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chromium / chromium / src / 2036c7d6d / . / content / renderer / render_view_impl.cc
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// Copyright (c) 2012 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "content/renderer/render_view_impl.h"
#include <algorithm>
#include <cmath>
#include "base/auto_reset.h"
#include "base/bind.h"
#include "base/bind_helpers.h"
#include "base/command_line.h"
#include "base/compiler_specific.h"
#include "base/debug/alias.h"
#include "base/files/file_path.h"
#include "base/i18n/rtl.h"
#include "base/json/json_writer.h"
#include "base/lazy_instance.h"
#include "base/memory/scoped_ptr.h"
#include "base/metrics/field_trial.h"
#include "base/metrics/histogram.h"
#include "base/process/kill.h"
#include "base/process/process.h"
#include "base/strings/string_number_conversions.h"
#include "base/strings/string_piece.h"
#include "base/strings/string_split.h"
#include "base/strings/string_util.h"
#include "base/strings/sys_string_conversions.h"
#include "base/strings/utf_string_conversions.h"
#include "base/time/time.h"
#include "base/trace_event/trace_event.h"
#include "content/child/appcache/appcache_dispatcher.h"
#include "content/child/appcache/web_application_cache_host_impl.h"
#include "content/child/child_shared_bitmap_manager.h"
#include "content/child/npapi/webplugin_delegate_impl.h"
#include "content/child/request_extra_data.h"
#include "content/child/v8_value_converter_impl.h"
#include "content/child/webmessageportchannel_impl.h"
#include "content/common/content_constants_internal.h"
#include "content/common/content_switches_internal.h"
#include "content/common/database_messages.h"
#include "content/common/dom_storage/dom_storage_types.h"
#include "content/common/drag_messages.h"
#include "content/common/frame_messages.h"
#include "content/common/frame_replication_state.h"
#include "content/common/gpu/client/webgraphicscontext3d_command_buffer_impl.h"
#include "content/common/input_messages.h"
#include "content/common/pepper_messages.h"
#include "content/common/site_isolation_policy.h"
#include "content/common/ssl_status_serialization.h"
#include "content/common/view_messages.h"
#include "content/public/common/bindings_policy.h"
#include "content/public/common/content_client.h"
#include "content/public/common/content_constants.h"
#include "content/public/common/content_switches.h"
#include "content/public/common/drop_data.h"
#include "content/public/common/favicon_url.h"
#include "content/public/common/file_chooser_file_info.h"
#include "content/public/common/file_chooser_params.h"
#include "content/public/common/page_importance_signals.h"
#include "content/public/common/page_state.h"
#include "content/public/common/page_zoom.h"
#include "content/public/common/ssl_status.h"
#include "content/public/common/three_d_api_types.h"
#include "content/public/common/url_constants.h"
#include "content/public/common/url_utils.h"
#include "content/public/common/web_preferences.h"
#include "content/public/renderer/content_renderer_client.h"
#include "content/public/renderer/document_state.h"
#include "content/public/renderer/navigation_state.h"
#include "content/public/renderer/render_view_observer.h"
#include "content/public/renderer/render_view_visitor.h"
#include "content/renderer/browser_plugin/browser_plugin.h"
#include "content/renderer/browser_plugin/browser_plugin_manager.h"
#include "content/renderer/disambiguation_popup_helper.h"
#include "content/renderer/dom_storage/webstoragenamespace_impl.h"
#include "content/renderer/drop_data_builder.h"
#include "content/renderer/gpu/render_widget_compositor.h"
#include "content/renderer/history_controller.h"
#include "content/renderer/history_serialization.h"
#include "content/renderer/idle_user_detector.h"
#include "content/renderer/ime_event_guard.h"
#include "content/renderer/input/input_handler_manager.h"
#include "content/renderer/internal_document_state_data.h"
#include "content/renderer/media/audio_device_factory.h"
#include "content/renderer/media/video_capture_impl_manager.h"
#include "content/renderer/mhtml_generator.h"
#include "content/renderer/mojo_bindings_controller.h"
#include "content/renderer/navigation_state_impl.h"
#include "content/renderer/render_frame_impl.h"
#include "content/renderer/render_frame_proxy.h"
#include "content/renderer/render_process.h"
#include "content/renderer/render_thread_impl.h"
#include "content/renderer/render_view_mouse_lock_dispatcher.h"
#include "content/renderer/render_widget_fullscreen_pepper.h"
#include "content/renderer/renderer_webapplicationcachehost_impl.h"
#include "content/renderer/resizing_mode_selector.h"
#include "content/renderer/savable_resources.h"
#include "content/renderer/speech_recognition_dispatcher.h"
#include "content/renderer/text_input_client_observer.h"
#include "content/renderer/web_ui_extension_data.h"
#include "content/renderer/websharedworker_proxy.h"
#include "media/audio/audio_output_device.h"
#include "media/base/media_switches.h"
#include "media/renderers/audio_renderer_impl.h"
#include "media/renderers/gpu_video_accelerator_factories.h"
#include "net/base/data_url.h"
#include "net/base/escape.h"
#include "net/base/net_errors.h"
#include "net/base/registry_controlled_domains/registry_controlled_domain.h"
#include "net/http/http_util.h"
#include "skia/ext/platform_canvas.h"
#include "third_party/WebKit/public/platform/WebCString.h"
#include "third_party/WebKit/public/platform/WebConnectionType.h"
#include "third_party/WebKit/public/platform/WebDragData.h"
#include "third_party/WebKit/public/platform/WebHTTPBody.h"
#include "third_party/WebKit/public/platform/WebImage.h"
#include "third_party/WebKit/public/platform/WebMessagePortChannel.h"
#include "third_party/WebKit/public/platform/WebPoint.h"
#include "third_party/WebKit/public/platform/WebRect.h"
#include "third_party/WebKit/public/platform/WebSize.h"
#include "third_party/WebKit/public/platform/WebStorageQuotaCallbacks.h"
#include "third_party/WebKit/public/platform/WebString.h"
#include "third_party/WebKit/public/platform/WebURL.h"
#include "third_party/WebKit/public/platform/WebURLError.h"
#include "third_party/WebKit/public/platform/WebURLRequest.h"
#include "third_party/WebKit/public/platform/WebURLResponse.h"
#include "third_party/WebKit/public/platform/WebVector.h"
#include "third_party/WebKit/public/web/WebAXObject.h"
#include "third_party/WebKit/public/web/WebColorSuggestion.h"
#include "third_party/WebKit/public/web/WebDOMEvent.h"
#include "third_party/WebKit/public/web/WebDOMMessageEvent.h"
#include "third_party/WebKit/public/web/WebDataSource.h"
#include "third_party/WebKit/public/web/WebDateTimeChooserCompletion.h"
#include "third_party/WebKit/public/web/WebDateTimeChooserParams.h"
#include "third_party/WebKit/public/web/WebDocument.h"
#include "third_party/WebKit/public/web/WebElement.h"
#include "third_party/WebKit/public/web/WebFileChooserParams.h"
#include "third_party/WebKit/public/web/WebFindOptions.h"
#include "third_party/WebKit/public/web/WebFormControlElement.h"
#include "third_party/WebKit/public/web/WebFormElement.h"
#include "third_party/WebKit/public/web/WebFrame.h"
#include "third_party/WebKit/public/web/WebHistoryItem.h"
#include "third_party/WebKit/public/web/WebHitTestResult.h"
#include "third_party/WebKit/public/web/WebInputElement.h"
#include "third_party/WebKit/public/web/WebInputEvent.h"
#include "third_party/WebKit/public/web/WebLocalFrame.h"
#include "third_party/WebKit/public/web/WebMediaPlayerAction.h"
#include "third_party/WebKit/public/web/WebNavigationPolicy.h"
#include "third_party/WebKit/public/web/WebPageImportanceSignals.h"
#include "third_party/WebKit/public/web/WebPlugin.h"
#include "third_party/WebKit/public/web/WebPluginAction.h"
#include "third_party/WebKit/public/web/WebPluginContainer.h"
#include "third_party/WebKit/public/web/WebPluginDocument.h"
#include "third_party/WebKit/public/web/WebRange.h"
#include "third_party/WebKit/public/web/WebRuntimeFeatures.h"
#include "third_party/WebKit/public/web/WebScriptSource.h"
#include "third_party/WebKit/public/web/WebSearchableFormData.h"
#include "third_party/WebKit/public/web/WebSecurityOrigin.h"
#include "third_party/WebKit/public/web/WebSecurityPolicy.h"
#include "third_party/WebKit/public/web/WebSettings.h"
#include "third_party/WebKit/public/web/WebUserGestureIndicator.h"
#include "third_party/WebKit/public/web/WebView.h"
#include "third_party/WebKit/public/web/WebWindowFeatures.h"
#include "third_party/WebKit/public/web/default/WebRenderTheme.h"
#include "third_party/icu/source/common/unicode/uchar.h"
#include "third_party/icu/source/common/unicode/uscript.h"
#include "ui/base/clipboard/clipboard.h"
#include "ui/base/ui_base_switches_util.h"
#include "ui/events/latency_info.h"
#include "ui/gfx/geometry/point.h"
#include "ui/gfx/geometry/rect.h"
#include "ui/gfx/geometry/rect_conversions.h"
#include "ui/gfx/geometry/size_conversions.h"
#include "ui/gfx/native_widget_types.h"
#include "v8/include/v8.h"
#if defined(OS_ANDROID)
#include <cpu-features.h>
#include "content/renderer/android/address_detector.h"
#include "content/renderer/android/content_detector.h"
#include "content/renderer/android/email_detector.h"
#include "content/renderer/android/phone_number_detector.h"
#include "third_party/WebKit/public/platform/WebFloatPoint.h"
#include "third_party/WebKit/public/platform/WebFloatRect.h"
#include "ui/gfx/geometry/rect_f.h"
#elif defined(OS_WIN)
// TODO(port): these files are currently Windows only because they concern:
// * theming
#include "ui/native_theme/native_theme_win.h"
#elif defined(USE_X11)
#include "ui/native_theme/native_theme.h"
#elif defined(OS_MACOSX)
#include "skia/ext/skia_utils_mac.h"
#endif
#if defined(ENABLE_PLUGINS)
#include "content/renderer/npapi/webplugin_delegate_proxy.h"
#include "content/renderer/pepper/pepper_plugin_instance_impl.h"
#include "content/renderer/pepper/pepper_plugin_registry.h"
#endif
#if defined(ENABLE_WEBRTC)
#include "content/renderer/media/rtc_peer_connection_handler.h"
#include "content/renderer/media/webrtc/peer_connection_dependency_factory.h"
#endif
using blink::WebAXObject;
using blink::WebApplicationCacheHost;
using blink::WebApplicationCacheHostClient;
using blink::WebCString;
using blink::WebColor;
using blink::WebConsoleMessage;
using blink::WebData;
using blink::WebDataSource;
using blink::WebDocument;
using blink::WebDragData;
using blink::WebDragOperation;
using blink::WebDragOperationsMask;
using blink::WebElement;
using blink::WebFileChooserCompletion;
using blink::WebFindOptions;
using blink::WebFormControlElement;
using blink::WebFormElement;
using blink::WebFrame;
using blink::WebGestureEvent;
using blink::WebHistoryItem;
using blink::WebHTTPBody;
using blink::WebIconURL;
using blink::WebImage;
using blink::WebInputElement;
using blink::WebInputEvent;
using blink::WebLocalFrame;
using blink::WebMediaPlayerAction;
using blink::WebMouseEvent;
using blink::WebNavigationPolicy;
using blink::WebNavigationType;
using blink::WebNode;
using blink::WebPeerConnection00Handler;
using blink::WebPeerConnection00HandlerClient;
using blink::WebPeerConnectionHandler;
using blink::WebPeerConnectionHandlerClient;
using blink::WebPluginAction;
using blink::WebPluginContainer;
using blink::WebPluginDocument;
using blink::WebPoint;
using blink::WebRange;
using blink::WebRect;
using blink::WebReferrerPolicy;
using blink::WebScriptSource;
using blink::WebSearchableFormData;
using blink::WebSecurityOrigin;
using blink::WebSecurityPolicy;
using blink::WebSettings;
using blink::WebSize;
using blink::WebStorageNamespace;
using blink::WebStorageQuotaCallbacks;
using blink::WebStorageQuotaError;
using blink::WebStorageQuotaType;
using blink::WebString;
using blink::WebTextDirection;
using blink::WebTouchEvent;
using blink::WebURL;
using blink::WebURLError;
using blink::WebURLRequest;
using blink::WebURLResponse;
using blink::WebUserGestureIndicator;
using blink::WebVector;
using blink::WebView;
using blink::WebWidget;
using blink::WebWindowFeatures;
using blink::WebRuntimeFeatures;
using base::Time;
using base::TimeDelta;
#if defined(OS_ANDROID)
using blink::WebContentDetectionResult;
using blink::WebFloatPoint;
using blink::WebFloatRect;
using blink::WebHitTestResult;
#endif
namespace content {
//-----------------------------------------------------------------------------
typedef std::map<blink::WebView*, RenderViewImpl*> ViewMap;
static base::LazyInstance<ViewMap> g_view_map = LAZY_INSTANCE_INITIALIZER;
typedef std::map<int32, RenderViewImpl*> RoutingIDViewMap;
static base::LazyInstance<RoutingIDViewMap> g_routing_id_view_map =
LAZY_INSTANCE_INITIALIZER;
// Time, in seconds, we delay before sending content state changes (such as form
// state and scroll position) to the browser. We delay sending changes to avoid
// spamming the browser.
// To avoid having tab/session restore require sending a message to get the
// current content state during tab closing we use a shorter timeout for the
// foreground renderer. This means there is a small window of time from which
// content state is modified and not sent to session restore, but this is
// better than having to wake up all renderers during shutdown.
const int kDelaySecondsForContentStateSyncHidden = 5;
const int kDelaySecondsForContentStateSync = 1;
#if defined(OS_ANDROID)
// Delay between tapping in content and launching the associated android intent.
// Used to allow users see what has been recognized as content.
const size_t kContentIntentDelayMilliseconds = 700;
#endif
static RenderViewImpl* (*g_create_render_view_impl)(
CompositorDependencies* compositor_deps,
const ViewMsg_New_Params&) = nullptr;
// static
Referrer RenderViewImpl::GetReferrerFromRequest(
WebFrame* frame,
const WebURLRequest& request) {
return Referrer(GURL(request.httpHeaderField(WebString::fromUTF8("Referer"))),
request.referrerPolicy());
}
// static
WindowOpenDisposition RenderViewImpl::NavigationPolicyToDisposition(
WebNavigationPolicy policy) {
switch (policy) {
case blink::WebNavigationPolicyIgnore:
return IGNORE_ACTION;
case blink::WebNavigationPolicyDownload:
return SAVE_TO_DISK;
case blink::WebNavigationPolicyCurrentTab:
return CURRENT_TAB;
case blink::WebNavigationPolicyNewBackgroundTab:
return NEW_BACKGROUND_TAB;
case blink::WebNavigationPolicyNewForegroundTab:
return NEW_FOREGROUND_TAB;
case blink::WebNavigationPolicyNewWindow:
return NEW_WINDOW;
case blink::WebNavigationPolicyNewPopup:
return NEW_POPUP;
default:
NOTREACHED() << "Unexpected WebNavigationPolicy";
return IGNORE_ACTION;
}
}
// Returns true if the device scale is high enough that losing subpixel
// antialiasing won't have a noticeable effect on text quality.
static bool DeviceScaleEnsuresTextQuality(float device_scale_factor) {
#if defined(OS_ANDROID)
// On Android, we never have subpixel antialiasing.
return true;
#else
// 1.5 is a common touchscreen tablet device scale factor. For such
// devices main thread antialiasing is a heavy burden.
return device_scale_factor >= 1.5f;
#endif
}
static bool PreferCompositingToLCDText(CompositorDependencies* compositor_deps,
float device_scale_factor) {
const base::CommandLine& command_line =
*base::CommandLine::ForCurrentProcess();
if (command_line.HasSwitch(switches::kDisablePreferCompositingToLCDText))
return false;
if (command_line.HasSwitch(switches::kEnablePreferCompositingToLCDText))
return true;
if (!compositor_deps->IsLcdTextEnabled())
return true;
return DeviceScaleEnsuresTextQuality(device_scale_factor);
}
static FaviconURL::IconType ToFaviconType(blink::WebIconURL::Type type) {
switch (type) {
case blink::WebIconURL::TypeFavicon:
return FaviconURL::FAVICON;
case blink::WebIconURL::TypeTouch:
return FaviconURL::TOUCH_ICON;
case blink::WebIconURL::TypeTouchPrecomposed:
return FaviconURL::TOUCH_PRECOMPOSED_ICON;
case blink::WebIconURL::TypeInvalid:
return FaviconURL::INVALID_ICON;
}
return FaviconURL::INVALID_ICON;
}
static void ConvertToFaviconSizes(
const blink::WebVector<blink::WebSize>& web_sizes,
std::vector<gfx::Size>* sizes) {
DCHECK(sizes->empty());
sizes->reserve(web_sizes.size());
for (size_t i = 0; i < web_sizes.size(); ++i)
sizes->push_back(gfx::Size(web_sizes[i]));
}
///////////////////////////////////////////////////////////////////////////////
struct RenderViewImpl::PendingFileChooser {
PendingFileChooser(const FileChooserParams& p, WebFileChooserCompletion* c)
: params(p),
completion(c) {
}
FileChooserParams params;
WebFileChooserCompletion* completion; // MAY BE NULL to skip callback.
};
namespace {
class WebWidgetLockTarget : public MouseLockDispatcher::LockTarget {
public:
explicit WebWidgetLockTarget(blink::WebWidget* webwidget)
: webwidget_(webwidget) {}
void OnLockMouseACK(bool succeeded) override {
if (succeeded)
webwidget_->didAcquirePointerLock();
else
webwidget_->didNotAcquirePointerLock();
}
void OnMouseLockLost() override { webwidget_->didLosePointerLock(); }
bool HandleMouseLockedInputEvent(const blink::WebMouseEvent& event) override {
// The WebWidget handles mouse lock in WebKit's handleInputEvent().
return false;
}
private:
blink::WebWidget* webwidget_;
};
WebDragData DropDataToWebDragData(const DropData& drop_data) {
std::vector<WebDragData::Item> item_list;
// These fields are currently unused when dragging into WebKit.
DCHECK(drop_data.download_metadata.empty());
DCHECK(drop_data.file_contents.empty());
DCHECK(drop_data.file_description_filename.empty());
if (!drop_data.text.is_null()) {
WebDragData::Item item;
item.storageType = WebDragData::Item::StorageTypeString;
item.stringType = WebString::fromUTF8(ui::Clipboard::kMimeTypeText);
item.stringData = drop_data.text.string();
item_list.push_back(item);
}
// TODO(dcheng): Do we need to distinguish between null and empty URLs? Is it
// meaningful to write an empty URL to the clipboard?
if (!drop_data.url.is_empty()) {
WebDragData::Item item;
item.storageType = WebDragData::Item::StorageTypeString;
item.stringType = WebString::fromUTF8(ui::Clipboard::kMimeTypeURIList);
item.stringData = WebString::fromUTF8(drop_data.url.spec());
item.title = drop_data.url_title;
item_list.push_back(item);
}
if (!drop_data.html.is_null()) {
WebDragData::Item item;
item.storageType = WebDragData::Item::StorageTypeString;
item.stringType = WebString::fromUTF8(ui::Clipboard::kMimeTypeHTML);
item.stringData = drop_data.html.string();
item.baseURL = drop_data.html_base_url;
item_list.push_back(item);
}
for (std::vector<ui::FileInfo>::const_iterator it =
drop_data.filenames.begin();
it != drop_data.filenames.end();
++it) {
WebDragData::Item item;
item.storageType = WebDragData::Item::StorageTypeFilename;
item.filenameData = it->path.AsUTF16Unsafe();
item.displayNameData = it->display_name.AsUTF16Unsafe();
item_list.push_back(item);
}
for (std::vector<DropData::FileSystemFileInfo>::const_iterator it =
drop_data.file_system_files.begin();
it != drop_data.file_system_files.end();
++it) {
WebDragData::Item item;
item.storageType = WebDragData::Item::StorageTypeFileSystemFile;
item.fileSystemURL = it->url;
item.fileSystemFileSize = it->size;
item_list.push_back(item);
}
for (std::map<base::string16, base::string16>::const_iterator it =
drop_data.custom_data.begin();
it != drop_data.custom_data.end();
++it) {
WebDragData::Item item;
item.storageType = WebDragData::Item::StorageTypeString;
item.stringType = it->first;
item.stringData = it->second;
item_list.push_back(item);
}
WebDragData result;
result.initialize();
result.setItems(item_list);
result.setFilesystemId(drop_data.filesystem_id);
return result;
}
typedef void (*SetFontFamilyWrapper)(blink::WebSettings*,
const base::string16&,
UScriptCode);
void SetStandardFontFamilyWrapper(WebSettings* settings,
const base::string16& font,
UScriptCode script) {
settings->setStandardFontFamily(font, script);
}
void SetFixedFontFamilyWrapper(WebSettings* settings,
const base::string16& font,
UScriptCode script) {
settings->setFixedFontFamily(font, script);
}
void SetSerifFontFamilyWrapper(WebSettings* settings,
const base::string16& font,
UScriptCode script) {
settings->setSerifFontFamily(font, script);
}
void SetSansSerifFontFamilyWrapper(WebSettings* settings,
const base::string16& font,
UScriptCode script) {
settings->setSansSerifFontFamily(font, script);
}
void SetCursiveFontFamilyWrapper(WebSettings* settings,
const base::string16& font,
UScriptCode script) {
settings->setCursiveFontFamily(font, script);
}
void SetFantasyFontFamilyWrapper(WebSettings* settings,
const base::string16& font,
UScriptCode script) {
settings->setFantasyFontFamily(font, script);
}
void SetPictographFontFamilyWrapper(WebSettings* settings,
const base::string16& font,
UScriptCode script) {
settings->setPictographFontFamily(font, script);
}
// If |scriptCode| is a member of a family of "similar" script codes, returns
// the script code in that family that is used by WebKit for font selection
// purposes. For example, USCRIPT_KATAKANA_OR_HIRAGANA and USCRIPT_JAPANESE are
// considered equivalent for the purposes of font selection. WebKit uses the
// script code USCRIPT_KATAKANA_OR_HIRAGANA. So, if |scriptCode| is
// USCRIPT_JAPANESE, the function returns USCRIPT_KATAKANA_OR_HIRAGANA. WebKit
// uses different scripts than the ones in Chrome pref names because the version
// of ICU included on certain ports does not have some of the newer scripts. If
// |scriptCode| is not a member of such a family, returns |scriptCode|.
UScriptCode GetScriptForWebSettings(UScriptCode scriptCode) {
switch (scriptCode) {
case USCRIPT_HIRAGANA:
case USCRIPT_KATAKANA:
case USCRIPT_JAPANESE:
return USCRIPT_KATAKANA_OR_HIRAGANA;
case USCRIPT_KOREAN:
return USCRIPT_HANGUL;
default:
return scriptCode;
}
}
void ApplyFontsFromMap(const ScriptFontFamilyMap& map,
SetFontFamilyWrapper setter,
WebSettings* settings) {
for (ScriptFontFamilyMap::const_iterator it = map.begin(); it != map.end();
++it) {
int32 script = u_getPropertyValueEnum(UCHAR_SCRIPT, (it->first).c_str());
if (script >= 0 && script < USCRIPT_CODE_LIMIT) {
UScriptCode code = static_cast<UScriptCode>(script);
(*setter)(settings, it->second, GetScriptForWebSettings(code));
}
}
}
void ApplyBlinkSettings(const base::CommandLine& command_line,
WebSettings* settings) {
if (!command_line.HasSwitch(switches::kBlinkSettings))
return;
std::vector<std::string> blink_settings = base::SplitString(
command_line.GetSwitchValueASCII(switches::kBlinkSettings),
",", base::TRIM_WHITESPACE, base::SPLIT_WANT_ALL);
for (const std::string& setting : blink_settings) {
size_t pos = setting.find('=');
settings->setFromStrings(
blink::WebString::fromLatin1(setting.substr(0, pos)),
blink::WebString::fromLatin1(
pos == std::string::npos ? "" : setting.substr(pos + 1)));
}
}
} // namespace
RenderViewImpl::RenderViewImpl(CompositorDependencies* compositor_deps,
const ViewMsg_New_Params& params)
: RenderWidget(compositor_deps,
blink::WebPopupTypeNone,
params.initial_size.screen_info,
params.swapped_out,
params.hidden,
params.never_visible),
webkit_preferences_(params.web_preferences),
send_content_state_immediately_(false),
enabled_bindings_(0),
send_preferred_size_changes_(false),
navigation_gesture_(NavigationGestureUnknown),
opened_by_user_gesture_(true),
opener_suppressed_(false),
suppress_dialogs_until_swap_out_(false),
page_id_(-1),
next_page_id_(params.next_page_id),
history_list_offset_(-1),
history_list_length_(0),
frames_in_progress_(0),
target_url_status_(TARGET_NONE),
uses_temporary_zoom_level_(false),
#if defined(OS_ANDROID)
top_controls_constraints_(TOP_CONTROLS_STATE_BOTH),
#endif
has_focus_(false),
has_scrolled_focused_editable_node_into_rect_(false),
main_render_frame_(nullptr),
frame_widget_(nullptr),
speech_recognition_dispatcher_(NULL),
mouse_lock_dispatcher_(NULL),
#if defined(OS_ANDROID)
expected_content_intent_id_(0),
#endif
#if defined(OS_WIN)
focused_plugin_id_(-1),
#endif
#if defined(ENABLE_PLUGINS)
plugin_find_handler_(NULL),
focused_pepper_plugin_(NULL),
pepper_last_mouse_event_target_(NULL),
#endif
enumeration_completion_id_(0),
session_storage_namespace_id_(params.session_storage_namespace_id) {
}
void RenderViewImpl::Initialize(const ViewMsg_New_Params& params,
bool was_created_by_renderer) {
routing_id_ = params.view_id;
int opener_view_routing_id;
WebFrame* opener_frame = RenderFrameImpl::ResolveOpener(
params.opener_frame_route_id, &opener_view_routing_id);
if (opener_view_routing_id != MSG_ROUTING_NONE && was_created_by_renderer)
opener_id_ = opener_view_routing_id;
display_mode_ = params.initial_size.display_mode;
// Ensure we start with a valid next_page_id_ from the browser.
DCHECK_GE(next_page_id_, 0);
webwidget_ = WebView::create(this);
webwidget_mouse_lock_target_.reset(new WebWidgetLockTarget(webwidget_));
g_view_map.Get().insert(std::make_pair(webview(), this));
g_routing_id_view_map.Get().insert(std::make_pair(routing_id_, this));
const base::CommandLine& command_line =
*base::CommandLine::ForCurrentProcess();
if (command_line.HasSwitch(switches::kStatsCollectionController))
stats_collection_observer_.reset(new StatsCollectionObserver(this));
if (params.main_frame_routing_id != MSG_ROUTING_NONE) {
main_render_frame_ = RenderFrameImpl::CreateMainFrame(
this, params.main_frame_routing_id, params.main_frame_widget_routing_id,
params.hidden, screen_info(), compositor_deps_);
}
if (params.proxy_routing_id != MSG_ROUTING_NONE) {
CHECK(params.swapped_out);
if (main_render_frame_) {
DCHECK(!SiteIsolationPolicy::IsSwappedOutStateForbidden());
RenderFrameProxy* proxy = RenderFrameProxy::CreateProxyToReplaceFrame(
main_render_frame_, params.proxy_routing_id,
blink::WebTreeScopeType::Document);
main_render_frame_->set_render_frame_proxy(proxy);
} else {
DCHECK(SiteIsolationPolicy::IsSwappedOutStateForbidden());
// Pass MSG_ROUTING_NONE for opener, since actual opener (if any) will be
// set separately below.
RenderFrameProxy::CreateFrameProxy(params.proxy_routing_id, routing_id_,
MSG_ROUTING_NONE, MSG_ROUTING_NONE,
params.replicated_frame_state);
}
}
if (main_render_frame_)
main_render_frame_->Initialize();
#if defined(OS_ANDROID)
content_detectors_.push_back(make_scoped_ptr(new AddressDetector()));
const std::string& contry_iso =
params.renderer_preferences.network_contry_iso;
if (!contry_iso.empty()) {
content_detectors_.push_back(
make_scoped_ptr(new PhoneNumberDetector(contry_iso)));
}
content_detectors_.push_back(make_scoped_ptr(new EmailDetector()));
#endif
RenderThread::Get()->AddRoute(routing_id_, this);
// Take a reference on behalf of the RenderThread. This will be balanced
// when we receive ViewMsg_Close in the RenderWidget (which RenderView
// inherits from).
AddRef();
if (RenderThreadImpl::current()) {
RenderThreadImpl::current()->WidgetCreated();
if (is_hidden_)
RenderThreadImpl::current()->WidgetHidden();
}
// If this is a popup, we must wait for the CreatingNew_ACK message before
// completing initialization. Otherwise, we can finish it now.
if (opener_id_ == MSG_ROUTING_NONE)
did_show_ = true;
UpdateDeviceScaleFactor();
webview()->setDisplayMode(display_mode_);
webview()->settings()->setPreferCompositingToLCDTextEnabled(
PreferCompositingToLCDText(compositor_deps_, device_scale_factor_));
webview()->settings()->setThreadedScrollingEnabled(
!command_line.HasSwitch(switches::kDisableThreadedScrolling));
webview()->settings()->setRootLayerScrolls(
command_line.HasSwitch(switches::kRootLayerScrolls));
ApplyWebPreferencesInternal(webkit_preferences_, webview(), compositor_deps_);
if (switches::IsTouchDragDropEnabled())
webview()->settings()->setTouchDragDropEnabled(true);
WebSettings::SelectionStrategyType selection_strategy =
WebSettings::SelectionStrategyType::Character;
const std::string selection_strategy_str =
base::CommandLine::ForCurrentProcess()->GetSwitchValueASCII(
switches::kTouchTextSelectionStrategy);
if (selection_strategy_str == "direction")
selection_strategy = WebSettings::SelectionStrategyType::Direction;
webview()->settings()->setSelectionStrategy(selection_strategy);
// Set the main frame's name. Only needs to be done for WebLocalFrames,
// since the remote case was handled as part of SetReplicatedState on the
// proxy above.
if (!params.replicated_frame_state.name.empty() &&
webview()->mainFrame()->isWebLocalFrame()) {
webview()->mainFrame()->setName(
blink::WebString::fromUTF8(params.replicated_frame_state.name));
}
// TODO(davidben): Move this state from Blink into content.
if (params.window_was_created_with_opener)
webview()->setOpenedByDOM();
OnSetRendererPrefs(params.renderer_preferences);
ApplyBlinkSettings(command_line, webview()->settings());
if (!params.enable_auto_resize) {
OnResize(params.initial_size);
} else {
OnEnableAutoResize(params.min_size, params.max_size);
}
new MHTMLGenerator(this);
#if defined(OS_MACOSX)
new TextInputClientObserver(this);
#endif // defined(OS_MACOSX)
// The next group of objects all implement RenderViewObserver, so are deleted
// along with the RenderView automatically.
mouse_lock_dispatcher_ = new RenderViewMouseLockDispatcher(this);
// We don't use HistoryController in OOPIF-enabled modes.
if (!SiteIsolationPolicy::UseSubframeNavigationEntries())
history_controller_.reset(new HistoryController(this));
new IdleUserDetector(this);
if (command_line.HasSwitch(switches::kDomAutomationController))
enabled_bindings_ |= BINDINGS_POLICY_DOM_AUTOMATION;
if (command_line.HasSwitch(switches::kStatsCollectionController))
enabled_bindings_ |= BINDINGS_POLICY_STATS_COLLECTION;
GetContentClient()->renderer()->RenderViewCreated(this);
// If we have an opener_frame but we weren't created by a renderer, then it's
// the browser asking us to set our opener to another frame.
if (opener_frame && !was_created_by_renderer)
webview()->mainFrame()->setOpener(opener_frame);
// If we are initially swapped out, navigate to kSwappedOutURL.
// This ensures we are in a unique origin that others cannot script.
if (is_swapped_out_ && webview()->mainFrame()->isWebLocalFrame())
main_render_frame_->NavigateToSwappedOutURL();
}
RenderViewImpl::~RenderViewImpl() {
DCHECK(!frame_widget_);
for (BitmapMap::iterator it = disambiguation_bitmaps_.begin();
it != disambiguation_bitmaps_.end();
++it)
delete it->second;
// If file chooser is still waiting for answer, dispatch empty answer.
while (!file_chooser_completions_.empty()) {
if (file_chooser_completions_.front()->completion) {
file_chooser_completions_.front()->completion->didChooseFile(
WebVector<WebString>());
}
file_chooser_completions_.pop_front();
}
#if defined(OS_ANDROID)
// The date/time picker client is both a scoped_ptr member of this class and
// a RenderViewObserver. Reset it to prevent double deletion.
date_time_picker_client_.reset();
#endif
#ifndef NDEBUG
// Make sure we are no longer referenced by the ViewMap or RoutingIDViewMap.
ViewMap* views = g_view_map.Pointer();
for (ViewMap::iterator it = views->begin(); it != views->end(); ++it)
DCHECK_NE(this, it->second) << "Failed to call Close?";
RoutingIDViewMap* routing_id_views = g_routing_id_view_map.Pointer();
for (RoutingIDViewMap::iterator it = routing_id_views->begin();
it != routing_id_views->end(); ++it)
DCHECK_NE(this, it->second) << "Failed to call Close?";
#endif
FOR_EACH_OBSERVER(RenderViewObserver, observers_, RenderViewGone());
FOR_EACH_OBSERVER(RenderViewObserver, observers_, OnDestruct());
}
/*static*/
RenderViewImpl* RenderViewImpl::FromWebView(WebView* webview) {
ViewMap* views = g_view_map.Pointer();
ViewMap::iterator it = views->find(webview);
return it == views->end() ? NULL : it->second;
}
/*static*/
RenderView* RenderView::FromWebView(blink::WebView* webview) {
return RenderViewImpl::FromWebView(webview);
}
/*static*/
RenderViewImpl* RenderViewImpl::FromRoutingID(int32 routing_id) {
RoutingIDViewMap* views = g_routing_id_view_map.Pointer();
RoutingIDViewMap::iterator it = views->find(routing_id);
return it == views->end() ? NULL : it->second;
}
/*static*/
RenderView* RenderView::FromRoutingID(int routing_id) {
return RenderViewImpl::FromRoutingID(routing_id);
}
/* static */
size_t RenderView::GetRenderViewCount() {
return g_view_map.Get().size();
}
/*static*/
void RenderView::ForEach(RenderViewVisitor* visitor) {
ViewMap* views = g_view_map.Pointer();
for (ViewMap::iterator it = views->begin(); it != views->end(); ++it) {
if (!visitor->Visit(it->second))
return;
}
}
/*static*/
void RenderView::ApplyWebPreferences(const WebPreferences& prefs,
WebView* web_view) {
WebSettings* settings = web_view->settings();
ApplyFontsFromMap(prefs.standard_font_family_map,
SetStandardFontFamilyWrapper, settings);
ApplyFontsFromMap(prefs.fixed_font_family_map,
SetFixedFontFamilyWrapper, settings);
ApplyFontsFromMap(prefs.serif_font_family_map,
SetSerifFontFamilyWrapper, settings);
ApplyFontsFromMap(prefs.sans_serif_font_family_map,
SetSansSerifFontFamilyWrapper, settings);
ApplyFontsFromMap(prefs.cursive_font_family_map,
SetCursiveFontFamilyWrapper, settings);
ApplyFontsFromMap(prefs.fantasy_font_family_map,
SetFantasyFontFamilyWrapper, settings);
ApplyFontsFromMap(prefs.pictograph_font_family_map,
SetPictographFontFamilyWrapper, settings);
settings->setDefaultFontSize(prefs.default_font_size);
settings->setDefaultFixedFontSize(prefs.default_fixed_font_size);
settings->setMinimumFontSize(prefs.minimum_font_size);
settings->setMinimumLogicalFontSize(prefs.minimum_logical_font_size);
settings->setDefaultTextEncodingName(
base::ASCIIToUTF16(prefs.default_encoding));
settings->setJavaScriptEnabled(prefs.javascript_enabled);
settings->setWebSecurityEnabled(prefs.web_security_enabled);
settings->setJavaScriptCanOpenWindowsAutomatically(
prefs.javascript_can_open_windows_automatically);
settings->setLoadsImagesAutomatically(prefs.loads_images_automatically);
settings->setImagesEnabled(prefs.images_enabled);
settings->setPluginsEnabled(prefs.plugins_enabled);
settings->setDOMPasteAllowed(prefs.dom_paste_enabled);
settings->setUsesEncodingDetector(prefs.uses_universal_detector);
settings->setTextAreasAreResizable(prefs.text_areas_are_resizable);
settings->setAllowScriptsToCloseWindows(prefs.allow_scripts_to_close_windows);
settings->setDownloadableBinaryFontsEnabled(prefs.remote_fonts_enabled);
settings->setJavaScriptCanAccessClipboard(
prefs.javascript_can_access_clipboard);
WebRuntimeFeatures::enableXSLT(prefs.xslt_enabled);
WebRuntimeFeatures::enableSlimmingPaintV2(prefs.slimming_paint_v2_enabled);
settings->setXSSAuditorEnabled(prefs.xss_auditor_enabled);
settings->setDNSPrefetchingEnabled(prefs.dns_prefetching_enabled);
settings->setLocalStorageEnabled(prefs.local_storage_enabled);
settings->setSyncXHRInDocumentsEnabled(prefs.sync_xhr_in_documents_enabled);
WebRuntimeFeatures::enableDatabase(prefs.databases_enabled);
settings->setOfflineWebApplicationCacheEnabled(
prefs.application_cache_enabled);
settings->setCaretBrowsingEnabled(prefs.caret_browsing_enabled);
settings->setHyperlinkAuditingEnabled(prefs.hyperlink_auditing_enabled);
settings->setCookieEnabled(prefs.cookie_enabled);
settings->setNavigateOnDragDrop(prefs.navigate_on_drag_drop);
// By default, allow_universal_access_from_file_urls is set to false and thus
// we mitigate attacks from local HTML files by not granting file:// URLs
// universal access. Only test shell will enable this.
settings->setAllowUniversalAccessFromFileURLs(
prefs.allow_universal_access_from_file_urls);
settings->setAllowFileAccessFromFileURLs(
prefs.allow_file_access_from_file_urls);
// Enable the web audio API if requested on the command line.
settings->setWebAudioEnabled(prefs.webaudio_enabled);
// Enable experimental WebGL support if requested on command line
// and support is compiled in.
settings->setExperimentalWebGLEnabled(prefs.experimental_webgl_enabled);
// Disable GL multisampling if requested on command line.
settings->setOpenGLMultisamplingEnabled(prefs.gl_multisampling_enabled);
// Enable WebGL errors to the JS console if requested.
settings->setWebGLErrorsToConsoleEnabled(
prefs.webgl_errors_to_console_enabled);
// Uses the mock theme engine for scrollbars.
settings->setMockScrollbarsEnabled(prefs.mock_scrollbars_enabled);
// Enable gpu-accelerated 2d canvas if requested on the command line.
settings->setAccelerated2dCanvasEnabled(prefs.accelerated_2d_canvas_enabled);
settings->setMinimumAccelerated2dCanvasSize(
prefs.minimum_accelerated_2d_canvas_size);
// Disable antialiasing for 2d canvas if requested on the command line.
settings->setAntialiased2dCanvasEnabled(
!prefs.antialiased_2d_canvas_disabled);
// Enabled antialiasing of clips for 2d canvas if requested on the command
// line.
settings->setAntialiasedClips2dCanvasEnabled(
prefs.antialiased_clips_2d_canvas_enabled);
// Set MSAA sample count for 2d canvas if requested on the command line (or
// default value if not).
settings->setAccelerated2dCanvasMSAASampleCount(
prefs.accelerated_2d_canvas_msaa_sample_count);
settings->setUnifiedTextCheckerEnabled(prefs.unified_textchecker_enabled);
// Tabs to link is not part of the settings. WebCore calls
// ChromeClient::tabsToLinks which is part of the glue code.
web_view->setTabsToLinks(prefs.tabs_to_links);
settings->setAllowDisplayOfInsecureContent(
prefs.allow_displaying_insecure_content);
settings->setAllowRunningOfInsecureContent(
prefs.allow_running_insecure_content);
settings->setDisableReadingFromCanvas(prefs.disable_reading_from_canvas);
settings->setStrictMixedContentChecking(prefs.strict_mixed_content_checking);
settings->setStrictlyBlockBlockableMixedContent(
prefs.strictly_block_blockable_mixed_content);
settings->setStrictMixedContentCheckingForPlugin(
prefs.block_mixed_plugin_content);
settings->setStrictPowerfulFeatureRestrictions(
prefs.strict_powerful_feature_restrictions);
settings->setPasswordEchoEnabled(prefs.password_echo_enabled);
settings->setShouldPrintBackgrounds(prefs.should_print_backgrounds);
settings->setShouldClearDocumentBackground(
prefs.should_clear_document_background);
settings->setEnableScrollAnimator(prefs.enable_scroll_animator);
WebRuntimeFeatures::enableTouch(prefs.touch_enabled);
settings->setMaxTouchPoints(prefs.pointer_events_max_touch_points);
settings->setAvailablePointerTypes(prefs.available_pointer_types);
settings->setPrimaryPointerType(
static_cast<blink::PointerType>(prefs.primary_pointer_type));
settings->setAvailableHoverTypes(prefs.available_hover_types);
settings->setPrimaryHoverType(
static_cast<blink::HoverType>(prefs.primary_hover_type));
settings->setDeviceSupportsTouch(prefs.device_supports_touch);
settings->setDeviceSupportsMouse(prefs.device_supports_mouse);
settings->setEnableTouchAdjustment(prefs.touch_adjustment_enabled);
settings->setMultiTargetTapNotificationEnabled(
switches::IsLinkDisambiguationPopupEnabled());
WebRuntimeFeatures::enableImageColorProfiles(
prefs.image_color_profiles_enabled);
settings->setShouldRespectImageOrientation(
prefs.should_respect_image_orientation);
settings->setUnsafePluginPastingEnabled(false);
settings->setEditingBehavior(
static_cast<WebSettings::EditingBehavior>(prefs.editing_behavior));
settings->setSupportsMultipleWindows(prefs.supports_multiple_windows);
// TODO(bokan): Remove once Blink side is gone.
settings->setInvertViewportScrollOrder(true);
settings->setSmartInsertDeleteEnabled(prefs.smart_insert_delete_enabled);
settings->setSpatialNavigationEnabled(prefs.spatial_navigation_enabled);
settings->setSelectionIncludesAltImageText(true);
settings->setV8CacheOptions(
static_cast<WebSettings::V8CacheOptions>(prefs.v8_cache_options));
settings->setImageAnimationPolicy(
static_cast<WebSettings::ImageAnimationPolicy>(prefs.animation_policy));
// Needs to happen before setIgnoreVIewportTagScaleLimits below.
web_view->setDefaultPageScaleLimits(
prefs.default_minimum_page_scale_factor,
prefs.default_maximum_page_scale_factor);
#if defined(OS_ANDROID)
settings->setAllowCustomScrollbarInMainFrame(false);
settings->setTextAutosizingEnabled(prefs.text_autosizing_enabled);
settings->setAccessibilityFontScaleFactor(prefs.font_scale_factor);
settings->setDeviceScaleAdjustment(prefs.device_scale_adjustment);
settings->setFullscreenSupported(prefs.fullscreen_supported);
web_view->setIgnoreViewportTagScaleLimits(prefs.force_enable_zoom);
settings->setAutoZoomFocusedNodeToLegibleScale(true);
settings->setDoubleTapToZoomEnabled(prefs.double_tap_to_zoom_enabled);
settings->setMediaControlsOverlayPlayButtonEnabled(true);
settings->setMediaPlaybackRequiresUserGesture(
prefs.user_gesture_required_for_media_playback);
settings->setDefaultVideoPosterURL(
base::ASCIIToUTF16(prefs.default_video_poster_url.spec()));
settings->setSupportDeprecatedTargetDensityDPI(
prefs.support_deprecated_target_density_dpi);
settings->setUseLegacyBackgroundSizeShorthandBehavior(
prefs.use_legacy_background_size_shorthand_behavior);
settings->setWideViewportQuirkEnabled(prefs.wide_viewport_quirk);
settings->setUseWideViewport(prefs.use_wide_viewport);
settings->setForceZeroLayoutHeight(prefs.force_zero_layout_height);
settings->setViewportMetaLayoutSizeQuirk(
prefs.viewport_meta_layout_size_quirk);
settings->setViewportMetaMergeContentQuirk(
prefs.viewport_meta_merge_content_quirk);
settings->setViewportMetaNonUserScalableQuirk(
prefs.viewport_meta_non_user_scalable_quirk);
settings->setViewportMetaZeroValuesQuirk(
prefs.viewport_meta_zero_values_quirk);
settings->setClobberUserAgentInitialScaleQuirk(
prefs.clobber_user_agent_initial_scale_quirk);
settings->setIgnoreMainFrameOverflowHiddenQuirk(
prefs.ignore_main_frame_overflow_hidden_quirk);
settings->setReportScreenSizeInPhysicalPixelsQuirk(
prefs.report_screen_size_in_physical_pixels_quirk);
settings->setPreferHiddenVolumeControls(true);
settings->setMainFrameClipsContent(!prefs.record_whole_document);
settings->setShrinksViewportContentToFit(true);
settings->setUseMobileViewportStyle(true);
settings->setAutoplayExperimentMode(
blink::WebString::fromUTF8(prefs.autoplay_experiment_mode));
#endif
settings->setViewportEnabled(prefs.viewport_enabled);
settings->setLoadWithOverviewMode(prefs.initialize_at_minimum_page_scale);
settings->setViewportMetaEnabled(prefs.viewport_meta_enabled);
settings->setMainFrameResizesAreOrientationChanges(
prefs.main_frame_resizes_are_orientation_changes);
settings->setPinchOverlayScrollbarThickness(
prefs.pinch_overlay_scrollbar_thickness);
settings->setUseSolidColorScrollbars(prefs.use_solid_color_scrollbars);
settings->setShowContextMenuOnMouseUp(prefs.context_menu_on_mouse_up);
#if defined(OS_MACOSX)
settings->setDoubleTapToZoomEnabled(true);
web_view->setMaximumLegibleScale(prefs.default_maximum_page_scale_factor);
#endif
}
/*static*/
RenderViewImpl* RenderViewImpl::Create(CompositorDependencies* compositor_deps,
const ViewMsg_New_Params& params,
bool was_created_by_renderer) {
DCHECK(params.view_id != MSG_ROUTING_NONE);
RenderViewImpl* render_view = NULL;
if (g_create_render_view_impl)
render_view = g_create_render_view_impl(compositor_deps, params);
else
render_view = new RenderViewImpl(compositor_deps, params);
render_view->Initialize(params, was_created_by_renderer);
return render_view;
}
// static
void RenderViewImpl::InstallCreateHook(RenderViewImpl* (
*create_render_view_impl)(CompositorDependencies* compositor_deps,
const ViewMsg_New_Params&)) {
CHECK(!g_create_render_view_impl);
g_create_render_view_impl = create_render_view_impl;
}
void RenderViewImpl::AddObserver(RenderViewObserver* observer) {
observers_.AddObserver(observer);
}
void RenderViewImpl::RemoveObserver(RenderViewObserver* observer) {
observer->RenderViewGone();
observers_.RemoveObserver(observer);
}
blink::WebView* RenderViewImpl::webview() const {
return static_cast<blink::WebView*>(webwidget());
}
#if defined(ENABLE_PLUGINS)
void RenderViewImpl::PepperInstanceCreated(
PepperPluginInstanceImpl* instance) {
active_pepper_instances_.insert(instance);
RenderFrameImpl* const render_frame = instance->render_frame();
render_frame->Send(
new FrameHostMsg_PepperInstanceCreated(render_frame->GetRoutingID()));
}
void RenderViewImpl::PepperInstanceDeleted(
PepperPluginInstanceImpl* instance) {
active_pepper_instances_.erase(instance);
if (pepper_last_mouse_event_target_ == instance)
pepper_last_mouse_event_target_ = NULL;
if (focused_pepper_plugin_ == instance)
PepperFocusChanged(instance, false);
RenderFrameImpl* const render_frame = instance->render_frame();
if (render_frame)
render_frame->Send(
new FrameHostMsg_PepperInstanceDeleted(render_frame->GetRoutingID()));
}
void RenderViewImpl::PepperFocusChanged(PepperPluginInstanceImpl* instance,
bool focused) {
if (focused)
focused_pepper_plugin_ = instance;
else if (focused_pepper_plugin_ == instance)
focused_pepper_plugin_ = NULL;
UpdateTextInputState(NO_SHOW_IME, FROM_NON_IME);
UpdateSelectionBounds();
}
void RenderViewImpl::RegisterPluginDelegate(WebPluginDelegateProxy* delegate) {
plugin_delegates_.insert(delegate);
// If the renderer is visible, set initial visibility and focus state.
if (!is_hidden()) {
#if defined(OS_MACOSX)
delegate->SetContainerVisibility(true);
if (webview() && webview()->isActive())
delegate->SetWindowFocus(true);
#endif
}
// Plugins start assuming the content has focus (so that they work in
// environments where RenderView isn't hosting them), so we always have to
// set the initial state. See webplugin_delegate_impl.h for details.
delegate->SetContentAreaFocus(has_focus());
}
void RenderViewImpl::UnregisterPluginDelegate(
WebPluginDelegateProxy* delegate) {
plugin_delegates_.erase(delegate);
}
#if defined(OS_WIN)
void RenderViewImpl::PluginFocusChanged(bool focused, int plugin_id) {
if (focused)
focused_plugin_id_ = plugin_id;
else
focused_plugin_id_ = -1;
}
#endif
#if defined(OS_MACOSX)
void RenderViewImpl::PluginFocusChanged(bool focused, int plugin_id) {
Send(new ViewHostMsg_PluginFocusChanged(routing_id(), focused, plugin_id));
}
void RenderViewImpl::OnGetRenderedText() {
if (!webview())
return;
// Get rendered text from WebLocalFrame.
// TODO: Currently IPC truncates any data that has a
// size > kMaximumMessageSize. May be split the text into smaller chunks and
// send back using multiple IPC. See http://crbug.com/393444.
static const size_t kMaximumMessageSize = 8 * 1024 * 1024;
std::string text = webview()->mainFrame()->contentAsText(
kMaximumMessageSize).utf8();
Send(new ViewMsg_GetRenderedTextCompleted(routing_id(), text));
}
void RenderViewImpl::StartPluginIme() {
IPC::Message* msg = new ViewHostMsg_StartPluginIme(routing_id());
// This message can be sent during event-handling, and needs to be delivered
// within that context.
msg->set_unblock(true);
Send(msg);
}
#endif // defined(OS_MACOSX)
#endif // ENABLE_PLUGINS
void RenderViewImpl::TransferActiveWheelFlingAnimation(
const blink::WebActiveWheelFlingParameters& params) {
if (webview())
webview()->transferActiveWheelFlingAnimation(params);
}
bool RenderViewImpl::OnMessageReceived(const IPC::Message& message) {
WebFrame* main_frame = webview() ? webview()->mainFrame() : NULL;
if (main_frame && main_frame->isWebLocalFrame())
GetContentClient()->SetActiveURL(main_frame->document().url());
// Input IPC messages must not be processed if the RenderView is in
// swapped out state.
if (is_swapped_out_ && IPC_MESSAGE_ID_CLASS(message.type()) == InputMsgStart)
return false;
base::ObserverListBase<RenderViewObserver>::Iterator it(&observers_);
RenderViewObserver* observer;
while ((observer = it.GetNext()) != NULL)
if (observer->OnMessageReceived(message))
return true;
bool handled = true;
IPC_BEGIN_MESSAGE_MAP(RenderViewImpl, message)
IPC_MESSAGE_HANDLER(InputMsg_ExecuteEditCommand, OnExecuteEditCommand)
IPC_MESSAGE_HANDLER(InputMsg_MoveCaret, OnMoveCaret)
IPC_MESSAGE_HANDLER(InputMsg_ScrollFocusedEditableNodeIntoRect,
OnScrollFocusedEditableNodeIntoRect)
IPC_MESSAGE_HANDLER(InputMsg_SetEditCommandsForNextKeyEvent,
OnSetEditCommandsForNextKeyEvent)
IPC_MESSAGE_HANDLER(ViewMsg_CopyImageAt, OnCopyImageAt)
IPC_MESSAGE_HANDLER(ViewMsg_SaveImageAt, OnSaveImageAt)
IPC_MESSAGE_HANDLER(ViewMsg_Find, OnFind)
IPC_MESSAGE_HANDLER(ViewMsg_StopFinding, OnStopFinding)
IPC_MESSAGE_HANDLER(ViewMsg_SetPageScale, OnSetPageScale)
IPC_MESSAGE_HANDLER(ViewMsg_Zoom, OnZoom)
IPC_MESSAGE_HANDLER(ViewMsg_SetZoomLevelForLoadingURL,
OnSetZoomLevelForLoadingURL)
IPC_MESSAGE_HANDLER(ViewMsg_SetZoomLevelForView,
OnSetZoomLevelForView)
IPC_MESSAGE_HANDLER(ViewMsg_SetPageEncoding, OnSetPageEncoding)
IPC_MESSAGE_HANDLER(ViewMsg_ResetPageEncodingToDefault,
OnResetPageEncodingToDefault)
IPC_MESSAGE_HANDLER(DragMsg_TargetDragEnter, OnDragTargetDragEnter)
IPC_MESSAGE_HANDLER(DragMsg_TargetDragOver, OnDragTargetDragOver)
IPC_MESSAGE_HANDLER(DragMsg_TargetDragLeave, OnDragTargetDragLeave)
IPC_MESSAGE_HANDLER(DragMsg_TargetDrop, OnDragTargetDrop)
IPC_MESSAGE_HANDLER(DragMsg_SourceEnded, OnDragSourceEnded)
IPC_MESSAGE_HANDLER(DragMsg_SourceSystemDragEnded,
OnDragSourceSystemDragEnded)
IPC_MESSAGE_HANDLER(ViewMsg_AllowBindings, OnAllowBindings)
IPC_MESSAGE_HANDLER(ViewMsg_SetInitialFocus, OnSetInitialFocus)
IPC_MESSAGE_HANDLER(ViewMsg_UpdateTargetURL_ACK, OnUpdateTargetURLAck)
IPC_MESSAGE_HANDLER(ViewMsg_UpdateWebPreferences, OnUpdateWebPreferences)
IPC_MESSAGE_HANDLER(ViewMsg_EnumerateDirectoryResponse,
OnEnumerateDirectoryResponse)
IPC_MESSAGE_HANDLER(ViewMsg_RunFileChooserResponse, OnFileChooserResponse)
IPC_MESSAGE_HANDLER(ViewMsg_SuppressDialogsUntilSwapOut,
OnSuppressDialogsUntilSwapOut)
IPC_MESSAGE_HANDLER(ViewMsg_ClosePage, OnClosePage)
IPC_MESSAGE_HANDLER(ViewMsg_ThemeChanged, OnThemeChanged)
IPC_MESSAGE_HANDLER(ViewMsg_MoveOrResizeStarted, OnMoveOrResizeStarted)
IPC_MESSAGE_HANDLER(ViewMsg_ClearFocusedElement, OnClearFocusedElement)
IPC_MESSAGE_HANDLER(ViewMsg_SetBackgroundOpaque, OnSetBackgroundOpaque)
IPC_MESSAGE_HANDLER(ViewMsg_EnablePreferredSizeChangedMode,
OnEnablePreferredSizeChangedMode)
IPC_MESSAGE_HANDLER(ViewMsg_EnableAutoResize, OnEnableAutoResize)
IPC_MESSAGE_HANDLER(ViewMsg_DisableAutoResize, OnDisableAutoResize)
IPC_MESSAGE_HANDLER(ViewMsg_DisableScrollbarsForSmallWindows,
OnDisableScrollbarsForSmallWindows)
IPC_MESSAGE_HANDLER(ViewMsg_SetRendererPrefs, OnSetRendererPrefs)
IPC_MESSAGE_HANDLER(ViewMsg_MediaPlayerActionAt, OnMediaPlayerActionAt)
IPC_MESSAGE_HANDLER(ViewMsg_PluginActionAt, OnPluginActionAt)
IPC_MESSAGE_HANDLER(ViewMsg_SetActive, OnSetActive)
IPC_MESSAGE_HANDLER(ViewMsg_ShowContextMenu, OnShowContextMenu)
// TODO(viettrungluu): Move to a separate message filter.
IPC_MESSAGE_HANDLER(ViewMsg_SetHistoryOffsetAndLength,
OnSetHistoryOffsetAndLength)
IPC_MESSAGE_HANDLER(ViewMsg_EnableViewSourceMode, OnEnableViewSourceMode)
IPC_MESSAGE_HANDLER(ViewMsg_ReleaseDisambiguationPopupBitmap,
OnReleaseDisambiguationPopupBitmap)
IPC_MESSAGE_HANDLER(ViewMsg_ForceRedraw, OnForceRedraw)
IPC_MESSAGE_HANDLER(ViewMsg_SelectWordAroundCaret, OnSelectWordAroundCaret)
#if defined(OS_ANDROID)
IPC_MESSAGE_HANDLER(InputMsg_ActivateNearestFindResult,
OnActivateNearestFindResult)
IPC_MESSAGE_HANDLER(ViewMsg_FindMatchRects, OnFindMatchRects)
IPC_MESSAGE_HANDLER(ViewMsg_UpdateTopControlsState,
OnUpdateTopControlsState)
IPC_MESSAGE_HANDLER(ViewMsg_ExtractSmartClipData, OnExtractSmartClipData)
#elif defined(OS_MACOSX)
IPC_MESSAGE_HANDLER(ViewMsg_GetRenderedText,
OnGetRenderedText)
IPC_MESSAGE_HANDLER(ViewMsg_PluginImeCompositionCompleted,
OnPluginImeCompositionCompleted)
IPC_MESSAGE_HANDLER(ViewMsg_Close, OnClose)
IPC_MESSAGE_HANDLER(ViewMsg_SetInLiveResize, OnSetInLiveResize)
IPC_MESSAGE_HANDLER(ViewMsg_SetWindowVisibility, OnSetWindowVisibility)
IPC_MESSAGE_HANDLER(ViewMsg_WindowFrameChanged, OnWindowFrameChanged)
#endif
// Adding a new message? Add platform independent ones first, then put the
// platform specific ones at the end.
// Have the super handle all other messages.
IPC_MESSAGE_UNHANDLED(handled = RenderWidget::OnMessageReceived(message))
IPC_END_MESSAGE_MAP()
return handled;
}
void RenderViewImpl::OnSelectWordAroundCaret() {
if (!webview())
return;
handling_input_event_ = true;
webview()->focusedFrame()->selectWordAroundCaret();
handling_input_event_ = false;
}
void RenderViewImpl::OnCopyImageAt(int x, int y) {
webview()->copyImageAt(WebPoint(x, y));
}
void RenderViewImpl::OnSaveImageAt(int x, int y) {
webview()->saveImageAt(WebPoint(x, y));
}
void RenderViewImpl::OnUpdateTargetURLAck() {
// Check if there is a targeturl waiting to be sent.
if (target_url_status_ == TARGET_PENDING)
Send(new ViewHostMsg_UpdateTargetURL(routing_id_, pending_target_url_));
target_url_status_ = TARGET_NONE;
}
void RenderViewImpl::OnExecuteEditCommand(const std::string& name,
const std::string& value) {
if (!webview() || !webview()->focusedFrame())
return;
webview()->focusedFrame()->executeCommand(
WebString::fromUTF8(name), WebString::fromUTF8(value));
}
void RenderViewImpl::OnMoveCaret(const gfx::Point& point) {
if (!webview())
return;
Send(new InputHostMsg_MoveCaret_ACK(routing_id_));
webview()->focusedFrame()->moveCaretSelection(point);
}
void RenderViewImpl::OnScrollFocusedEditableNodeIntoRect(
const gfx::Rect& rect) {
if (has_scrolled_focused_editable_node_into_rect_ &&
rect == rect_for_scrolled_focused_editable_node_) {
FocusChangeComplete();
return;
}
blink::WebElement element = GetFocusedElement();
bool will_animate = false;
if (!element.isNull() && element.isEditable()) {
rect_for_scrolled_focused_editable_node_ = rect;
has_scrolled_focused_editable_node_into_rect_ = true;
will_animate = webview()->scrollFocusedNodeIntoRect(rect);
}
if (!will_animate)
FocusChangeComplete();
}
void RenderViewImpl::OnSetEditCommandsForNextKeyEvent(
const EditCommands& edit_commands) {
edit_commands_ = edit_commands;
}
void RenderViewImpl::OnSetHistoryOffsetAndLength(int history_offset,
int history_length) {
DCHECK_GE(history_offset, -1);
DCHECK_GE(history_length, 0);
history_list_offset_ = history_offset;
history_list_length_ = history_length;
}
void RenderViewImpl::OnSetInitialFocus(bool reverse) {
if (!webview())
return;
webview()->setInitialFocus(reverse);
}
#if defined(OS_MACOSX)
void RenderViewImpl::OnSetInLiveResize(bool in_live_resize) {
if (!webview())
return;
if (in_live_resize)
webview()->willStartLiveResize();
else
webview()->willEndLiveResize();
}
#endif
///////////////////////////////////////////////////////////////////////////////
void RenderViewImpl::SendUpdateState() {
// We don't use this path in OOPIF-enabled modes.
DCHECK(!SiteIsolationPolicy::UseSubframeNavigationEntries());
HistoryEntry* entry = history_controller_->GetCurrentEntry();
if (!entry)
return;
// Don't send state updates for kSwappedOutURL.
if (entry->root().urlString() == WebString::fromUTF8(kSwappedOutURL))
return;
Send(new ViewHostMsg_UpdateState(
routing_id_, page_id_, HistoryEntryToPageState(entry)));
}
void RenderViewImpl::SendFrameStateUpdates() {
// We only use this path in OOPIF-enabled modes.
DCHECK(SiteIsolationPolicy::UseSubframeNavigationEntries());
// Tell each frame with pending state to send its UpdateState message.
for (int render_frame_routing_id : frames_with_pending_state_) {
RenderFrameImpl* frame =
RenderFrameImpl::FromRoutingID(render_frame_routing_id);
if (frame)
frame->SendUpdateState();
}
frames_with_pending_state_.clear();
}
void RenderViewImpl::ApplyWebPreferencesInternal(
const WebPreferences& prefs,
blink::WebView* web_view,
CompositorDependencies* compositor_deps) {
ApplyWebPreferences(prefs, web_view);
#if defined(OS_MACOSX) && !defined(OS_IOS)
DCHECK(compositor_deps);
bool is_elastic_overscroll_enabled =
compositor_deps->IsElasticOverscrollEnabled();
web_view->settings()->setReportWheelOverscroll(is_elastic_overscroll_enabled);
#endif
}
bool RenderViewImpl::SendAndRunNestedMessageLoop(IPC::SyncMessage* message) {
// Before WebKit asks us to show an alert (etc.), it takes care of doing the
// equivalent of WebView::willEnterModalLoop. In the case of showModalDialog
// it is particularly important that we do not call willEnterModalLoop as
// that would defer resource loads for the dialog itself.
if (RenderThreadImpl::current()) // Will be NULL during unit tests.
RenderThreadImpl::current()->DoNotNotifyWebKitOfModalLoop();
message->EnableMessagePumping(); // Runs a nested message loop.
return Send(message);
}
void RenderViewImpl::OnForceRedraw(int id) {
ui::LatencyInfo latency_info;
if (id) {
latency_info.AddLatencyNumber(ui::WINDOW_SNAPSHOT_FRAME_NUMBER_COMPONENT,
0,
id);
}
scoped_ptr<cc::SwapPromiseMonitor> latency_info_swap_promise_monitor;
if (RenderWidgetCompositor* rwc = compositor()) {
latency_info_swap_promise_monitor =
rwc->CreateLatencyInfoSwapPromiseMonitor(&latency_info).Pass();
}
ScheduleCompositeWithForcedRedraw();
}
// blink::WebViewClient ------------------------------------------------------
WebView* RenderViewImpl::createView(WebLocalFrame* creator,
const WebURLRequest& request,
const WebWindowFeatures& features,
const WebString& frame_name,
WebNavigationPolicy policy,
bool suppress_opener) {
ViewHostMsg_CreateWindow_Params params;
params.opener_id = routing_id_;
params.user_gesture = WebUserGestureIndicator::isProcessingUserGesture();
if (GetContentClient()->renderer()->AllowPopup())
params.user_gesture = true;
params.window_container_type = WindowFeaturesToContainerType(features);
params.session_storage_namespace_id = session_storage_namespace_id_;
if (frame_name != "_blank")
params.frame_name = base::UTF16ToUTF8(base::StringPiece16(frame_name));
params.opener_render_frame_id =
RenderFrameImpl::FromWebFrame(creator)->GetRoutingID();
params.opener_url = creator->document().url();
// The browser process uses the top frame's URL for a content settings check
// to determine whether the popup is allowed. If the top frame is remote,
// its URL is not available, so use its replicated origin instead.
//
// TODO(alexmos): This works fine for regular origins but may break path
// matching for file URLs with OOP subframes that open popups. This should
// be fixed by either moving this lookup to the browser process or removing
// path-based matching for file URLs from content settings. See
// https://crbug.com/466297.
if (creator->top()->isWebLocalFrame()) {
params.opener_top_level_frame_url = creator->top()->document().url();
} else {
params.opener_top_level_frame_url =
GURL(creator->top()->securityOrigin().toString());
}
GURL security_url(creator->document().securityOrigin().toString());
if (!security_url.is_valid())
security_url = GURL();
params.opener_security_origin = security_url;
params.opener_suppressed = suppress_opener;
params.disposition = NavigationPolicyToDisposition(policy);
if (!request.isNull()) {
params.target_url = request.url();
params.referrer = GetReferrerFromRequest(creator, request);
}
params.features = features;
for (size_t i = 0; i < features.additionalFeatures.size(); ++i)
params.additional_features.push_back(features.additionalFeatures[i]);
ViewHostMsg_CreateWindow_Reply reply;
RenderThread::Get()->Send(new ViewHostMsg_CreateWindow(params, &reply));
if (reply.route_id == MSG_ROUTING_NONE)
return NULL;
WebUserGestureIndicator::consumeUserGesture();
// While this view may be a background extension page, it can spawn a visible
// render view. So we just assume that the new one is not another background
// page instead of passing on our own value.
// TODO(vangelis): Can we tell if the new view will be a background page?
bool never_visible = false;
ViewMsg_Resize_Params initial_size = ViewMsg_Resize_Params();
initial_size.screen_info = screen_info_;
// The initial hidden state for the RenderViewImpl here has to match what the
// browser will eventually decide for the given disposition. Since we have to
// return from this call synchronously, we just have to make our best guess
// and rely on the browser sending a WasHidden / WasShown message if it
// disagrees.
ViewMsg_New_Params view_params;
RenderFrameImpl* creator_frame = RenderFrameImpl::FromWebFrame(creator);
view_params.opener_frame_route_id = creator_frame->GetRoutingID();
DCHECK_EQ(routing_id_, creator_frame->render_view()->GetRoutingID());
view_params.window_was_created_with_opener = true;
view_params.renderer_preferences = renderer_preferences_;
view_params.web_preferences = webkit_preferences_;
view_params.view_id = reply.route_id;
view_params.main_frame_routing_id = reply.main_frame_route_id;
view_params.main_frame_widget_routing_id = reply.main_frame_widget_route_id;
view_params.session_storage_namespace_id =
reply.cloned_session_storage_namespace_id;
view_params.swapped_out = false;
// WebCore will take care of setting the correct name.
view_params.replicated_frame_state = FrameReplicationState();
view_params.hidden = (params.disposition == NEW_BACKGROUND_TAB);
view_params.never_visible = never_visible;
view_params.next_page_id = 1;
view_params.initial_size = initial_size;
view_params.enable_auto_resize = false;
view_params.min_size = gfx::Size();
view_params.max_size = gfx::Size();
RenderViewImpl* view =
RenderViewImpl::Create(compositor_deps_, view_params, true);
view->opened_by_user_gesture_ = params.user_gesture;
// Record whether the creator frame is trying to suppress the opener field.
view->opener_suppressed_ = params.opener_suppressed;
return view->webview();
}
WebWidget* RenderViewImpl::createPopupMenu(blink::WebPopupType popup_type) {
RenderWidget* widget = RenderWidget::Create(routing_id_, compositor_deps_,
popup_type, screen_info_);
if (!widget)
return NULL;
if (screen_metrics_emulator_) {
widget->SetPopupOriginAdjustmentsForEmulation(
screen_metrics_emulator_.get());
}
return widget->webwidget();
}
WebStorageNamespace* RenderViewImpl::createSessionStorageNamespace() {
CHECK(session_storage_namespace_id_ != kInvalidSessionStorageNamespaceId);
return new WebStorageNamespaceImpl(session_storage_namespace_id_);
}
void RenderViewImpl::printPage(WebLocalFrame* frame) {
FOR_EACH_OBSERVER(RenderViewObserver, observers_,
PrintPage(frame, handling_input_event_));
}
void RenderViewImpl::saveImageFromDataURL(const blink::WebString& data_url) {
// Note: We should basically send GURL but we use size-limited string instead
// in order to send a larger data url to save a image for <canvas> or <img>.
if (data_url.length() < kMaxLengthOfDataURLString)
Send(new ViewHostMsg_SaveImageFromDataURL(
routing_id_, GetMainRenderFrame()->GetRoutingID(), data_url.utf8()));
}
bool RenderViewImpl::enumerateChosenDirectory(
const WebString& path,
WebFileChooserCompletion* chooser_completion) {
int id = enumeration_completion_id_++;
enumeration_completions_[id] = chooser_completion;
return Send(new ViewHostMsg_EnumerateDirectory(
routing_id_,
id,
base::FilePath::FromUTF16Unsafe(path)));
}
void RenderViewImpl::FrameDidStartLoading(WebFrame* frame) {
DCHECK_GE(frames_in_progress_, 0);
if (frames_in_progress_ == 0)
FOR_EACH_OBSERVER(RenderViewObserver, observers_, DidStartLoading());
frames_in_progress_++;
}
void RenderViewImpl::FrameDidStopLoading(WebFrame* frame) {
// TODO(japhet): This should be a DCHECK, but the pdf plugin sometimes
// calls DidStopLoading() without a matching DidStartLoading().
if (frames_in_progress_ == 0)
return;
frames_in_progress_--;
if (frames_in_progress_ == 0) {
DidStopLoadingIcons();
FOR_EACH_OBSERVER(RenderViewObserver, observers_, DidStopLoading());
}
}
void RenderViewImpl::AttachWebFrameWidget(blink::WebWidget* frame_widget) {
// The previous WebFrameWidget must already be detached by CloseForFrame().
DCHECK(!frame_widget_);
frame_widget_ = frame_widget;
}
void RenderViewImpl::SetZoomLevel(double zoom_level) {
webview()->setZoomLevel(zoom_level);
FOR_EACH_OBSERVER(RenderViewObserver, observers_, OnZoomLevelChanged());
}
void RenderViewImpl::didCancelCompositionOnSelectionChange() {
Send(new InputHostMsg_ImeCancelComposition(routing_id()));
}
bool RenderViewImpl::handleCurrentKeyboardEvent() {
if (edit_commands_.empty())
return false;
WebFrame* frame = webview()->focusedFrame();
if (!frame)
return false;
EditCommands::iterator it = edit_commands_.begin();
EditCommands::iterator end = edit_commands_.end();
bool did_execute_command = false;
for (; it != end; ++it) {
// In gtk and cocoa, it's possible to bind multiple edit commands to one
// key (but it's the exception). Once one edit command is not executed, it
// seems safest to not execute the rest.
if (!frame->executeCommand(WebString::fromUTF8(it->name),
WebString::fromUTF8(it->value),
GetFocusedElement()))
break;
did_execute_command = true;
}
return did_execute_command;
}
bool RenderViewImpl::runFileChooser(
const blink::WebFileChooserParams& params,
WebFileChooserCompletion* chooser_completion) {
// Do not open the file dialog in a hidden RenderView.
if (is_hidden())
return false;
FileChooserParams ipc_params;
if (params.directory)
ipc_params.mode = FileChooserParams::UploadFolder;
else if (params.multiSelect)
ipc_params.mode = FileChooserParams::OpenMultiple;
else if (params.saveAs)
ipc_params.mode = FileChooserParams::Save;
else
ipc_params.mode = FileChooserParams::Open;
ipc_params.title = params.title;
ipc_params.default_file_name =
base::FilePath::FromUTF16Unsafe(params.initialValue).BaseName();
ipc_params.accept_types.reserve(params.acceptTypes.size());
for (size_t i = 0; i < params.acceptTypes.size(); ++i)
ipc_params.accept_types.push_back(params.acceptTypes[i]);
ipc_params.need_local_path = params.needLocalPath;
#if defined(OS_ANDROID)
ipc_params.capture = params.useMediaCapture;
#endif
ipc_params.requestor = params.requestor;
return ScheduleFileChooser(ipc_params, chooser_completion);
}
void RenderViewImpl::SetValidationMessageDirection(
base::string16* wrapped_main_text,
blink::WebTextDirection main_text_hint,
base::string16* wrapped_sub_text,
blink::WebTextDirection sub_text_hint) {
if (main_text_hint == blink::WebTextDirectionLeftToRight) {
*wrapped_main_text =
base::i18n::GetDisplayStringInLTRDirectionality(*wrapped_main_text);
} else if (main_text_hint == blink::WebTextDirectionRightToLeft &&
!base::i18n::IsRTL()) {
base::i18n::WrapStringWithRTLFormatting(wrapped_main_text);
}
if (!wrapped_sub_text->empty()) {
if (sub_text_hint == blink::WebTextDirectionLeftToRight) {
*wrapped_sub_text =
base::i18n::GetDisplayStringInLTRDirectionality(*wrapped_sub_text);
} else if (sub_text_hint == blink::WebTextDirectionRightToLeft) {
base::i18n::WrapStringWithRTLFormatting(wrapped_sub_text);
}
}
}
void RenderViewImpl::showValidationMessage(
const blink::WebRect& anchor_in_viewport,
const blink::WebString& main_text,
blink::WebTextDirection main_text_hint,
const blink::WebString& sub_text,
blink::WebTextDirection sub_text_hint) {
base::string16 wrapped_main_text = main_text;
base::string16 wrapped_sub_text = sub_text;
SetValidationMessageDirection(
&wrapped_main_text, main_text_hint, &wrapped_sub_text, sub_text_hint);
Send(new ViewHostMsg_ShowValidationMessage(
routing_id(), AdjustValidationMessageAnchor(anchor_in_viewport),
wrapped_main_text, wrapped_sub_text));
}
void RenderViewImpl::hideValidationMessage() {
Send(new ViewHostMsg_HideValidationMessage(routing_id()));
}
void RenderViewImpl::moveValidationMessage(
const blink::WebRect& anchor_in_viewport) {
Send(new ViewHostMsg_MoveValidationMessage(
routing_id(), AdjustValidationMessageAnchor(anchor_in_viewport)));
}
void RenderViewImpl::setStatusText(const WebString& text) {
}
void RenderViewImpl::UpdateTargetURL(const GURL& url,
const GURL& fallback_url) {
GURL latest_url = url.is_empty() ? fallback_url : url;
if (latest_url == target_url_)
return;
// Tell the browser to display a destination link.
if (target_url_status_ == TARGET_INFLIGHT ||
target_url_status_ == TARGET_PENDING) {
// If we have a request in-flight, save the URL to be sent when we
// receive an ACK to the in-flight request. We can happily overwrite
// any existing pending sends.
pending_target_url_ = latest_url;
target_url_status_ = TARGET_PENDING;
} else {
// URLs larger than |MaxURLChars()| cannot be sent through IPC -
// see |ParamTraits<GURL>|.
if (latest_url.possibly_invalid_spec().size() > GetMaxURLChars())
latest_url = GURL();
Send(new ViewHostMsg_UpdateTargetURL(routing_id_, latest_url));
target_url_ = latest_url;
target_url_status_ = TARGET_INFLIGHT;
}
}
gfx::RectF RenderViewImpl::ClientRectToPhysicalWindowRect(
const gfx::RectF& rect) const {
gfx::RectF window_rect = rect;
window_rect.Scale(device_scale_factor_ * webview()->pageScaleFactor());
return window_rect;
}
void RenderViewImpl::StartNavStateSyncTimerIfNecessary(RenderFrameImpl* frame) {
// In OOPIF modes, keep track of which frames have pending updates.
if (SiteIsolationPolicy::UseSubframeNavigationEntries())
frames_with_pending_state_.insert(frame->GetRoutingID());
int delay;
if (send_content_state_immediately_)
delay = 0;
else if (is_hidden())
delay = kDelaySecondsForContentStateSyncHidden;
else
delay = kDelaySecondsForContentStateSync;
if (nav_state_sync_timer_.IsRunning()) {
// The timer is already running. If the delay of the timer maches the amount
// we want to delay by, then return. Otherwise stop the timer so that it
// gets started with the right delay.
if (nav_state_sync_timer_.GetCurrentDelay().InSeconds() == delay)
return;
nav_state_sync_timer_.Stop();
}
if (SiteIsolationPolicy::UseSubframeNavigationEntries()) {
// In OOPIF modes, tell each frame with pending state to inform the browser.
nav_state_sync_timer_.Start(FROM_HERE, TimeDelta::FromSeconds(delay), this,
&RenderViewImpl::SendFrameStateUpdates);
} else {
// By default, send an UpdateState for the current history item.
nav_state_sync_timer_.Start(FROM_HERE, TimeDelta::FromSeconds(delay), this,
&RenderViewImpl::SendUpdateState);
}
}
void RenderViewImpl::setMouseOverURL(const WebURL& url) {
mouse_over_url_ = GURL(url);
UpdateTargetURL(mouse_over_url_, focus_url_);
}
void RenderViewImpl::setKeyboardFocusURL(const WebURL& url) {
focus_url_ = GURL(url);
UpdateTargetURL(focus_url_, mouse_over_url_);
}
void RenderViewImpl::startDragging(WebLocalFrame* frame,
const WebDragData& data,
WebDragOperationsMask mask,
const WebImage& image,
const WebPoint& webImageOffset) {
DropData drop_data(DropDataBuilder::Build(data));
drop_data.referrer_policy = frame->document().referrerPolicy();
gfx::Vector2d imageOffset(webImageOffset.x, webImageOffset.y);
Send(new DragHostMsg_StartDragging(routing_id_,
drop_data,
mask,
image.getSkBitmap(),
imageOffset,
possible_drag_event_info_));
}
bool RenderViewImpl::acceptsLoadDrops() {
return renderer_preferences_.can_accept_load_drops;
}
void RenderViewImpl::focusNext() {
Send(new ViewHostMsg_TakeFocus(routing_id_, false));
}
void RenderViewImpl::focusPrevious() {
Send(new ViewHostMsg_TakeFocus(routing_id_, true));
}
// TODO(esprehn): Blink only ever passes Elements, this should take WebElement.
void RenderViewImpl::focusedNodeChanged(const WebNode& fromNode,
const WebNode& toNode) {
has_scrolled_focused_editable_node_into_rect_ = false;
gfx::Rect node_bounds;
bool is_editable = false;
if (!toNode.isNull() && toNode.isElementNode()) {
WebElement element = const_cast<WebNode&>(toNode).to<WebElement>();
blink::WebRect rect = element.boundsInViewport();
convertViewportToWindow(&rect);
node_bounds = gfx::Rect(rect);
is_editable = element.isEditable();
}
Send(new ViewHostMsg_FocusedNodeChanged(routing_id_, is_editable,
node_bounds));
// TODO(estade): remove.
FOR_EACH_OBSERVER(RenderViewObserver, observers_, FocusedNodeChanged(toNode));
RenderFrameImpl* previous_frame = nullptr;
if (!fromNode.isNull())
previous_frame = RenderFrameImpl::FromWebFrame(fromNode.document().frame());
RenderFrameImpl* new_frame = nullptr;
if (!toNode.isNull())
new_frame = RenderFrameImpl::FromWebFrame(toNode.document().frame());
if (previous_frame && previous_frame != new_frame)
previous_frame->FocusedNodeChanged(WebNode());
if (new_frame)
new_frame->FocusedNodeChanged(toNode);
// TODO(dmazzoni): remove once there's a separate a11y tree per frame.
if (main_render_frame_)
main_render_frame_->FocusedNodeChangedForAccessibility(toNode);
}
void RenderViewImpl::didUpdateLayout() {
FOR_EACH_OBSERVER(RenderViewObserver, observers_, DidUpdateLayout());
// We don't always want to set up a timer, only if we've been put in that
// mode by getting a |ViewMsg_EnablePreferredSizeChangedMode|
// message.
if (!send_preferred_size_changes_ || !webview())
return;
if (check_preferred_size_timer_.IsRunning())
return;
check_preferred_size_timer_.Start(FROM_HERE,
TimeDelta::FromMilliseconds(0), this,
&RenderViewImpl::CheckPreferredSize);
}
void RenderViewImpl::navigateBackForwardSoon(int offset) {
Send(new ViewHostMsg_GoToEntryAtOffset(routing_id_, offset));
}
int RenderViewImpl::historyBackListCount() {
return history_list_offset_ < 0 ? 0 : history_list_offset_;
}
int RenderViewImpl::historyForwardListCount() {
return history_list_length_ - historyBackListCount() - 1;
}
// blink::WebWidgetClient ----------------------------------------------------
void RenderViewImpl::didFocus() {
// TODO(jcivelli): when https://bugs.webkit.org/show_bug.cgi?id=33389 is fixed
// we won't have to test for user gesture anymore and we can
// move that code back to render_widget.cc
if (WebUserGestureIndicator::isProcessingUserGesture() &&
!RenderThreadImpl::current()->layout_test_mode()) {
Send(new ViewHostMsg_Focus(routing_id_));
}
}
// We are supposed to get a single call to Show for a newly created RenderView
// that was created via RenderViewImpl::CreateWebView. So, we wait until this
// point to dispatch the ShowView message.
//
// This method provides us with the information about how to display the newly
// created RenderView (i.e., as a blocked popup or as a new tab).
//
void RenderViewImpl::show(WebNavigationPolicy policy) {
if (did_show_) {
// When supports_multiple_windows is disabled, popups are reusing
// the same view. In some scenarios, this makes WebKit to call show() twice.
if (webkit_preferences_.supports_multiple_windows)
NOTREACHED() << "received extraneous Show call";
return;
}
did_show_ = true;
DCHECK(opener_id_ != MSG_ROUTING_NONE);
// NOTE: initial_rect_ may still have its default values at this point, but
// that's okay. It'll be ignored if disposition is not NEW_POPUP, or the
// browser process will impose a default position otherwise.
Send(new ViewHostMsg_ShowView(opener_id_, routing_id_,
NavigationPolicyToDisposition(policy), initial_rect_,
opened_by_user_gesture_));
SetPendingWindowRect(initial_rect_);
}
bool RenderViewImpl::requestPointerLock() {
return mouse_lock_dispatcher_->LockMouse(webwidget_mouse_lock_target_.get());
}
void RenderViewImpl::requestPointerUnlock() {
mouse_lock_dispatcher_->UnlockMouse(webwidget_mouse_lock_target_.get());
}
bool RenderViewImpl::isPointerLocked() {
return mouse_lock_dispatcher_->IsMouseLockedTo(
webwidget_mouse_lock_target_.get());
}
void RenderViewImpl::onMouseDown(const WebNode& mouse_down_node) {
FOR_EACH_OBSERVER(
RenderViewObserver, observers_, OnMouseDown(mouse_down_node));
}
void RenderViewImpl::didHandleGestureEvent(
const WebGestureEvent& event,
bool event_cancelled) {
RenderWidget::didHandleGestureEvent(event, event_cancelled);
if (!event_cancelled) {
FOR_EACH_OBSERVER(
RenderViewObserver, observers_, DidHandleGestureEvent(event));
}
// TODO(ananta): Piggyback off existing IPCs to communicate this information,
// crbug/420130.
#if defined(OS_WIN)
if (event.type != blink::WebGestureEvent::GestureTap)
return;
// TODO(estade): hit test the event against focused node to make sure
// the tap actually hit the focused node.
blink::WebTextInputType text_input_type = GetWebView()->textInputType();
Send(new ViewHostMsg_FocusedNodeTouched(
routing_id(), text_input_type != blink::WebTextInputTypeNone));
#endif
}
void RenderViewImpl::initializeLayerTreeView() {
RenderWidget::initializeLayerTreeView();
RenderWidgetCompositor* rwc = compositor();
if (!rwc)
return;
bool use_threaded_event_handling = true;
#if defined(OS_MACOSX) && !defined(OS_IOS)
// Disable threaded event handling if content is not handling the elastic
// overscroll effect. This includes the cases where the elastic overscroll
// effect is being handled by Blink (because of command line flags) and older
// operating system versions which do not have an elastic overscroll effect
// (SnowLeopard, which has Aqua scrollbars which need synchronous updates).
use_threaded_event_handling = compositor_deps_->IsElasticOverscrollEnabled();
#endif
if (use_threaded_event_handling) {
RenderThreadImpl* render_thread = RenderThreadImpl::current();
// render_thread may be NULL in tests.
InputHandlerManager* input_handler_manager =
render_thread ? render_thread->input_handler_manager() : NULL;
if (input_handler_manager) {
input_handler_manager->AddInputHandler(
routing_id_, rwc->GetInputHandler(), AsWeakPtr());
}
}
}
// blink::WebFrameClient -----------------------------------------------------
void RenderViewImpl::Repaint(const gfx::Size& size) {
OnRepaint(size);
}
void RenderViewImpl::SetEditCommandForNextKeyEvent(const std::string& name,
const std::string& value) {
EditCommands edit_commands;
edit_commands.push_back(EditCommand(name, value));
OnSetEditCommandsForNextKeyEvent(edit_commands);
}
void RenderViewImpl::ClearEditCommands() {
edit_commands_.clear();
}
SSLStatus RenderViewImpl::GetSSLStatusOfFrame(blink::WebFrame* frame) const {
std::string security_info;
if (frame && frame->dataSource())
security_info = frame->dataSource()->response().securityInfo();
SSLStatus result;
CHECK(DeserializeSecurityInfo(security_info, &result));
return result;
}
const std::string& RenderViewImpl::GetAcceptLanguages() const {
return renderer_preferences_.accept_languages;
}
void RenderViewImpl::convertViewportToWindow(blink::WebRect* rect) {
RenderWidget::convertViewportToWindow(rect);
}
void RenderViewImpl::didChangeIcon(WebLocalFrame* frame,
WebIconURL::Type icon_type) {
if (frame->parent())
return;
WebVector<WebIconURL> icon_urls = frame->iconURLs(icon_type);
std::vector<FaviconURL> urls;
for (size_t i = 0; i < icon_urls.size(); i++) {
std::vector<gfx::Size> sizes;
ConvertToFaviconSizes(icon_urls[i].sizes(), &sizes);
urls.push_back(FaviconURL(
icon_urls[i].iconURL(), ToFaviconType(icon_urls[i].iconType()), sizes));
}
SendUpdateFaviconURL(urls);
}
void RenderViewImpl::CheckPreferredSize() {
// We don't always want to send the change messages over IPC, only if we've
// been put in that mode by getting a |ViewMsg_EnablePreferredSizeChangedMode|
// message.
if (!send_preferred_size_changes_ || !webview())
return;
gfx::Size size = webview()->contentsPreferredMinimumSize();
if (size == preferred_size_)
return;
preferred_size_ = size;
Send(new ViewHostMsg_DidContentsPreferredSizeChange(routing_id_,
preferred_size_));
}
void RenderViewImpl::SendFindReply(int request_id,
int match_count,
int ordinal,
const WebRect& selection_rect,
bool final_status_update) {
Send(new ViewHostMsg_Find_Reply(routing_id_,
request_id,
match_count,
selection_rect,
ordinal,
final_status_update));
}
blink::WebString RenderViewImpl::acceptLanguages() {
return WebString::fromUTF8(renderer_preferences_.accept_languages);
}
// RenderView implementation ---------------------------------------------------
bool RenderViewImpl::Send(IPC::Message* message) {
return RenderWidget::Send(message);
}
RenderFrameImpl* RenderViewImpl::GetMainRenderFrame() {
return main_render_frame_;
}
int RenderViewImpl::GetRoutingID() const {
return routing_id_;
}
gfx::Size RenderViewImpl::GetSize() const {
return size();
}
WebPreferences& RenderViewImpl::GetWebkitPreferences() {
return webkit_preferences_;
}
void RenderViewImpl::SetWebkitPreferences(const WebPreferences& preferences) {
OnUpdateWebPreferences(preferences);
}
blink::WebView* RenderViewImpl::GetWebView() {
return webview();
}
bool RenderViewImpl::ShouldDisplayScrollbars(int width, int height) const {
return (!send_preferred_size_changes_ ||
(disable_scrollbars_size_limit_.width() <= width ||
disable_scrollbars_size_limit_.height() <= height));
}
int RenderViewImpl::GetEnabledBindings() const {
return enabled_bindings_;
}
bool RenderViewImpl::GetContentStateImmediately() const {
return send_content_state_immediately_;
}
blink::WebPageVisibilityState RenderViewImpl::GetVisibilityState() const {
return visibilityState();
}
void RenderViewImpl::DidStartLoading() {
main_render_frame_->didStartLoading(true);
}
void RenderViewImpl::DidStopLoading() {
main_render_frame_->didStopLoading();
}
blink::WebElement RenderViewImpl::GetFocusedElement() const {
if (!webview())
return WebElement();
WebFrame* focused_frame = webview()->focusedFrame();
if (focused_frame) {
WebDocument doc = focused_frame->document();
if (!doc.isNull())
return doc.focusedElement();
}
return WebElement();
}
blink::WebPlugin* RenderViewImpl::GetWebPluginForFind() {
if (!webview())
return NULL;
WebFrame* main_frame = webview()->mainFrame();
if (main_frame->isWebLocalFrame() &&
main_frame->document().isPluginDocument())
return webview()->mainFrame()->document().to<WebPluginDocument>().plugin();
#if defined(ENABLE_PLUGINS)
if (plugin_find_handler_)
return plugin_find_handler_->container()->plugin();
#endif
return NULL;
}
void RenderViewImpl::OnFind(int request_id,
const base::string16& search_text,
const WebFindOptions& options) {
DCHECK(!search_text.empty());
WebFrame* main_frame = webview()->mainFrame();
blink::WebPlugin* plugin = GetWebPluginForFind();
// Check if the plugin still exists in the document.
if (plugin) {
if (options.findNext) {
// Just navigate back/forward.
plugin->selectFindResult(options.forward);
} else {
if (!plugin->startFind(
search_text, options.matchCase, request_id)) {
// Send "no results".
SendFindReply(request_id, 0, 0, gfx::Rect(), true);
}
}
return;
}
WebFrame* frame_after_main = main_frame->traverseNext(true);
WebFrame* focused_frame = webview()->focusedFrame();
WebFrame* search_frame = focused_frame; // start searching focused frame.
bool multi_frame = (frame_after_main != main_frame);
// If we have multiple frames, we don't want to wrap the search within the
// frame, so we check here if we only have main_frame in the chain.
bool wrap_within_frame = !multi_frame;
WebRect selection_rect;
bool result = false;
// If something is selected when we start searching it means we cannot just
// increment the current match ordinal; we need to re-generate it.
WebRange current_selection = focused_frame->selectionRange();
do {
result = search_frame->find(
request_id, search_text, options, wrap_within_frame, &selection_rect);
if (!result) {
// don't leave text selected as you move to the next frame.
search_frame->executeCommand(WebString::fromUTF8("Unselect"),
GetFocusedElement());
// Find the next frame, but skip the invisible ones.
do {
// What is the next frame to search? (we might be going backwards). Note
// that we specify wrap=true so that search_frame never becomes NULL.
search_frame = options.forward ?
search_frame->traverseNext(true) :
search_frame->traversePrevious(true);
} while (!search_frame->hasVisibleContent() &&
search_frame != focused_frame);
// Make sure selection doesn't affect the search operation in new frame.
search_frame->executeCommand(WebString::fromUTF8("Unselect"),
GetFocusedElement());
// If we have multiple frames and we have wrapped back around to the
// focused frame, we need to search it once more allowing wrap within
// the frame, otherwise it will report 'no match' if the focused frame has
// reported matches, but no frames after the focused_frame contain a
// match for the search word(s).
if (multi_frame && search_frame == focused_frame) {
result = search_frame->find(
request_id, search_text, options, true, // Force wrapping.
&selection_rect);
}
}
webview()->setFocusedFrame(search_frame);
} while (!result && search_frame != focused_frame);
if (options.findNext && current_selection.isNull()) {
// Force the main_frame to report the actual count.
main_frame->increaseMatchCount(0, request_id);
} else {
// If nothing is found, set result to "0 of 0", otherwise, set it to
// "-1 of 1" to indicate that we found at least one item, but we don't know
// yet what is active.
int ordinal = result ? -1 : 0; // -1 here means, we might know more later.
int match_count = result ? 1 : 0; // 1 here means possibly more coming.
// If we find no matches then this will be our last status update.
// Otherwise the scoping effort will send more results.
bool final_status_update = !result;
SendFindReply(request_id, match_count, ordinal, selection_rect,
final_status_update);
// Scoping effort begins, starting with the mainframe.
search_frame = main_frame;
main_frame->resetMatchCount();
do {
// Cancel all old scoping requests before starting a new one.
search_frame->cancelPendingScopingEffort();
// We don't start another scoping effort unless at least one match has
// been found.
if (result) {
// Start new scoping request. If the scoping function determines that it
// needs to scope, it will defer until later.
search_frame->scopeStringMatches(request_id,
search_text,
options,
true); // reset the tickmarks
}
// Iterate to the next frame. The frame will not necessarily scope, for
// example if it is not visible.
search_frame = search_frame->traverseNext(true);
} while (search_frame != main_frame);
}
}
void RenderViewImpl::OnStopFinding(StopFindAction action) {
WebView* view = webview();
if (!view)
return;
blink::WebPlugin* plugin = GetWebPluginForFind();
if (plugin) {
plugin->stopFind();
return;
}
bool clear_selection = action == STOP_FIND_ACTION_CLEAR_SELECTION;
if (clear_selection) {
view->focusedFrame()->executeCommand(WebString::fromUTF8("Unselect"),
GetFocusedElement());
}
WebFrame* frame = view->mainFrame();
while (frame) {
frame->stopFinding(clear_selection);
frame = frame->traverseNext(false);
}
if (action == STOP_FIND_ACTION_ACTIVATE_SELECTION) {
WebFrame* focused_frame = view->focusedFrame();
if (focused_frame) {
WebDocument doc = focused_frame->document();
if (!doc.isNull()) {
WebElement element = doc.focusedElement();
if (!element.isNull())
element.simulateClick();
}
}
}
}
#if defined(OS_ANDROID)
void RenderViewImpl::OnActivateNearestFindResult(int request_id,
float x, float y) {
if (!webview())
return;
WebFrame* main_frame = webview()->mainFrame();
WebRect selection_rect;
int ordinal = main_frame->selectNearestFindMatch(WebFloatPoint(x, y),
&selection_rect);
if (ordinal == -1) {
// Something went wrong, so send a no-op reply (force the main_frame to
// report the current match count) in case the host is waiting for a
// response due to rate-limiting).
main_frame->increaseMatchCount(0, request_id);
return;
}
SendFindReply(request_id,
-1 /* number_of_matches */,
ordinal,
selection_rect,
true /* final_update */);
}
void RenderViewImpl::OnFindMatchRects(int current_version) {
if (!webview())
return;
WebFrame* main_frame = webview()->mainFrame();
std::vector<gfx::RectF> match_rects;
int rects_version = main_frame->findMatchMarkersVersion();
if (current_version != rects_version) {
WebVector<WebFloatRect> web_match_rects;
main_frame->findMatchRects(web_match_rects);
match_rects.reserve(web_match_rects.size());
for (size_t i = 0; i < web_match_rects.size(); ++i)
match_rects.push_back(gfx::RectF(web_match_rects[i]));
}
gfx::RectF active_rect = main_frame->activeFindMatchRect();
Send(new ViewHostMsg_FindMatchRects_Reply(routing_id_,
rects_version,
match_rects,
active_rect));
}
#endif
void RenderViewImpl::OnSetPageScale(float page_scale_factor) {
if (!webview())
return;
webview()->setPageScaleFactor(page_scale_factor);
}
void RenderViewImpl::OnZoom(PageZoom zoom) {
if (!webview()) // Not sure if this can happen, but no harm in being safe.
return;
webview()->hidePopups();
double old_zoom_level = webview()->zoomLevel();
double zoom_level;
if (zoom == PAGE_ZOOM_RESET) {
zoom_level = 0;
} else if (static_cast<int>(old_zoom_level) == old_zoom_level) {
// Previous zoom level is a whole number, so just increment/decrement.
zoom_level = old_zoom_level + zoom;
} else {
// Either the user hit the zoom factor limit and thus the zoom level is now
// not a whole number, or a plugin changed it to a custom value. We want
// to go to the next whole number so that the user can always get back to
// 100% with the keyboard/menu.
if ((old_zoom_level > 1 && zoom > 0) ||
(old_zoom_level < 1 && zoom < 0)) {
zoom_level = static_cast<int>(old_zoom_level + zoom);
} else {
// We're going towards 100%, so first go to the next whole number.
zoom_level = static_cast<int>(old_zoom_level);
}
}
SetZoomLevel(zoom_level);
zoomLevelChanged();
}
void RenderViewImpl::OnSetZoomLevelForLoadingURL(const GURL& url,
double zoom_level) {
#if !defined(OS_ANDROID)
// On Android, page zoom isn't used, and in case of WebView, text zoom is used
// for legacy WebView text scaling emulation. Thus, the code that resets
// the zoom level from this map will be effectively resetting text zoom level.
host_zoom_levels_[url] = zoom_level;
#endif
}
void RenderViewImpl::OnSetZoomLevelForView(bool uses_temporary_zoom_level,
double level) {
uses_temporary_zoom_level_ = uses_temporary_zoom_level;
webview()->hidePopups();
SetZoomLevel(level);
}
void RenderViewImpl::OnSetPageEncoding(const std::string& encoding_name) {
webview()->setPageEncoding(WebString::fromUTF8(encoding_name));
}
void RenderViewImpl::OnResetPageEncodingToDefault() {
WebString no_encoding;
webview()->setPageEncoding(no_encoding);
}
void RenderViewImpl::OnAllowBindings(int enabled_bindings_flags) {
if ((enabled_bindings_flags & BINDINGS_POLICY_WEB_UI) &&
!(enabled_bindings_ & BINDINGS_POLICY_WEB_UI)) {
// WebUIExtensionData deletes itself when we're destroyed.
new WebUIExtensionData(this);
// MojoBindingsController deletes itself when we're destroyed.
new MojoBindingsController(this);
}
enabled_bindings_ |= enabled_bindings_flags;
// Keep track of the total bindings accumulated in this process.
RenderProcess::current()->AddBindings(enabled_bindings_flags);
}
void RenderViewImpl::OnDragTargetDragEnter(const DropData& drop_data,
const gfx::Point& client_point,
const gfx::Point& screen_point,
WebDragOperationsMask ops,
int key_modifiers) {
WebDragOperation operation = webview()->dragTargetDragEnter(
DropDataToWebDragData(drop_data),
client_point,
screen_point,
ops,
key_modifiers);
Send(new DragHostMsg_UpdateDragCursor(routing_id_, operation));
}
void RenderViewImpl::OnDragTargetDragOver(const gfx::Point& client_point,
const gfx::Point& screen_point,
WebDragOperationsMask ops,
int key_modifiers) {
WebDragOperation operation = webview()->dragTargetDragOver(
client_point,
screen_point,
ops,
key_modifiers);
Send(new DragHostMsg_UpdateDragCursor(routing_id_, operation));
}
void RenderViewImpl::OnDragTargetDragLeave() {
webview()->dragTargetDragLeave();
}
void RenderViewImpl::OnDragTargetDrop(const gfx::Point& client_point,
const gfx::Point& screen_point,
int key_modifiers) {
webview()->dragTargetDrop(client_point, screen_point, key_modifiers);
}
void RenderViewImpl::OnDragSourceEnded(const gfx::Point& client_point,
const gfx::Point& screen_point,
WebDragOperation op) {
webview()->dragSourceEndedAt(client_point, screen_point, op);
}
void RenderViewImpl::OnDragSourceSystemDragEnded() {
webview()->dragSourceSystemDragEnded();
}
void RenderViewImpl::OnUpdateWebPreferences(const WebPreferences& prefs) {
webkit_preferences_ = prefs;
ApplyWebPreferencesInternal(webkit_preferences_, webview(), compositor_deps_);
}
void RenderViewImpl::OnEnumerateDirectoryResponse(
int id,
const std::vector<base::FilePath>& paths) {
if (!enumeration_completions_[id])
return;
WebVector<WebString> ws_file_names(paths.size());
for (size_t i = 0; i < paths.size(); ++i)
ws_file_names[i] = paths[i].AsUTF16Unsafe();
enumeration_completions_[id]->didChooseFile(ws_file_names);
enumeration_completions_.erase(id);
}
void RenderViewImpl::OnFileChooserResponse(
const std::vector<content::FileChooserFileInfo>& files) {
// This could happen if we navigated to a different page before the user
// closed the chooser.
if (file_chooser_completions_.empty())
return;
// Convert Chrome's SelectedFileInfo list to WebKit's.
WebVector<WebFileChooserCompletion::SelectedFileInfo> selected_files(
files.size());
for (size_t i = 0; i < files.size(); ++i) {
WebFileChooserCompletion::SelectedFileInfo selected_file;
selected_file.path = files[i].file_path.AsUTF16Unsafe();
selected_file.displayName =
base::FilePath(files[i].display_name).AsUTF16Unsafe();
if (files[i].file_system_url.is_valid()) {
selected_file.fileSystemURL = files[i].file_system_url;
selected_file.length = files[i].length;
selected_file.modificationTime = files[i].modification_time.ToDoubleT();
selected_file.isDirectory = files[i].is_directory;
}
selected_files[i] = selected_file;
}
if (file_chooser_completions_.front()->completion)
file_chooser_completions_.front()->completion->didChooseFile(
selected_files);
file_chooser_completions_.pop_front();
// If there are more pending file chooser requests, schedule one now.
if (!file_chooser_completions_.empty()) {
Send(new ViewHostMsg_RunFileChooser(routing_id_,
file_chooser_completions_.front()->params));
}
}
void RenderViewImpl::OnEnableAutoResize(const gfx::Size& min_size,
const gfx::Size& max_size) {
DCHECK(disable_scrollbars_size_limit_.IsEmpty());
if (!webview())
return;
auto_resize_mode_ = true;
webview()->enableAutoResizeMode(min_size, max_size);
}
void RenderViewImpl::OnDisableAutoResize(const gfx::Size& new_size) {
DCHECK(disable_scrollbars_size_limit_.IsEmpty());
if (!webview())
return;
auto_resize_mode_ = false;
webview()->disableAutoResizeMode();
if (!new_size.IsEmpty()) {
Resize(new_size,
physical_backing_size_,
top_controls_shrink_blink_size_,
top_controls_height_,
visible_viewport_size_,
resizer_rect_,
is_fullscreen_granted_,
display_mode_,
NO_RESIZE_ACK);
}
}
void RenderViewImpl::OnEnablePreferredSizeChangedMode() {
if (send_preferred_size_changes_)
return;
send_preferred_size_changes_ = true;
// Start off with an initial preferred size notification (in case
// |didUpdateLayout| was already called).
didUpdateLayout();
}
void RenderViewImpl::OnDisableScrollbarsForSmallWindows(
const gfx::Size& disable_scrollbar_size_limit) {
disable_scrollbars_size_limit_ = disable_scrollbar_size_limit;
}
void RenderViewImpl::OnSetRendererPrefs(
const RendererPreferences& renderer_prefs) {
double old_zoom_level = renderer_preferences_.default_zoom_level;
std::string old_accept_languages = renderer_preferences_.accept_languages;
renderer_preferences_ = renderer_prefs;
UpdateFontRenderingFromRendererPrefs();
UpdateThemePrefs();
#if defined(USE_DEFAULT_RENDER_THEME)
if (renderer_prefs.use_custom_colors) {
blink::setFocusRingColor(renderer_prefs.focus_ring_color);
blink::setCaretBlinkInterval(renderer_prefs.caret_blink_interval);
if (webview()) {
webview()->setSelectionColors(
renderer_prefs.active_selection_bg_color,
renderer_prefs.active_selection_fg_color,
renderer_prefs.inactive_selection_bg_color,
renderer_prefs.inactive_selection_fg_color);
webview()->themeChanged();
}
}
#endif // defined(USE_DEFAULT_RENDER_THEME)
// If the zoom level for this page matches the old zoom default, and this
// is not a plugin, update the zoom level to match the new default.
if (webview() && webview()->mainFrame()->isWebLocalFrame() &&
!webview()->mainFrame()->document().isPluginDocument() &&
!ZoomValuesEqual(old_zoom_level,
renderer_preferences_.default_zoom_level) &&
ZoomValuesEqual(webview()->zoomLevel(), old_zoom_level)) {
SetZoomLevel(renderer_preferences_.default_zoom_level);
zoomLevelChanged();
}
if (webview() &&
old_accept_languages != renderer_preferences_.accept_languages) {
webview()->acceptLanguagesChanged();
}
}
void RenderViewImpl::OnMediaPlayerActionAt(const gfx::Point& location,
const WebMediaPlayerAction& action) {
if (webview())
webview()->performMediaPlayerAction(action, location);
}
void RenderViewImpl::OnOrientationChange() {
if (webview() && webview()->mainFrame()->isWebLocalFrame())
webview()->mainFrame()->toWebLocalFrame()->sendOrientationChangeEvent();
}
void RenderViewImpl::OnPluginActionAt(const gfx::Point& location,
const WebPluginAction& action) {
if (webview())
webview()->performPluginAction(action, location);
}
void RenderViewImpl::OnSuppressDialogsUntilSwapOut() {
// Don't show any more dialogs until we finish OnSwapOut.
suppress_dialogs_until_swap_out_ = true;
}
void RenderViewImpl::OnClosePage() {
FOR_EACH_OBSERVER(RenderViewObserver, observers_, ClosePage());
// TODO(creis): We'd rather use webview()->Close() here, but that currently
// sets the WebView's delegate_ to NULL, preventing any JavaScript dialogs
// in the onunload handler from appearing. For now, we're bypassing that and
// calling the FrameLoader's CloseURL method directly. This should be
// revisited to avoid having two ways to close a page. Having a single way
// to close that can run onunload is also useful for fixing
// http://b/issue?id=753080.
webview()->mainFrame()->dispatchUnloadEvent();
Send(new ViewHostMsg_ClosePage_ACK(routing_id_));
}
void RenderViewImpl::OnClose() {
if (closing_)
RenderThread::Get()->Send(new ViewHostMsg_Close_ACK(routing_id_));
RenderWidget::OnClose();
}
void RenderViewImpl::OnThemeChanged() {
#if defined(USE_AURA)
// Aura doesn't care if we switch themes.
#elif defined(OS_WIN)
ui::NativeThemeWin::instance()->CloseHandles();
if (webview())
webview()->themeChanged();
#else // defined(OS_WIN)
// TODO(port): we don't support theming on non-Windows platforms yet
NOTIMPLEMENTED();
#endif
}
void RenderViewImpl::OnMoveOrResizeStarted() {
if (webview())
webview()->hidePopups();
}
void RenderViewImpl::OnResize(const ViewMsg_Resize_Params& params) {
TRACE_EVENT0("renderer", "RenderViewImpl::OnResize");
if (webview()) {
webview()->hidePopups();
if (send_preferred_size_changes_) {
webview()->mainFrame()->setCanHaveScrollbars(
ShouldDisplayScrollbars(params.new_size.width(),
params.new_size.height()));
}
if (display_mode_ != params.display_mode) {
display_mode_ = params.display_mode;
webview()->setDisplayMode(display_mode_);
}
}
gfx::Size old_visible_viewport_size = visible_viewport_size_;
RenderWidget::OnResize(params);
if (old_visible_viewport_size != visible_viewport_size_)
has_scrolled_focused_editable_node_into_rect_ = false;
}
void RenderViewImpl::DidInitiatePaint() {
#if defined(ENABLE_PLUGINS)
// Notify all instances that we painted. The same caveats apply as for
// ViewFlushedPaint regarding instances closing themselves, so we take
// similar precautions.
PepperPluginSet plugins = active_pepper_instances_;
for (PepperPluginSet::iterator i = plugins.begin(); i != plugins.end(); ++i) {
if (active_pepper_instances_.find(*i) != active_pepper_instances_.end())
(*i)->ViewInitiatedPaint();
}
#endif
}
void RenderViewImpl::DidFlushPaint() {
// If the RenderWidget is closing down then early-exit, otherwise we'll crash.
// See crbug.com/112921.
if (!webview())
return;
WebFrame* main_frame = webview()->mainFrame();
for (WebFrame* frame = main_frame; frame;
frame = frame->traverseNext(false)) {
// TODO(nasko): This is a hack for the case in which the top-level
// frame is being rendered in another process. It will not
// behave correctly for out of process iframes.
if (frame->isWebLocalFrame()) {
main_frame = frame;
break;
}
}
// There's nothing to do if there are no local frames in this RenderView's
// frame tree. This can happen if DidFlushPaint is called after the
// RenderView's local main frame is swapped to a remote frame. See
// http://crbug.com/513552.
if (main_frame->isWebRemoteFrame())
return;
// If we have a provisional frame we are between the start and commit stages
// of loading and we don't want to save stats.
if (!main_frame->provisionalDataSource()) {
WebDataSource* ds = main_frame->dataSource();
if (!ds)
return;
DocumentState* document_state = DocumentState::FromDataSource(ds);
// TODO(jar): The following code should all be inside a method, probably in
// NavigatorState.
Time now = Time::Now();
if (document_state->first_paint_time().is_null()) {
document_state->set_first_paint_time(now);
}
if (document_state->first_paint_after_load_time().is_null() &&
!document_state->finish_load_time().is_null()) {
document_state->set_first_paint_after_load_time(now);
}
}
}
gfx::Vector2d RenderViewImpl::GetScrollOffset() {
WebFrame* main_frame = webview()->mainFrame();
for (WebFrame* frame = main_frame; frame;
frame = frame->traverseNext(false)) {
// TODO(nasko): This is a hack for the case in which the top-level
// frame is being rendered in another process. It will not
// behave correctly for out of process iframes.
if (frame->isWebLocalFrame()) {
main_frame = frame;
break;
}
}
WebSize scroll_offset = main_frame->scrollOffset();
return gfx::Vector2d(scroll_offset.width, scroll_offset.height);
}
void RenderViewImpl::OnClearFocusedElement() {
if (webview())
webview()->clearFocusedElement();
}
void RenderViewImpl::OnSetBackgroundOpaque(bool opaque) {
if (webview())
webview()->setIsTransparent(!opaque);
if (compositor_)
compositor_->setHasTransparentBackground(!opaque);
}
void RenderViewImpl::OnSetActive(bool active) {
if (webview())
webview()->setIsActive(active);
#if defined(ENABLE_PLUGINS) && defined(OS_MACOSX)
std::set<WebPluginDelegateProxy*>::iterator plugin_it;
for (plugin_it = plugin_delegates_.begin();
plugin_it != plugin_delegates_.end(); ++plugin_it) {
(*plugin_it)->SetWindowFocus(active);
}
#endif
}
#if defined(OS_MACOSX)
void RenderViewImpl::OnSetWindowVisibility(bool visible) {
#if defined(ENABLE_PLUGINS)
// Inform plugins that their container has changed visibility.
std::set<WebPluginDelegateProxy*>::iterator plugin_it;
for (plugin_it = plugin_delegates_.begin();
plugin_it != plugin_delegates_.end(); ++plugin_it) {
(*plugin_it)->SetContainerVisibility(visible);
}
#endif
}
void RenderViewImpl::OnWindowFrameChanged(const gfx::Rect& window_frame,
const gfx::Rect& view_frame) {
#if defined(ENABLE_PLUGINS)
// Inform plugins that their window's frame has changed.
std::set<WebPluginDelegateProxy*>::iterator plugin_it;
for (plugin_it = plugin_delegates_.begin();
plugin_it != plugin_delegates_.end(); ++plugin_it) {
(*plugin_it)->WindowFrameChanged(window_frame, view_frame);
}
#endif
}
void RenderViewImpl::OnPluginImeCompositionCompleted(const base::string16& text,
int plugin_id) {
// WebPluginDelegateProxy is responsible for figuring out if this event
// applies to it or not, so inform all the delegates.
std::set<WebPluginDelegateProxy*>::iterator plugin_it;
for (plugin_it = plugin_delegates_.begin();
plugin_it != plugin_delegates_.end(); ++plugin_it) {
(*plugin_it)->ImeCompositionCompleted(text, plugin_id);
}
}
#endif // OS_MACOSX
void RenderViewImpl::CloseForFrame() {
DCHECK(frame_widget_);
frame_widget_->close();
frame_widget_ = nullptr;
}
void RenderViewImpl::Close() {
// We need to grab a pointer to the doomed WebView before we destroy it.
WebView* doomed = webview();
RenderWidget::Close();
g_view_map.Get().erase(doomed);
g_routing_id_view_map.Get().erase(routing_id_);
RenderThread::Get()->Send(new ViewHostMsg_Close_ACK(routing_id_));
}
void RenderViewImpl::DidHandleKeyEvent() {
ClearEditCommands();
}
bool RenderViewImpl::WillHandleMouseEvent(const blink::WebMouseEvent& event) {
possible_drag_event_info_.event_source =
ui::DragDropTypes::DRAG_EVENT_SOURCE_MOUSE;
possible_drag_event_info_.event_location =
gfx::Point(event.globalX, event.globalY);
#if defined(ENABLE_PLUGINS)
// This method is called for every mouse event that the render view receives.
// And then the mouse event is forwarded to WebKit, which dispatches it to the
// event target. Potentially a Pepper plugin will receive the event.
// In order to tell whether a plugin gets the last mouse event and which it
// is, we set |pepper_last_mouse_event_target_| to NULL here. If a plugin gets
// the event, it will notify us via DidReceiveMouseEvent() and set itself as
// |pepper_last_mouse_event_target_|.
pepper_last_mouse_event_target_ = NULL;
#endif
// If the mouse is locked, only the current owner of the mouse lock can
// process mouse events.
return mouse_lock_dispatcher_->WillHandleMouseEvent(event);
}
bool RenderViewImpl::WillHandleGestureEvent(
const blink::WebGestureEvent& event) {
possible_drag_event_info_.event_source =
ui::DragDropTypes::DRAG_EVENT_SOURCE_TOUCH;
possible_drag_event_info_.event_location =
gfx::Point(event.globalX, event.globalY);
return false;
}
bool RenderViewImpl::HasTouchEventHandlersAt(const gfx::Point& point) const {
if (!webview())
return false;
return webview()->hasTouchEventHandlersAt(point);
}
void RenderViewImpl::OnWasHidden() {
RenderWidget::OnWasHidden();
#if defined(OS_ANDROID) && defined(ENABLE_WEBRTC)
RenderThreadImpl::current()->video_capture_impl_manager()->
SuspendDevices(true);
if (speech_recognition_dispatcher_)
speech_recognition_dispatcher_->AbortAllRecognitions();
#endif
if (webview())
webview()->setVisibilityState(visibilityState(), false);
#if defined(ENABLE_PLUGINS)
for (PepperPluginSet::iterator i = active_pepper_instances_.begin();
i != active_pepper_instances_.end(); ++i)
(*i)->PageVisibilityChanged(false);
#if defined(OS_MACOSX)
// Inform NPAPI plugins that their container is no longer visible.
std::set<WebPluginDelegateProxy*>::iterator plugin_it;
for (plugin_it = plugin_delegates_.begin();
plugin_it != plugin_delegates_.end(); ++plugin_it) {
(*plugin_it)->SetContainerVisibility(false);
}
#endif // OS_MACOSX
#endif // ENABLE_PLUGINS
}
void RenderViewImpl::OnWasShown(bool needs_repainting,
const ui::LatencyInfo& latency_info) {
RenderWidget::OnWasShown(needs_repainting, latency_info);
#if defined(OS_ANDROID) && defined(ENABLE_WEBRTC)
RenderThreadImpl::current()->video_capture_impl_manager()->
SuspendDevices(false);
#endif
if (webview())
webview()->setVisibilityState(visibilityState(), false);
#if defined(ENABLE_PLUGINS)
for (PepperPluginSet::iterator i = active_pepper_instances_.begin();
i != active_pepper_instances_.end(); ++i)
(*i)->PageVisibilityChanged(true);
#if defined(OS_MACOSX)
// Inform NPAPI plugins that their container is now visible.
std::set<WebPluginDelegateProxy*>::iterator plugin_it;
for (plugin_it = plugin_delegates_.begin();
plugin_it != plugin_delegates_.end(); ++plugin_it) {
(*plugin_it)->SetContainerVisibility(true);
}
#endif // OS_MACOSX
#endif // ENABLE_PLUGINS
}
GURL RenderViewImpl::GetURLForGraphicsContext3D() {
DCHECK(webview());
if (webview()->mainFrame()->isWebLocalFrame())
return GURL(webview()->mainFrame()->document().url());
else
return GURL("chrome://gpu/RenderViewImpl::CreateGraphicsContext3D");
}
void RenderViewImpl::OnSetFocus(bool enable) {
// This message must always be received when the main frame is a
// WebLocalFrame.
CHECK(webview()->mainFrame()->isWebLocalFrame());
SetFocus(enable);
}
void RenderViewImpl::SetFocus(bool enable) {
has_focus_ = enable;
RenderWidget::OnSetFocus(enable);
#if defined(ENABLE_PLUGINS)
if (webview() && webview()->isActive()) {
// Notify all NPAPI plugins.
std::set<WebPluginDelegateProxy*>::iterator plugin_it;
for (plugin_it = plugin_delegates_.begin();
plugin_it != plugin_delegates_.end(); ++plugin_it) {
#if defined(OS_MACOSX)
// RenderWidget's call to setFocus can cause the underlying webview's
// activation state to change just like a call to setIsActive.
if (enable)
(*plugin_it)->SetWindowFocus(true);
#endif
(*plugin_it)->SetContentAreaFocus(enable);
}
}
// Notify all Pepper plugins.
for (PepperPluginSet::iterator i = active_pepper_instances_.begin();
i != active_pepper_instances_.end(); ++i)
(*i)->SetContentAreaFocus(enable);
#endif
// Notify all BrowserPlugins of the RenderView's focus state.
if (BrowserPluginManager::Get())
BrowserPluginManager::Get()->UpdateFocusState();
}
void RenderViewImpl::OnImeSetComposition(
const base::string16& text,
const std::vector<blink::WebCompositionUnderline>& underlines,
int selection_start,
int selection_end) {
#if defined(ENABLE_PLUGINS)
if (focused_pepper_plugin_) {
focused_pepper_plugin_->render_frame()->OnImeSetComposition(
text, underlines, selection_start, selection_end);
return;
}
#if defined(OS_WIN)
// When a plugin has focus, we create platform-specific IME data used by
// our IME emulator and send it directly to the focused plugin, i.e. we
// bypass WebKit. (WebPluginDelegate dispatches this IME data only when its
// instance ID is the same one as the specified ID.)
if (focused_plugin_id_ >= 0) {
std::vector<int> clauses;
std::vector<int> target;
for (size_t i = 0; i < underlines.size(); ++i) {
clauses.push_back(underlines[i].startOffset);
clauses.push_back(underlines[i].endOffset);
if (underlines[i].thick) {
target.clear();
target.push_back(underlines[i].startOffset);
target.push_back(underlines[i].endOffset);
}
}
std::set<WebPluginDelegateProxy*>::iterator it;
for (it = plugin_delegates_.begin(); it != plugin_delegates_.end(); ++it) {
(*it)->ImeCompositionUpdated(text, clauses, target, selection_end,
focused_plugin_id_);
}
return;
}
#endif // OS_WIN
#endif // ENABLE_PLUGINS
RenderWidget::OnImeSetComposition(text,
underlines,
selection_start,
selection_end);
}
void RenderViewImpl::OnImeConfirmComposition(
const base::string16& text,
const gfx::Range& replacement_range,
bool keep_selection) {
#if defined(ENABLE_PLUGINS)
if (focused_pepper_plugin_) {
focused_pepper_plugin_->render_frame()->OnImeConfirmComposition(
text, replacement_range, keep_selection);
return;
}
#if defined(OS_WIN)
// Same as OnImeSetComposition(), we send the text from IMEs directly to
// plugins. When we send IME text directly to plugins, we should not send
// it to WebKit to prevent WebKit from controlling IMEs.
// TODO(thakis): Honor |replacement_range| for plugins?
if (focused_plugin_id_ >= 0) {
std::set<WebPluginDelegateProxy*>::iterator it;
for (it = plugin_delegates_.begin();
it != plugin_delegates_.end(); ++it) {
(*it)->ImeCompositionCompleted(text, focused_plugin_id_);
}
return;
}
#endif // OS_WIN
#endif // ENABLE_PLUGINS
if (replacement_range.IsValid() && webview()) {
// Select the text in |replacement_range|, it will then be replaced by
// text added by the call to RenderWidget::OnImeConfirmComposition().
if (WebLocalFrame* frame = webview()->focusedFrame()->toWebLocalFrame()) {
WebRange webrange = WebRange::fromDocumentRange(
frame, replacement_range.start(), replacement_range.length());
if (!webrange.isNull())
frame->selectRange(webrange);
}
}
RenderWidget::OnImeConfirmComposition(text,
replacement_range,
keep_selection);
}
void RenderViewImpl::SetDeviceScaleFactor(float device_scale_factor) {
RenderWidget::SetDeviceScaleFactor(device_scale_factor);
if (webview()) {
UpdateDeviceScaleFactor();
webview()->settings()->setPreferCompositingToLCDTextEnabled(
PreferCompositingToLCDText(compositor_deps_, device_scale_factor_));
}
if (auto_resize_mode_)
AutoResizeCompositor();
}
bool RenderViewImpl::SetDeviceColorProfile(
const std::vector<char>& profile) {
bool changed = RenderWidget::SetDeviceColorProfile(profile);
if (changed && webview()) {
WebVector<char> colorProfile = profile;
webview()->setDeviceColorProfile(colorProfile);
}
return changed;
}
void RenderViewImpl::ResetDeviceColorProfileForTesting() {
RenderWidget::ResetDeviceColorProfileForTesting();
if (webview())
webview()->resetDeviceColorProfileForTesting();
}
ui::TextInputType RenderViewImpl::GetTextInputType() {
#if defined(ENABLE_PLUGINS)
if (focused_pepper_plugin_)
return focused_pepper_plugin_->text_input_type();
#endif
return RenderWidget::GetTextInputType();
}
void RenderViewImpl::GetSelectionBounds(gfx::Rect* start, gfx::Rect* end) {
#if defined(ENABLE_PLUGINS)
if (focused_pepper_plugin_) {
// TODO(kinaba) http://crbug.com/101101
// Current Pepper IME API does not handle selection bounds. So we simply
// use the caret position as an empty range for now. It will be updated
// after Pepper API equips features related to surrounding text retrieval.
gfx::Rect caret = focused_pepper_plugin_->GetCaretBounds();
*start = caret;
*end = caret;
return;
}
#endif
RenderWidget::GetSelectionBounds(start, end);
}
void RenderViewImpl::FocusChangeComplete() {
RenderWidget::FocusChangeComplete();
FOR_EACH_OBSERVER(RenderViewObserver, observers_, FocusChangeComplete());
}
void RenderViewImpl::GetCompositionCharacterBounds(
std::vector<gfx::Rect>* bounds) {
DCHECK(bounds);
bounds->clear();
#if defined(ENABLE_PLUGINS)
if (focused_pepper_plugin_) {
return;
}
#endif
if (!webview())
return;
size_t start_offset = 0;
size_t character_count = 0;
if (!webview()->compositionRange(&start_offset, &character_count))
return;
if (character_count == 0)
return;
blink::WebFrame* frame = webview()->focusedFrame();
if (!frame)
return;
bounds->reserve(character_count);
blink::WebRect webrect;
for (size_t i = 0; i < character_count; ++i) {
if (!frame->firstRectForCharacterRange(start_offset + i, 1, webrect)) {
DLOG(ERROR) << "Could not retrieve character rectangle at " << i;
bounds->clear();
return;
}
bounds->push_back(webrect);
}
}
void RenderViewImpl::GetCompositionRange(gfx::Range* range) {
#if defined(ENABLE_PLUGINS)
if (focused_pepper_plugin_) {
return;
}
#endif
RenderWidget::GetCompositionRange(range);
}
bool RenderViewImpl::CanComposeInline() {
#if defined(ENABLE_PLUGINS)
if (focused_pepper_plugin_)
return focused_pepper_plugin_->IsPluginAcceptingCompositionEvents();
#endif
return true;
}
void RenderViewImpl::DidCompletePageScaleAnimation() {
FocusChangeComplete();
}
void RenderViewImpl::SetScreenMetricsEmulationParameters(
bool enabled,
const blink::WebDeviceEmulationParams& params) {
if (webview() && compositor()) {
if (enabled)
webview()->enableDeviceEmulation(params);
else
webview()->disableDeviceEmulation();
}
}
bool RenderViewImpl::ScheduleFileChooser(
const FileChooserParams& params,
WebFileChooserCompletion* completion) {
static const size_t kMaximumPendingFileChooseRequests = 4;
if (file_chooser_completions_.size() > kMaximumPendingFileChooseRequests) {
// This sanity check prevents too many file choose requests from getting
// queued which could DoS the user. Getting these is most likely a
// programming error (there are many ways to DoS the user so it's not
// considered a "real" security check), either in JS requesting many file
// choosers to pop up, or in a plugin.
//
// TODO(brettw) we might possibly want to require a user gesture to open
// a file picker, which will address this issue in a better way.
return false;
}
file_chooser_completions_.push_back(
make_scoped_ptr(new PendingFileChooser(params, completion)));
if (file_chooser_completions_.size() == 1) {
// Actually show the browse dialog when this is the first request.
Send(new ViewHostMsg_RunFileChooser(routing_id_, params));
}
return true;
}
blink::WebSpeechRecognizer* RenderViewImpl::speechRecognizer() {
if (!speech_recognition_dispatcher_)
speech_recognition_dispatcher_ = new SpeechRecognitionDispatcher(this);
return speech_recognition_dispatcher_;
}
void RenderViewImpl::zoomLimitsChanged(double minimum_level,
double maximum_level) {
// Round the double to avoid returning incorrect minimum/maximum zoom
// percentages.
int minimum_percent = round(
ZoomLevelToZoomFactor(minimum_level) * 100);
int maximum_percent = round(
ZoomLevelToZoomFactor(maximum_level) * 100);
Send(new ViewHostMsg_UpdateZoomLimits(
routing_id_, minimum_percent, maximum_percent));
}
void RenderViewImpl::zoomLevelChanged() {
double zoom_level = webview()->zoomLevel();
// Do not send empty URLs to the browser when we are just setting the default
// zoom level (from RendererPreferences) before the first navigation.
if (!webview()->mainFrame()->document().url().isEmpty()) {
// Tell the browser which url got zoomed so it can update the menu and the
// saved values if necessary
Send(new ViewHostMsg_DidZoomURL(
routing_id_, zoom_level,
GURL(webview()->mainFrame()->document().url())));
}
}
void RenderViewImpl::pageScaleFactorChanged() {
if (!webview())
return;
Send(new ViewHostMsg_PageScaleFactorChanged(routing_id_,
webview()->pageScaleFactor()));
}
double RenderViewImpl::zoomLevelToZoomFactor(double zoom_level) const {
return ZoomLevelToZoomFactor(zoom_level);
}
double RenderViewImpl::zoomFactorToZoomLevel(double factor) const {
return ZoomFactorToZoomLevel(factor);
}
blink::WebPageVisibilityState RenderViewImpl::visibilityState() const {
blink::WebPageVisibilityState current_state = is_hidden() ?
blink::WebPageVisibilityStateHidden :
blink::WebPageVisibilityStateVisible;
blink::WebPageVisibilityState override_state = current_state;
// TODO(jam): move this method to WebFrameClient.
if (GetContentClient()->renderer()->
ShouldOverridePageVisibilityState(main_render_frame_,
&override_state))
return override_state;
return current_state;
}
void RenderViewImpl::draggableRegionsChanged() {
FOR_EACH_OBSERVER(
RenderViewObserver,
observers_,
DraggableRegionsChanged(webview()->mainFrame()));
}
void RenderViewImpl::pageImportanceSignalsChanged() {
if (!webview() || !main_render_frame_)
return;
const auto& web_signals = webview()->pageImportanceSignals();
PageImportanceSignals signals;
signals.had_form_interaction = web_signals->hadFormInteraction();
main_render_frame_->Send(new FrameHostMsg_UpdatePageImportanceSignals(
main_render_frame_->GetRoutingID(), signals));
}
#if defined(OS_ANDROID)
WebContentDetectionResult RenderViewImpl::detectContentAround(
const WebHitTestResult& touch_hit) {
DCHECK(touch_hit.node().isTextNode());
// Process the position with all the registered content detectors until
// a match is found. Priority is provided by their relative order.
for (const auto& detector : content_detectors_) {
ContentDetector::Result content = detector->FindTappedContent(touch_hit);
if (content.valid) {
return WebContentDetectionResult(content.content_boundaries,
base::UTF8ToUTF16(content.text), content.intent_url);
}
}
return WebContentDetectionResult();
}
void RenderViewImpl::scheduleContentIntent(const WebURL& intent,
bool is_main_frame) {
// Introduce a short delay so that the user can notice the content.
base::MessageLoop::current()->PostDelayedTask(
FROM_HERE,
base::Bind(&RenderViewImpl::LaunchAndroidContentIntent, AsWeakPtr(),
intent, expected_content_intent_id_, is_main_frame),
base::TimeDelta::FromMilliseconds(kContentIntentDelayMilliseconds));
}
void RenderViewImpl::cancelScheduledContentIntents() {
++expected_content_intent_id_;
}
void RenderViewImpl::LaunchAndroidContentIntent(const GURL& intent,
size_t request_id,
bool is_main_frame) {
if (request_id != expected_content_intent_id_)
return;
// Remove the content highlighting if any.
ScheduleComposite();
if (!intent.is_empty()) {
Send(
new ViewHostMsg_StartContentIntent(routing_id_, intent, is_main_frame));
}
}
bool RenderViewImpl::openDateTimeChooser(
const blink::WebDateTimeChooserParams& params,
blink::WebDateTimeChooserCompletion* completion) {
// JavaScript may try to open a date time chooser while one is already open.
if (date_time_picker_client_)
return false;
date_time_picker_client_.reset(
new RendererDateTimePicker(this, params, completion));
return date_time_picker_client_->Open();
}
void RenderViewImpl::DismissDateTimeDialog() {
DCHECK(date_time_picker_client_);
date_time_picker_client_.reset(NULL);
}
#endif // defined(OS_ANDROID)
void RenderViewImpl::OnShowContextMenu(
ui::MenuSourceType source_type, const gfx::Point& location) {
context_menu_source_type_ = source_type;
has_host_context_menu_location_ = true;
host_context_menu_location_ = location;
if (webview())
webview()->showContextMenu();
has_host_context_menu_location_ = false;
}
void RenderViewImpl::OnEnableViewSourceMode() {
if (!webview())
return;
WebFrame* main_frame = webview()->mainFrame();
if (!main_frame)
return;
main_frame->enableViewSourceMode(true);
}
#if defined(OS_ANDROID) || defined(USE_AURA)
bool RenderViewImpl::didTapMultipleTargets(
const WebSize& inner_viewport_offset,
const WebRect& touch_rect,
const WebVector<WebRect>& target_rects) {
DCHECK(switches::IsLinkDisambiguationPopupEnabled());
// Never show a disambiguation popup when accessibility is enabled,
// as this interferes with "touch exploration".
AccessibilityMode accessibility_mode =
GetMainRenderFrame()->accessibility_mode();
bool matches_accessibility_mode_complete =
(accessibility_mode & AccessibilityModeComplete) ==
AccessibilityModeComplete;
if (matches_accessibility_mode_complete)
return false;
// The touch_rect, target_rects and zoom_rect are in the outer viewport
// reference frame.
gfx::Rect zoom_rect;
float new_total_scale =
DisambiguationPopupHelper::ComputeZoomAreaAndScaleFactor(
touch_rect, target_rects, GetSize(),
gfx::Rect(webview()->mainFrame()->visibleContentRect()).size(),
device_scale_factor_ * webview()->pageScaleFactor(), &zoom_rect);
if (!new_total_scale || zoom_rect.IsEmpty())
return false;
bool handled = false;
switch (renderer_preferences_.tap_multiple_targets_strategy) {
case TAP_MULTIPLE_TARGETS_STRATEGY_ZOOM:
handled = webview()->zoomToMultipleTargetsRect(zoom_rect);
break;
case TAP_MULTIPLE_TARGETS_STRATEGY_POPUP: {
gfx::Size canvas_size =
gfx::ScaleToCeiledSize(zoom_rect.size(), new_total_scale);
cc::SharedBitmapManager* manager =
RenderThreadImpl::current()->shared_bitmap_manager();
scoped_ptr<cc::SharedBitmap> shared_bitmap =
manager->AllocateSharedBitmap(canvas_size);
CHECK(!!shared_bitmap);
{
SkBitmap bitmap;
SkImageInfo info = SkImageInfo::MakeN32Premul(canvas_size.width(),
canvas_size.height());
bitmap.installPixels(info, shared_bitmap->pixels(), info.minRowBytes());
SkCanvas canvas(bitmap);
// TODO(trchen): Cleanup the device scale factor mess.
// device scale will be applied in WebKit
// --> zoom_rect doesn't include device scale,
// but WebKit will still draw on zoom_rect * device_scale_factor_
canvas.scale(new_total_scale / device_scale_factor_,
new_total_scale / device_scale_factor_);
canvas.translate(-zoom_rect.x() * device_scale_factor_,
-zoom_rect.y() * device_scale_factor_);
DCHECK(webwidget_->isAcceleratedCompositingActive());
// TODO(aelias): The disambiguation popup should be composited so we
// don't have to call this method.
webwidget_->paintCompositedDeprecated(&canvas, zoom_rect);
}
gfx::Rect zoom_rect_in_screen =
zoom_rect - gfx::Vector2d(inner_viewport_offset.width,
inner_viewport_offset.height);
gfx::Rect physical_window_zoom_rect = gfx::ToEnclosingRect(
ClientRectToPhysicalWindowRect(gfx::RectF(zoom_rect_in_screen)));
Send(new ViewHostMsg_ShowDisambiguationPopup(routing_id_,
physical_window_zoom_rect,
canvas_size,
shared_bitmap->id()));
cc::SharedBitmapId id = shared_bitmap->id();
disambiguation_bitmaps_[id] = shared_bitmap.release();
handled = true;
break;
}
case TAP_MULTIPLE_TARGETS_STRATEGY_NONE:
// No-op.
break;
}
return handled;
}
#endif // defined(OS_ANDROID) || defined(USE_AURA)
unsigned RenderViewImpl::GetLocalSessionHistoryLengthForTesting() const {
return history_list_length_;
}
void RenderViewImpl::SetFocusAndActivateForTesting(bool enable) {
if (enable) {
if (has_focus())
return;
OnSetActive(true);
OnSetFocus(true);
} else {
if (!has_focus())
return;
OnSetFocus(false);
OnSetActive(false);
}
}
void RenderViewImpl::SetDeviceScaleFactorForTesting(float factor) {
ViewMsg_Resize_Params params;
params.screen_info = screen_info_;
params.screen_info.deviceScaleFactor = factor;
params.new_size = size();
params.visible_viewport_size = visible_viewport_size_;
params.physical_backing_size = gfx::ScaleToCeiledSize(size(), factor);
params.top_controls_shrink_blink_size = false;
params.top_controls_height = 0.f;
params.resizer_rect = WebRect();
params.is_fullscreen_granted = is_fullscreen_granted();
params.display_mode = display_mode_;
OnResize(params);
}
void RenderViewImpl::SetDeviceColorProfileForTesting(
const std::vector<char>& color_profile) {
SetDeviceColorProfile(color_profile);
}
void RenderViewImpl::ForceResizeForTesting(const gfx::Size& new_size) {
gfx::Rect new_window_rect(rootWindowRect().x,
rootWindowRect().y,
new_size.width(),
new_size.height());
SetWindowRectSynchronously(new_window_rect);
}
void RenderViewImpl::UseSynchronousResizeModeForTesting(bool enable) {
resizing_mode_selector_->set_is_synchronous_mode(enable);
}
void RenderViewImpl::EnableAutoResizeForTesting(const gfx::Size& min_size,
const gfx::Size& max_size) {
OnEnableAutoResize(min_size, max_size);
}
void RenderViewImpl::DisableAutoResizeForTesting(const gfx::Size& new_size) {
OnDisableAutoResize(new_size);
}
void RenderViewImpl::OnReleaseDisambiguationPopupBitmap(
const cc::SharedBitmapId& id) {
BitmapMap::iterator it = disambiguation_bitmaps_.find(id);
DCHECK(it != disambiguation_bitmaps_.end());
delete it->second;
disambiguation_bitmaps_.erase(it);
}
void RenderViewImpl::DidCommitCompositorFrame() {
RenderWidget::DidCommitCompositorFrame();
FOR_EACH_OBSERVER(RenderViewObserver, observers_, DidCommitCompositorFrame());
}
void RenderViewImpl::SendUpdateFaviconURL(const std::vector<FaviconURL>& urls) {
if (!urls.empty())
Send(new ViewHostMsg_UpdateFaviconURL(routing_id_, urls));
}
void RenderViewImpl::DidStopLoadingIcons() {
int icon_types = WebIconURL::TypeFavicon | WebIconURL::TypeTouchPrecomposed |
WebIconURL::TypeTouch;
// Favicons matter only for the top-level frame. If it is a WebRemoteFrame,
// just return early.
if (webview()->mainFrame()->isWebRemoteFrame())
return;
WebVector<WebIconURL> icon_urls =
webview()->mainFrame()->iconURLs(icon_types);
std::vector<FaviconURL> urls;
for (size_t i = 0; i < icon_urls.size(); i++) {
WebURL url = icon_urls[i].iconURL();
std::vector<gfx::Size> sizes;
ConvertToFaviconSizes(icon_urls[i].sizes(), &sizes);
if (!url.isEmpty())
urls.push_back(
FaviconURL(url, ToFaviconType(icon_urls[i].iconType()), sizes));
}
SendUpdateFaviconURL(urls);
}
void RenderViewImpl::UpdateDeviceScaleFactor() {
if (IsUseZoomForDSFEnabled()) {
compositor_->SetPaintedDeviceScaleFactor(device_scale_factor_);
webview()->setZoomFactorForDeviceScaleFactor(
device_scale_factor_);
} else {
webview()->setDeviceScaleFactor(device_scale_factor_);
}
}
} // namespace content