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chromium / chromium / src / 5c478a7b04b55630c5c491d4d1d2863e965cfa32 / . / content / renderer / render_view_impl.cc
blob: 38554435d10dc67adcd4483912e8892f7bba896e [file] [log] [blame]
// 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 <memory>
#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/debug/crash_logging.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/location.h"
#include "base/memory/ptr_util.h"
#include "base/metrics/field_trial.h"
#include "base/metrics/histogram_macros.h"
#include "base/process/kill.h"
#include "base/process/process.h"
#include "base/single_thread_task_runner.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/sys_info.h"
#include "base/threading/thread_task_runner_handle.h"
#include "base/time/time.h"
#include "base/trace_event/trace_event.h"
#include "build/build_config.h"
#include "cc/base/switches.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/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/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/input_messages.h"
#include "content/common/page_messages.h"
#include "content/common/render_message_filter.mojom.h"
#include "content/common/site_isolation_policy.h"
#include "content/common/view_messages.h"
#include "content/public/common/bindings_policy.h"
#include "content/public/common/browser_side_navigation_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/page_importance_signals.h"
#include "content/public/common/page_state.h"
#include "content/public/common/page_zoom.h"
#include "content/public/common/three_d_api_types.h"
#include "content/public/common/url_constants.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/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/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_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/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/FilePathConversion.h"
#include "third_party/WebKit/public/platform/URLConversion.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/WebFormControlElement.h"
#include "third_party/WebKit/public/web/WebFormElement.h"
#include "third_party/WebKit/public/web/WebFrame.h"
#include "third_party/WebKit/public/web/WebFrameContentDumper.h"
#include "third_party/WebKit/public/web/WebFrameWidget.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/WebRange.h"
#include "third_party/WebKit/public/web/WebRenderTheme.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/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/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 "url/url_constants.h"
#include "v8/include/v8.h"
#if defined(OS_ANDROID)
#include <cpu-features.h>
#include "base/android/build_info.h"
#include "content/renderer/android/address_detector.h"
#include "content/renderer/android/content_detector.h"
#include "content/renderer/android/disambiguation_popup_helper.h"
#include "content/renderer/android/email_detector.h"
#include "content/renderer/android/phone_number_detector.h"
#include "ui/gfx/geometry/rect_f.h"
#elif defined(OS_MACOSX)
#include "skia/ext/skia_utils_mac.h"
#endif
#if defined(ENABLE_PLUGINS)
#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::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::WebFormControlElement;
using blink::WebFormElement;
using blink::WebFrame;
using blink::WebFrameContentDumper;
using blink::WebGestureEvent;
using blink::WebHistoryItem;
using blink::WebHTTPBody;
using blink::WebHitTestResult;
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::WebPoint;
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;
namespace content {
//-----------------------------------------------------------------------------
typedef std::map<blink::WebView*, RenderViewImpl*> ViewMap;
static base::LazyInstance<ViewMap> g_view_map = LAZY_INSTANCE_INITIALIZER;
typedef std::map<int32_t, 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(
blink::WebStringToGURL(request.httpHeaderField(
WebString::fromUTF8("Referer"))),
request.referrerPolicy());
}
// static
WindowOpenDisposition RenderViewImpl::NavigationPolicyToDisposition(
WebNavigationPolicy policy) {
switch (policy) {
case blink::WebNavigationPolicyIgnore:
return WindowOpenDisposition::IGNORE_ACTION;
case blink::WebNavigationPolicyDownload:
return WindowOpenDisposition::SAVE_TO_DISK;
case blink::WebNavigationPolicyCurrentTab:
return WindowOpenDisposition::CURRENT_TAB;
case blink::WebNavigationPolicyNewBackgroundTab:
return WindowOpenDisposition::NEW_BACKGROUND_TAB;
case blink::WebNavigationPolicyNewForegroundTab:
return WindowOpenDisposition::NEW_FOREGROUND_TAB;
case blink::WebNavigationPolicyNewWindow:
return WindowOpenDisposition::NEW_WINDOW;
case blink::WebNavigationPolicyNewPopup:
return WindowOpenDisposition::NEW_POPUP;
default:
NOTREACHED() << "Unexpected WebNavigationPolicy";
return WindowOpenDisposition::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]));
}
///////////////////////////////////////////////////////////////////////////////
namespace {
WebDragData DropMetaDataToWebDragData(
const std::vector<DropData::Metadata>& drop_meta_data) {
std::vector<WebDragData::Item> item_list;
for (const auto& meta_data_item : drop_meta_data) {
if (meta_data_item.kind == DropData::Kind::STRING) {
WebDragData::Item item;
item.storageType = WebDragData::Item::StorageTypeString;
item.stringType = meta_data_item.mime_type;
// Have to pass a dummy URL here instead of an empty URL because the
// DropData received by browser_plugins goes through a round trip:
// DropData::MetaData --> WebDragData-->DropData. In the end, DropData
// will contain an empty URL (which means no URL is dragged) if the URL in
// WebDragData is empty.
if (base::EqualsASCII(meta_data_item.mime_type,
ui::Clipboard::kMimeTypeURIList)) {
item.stringData = WebString::fromUTF8("about:dragdrop-placeholder");
}
item_list.push_back(item);
continue;
}
// TODO(hush): crbug.com/584789. Blink needs to support creating a file with
// just the mimetype. This is needed to drag files to WebView on Android
// platform.
if ((meta_data_item.kind == DropData::Kind::FILENAME) &&
!meta_data_item.filename.empty()) {
WebDragData::Item item;
item.storageType = WebDragData::Item::StorageTypeFilename;
item.filenameData = meta_data_item.filename.AsUTF16Unsafe();
item_list.push_back(item);
continue;
}
if (meta_data_item.kind == DropData::Kind::FILESYSTEMFILE) {
WebDragData::Item item;
item.storageType = WebDragData::Item::StorageTypeFileSystemFile;
item.fileSystemURL = meta_data_item.file_system_url;
item_list.push_back(item);
continue;
}
}
WebDragData result;
result.initialize();
result.setItems(item_list);
return result;
}
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);
}
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_t 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)));
}
}
WebSettings::V8CacheStrategiesForCacheStorage
GetV8CacheStrategiesForCacheStorage() {
const base::CommandLine& command_line =
*base::CommandLine::ForCurrentProcess();
std::string v8_cache_strategies = command_line.GetSwitchValueASCII(
switches::kV8CacheStrategiesForCacheStorage);
if (v8_cache_strategies.empty()) {
v8_cache_strategies =
base::FieldTrialList::FindFullName("V8CacheStrategiesForCacheStorage");
}
if (base::StartsWith(v8_cache_strategies, "none",
base::CompareCase::SENSITIVE)) {
return WebSettings::V8CacheStrategiesForCacheStorage::None;
} else if (base::StartsWith(v8_cache_strategies, "normal",
base::CompareCase::SENSITIVE)) {
return WebSettings::V8CacheStrategiesForCacheStorage::Normal;
} else if (base::StartsWith(v8_cache_strategies, "aggressive",
base::CompareCase::SENSITIVE)) {
return WebSettings::V8CacheStrategiesForCacheStorage::Aggressive;
} else {
return WebSettings::V8CacheStrategiesForCacheStorage::Default;
}
}
// This class represents promise which is robust to (will not be broken by)
// |DidNotSwapReason::SWAP_FAILS| events.
class AlwaysDrawSwapPromise : public cc::SwapPromise {
public:
explicit AlwaysDrawSwapPromise(const ui::LatencyInfo& latency_info)
: latency_info_(latency_info) {}
~AlwaysDrawSwapPromise() override = default;
void DidActivate() override {}
void DidSwap(cc::CompositorFrameMetadata* metadata) override {
DCHECK(!latency_info_.terminated());
metadata->latency_info.push_back(latency_info_);
}
DidNotSwapAction DidNotSwap(DidNotSwapReason reason) override {
return reason == DidNotSwapReason::SWAP_FAILS
? DidNotSwapAction::KEEP_ACTIVE
: DidNotSwapAction::BREAK_PROMISE;
}
void OnCommit() override {}
int64_t TraceId() const override { return latency_info_.trace_id(); }
private:
ui::LatencyInfo latency_info_;
};
} // 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),
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
top_controls_shrink_blink_size_(false),
top_controls_height_(0.f),
webview_(nullptr),
has_scrolled_focused_editable_node_into_rect_(false),
page_zoom_level_(params.page_zoom_level),
main_render_frame_(nullptr),
frame_widget_(nullptr),
speech_recognition_dispatcher_(NULL),
#if defined(OS_ANDROID)
expected_content_intent_id_(0),
#endif
enumeration_completion_id_(0),
session_storage_namespace_id_(params.session_storage_namespace_id),
has_added_input_handler_(false) {
GetWidget()->set_owner_delegate(this);
}
void RenderViewImpl::Initialize(const ViewMsg_New_Params& params,
bool was_created_by_renderer) {
SetRoutingID(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);
webview_ =
WebView::create(this, is_hidden() ? blink::WebPageVisibilityStateHidden
: blink::WebPageVisibilityStateVisible);
RenderWidget::DoInit(MSG_ROUTING_NONE, webview_->widget(), nullptr);
g_view_map.Get().insert(std::make_pair(webview(), this));
g_routing_id_view_map.Get().insert(std::make_pair(GetRoutingID(), this));
const base::CommandLine& command_line =
*base::CommandLine::ForCurrentProcess();
if (command_line.HasSwitch(switches::kStatsCollectionController))
stats_collection_observer_.reset(new StatsCollectionObserver(this));
// Debug cases of https://crbug.com/575245.
base::debug::SetCrashKeyValue("rvinit_view_id",
base::IntToString(GetRoutingID()));
base::debug::SetCrashKeyValue("rvinit_proxy_id",
base::IntToString(params.proxy_routing_id));
base::debug::SetCrashKeyValue(
"rvinit_main_frame_id", base::IntToString(params.main_frame_routing_id));
webview()->setDisplayMode(display_mode_);
webview()->settings()->setPreferCompositingToLCDTextEnabled(
PreferCompositingToLCDText(compositor_deps_, device_scale_factor_));
webview()->settings()->setThreadedScrollingEnabled(
!command_line.HasSwitch(switches::kDisableThreadedScrolling));
webview()->setShowFPSCounter(
command_line.HasSwitch(cc::switches::kShowFPSCounter));
if (auto overridden_color_profile =
GetContentClient()->renderer()->GetImageDecodeColorProfile()) {
webview()->setDeviceColorProfile(overridden_color_profile->GetData());
} else {
webview()->setDeviceColorProfile(params.image_decode_color_space.GetData());
}
ApplyWebPreferencesInternal(webkit_preferences_, webview(), compositor_deps_);
if (switches::IsTouchDragDropEnabled())
webview()->settings()->setTouchDragDropEnabled(true);
webview()->settings()->setBrowserSideNavigationEnabled(
IsBrowserSideNavigationEnabled());
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);
std::string passiveListenersDefault =
command_line.GetSwitchValueASCII(switches::kPassiveListenersDefault);
if (!passiveListenersDefault.empty()) {
WebSettings::PassiveEventListenerDefault passiveDefault =
WebSettings::PassiveEventListenerDefault::False;
if (passiveListenersDefault == "true")
passiveDefault = WebSettings::PassiveEventListenerDefault::True;
else if (passiveListenersDefault == "forcealltrue")
passiveDefault = WebSettings::PassiveEventListenerDefault::ForceAllTrue;
webview()->settings()->setPassiveEventListenerDefault(passiveDefault);
}
ApplyBlinkSettings(command_line, webview()->settings());
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_, opener_frame);
}
if (params.proxy_routing_id != MSG_ROUTING_NONE) {
CHECK(params.swapped_out);
RenderFrameProxy::CreateFrameProxy(
params.proxy_routing_id, GetRoutingID(), params.opener_frame_route_id,
MSG_ROUTING_NONE, params.replicated_frame_state);
}
if (main_render_frame_)
main_render_frame_->Initialize();
#if defined(OS_ANDROID)
content_detectors_.push_back(base::MakeUnique<AddressDetector>());
const std::string& contry_iso =
params.renderer_preferences.network_contry_iso;
if (!contry_iso.empty()) {
content_detectors_.push_back(
base::MakeUnique<PhoneNumberDetector>(contry_iso));
}
content_detectors_.push_back(base::MakeUnique<EmailDetector>());
#endif
// 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;
// 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();
UpdateWebViewWithDeviceScaleFactor();
OnSetRendererPrefs(params.renderer_preferences);
if (!params.enable_auto_resize) {
OnResize(params.initial_size);
} else {
OnEnableAutoResize(params.min_size, params.max_size);
}
// 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);
// Ensure that sandbox flags are inherited from an opener in a different
// process. In that case, the browser process will set any inherited sandbox
// flags in |replicated_frame_state|, so apply them here.
if (!was_created_by_renderer && webview()->mainFrame()->isWebLocalFrame()) {
webview()->mainFrame()->toWebLocalFrame()->forceSandboxFlags(
params.replicated_frame_state.sandbox_flags);
}
page_zoom_level_ = params.page_zoom_level;
}
RenderViewImpl::~RenderViewImpl() {
DCHECK(!frame_widget_);
for (BitmapMap::iterator it = disambiguation_bitmaps_.begin();
it != disambiguation_bitmaps_.end();
++it)
delete it->second;
#if defined(OS_ANDROID)
// The date/time picker client is both a std::unique_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_t 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->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);
settings->setXSSAuditorEnabled(prefs.xss_auditor_enabled);
settings->setDNSPrefetchingEnabled(prefs.dns_prefetching_enabled);
settings->setDataSaverEnabled(prefs.data_saver_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->setHistoryEntryRequiresUserGesture(
prefs.history_entry_requires_user_gesture);
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 experimental WebGL support if requested on command line
// and support is compiled in.
settings->setExperimentalWebGLEnabled(prefs.experimental_webgl_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);
settings->setHideScrollbars(prefs.hide_scrollbars);
// Enable gpu-accelerated 2d canvas if requested on the command line.
WebRuntimeFeatures::enableAccelerated2dCanvas(
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);
WebRuntimeFeatures::forceDisable2dCanvasCopyOnWrite(
prefs.disable_2d_canvas_copy_on_write);
// Disable 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);
// 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->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->setAllowGeolocationOnInsecureOrigins(
prefs.allow_geolocation_on_insecure_origins);
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);
WebRuntimeFeatures::enableColorCorrectRendering(
prefs.color_correct_rendering_enabled);
settings->setShouldRespectImageOrientation(
prefs.should_respect_image_orientation);
settings->setEditingBehavior(
static_cast<WebSettings::EditingBehavior>(prefs.editing_behavior));
settings->setSupportsMultipleWindows(prefs.supports_multiple_windows);
settings->setInertVisualViewport(prefs.inert_visual_viewport);
settings->setMainFrameClipsContent(!prefs.record_whole_document);
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->setV8CacheStrategiesForCacheStorage(
GetV8CacheStrategiesForCacheStorage());
settings->setImageAnimationPolicy(
static_cast<WebSettings::ImageAnimationPolicy>(prefs.animation_policy));
settings->setPresentationRequiresUserGesture(
prefs.user_gesture_required_for_presentation);
settings->setTextTrackMarginPercentage(prefs.text_track_margin_percentage);
// 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->setShouldReuseGlobalForUnownedMainFrame(
prefs.resue_global_for_unowned_main_frame);
settings->setProgressBarCompletion(
static_cast<WebSettings::ProgressBarCompletion>(
prefs.progress_bar_completion));
settings->setPreferHiddenVolumeControls(true);
// Force preload=none and disable autoplay on older or low end Android
// platforms because their media pipelines are not stable enough to handle
// concurrent elements. See http://crbug.com/612909, http://crbug.com/622826.
const bool is_low_end_device =
base::android::BuildInfo::GetInstance()->sdk_int() <=
base::android::SDK_VERSION_JELLY_BEAN_MR2 ||
base::SysInfo::IsLowEndDevice();
settings->setForcePreloadNoneForMediaElements(is_low_end_device);
WebRuntimeFeatures::enableAutoplayMutedVideos(
prefs.autoplay_muted_videos_enabled && !is_low_end_device);
#endif
settings->setAutoplayExperimentMode(
blink::WebString::fromUTF8(prefs.autoplay_experiment_mode));
settings->setViewportEnabled(prefs.viewport_enabled);
settings->setViewportMetaEnabled(prefs.viewport_meta_enabled);
settings->setShrinksViewportContentToFit(
prefs.shrinks_viewport_contents_to_fit);
settings->setViewportStyle(
static_cast<blink::WebViewportStyle>(prefs.viewport_style));
settings->setLoadWithOverviewMode(prefs.initialize_at_minimum_page_scale);
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);
settings->setAlwaysShowContextMenuOnTouch(
prefs.always_show_context_menu_on_touch);
#if defined(OS_MACOSX)
settings->setDoubleTapToZoomEnabled(true);
web_view->setMaximumLegibleScale(prefs.default_maximum_page_scale_factor);
#endif
#if defined(OS_WIN)
WebRuntimeFeatures::enableMiddleClickAutoscroll(true);
#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 webview_;
}
#if defined(ENABLE_PLUGINS)
#if defined(OS_MACOSX)
void RenderViewImpl::OnGetRenderedText() {
if (!webview())
return;
if (!webview()->mainFrame()->isWebLocalFrame())
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;
// TODO(dglazkov): Using this API is wrong. It's not OOPIF-compatible and
// sends text in the wrong order. See http://crbug.com/584798.
// TODO(dglazkov): WebFrameContentDumper should only be used for
// testing purposes. See http://crbug.com/585164.
std::string text =
WebFrameContentDumper::dumpWebViewAsText(webview(), kMaximumMessageSize)
.utf8();
Send(new ViewMsg_GetRenderedTextCompleted(GetRoutingID(), text));
}
#endif // defined(OS_MACOSX)
#endif // ENABLE_PLUGINS
void RenderViewImpl::TransferActiveWheelFlingAnimation(
const blink::WebActiveWheelFlingParameters& params) {
if (webview())
webview()->transferActiveWheelFlingAnimation(params);
}
// RenderWidgetInputHandlerDelegate -----------------------------------------
void RenderViewImpl::RenderWidgetFocusChangeComplete() {
FOR_EACH_OBSERVER(RenderViewObserver, observers_, FocusChangeComplete());
}
bool RenderViewImpl::DoesRenderWidgetHaveTouchEventHandlersAt(
const gfx::Point& point) const {
if (!webview())
return false;
return webview()->hasTouchEventHandlersAt(point);
}
bool RenderViewImpl::RenderWidgetWillHandleGestureEvent(
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::RenderWidgetWillHandleMouseEvent(
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 the mouse is locked, only the current owner of the mouse lock can
// process mouse events.
return mouse_lock_dispatcher_->WillHandleMouseEvent(event);
}
// IPC::Listener implementation ----------------------------------------------
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(ViewMsg_SetPageScale, OnSetPageScale)
IPC_MESSAGE_HANDLER(ViewMsg_Zoom, OnZoom)
IPC_MESSAGE_HANDLER(ViewMsg_SetZoomLevelForLoadingURL,
OnSetZoomLevelForLoadingURL)
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_ClosePage, OnClosePage)
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)
IPC_MESSAGE_HANDLER(ViewMsg_ReleaseDisambiguationPopupBitmap,
OnReleaseDisambiguationPopupBitmap)
IPC_MESSAGE_HANDLER(ViewMsg_ForceRedraw, OnForceRedraw)
IPC_MESSAGE_HANDLER(ViewMsg_SelectWordAroundCaret, OnSelectWordAroundCaret)
// Page messages.
IPC_MESSAGE_HANDLER(PageMsg_UpdateWindowScreenRect,
OnUpdateWindowScreenRect)
IPC_MESSAGE_HANDLER(PageMsg_SetZoomLevel, OnSetZoomLevel)
IPC_MESSAGE_HANDLER(PageMsg_SetDeviceScaleFactor, OnSetDeviceScaleFactor);
IPC_MESSAGE_HANDLER(PageMsg_WasHidden, OnPageWasHidden)
IPC_MESSAGE_HANDLER(PageMsg_WasShown, OnPageWasShown)
IPC_MESSAGE_HANDLER(PageMsg_SetHistoryOffsetAndLength,
OnSetHistoryOffsetAndLength)
#if defined(OS_ANDROID)
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_Close, OnClose)
#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;
input_handler_->set_handling_input_event(true);
webview()->focusedFrame()->selectWordAroundCaret();
input_handler_->set_handling_input_event(false);
}
void RenderViewImpl::OnUpdateTargetURLAck() {
// Check if there is a targeturl waiting to be sent.
if (target_url_status_ == TARGET_PENDING)
Send(new ViewHostMsg_UpdateTargetURL(GetRoutingID(), 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(GetRoutingID()));
webview()->focusedFrame()->moveCaretSelection(
ConvertWindowPointToViewport(point));
}
void RenderViewImpl::OnScrollFocusedEditableNodeIntoRect(
const gfx::Rect& rect) {
if (has_scrolled_focused_editable_node_into_rect_ &&
rect == rect_for_scrolled_focused_editable_node_) {
GetWidget()->FocusChangeComplete();
return;
}
if (!webview()->scrollFocusedEditableElementIntoRect(rect))
return;
rect_for_scrolled_focused_editable_node_ = rect;
has_scrolled_focused_editable_node_into_rect_ = true;
if (!compositor()->hasPendingPageScaleAnimation())
GetWidget()->FocusChangeComplete();
}
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);
}
void RenderViewImpl::OnUpdateWindowScreenRect(gfx::Rect window_screen_rect) {
RenderWidget::OnUpdateWindowScreenRect(window_screen_rect);
}
///////////////////////////////////////////////////////////////////////////////
void RenderViewImpl::SendUpdateState() {
// We don't use this path in OOPIF-enabled modes.
DCHECK(!SiteIsolationPolicy::UseSubframeNavigationEntries());
HistoryEntry* entry = history_controller_->GetCurrentEntry();
if (!entry)
return;
Send(new ViewHostMsg_UpdateState(GetRoutingID(), 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);
}
void RenderViewImpl::OnForceRedraw(const ui::LatencyInfo& latency_info) {
if (RenderWidgetCompositor* rwc = compositor()) {
rwc->QueueSwapPromise(
base::MakeUnique<AlwaysDrawSwapPromise>(latency_info));
}
ScheduleCompositeWithForcedRedraw();
}
// blink::WebViewClient ------------------------------------------------------
WebView* RenderViewImpl::createView(WebLocalFrame* creator,
const WebURLRequest& request,
const WebWindowFeatures& features,
const WebString& frame_name,
WebNavigationPolicy policy,
bool suppress_opener) {
mojom::CreateNewWindowParamsPtr params = mojom::CreateNewWindowParams::New();
params->opener_id = GetRoutingID();
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 =
blink::WebStringToGURL(creator->top()->getSecurityOrigin().toString());
}
GURL security_url(blink::WebStringToGURL(
creator->document().getSecurityOrigin().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;
// We preserve this information before sending the message since |params| is
// moved on send.
bool is_background_tab =
params->disposition == WindowOpenDisposition::NEW_BACKGROUND_TAB;
bool opened_by_user_gesture = params->user_gesture;
mojom::CreateNewWindowReplyPtr reply;
RenderThreadImpl::current_render_message_filter()->CreateNewWindow(
std::move(params), &reply);
if (reply->route_id == MSG_ROUTING_NONE)
return nullptr;
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;
ResizeParams initial_size = ResizeParams();
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(GetRoutingID(), 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 = is_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();
view_params.page_zoom_level = page_zoom_level_;
RenderViewImpl* view =
RenderViewImpl::Create(compositor_deps_, view_params, true);
view->opened_by_user_gesture_ = opened_by_user_gesture;
return view->webview();
}
WebWidget* RenderViewImpl::createPopupMenu(blink::WebPopupType popup_type) {
RenderWidget* widget = RenderWidget::Create(GetRoutingID(), compositor_deps_,
popup_type, screen_info_);
if (!widget)
return NULL;
if (screen_metrics_emulator_) {
widget->SetPopupOriginAdjustmentsForEmulation(
screen_metrics_emulator_.get());
}
return widget->GetWebWidget();
}
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, input_handler().handling_input_event()));
}
bool RenderViewImpl::enumerateChosenDirectory(
const WebString& path,
WebFileChooserCompletion* chooser_completion) {
int id = enumeration_completion_id_++;
enumeration_completions_[id] = chooser_completion;
return Send(new ViewHostMsg_EnumerateDirectory(
GetRoutingID(), id, blink::WebStringToFilePath(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::WebFrameWidget* frame_widget) {
// The previous WebFrameWidget must already be detached by CloseForFrame().
DCHECK(!frame_widget_);
frame_widget_ = frame_widget;
}
void RenderViewImpl::SetZoomLevel(double zoom_level) {
// If we change the zoom level for the view, make sure any subsequent subframe
// loads reflect the current zoom level.
page_zoom_level_ = zoom_level;
webview()->setZoomLevel(zoom_level);
FOR_EACH_OBSERVER(RenderViewObserver, observers_, OnZoomLevelChanged());
}
void RenderViewImpl::didCancelCompositionOnSelectionChange() {
Send(new InputHostMsg_ImeCancelComposition(GetRoutingID()));
}
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(
GetRoutingID(), AdjustValidationMessageAnchor(anchor_in_viewport),
wrapped_main_text, wrapped_sub_text));
}
void RenderViewImpl::hideValidationMessage() {
Send(new ViewHostMsg_HideValidationMessage(GetRoutingID()));
}
void RenderViewImpl::moveValidationMessage(
const blink::WebRect& anchor_in_viewport) {
Send(new ViewHostMsg_MoveValidationMessage(
GetRoutingID(), 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 |kMaxURLChars| cannot be sent through IPC -
// see |ParamTraits<GURL>|.
if (latest_url.possibly_invalid_spec().size() > url::kMaxURLChars)
latest_url = GURL();
Send(new ViewHostMsg_UpdateTargetURL(GetRoutingID(), 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) {
blink::WebRect offset_in_window(webImageOffset.x, webImageOffset.y, 0, 0);
ConvertViewportToWindowViaWidget(&offset_in_window);
DropData drop_data(DropDataBuilder::Build(data));
drop_data.referrer_policy = frame->document().referrerPolicy();
gfx::Vector2d imageOffset(offset_in_window.x, offset_in_window.y);
Send(new DragHostMsg_StartDragging(GetRoutingID(), 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(GetRoutingID(), false));
}
void RenderViewImpl::focusPrevious() {
Send(new ViewHostMsg_TakeFocus(GetRoutingID(), 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();
ConvertViewportToWindowViaWidget(&rect);
node_bounds = gfx::Rect(rect);
is_editable = element.isEditable();
}
Send(new ViewHostMsg_FocusedNodeChanged(GetRoutingID(), 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(GetRoutingID(), 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(GetRoutingID()));
}
}
// 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_, GetRoutingID(),
NavigationPolicyToDisposition(policy),
initial_rect_, opened_by_user_gesture_));
SetPendingWindowRect(initial_rect_);
}
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(
GetRoutingID(), 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)
// 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)
return;
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(
GetRoutingID(), rwc->GetInputHandler(), AsWeakPtr(),
webkit_preferences_.enable_scroll_animator);
has_added_input_handler_ = true;
}
}
void RenderViewImpl::closeWidgetSoon() {
RenderWidget::closeWidgetSoon();
}
void RenderViewImpl::convertViewportToWindow(blink::WebRect* rect) {
RenderWidget::convertViewportToWindow(rect);
}
void RenderViewImpl::convertWindowToViewport(blink::WebFloatRect* rect) {
RenderWidget::convertWindowToViewport(rect);
}
void RenderViewImpl::didAutoResize(const blink::WebSize& newSize) {
RenderWidget::DidAutoResize(newSize);
}
void RenderViewImpl::didOverscroll(
const blink::WebFloatSize& overscrollDelta,
const blink::WebFloatSize& accumulatedOverscroll,
const blink::WebFloatPoint& positionInViewport,
const blink::WebFloatSize& velocityInViewport) {
RenderWidget::didOverscroll(overscrollDelta, accumulatedOverscroll,
positionInViewport, velocityInViewport);
}
void RenderViewImpl::hasTouchEventHandlers(bool has_handlers) {
RenderWidget::hasTouchEventHandlers(has_handlers);
}
void RenderViewImpl::resetInputMethod() {
RenderWidget::resetInputMethod();
}
blink::WebRect RenderViewImpl::rootWindowRect() {
return RenderWidget::RootWindowRect();
}
blink::WebScreenInfo RenderViewImpl::screenInfo() {
return RenderWidget::screenInfo();
}
void RenderViewImpl::setToolTipText(const blink::WebString& text,
blink::WebTextDirection hint) {
RenderWidget::setToolTipText(text, hint);
}
void RenderViewImpl::setTouchAction(blink::WebTouchAction touchAction) {
RenderWidget::setTouchAction(touchAction);
}
void RenderViewImpl::showImeIfNeeded() {
RenderWidget::showImeIfNeeded();
}
void RenderViewImpl::showUnhandledTapUIIfNeeded(
const blink::WebPoint& tappedPosition,
const blink::WebNode& tappedNode,
bool pageChanged) {
RenderWidget::showUnhandledTapUIIfNeeded(tappedPosition, tappedNode,
pageChanged);
}
blink::WebWidgetClient* RenderViewImpl::widgetClient() {
return static_cast<RenderWidget*>(this);
}
// blink::WebFrameClient -----------------------------------------------------
void RenderViewImpl::Repaint(const gfx::Size& size) {
OnRepaint(size);
}
void RenderViewImpl::SetEditCommandForNextKeyEvent(const std::string& name,
const std::string& value) {
GetWidget()->SetEditCommandForNextKeyEvent(name, value);
}
void RenderViewImpl::ClearEditCommands() {
GetWidget()->ClearEditCommands();
}
const std::string& RenderViewImpl::GetAcceptLanguages() const {
return renderer_preferences_.accept_languages;
}
void RenderViewImpl::ConvertViewportToWindowViaWidget(blink::WebRect* rect) {
convertViewportToWindow(rect);
}
gfx::RectF RenderViewImpl::ElementBoundsInWindow(
const blink::WebElement& element) {
blink::WebRect bounding_box_in_window = element.boundsInViewport();
ConvertViewportToWindowViaWidget(&bounding_box_in_window);
return gfx::RectF(bounding_box_in_window);
}
bool RenderViewImpl::HasAddedInputHandler() const {
return has_added_input_handler_;
}
gfx::Point RenderViewImpl::ConvertWindowPointToViewport(
const gfx::Point& point) {
blink::WebFloatRect point_in_viewport(point.x(), point.y(), 0, 0);
convertWindowToViewport(&point_in_viewport);
return gfx::Point(point_in_viewport.x, point_in_viewport.y);
}
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(GetRoutingID(),
preferred_size_));
}
blink::WebString RenderViewImpl::acceptLanguages() {
return WebString::fromUTF8(renderer_preferences_.accept_languages);
}
// RenderView implementation ---------------------------------------------------
bool RenderViewImpl::Send(IPC::Message* message) {
return RenderWidget::Send(message);
}
RenderWidget* RenderViewImpl::GetWidget() const {
return const_cast<RenderWidget*>(static_cast<const RenderWidget*>(this));
}
RenderFrameImpl* RenderViewImpl::GetMainRenderFrame() {
return main_render_frame_;
}
int RenderViewImpl::GetRoutingID() const {
return routing_id();
}
gfx::Size RenderViewImpl::GetSize() const {
return size();
}
float RenderViewImpl::GetDeviceScaleFactor() const {
return device_scale_factor_;
}
WebPreferences& RenderViewImpl::GetWebkitPreferences() {
return webkit_preferences_;
}
void RenderViewImpl::SetWebkitPreferences(const WebPreferences& preferences) {
OnUpdateWebPreferences(preferences);
}
blink::WebView* RenderViewImpl::GetWebView() {
return webview();
}
blink::WebFrameWidget* RenderViewImpl::GetWebFrameWidget() {
return frame_widget_;
}
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_;
}
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) {
// TODO(wjmaclean): We should see if this restriction is really necessary,
// since it isn't enforced in other parts of the page zoom system (e.g.
// when a users changes the zoom of a currently displayed page). Android
// has no UI for this, so in theory the following code would normally just use
// the default zoom anyways.
#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::OnSetZoomLevel(
PageMsg_SetZoomLevel_Command command,
double zoom_level) {
switch (command) {
case PageMsg_SetZoomLevel_Command::CLEAR_TEMPORARY:
uses_temporary_zoom_level_ = false;
break;
case PageMsg_SetZoomLevel_Command::SET_TEMPORARY:
uses_temporary_zoom_level_ = true;
break;
case PageMsg_SetZoomLevel_Command::USE_CURRENT_TEMPORARY_MODE:
// Don't override a temporary zoom level without an explicit SET.
if (uses_temporary_zoom_level_)
return;
break;
default:
NOTIMPLEMENTED();
}
webview()->hidePopups();
SetZoomLevel(zoom_level);
}
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);
}
enabled_bindings_ |= enabled_bindings_flags;
// Keep track of the total bindings accumulated in this process.
RenderProcess::current()->AddBindings(enabled_bindings_flags);
if (main_render_frame_)
main_render_frame_->MaybeEnableMojoBindings();
}
void RenderViewImpl::OnDragTargetDragEnter(
const std::vector<DropData::Metadata>& drop_meta_data,
const gfx::Point& client_point,
const gfx::Point& screen_point,
WebDragOperationsMask ops,
int key_modifiers) {
WebDragOperation operation = webview()->dragTargetDragEnter(
DropMetaDataToWebDragData(drop_meta_data), client_point, screen_point,
ops, key_modifiers);
Send(new DragHostMsg_UpdateDragCursor(GetRoutingID(), operation));
}
void RenderViewImpl::OnDragTargetDragOver(const gfx::Point& client_point,
const gfx::Point& screen_point,
WebDragOperationsMask ops,
int key_modifiers) {
WebDragOperation operation = webview()->dragTargetDragOver(
ConvertWindowPointToViewport(client_point),
screen_point,
ops,
key_modifiers);
Send(new DragHostMsg_UpdateDragCursor(GetRoutingID(), operation));
}
void RenderViewImpl::OnDragTargetDragLeave() {
webview()->dragTargetDragLeave();
}
void RenderViewImpl::OnDragTargetDrop(const DropData& drop_data,
const gfx::Point& client_point,
const gfx::Point& screen_point,
int key_modifiers) {
webview()->dragTargetDrop(DropDataToWebDragData(drop_data),
ConvertWindowPointToViewport(client_point),
screen_point, key_modifiers);
}
void RenderViewImpl::OnDragSourceEnded(const gfx::Point& client_point,
const gfx::Point& screen_point,
WebDragOperation op) {
webview()->dragSourceEndedAt(
ConvertWindowPointToViewport(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::OnEnableAutoResize(const gfx::Size& min_size,
const gfx::Size& max_size) {
DCHECK(disable_scrollbars_size_limit_.IsEmpty());
if (!webview())
return;
auto_resize_mode_ = true;
if (IsUseZoomForDSFEnabled()) {
webview()->enableAutoResizeMode(
gfx::ScaleToCeiledSize(min_size, device_scale_factor_),
gfx::ScaleToCeiledSize(max_size, device_scale_factor_));
} else {
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()) {
ResizeParams resize_params;
resize_params.screen_info = screen_info_;
resize_params.new_size = new_size;
resize_params.physical_backing_size = physical_backing_size_;
resize_params.top_controls_shrink_blink_size =
top_controls_shrink_blink_size_;
resize_params.top_controls_height = top_controls_height_;
resize_params.visible_viewport_size = visible_viewport_size_;
resize_params.resizer_rect = resizer_rect_;
resize_params.is_fullscreen_granted = is_fullscreen_granted();
resize_params.display_mode = display_mode_;
resize_params.needs_resize_ack = false;
Resize(resize_params);
}
}
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) {
std::string old_accept_languages = renderer_preferences_.accept_languages;
renderer_preferences_ = renderer_prefs;
UpdateFontRenderingFromRendererPrefs();
UpdateThemePrefs();
blink::setCaretBlinkInterval(renderer_prefs.caret_blink_interval);
#if defined(USE_DEFAULT_RENDER_THEME)
if (renderer_prefs.use_custom_colors) {
blink::setFocusRingColor(renderer_prefs.focus_ring_color);
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 (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::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(GetRoutingID()));
}
void RenderViewImpl::OnClose() {
if (closing_)
RenderThread::Get()->Send(new ViewHostMsg_Close_ACK(GetRoutingID()));
RenderWidget::OnClose();
}
void RenderViewImpl::OnMoveOrResizeStarted() {
if (webview())
webview()->hidePopups();
}
void RenderViewImpl::ResizeWebWidget() {
webview()->resizeWithTopControls(GetSizeForWebWidget(),
top_controls_height_,
top_controls_shrink_blink_size_);
}
void RenderViewImpl::OnResize(const ResizeParams& params) {
TRACE_EVENT0("renderer", "RenderViewImpl::OnResize");
if (webview()) {
webview()->hidePopups();
if (send_preferred_size_changes_ &&
webview()->mainFrame()->isWebLocalFrame()) {
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_;
top_controls_shrink_blink_size_ = params.top_controls_shrink_blink_size;
top_controls_height_ = params.top_controls_height;
RenderWidget::OnResize(params);
if (old_visible_viewport_size != visible_viewport_size_)
has_scrolled_focused_editable_node_into_rect_ = false;
}
void RenderViewImpl::RenderWidgetDidFlushPaint() {
// 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);
}
}
}
void RenderViewImpl::OnClearFocusedElement() {
if (webview())
webview()->clearFocusedElement();
}
void RenderViewImpl::OnSetBackgroundOpaque(bool opaque) {
if (frame_widget_)
frame_widget_->setIsTransparent(!opaque);
if (compositor_)
compositor_->setHasTransparentBackground(!opaque);
}
void RenderViewImpl::OnSetActive(bool active) {
if (webview())
webview()->setIsActive(active);
}
blink::WebWidget* RenderViewImpl::GetWebWidget() const {
if (frame_widget_)
return frame_widget_;
return RenderWidget::GetWebWidget();
}
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();
webview_ = nullptr;
g_view_map.Get().erase(doomed);
g_routing_id_view_map.Get().erase(GetRoutingID());
RenderThread::Get()->Send(new ViewHostMsg_Close_ACK(GetRoutingID()));
}
void RenderViewImpl::OnPageWasHidden() {
#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()) {
// TODO(lfg): It's not correct to defer the page visibility to the main
// frame. Currently, this is done because the main frame may override the
// visibility of the page when prerendering. In order to fix this,
// prerendering must be made aware of OOPIFs. https://crbug.com/440544
blink::WebPageVisibilityState visibilityState =
GetMainRenderFrame() ? GetMainRenderFrame()->visibilityState()
: blink::WebPageVisibilityStateHidden;
webview()->setVisibilityState(visibilityState, false);
}
}
void RenderViewImpl::OnPageWasShown() {
#if defined(OS_ANDROID) && defined(ENABLE_WEBRTC)
RenderThreadImpl::current()->video_capture_impl_manager()->
SuspendDevices(false);
#endif
if (webview()) {
blink::WebPageVisibilityState visibilityState =
GetMainRenderFrame() ? GetMainRenderFrame()->visibilityState()
: blink::WebPageVisibilityStateVisible;
webview()->setVisibilityState(visibilityState, false);
}
}
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) {
RenderWidget::OnSetFocus(enable);
// Notify all BrowserPlugins of the RenderView's focus state.
if (BrowserPluginManager::Get())
BrowserPluginManager::Get()->UpdateFocusState();
}
void RenderViewImpl::RenderWidgetDidSetColorProfile(
const std::vector<char>& profile) {
if (webview()) {
WebVector<char> colorProfile = profile;
webview()->setDeviceColorProfile(colorProfile);
}
}
void RenderViewImpl::DidCompletePageScaleAnimation() {
GetWidget()->FocusChangeComplete();
}
void RenderViewImpl::OnDeviceScaleFactorChanged() {
RenderWidget::OnDeviceScaleFactorChanged();
UpdateWebViewWithDeviceScaleFactor();
if (auto_resize_mode_)
AutoResizeCompositor();
}
void RenderViewImpl::SetScreenMetricsEmulationParameters(
bool enabled,
const blink::WebDeviceEmulationParams& params) {
if (webview() && compositor()) {
if (enabled)
webview()->enableDeviceEmulation(params);
else
webview()->disableDeviceEmulation();
}
}
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(GetRoutingID(), 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(
GetRoutingID(), zoom_level,
GURL(webview()->mainFrame()->document().url())));
}
}
void RenderViewImpl::pageScaleFactorChanged() {
if (!webview())
return;
Send(new ViewHostMsg_PageScaleFactorChanged(GetRoutingID(),
webview()->pageScaleFactor()));
}
double RenderViewImpl::zoomLevelToZoomFactor(double zoom_level) const {
return ZoomLevelToZoomFactor(zoom_level);
}
double RenderViewImpl::zoomFactorToZoomLevel(double factor) const {
return ZoomFactorToZoomLevel(factor);
}
void RenderViewImpl::draggableRegionsChanged() {
FOR_EACH_OBSERVER(
RenderViewObserver,
observers_,
DraggableRegionsChanged(webview()->mainFrame()));
}
void RenderViewImpl::pageImportanceSignalsChanged() {
if (!webview() || !main_render_frame_)
return;
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));
}
// TODO(dglazkov): Remove this ifdef. The content detection code
// should not be platform-specific.
// See http://crbug.com/635214 for details.
#if defined(OS_ANDROID)
WebURL RenderViewImpl::detectContentIntentAt(
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_) {
WebURL intent = detector->FindTappedContent(touch_hit);
if (intent.isValid()) {
return intent;
}
}
return WebURL();
}
void RenderViewImpl::scheduleContentIntent(const WebURL& intent,
bool is_main_frame) {
// Introduce a short delay so that the user can notice the content.
base::ThreadTaskRunnerHandle::Get()->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(GetRoutingID(), 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) {
input_handler_->set_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;
}
#if defined(OS_ANDROID)
bool RenderViewImpl::didTapMultipleTargets(
const WebSize& inner_viewport_offset,
const WebRect& touch_rect,
const WebVector<WebRect>& target_rects) {
// 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();
std::unique_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(webview_->isAcceleratedCompositingActive());
webview_->paintIgnoringCompositing(&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(
GetRoutingID(), 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)
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) {
ResizeParams params;
params.screen_info = screen_info_;
params.screen_info.device_scale_factor = 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::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(GetRoutingID(), 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::UpdateWebViewWithDeviceScaleFactor() {
if (!webview())
return;
if (IsUseZoomForDSFEnabled()) {
webview()->setZoomFactorForDeviceScaleFactor(device_scale_factor_);
} else {
webview()->setDeviceScaleFactor(device_scale_factor_);
}
webview()->settings()->setPreferCompositingToLCDTextEnabled(
PreferCompositingToLCDText(compositor_deps_, device_scale_factor_));
}
} // namespace content