blob: 83e40b6568da7906cc8846c5d8c9d59ae126d898 [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 <utility>
#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/feature_list.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/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/stl_util.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/system/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 "cc/paint/skia_paint_canvas.h"
#include "cc/trees/layer_tree_host.h"
#include "content/common/content_constants_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/view_messages.h"
#include "content/public/common/content_client.h"
#include "content/public/common/content_constants.h"
#include "content/public/common/content_features.h"
#include "content/public/common/content_switches.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/referrer_type_converters.h"
#include "content/public/common/three_d_api_types.h"
#include "content/public/common/url_constants.h"
#include "content/public/common/use_zoom_for_dsf_policy.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/render_thread.h"
#include "content/public/renderer/render_view_observer.h"
#include "content/public/renderer/render_view_visitor.h"
#include "content/public/renderer/window_features_converter.h"
#include "content/renderer/appcache/web_application_cache_host_impl.h"
#include "content/renderer/browser_plugin/browser_plugin.h"
#include "content/renderer/browser_plugin/browser_plugin_manager.h"
#include "content/renderer/compositor/layer_tree_view.h"
#include "content/renderer/drop_data_builder.h"
#include "content/renderer/history_serialization.h"
#include "content/renderer/ime_event_guard.h"
#include "content/renderer/internal_document_state_data.h"
#include "content/renderer/loader/request_extra_data.h"
#include "content/renderer/media/audio/audio_device_factory.h"
#include "content/renderer/media/stream/media_stream_device_observer.h"
#include "content/renderer/media/video_capture/video_capture_impl_manager.h"
#include "content/renderer/media/webrtc/peer_connection_dependency_factory.h"
#include "content/renderer/media/webrtc/rtc_peer_connection_handler.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_blink_platform_impl.h"
#include "content/renderer/renderer_webapplicationcachehost_impl.h"
#include "content/renderer/savable_resources.h"
#include "content/renderer/v8_value_converter_impl.h"
#include "content/renderer/web_ui_extension_data.h"
#include "media/audio/audio_output_device.h"
#include "media/base/media_switches.h"
#include "media/media_buildflags.h"
#include "media/renderers/audio_renderer_impl.h"
#include "media/video/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 "net/nqe/effective_connection_type.h"
#include "ppapi/buildflags/buildflags.h"
#include "skia/ext/platform_canvas.h"
#include "third_party/blink/public/common/associated_interfaces/associated_interface_provider.h"
#include "third_party/blink/public/common/dom_storage/session_storage_namespace_id.h"
#include "third_party/blink/public/common/frame/user_activation_update_source.h"
#include "third_party/blink/public/platform/file_path_conversion.h"
#include "third_party/blink/public/platform/url_conversion.h"
#include "third_party/blink/public/platform/web_connection_type.h"
#include "third_party/blink/public/platform/web_effective_connection_type.h"
#include "third_party/blink/public/platform/web_http_body.h"
#include "third_party/blink/public/platform/web_image.h"
#include "third_party/blink/public/platform/web_input_event.h"
#include "third_party/blink/public/platform/web_input_event_result.h"
#include "third_party/blink/public/platform/web_network_state_notifier.h"
#include "third_party/blink/public/platform/web_point.h"
#include "third_party/blink/public/platform/web_rect.h"
#include "third_party/blink/public/platform/web_runtime_features.h"
#include "third_party/blink/public/platform/web_size.h"
#include "third_party/blink/public/platform/web_string.h"
#include "third_party/blink/public/platform/web_url.h"
#include "third_party/blink/public/platform/web_url_error.h"
#include "third_party/blink/public/platform/web_url_request.h"
#include "third_party/blink/public/platform/web_url_response.h"
#include "third_party/blink/public/platform/web_vector.h"
#include "third_party/blink/public/public_buildflags.h"
#include "third_party/blink/public/web/web_autofill_client.h"
#include "third_party/blink/public/web/web_ax_object.h"
#include "third_party/blink/public/web/web_date_time_chooser_completion.h"
#include "third_party/blink/public/web/web_date_time_chooser_params.h"
#include "third_party/blink/public/web/web_document.h"
#include "third_party/blink/public/web/web_dom_event.h"
#include "third_party/blink/public/web/web_dom_message_event.h"
#include "third_party/blink/public/web/web_element.h"
#include "third_party/blink/public/web/web_form_control_element.h"
#include "third_party/blink/public/web/web_form_element.h"
#include "third_party/blink/public/web/web_frame.h"
#include "third_party/blink/public/web/web_frame_content_dumper.h"
#include "third_party/blink/public/web/web_frame_widget.h"
#include "third_party/blink/public/web/web_history_item.h"
#include "third_party/blink/public/web/web_hit_test_result.h"
#include "third_party/blink/public/web/web_input_element.h"
#include "third_party/blink/public/web/web_local_frame.h"
#include "third_party/blink/public/web/web_navigation_policy.h"
#include "third_party/blink/public/web/web_page_importance_signals.h"
#include "third_party/blink/public/web/web_page_popup.h"
#include "third_party/blink/public/web/web_plugin.h"
#include "third_party/blink/public/web/web_plugin_action.h"
#include "third_party/blink/public/web/web_range.h"
#include "third_party/blink/public/web/web_render_theme.h"
#include "third_party/blink/public/web/web_script_source.h"
#include "third_party/blink/public/web/web_searchable_form_data.h"
#include "third_party/blink/public/web/web_security_policy.h"
#include "third_party/blink/public/web/web_settings.h"
#include "third_party/blink/public/web/web_user_gesture_indicator.h"
#include "third_party/blink/public/web/web_view.h"
#include "third_party/blink/public/web/web_window_features.h"
#include "third_party/icu/source/common/unicode/uchar.h"
#include "third_party/icu/source/common/unicode/uscript.h"
#include "third_party/skia/include/core/SkColor.h"
#include "ui/base/ui_base_switches_util.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 "ui/gfx/switches.h"
#include "ui/latency/latency_info.h"
#include "url/origin.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 "base/memory/shared_memory.h"
#include "content/child/child_thread_impl.h"
#include "ui/gfx/geometry/rect_f.h"
#elif defined(OS_MACOSX)
#include "skia/ext/skia_utils_mac.h"
#endif
#if BUILDFLAG(ENABLE_PLUGINS)
#include "content/renderer/pepper/pepper_plugin_instance_impl.h"
#include "content/renderer/pepper/pepper_plugin_registry.h"
#endif
using blink::WebAXObject;
using blink::WebApplicationCacheHost;
using blink::WebApplicationCacheHostClient;
using blink::WebConsoleMessage;
using blink::WebData;
using blink::WebDocument;
using blink::WebDragOperation;
using blink::WebElement;
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::WebImage;
using blink::WebInputElement;
using blink::WebInputEvent;
using blink::WebLocalFrame;
using blink::WebMouseEvent;
using blink::WebNavigationPolicy;
using blink::WebNavigationType;
using blink::WebNode;
using blink::WebPluginAction;
using blink::WebPoint;
using blink::WebRect;
using blink::WebSandboxFlags;
using blink::WebScriptSource;
using blink::WebSearchableFormData;
using blink::WebSecurityOrigin;
using blink::WebSecurityPolicy;
using blink::WebSettings;
using blink::WebSize;
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;
namespace content {
//-----------------------------------------------------------------------------
typedef std::map<blink::WebView*, RenderViewImpl*> ViewMap;
static base::LazyInstance<ViewMap>::Leaky g_view_map =
LAZY_INSTANCE_INITIALIZER;
typedef std::map<int32_t, RenderViewImpl*> RoutingIDViewMap;
static base::LazyInstance<RoutingIDViewMap>::Leaky 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;
static RenderViewImpl* (*g_create_render_view_impl)(
CompositorDependencies* compositor_deps,
const mojom::CreateViewParams&) = nullptr;
// static
Referrer RenderViewImpl::GetReferrerFromRequest(
WebFrame* frame,
const WebURLRequest& request) {
return Referrer(blink::WebStringToGURL(
request.HttpHeaderField(WebString::FromUTF8("Referer"))),
request.GetReferrerPolicy());
}
// static
WindowOpenDisposition RenderViewImpl::NavigationPolicyToDisposition(
WebNavigationPolicy policy) {
switch (policy) {
case blink::kWebNavigationPolicyDownload:
return WindowOpenDisposition::SAVE_TO_DISK;
case blink::kWebNavigationPolicyCurrentTab:
return WindowOpenDisposition::CURRENT_TAB;
case blink::kWebNavigationPolicyNewBackgroundTab:
return WindowOpenDisposition::NEW_BACKGROUND_TAB;
case blink::kWebNavigationPolicyNewForegroundTab:
return WindowOpenDisposition::NEW_FOREGROUND_TAB;
case blink::kWebNavigationPolicyNewWindow:
return WindowOpenDisposition::NEW_WINDOW;
case blink::kWebNavigationPolicyNewPopup:
return WindowOpenDisposition::NEW_POPUP;
default:
NOTREACHED() << "Unexpected WebNavigationPolicy";
return WindowOpenDisposition::IGNORE_ACTION;
}
}
///////////////////////////////////////////////////////////////////////////////
namespace {
typedef void (*SetFontFamilyWrapper)(blink::WebSettings*,
const base::string16&,
UScriptCode);
void SetStandardFontFamilyWrapper(WebSettings* settings,
const base::string16& font,
UScriptCode script) {
settings->SetStandardFontFamily(WebString::FromUTF16(font), script);
}
void SetFixedFontFamilyWrapper(WebSettings* settings,
const base::string16& font,
UScriptCode script) {
settings->SetFixedFontFamily(WebString::FromUTF16(font), script);
}
void SetSerifFontFamilyWrapper(WebSettings* settings,
const base::string16& font,
UScriptCode script) {
settings->SetSerifFontFamily(WebString::FromUTF16(font), script);
}
void SetSansSerifFontFamilyWrapper(WebSettings* settings,
const base::string16& font,
UScriptCode script) {
settings->SetSansSerifFontFamily(WebString::FromUTF16(font), script);
}
void SetCursiveFontFamilyWrapper(WebSettings* settings,
const base::string16& font,
UScriptCode script) {
settings->SetCursiveFontFamily(WebString::FromUTF16(font), script);
}
void SetFantasyFontFamilyWrapper(WebSettings* settings,
const base::string16& font,
UScriptCode script) {
settings->SetFantasyFontFamily(WebString::FromUTF16(font), script);
}
void SetPictographFontFamilyWrapper(WebSettings* settings,
const base::string16& font,
UScriptCode script) {
settings->SetPictographFontFamily(WebString::FromUTF16(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 (auto 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 ApplyCommandLineToSettings(WebSettings* settings) {
const base::CommandLine& command_line =
*base::CommandLine::ForCurrentProcess();
settings->SetThreadedScrollingEnabled(
!command_line.HasSwitch(switches::kDisableThreadedScrolling));
if (switches::IsTouchDragDropEnabled())
settings->SetTouchDragDropEnabled(true);
WebSettings::SelectionStrategyType selection_strategy;
if (command_line.GetSwitchValueASCII(switches::kTouchTextSelectionStrategy) ==
"direction")
selection_strategy = WebSettings::SelectionStrategyType::kDirection;
else
selection_strategy = WebSettings::SelectionStrategyType::kCharacter;
settings->SetSelectionStrategy(selection_strategy);
std::string passive_listeners_default =
command_line.GetSwitchValueASCII(switches::kPassiveListenersDefault);
if (!passive_listeners_default.empty()) {
WebSettings::PassiveEventListenerDefault passive_default =
WebSettings::PassiveEventListenerDefault::kFalse;
if (passive_listeners_default == "true")
passive_default = WebSettings::PassiveEventListenerDefault::kTrue;
else if (passive_listeners_default == "forcealltrue")
passive_default = WebSettings::PassiveEventListenerDefault::kForceAllTrue;
settings->SetPassiveEventListenerDefault(passive_default);
}
std::string network_quiet_timeout =
command_line.GetSwitchValueASCII(switches::kNetworkQuietTimeout);
if (!network_quiet_timeout.empty()) {
double network_quiet_timeout_seconds = 0.0;
if (base::StringToDouble(network_quiet_timeout,
&network_quiet_timeout_seconds))
settings->SetNetworkQuietTimeout(network_quiet_timeout_seconds);
}
if (command_line.HasSwitch(switches::kBlinkSettings)) {
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)));
}
}
}
content::mojom::WindowContainerType WindowFeaturesToContainerType(
const blink::WebWindowFeatures& window_features) {
if (window_features.background) {
if (window_features.persistent)
return content::mojom::WindowContainerType::PERSISTENT;
else
return content::mojom::WindowContainerType::BACKGROUND;
} else {
return content::mojom::WindowContainerType::NORMAL;
}
}
// Check content::BrowserControlsState, and cc::BrowserControlsState
// are kept in sync.
static_assert(int(BROWSER_CONTROLS_STATE_SHOWN) ==
int(cc::BrowserControlsState::kShown),
"mismatching enums: SHOWN");
static_assert(int(BROWSER_CONTROLS_STATE_HIDDEN) ==
int(cc::BrowserControlsState::kHidden),
"mismatching enums: HIDDEN");
static_assert(int(BROWSER_CONTROLS_STATE_BOTH) ==
int(cc::BrowserControlsState::kBoth),
"mismatching enums: BOTH");
cc::BrowserControlsState ContentToCc(BrowserControlsState state) {
return static_cast<cc::BrowserControlsState>(state);
}
} // namespace
RenderViewImpl::RenderViewImpl(CompositorDependencies* compositor_deps,
const mojom::CreateViewParams& params)
: routing_id_(params.view_id),
renderer_wide_named_frame_lookup_(
params.renderer_wide_named_frame_lookup),
webkit_preferences_(params.web_preferences),
session_storage_namespace_id_(params.session_storage_namespace_id),
weak_ptr_factory_(this) {
DCHECK(!session_storage_namespace_id_.empty())
<< "Session storage namespace must be populated.";
// Please put all logic in RenderViewImpl::Initialize().
}
void RenderViewImpl::Initialize(
RenderWidget* render_widget,
mojom::CreateViewParamsPtr params,
RenderWidget::ShowCallback show_callback,
scoped_refptr<base::SingleThreadTaskRunner> task_runner) {
DCHECK(RenderThread::IsMainThread());
// RenderView used to inherit from RenderWidget. Creating a delegate
// interface and explicitly passing ownership of ourselves to the
// RenderWidget preserves the lifetime semantics. This is a stepping
// stone to having RenderWidget creation taken out of the RenderViewImpl
// constructor. See the corresponding explicit reset() of the delegate
// in the ~RenderWidget(). Also, I hate inheritance.
render_widget_ = render_widget;
GetWidget()->set_delegate(base::WrapUnique(this));
RenderThread::Get()->AddRoute(routing_id_, this);
#if defined(OS_ANDROID)
bool has_show_callback = !!show_callback;
#endif
WebFrame* opener_frame =
RenderFrameImpl::ResolveOpener(params->opener_frame_route_id);
// Pass WidgetClient(), not |this|, as the WebWidgetClient. The method may
// be overridden in web tests to inject a test-only WebWidgetClient.
webview_ = WebView::Create(this, params->hidden,
/*compositing_enabled=*/true,
opener_frame ? opener_frame->View() : nullptr);
// Note: The GetWidget->Init() call causes an AddRef() to itself meaning that
// IPC system has taken conceptual ownership of the object. Though it is
// tempting to have RenderView retain the RenderWidget(), this lifecycle
// only requires single ownership and adding scoped_refptr<RenderWidget>
// muddies this unnecessarily -- especially since this RenderWidget should
// ultimately be own by the main frame.
GetWidget()->Init(std::move(show_callback), webview_->MainFrameWidget());
g_view_map.Get().insert(std::make_pair(webview(), this));
g_routing_id_view_map.Get().insert(std::make_pair(GetRoutingID(), this));
webview()->SetDisplayMode(params->visual_properties.display_mode);
ApplyWebPreferences(webkit_preferences_, webview());
ApplyCommandLineToSettings(webview()->GetSettings());
// We have either a main frame or a proxy routing id.
DCHECK_NE(params->main_frame_routing_id != MSG_ROUTING_NONE,
params->proxy_routing_id != MSG_ROUTING_NONE);
if (params->main_frame_routing_id != MSG_ROUTING_NONE) {
CHECK(params->main_frame_interface_bundle);
service_manager::mojom::InterfaceProviderPtr main_frame_interface_provider(
std::move(params->main_frame_interface_bundle->interface_provider));
main_render_frame_ = RenderFrameImpl::CreateMainFrame(
this, params->main_frame_routing_id,
std::move(main_frame_interface_provider),
blink::mojom::DocumentInterfaceBrokerPtr(
std::move(params->main_frame_interface_bundle
->document_interface_broker_content)),
blink::mojom::DocumentInterfaceBrokerPtr(
std::move(params->main_frame_interface_bundle
->document_interface_broker_blink)),
params->main_frame_widget_routing_id, params->hidden,
GetWidget()->GetWebScreenInfo(), GetWidget()->compositor_deps(),
opener_frame, params->devtools_main_frame_token,
params->replicated_frame_state, params->has_committed_real_load);
} else {
RenderFrameProxy::CreateFrameProxy(params->proxy_routing_id, GetRoutingID(),
opener_frame, MSG_ROUTING_NONE,
params->replicated_frame_state,
params->devtools_main_frame_token);
// TODO(danakj): Make WebViewImpl not need a WebWidgetClient when there is a
// remote main frame (when the RenderWidget is frozen).
webview_->DidAttachRemoteMainFrame(render_widget_);
}
// TODO(davidben): Move this state from Blink into content.
if (params->window_was_created_with_opener)
webview()->SetOpenedByDOM();
GetWidget()->UpdateWebViewWithDeviceScaleFactor();
OnSetRendererPrefs(*params->renderer_preferences);
GetWidget()->OnSynchronizeVisualProperties(params->visual_properties);
GetContentClient()->renderer()->RenderViewCreated(this);
page_zoom_level_ = 0;
nav_state_sync_timer_.SetTaskRunner(task_runner);
// We pass this state to Page, but it's only used by the main frame in the
// page.
if (params->inside_portal)
webview()->SetInsidePortal(true);
#if defined(OS_ANDROID)
// TODO(sgurun): crbug.com/325351 Needed only for android webview's deprecated
// HandleNavigation codepath.
// Renderer-created RenderViews have a ShowCallback because they send a Show
// request (ViewHostMsg_ShowWidget, ViewHostMsg_ShowFullscreenWidget, or
// FrameHostMsg_ShowCreatedWindow) to the browser to attach them to the UI
// there. Browser-created RenderViews do not send a Show request to the
// browser, so have no such callback.
was_created_by_renderer_ = has_show_callback;
#endif
}
RenderViewImpl::~RenderViewImpl() {
DCHECK(!frame_widget_);
RenderThread::Get()->RemoveRoute(routing_id_);
#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 (auto& observer : observers_)
observer.RenderViewGone();
for (auto& observer : observers_)
observer.OnDestruct();
}
/*static*/
RenderViewImpl* RenderViewImpl::FromWebView(WebView* webview) {
DCHECK(RenderThread::IsMainThread());
ViewMap* views = g_view_map.Pointer();
auto 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) {
DCHECK(RenderThread::IsMainThread());
RoutingIDViewMap* views = g_routing_id_view_map.Pointer();
auto 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) {
DCHECK(RenderThread::IsMainThread());
ViewMap* views = g_view_map.Pointer();
for (auto 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->GetSettings();
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(
WebString::FromASCII(prefs.default_encoding));
settings->SetJavaScriptEnabled(prefs.javascript_enabled);
settings->SetWebSecurityEnabled(prefs.web_security_enabled);
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);
blink::WebNetworkStateNotifier::SetSaveDataEnabled(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->SetHistoryEntryRequiresUserGesture(
prefs.history_entry_requires_user_gesture);
settings->SetShouldProtectAgainstIpcFlooding(
!prefs.disable_ipc_flooding_protection);
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);
settings->SetWebGL1Enabled(prefs.webgl1_enabled);
settings->SetWebGL2Enabled(prefs.webgl2_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);
// 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);
settings->SetPrefersReducedMotion(prefs.prefers_reduced_motion);
WebRuntimeFeatures::EnableTouchEventFeatureDetection(
prefs.touch_event_feature_detection_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->SetEnableTouchAdjustment(prefs.touch_adjustment_enabled);
settings->SetBarrelButtonForDragEnabled(prefs.barrel_button_for_drag_enabled);
settings->SetShouldRespectImageOrientation(
prefs.should_respect_image_orientation);
settings->SetEditingBehavior(
static_cast<WebSettings::EditingBehavior>(prefs.editing_behavior));
settings->SetSupportsMultipleWindows(prefs.supports_multiple_windows);
settings->SetMainFrameClipsContent(!prefs.record_whole_document);
settings->SetSmartInsertDeleteEnabled(prefs.smart_insert_delete_enabled);
settings->SetSpatialNavigationEnabled(prefs.spatial_navigation_enabled);
// Spatnav depends on KeyboardFocusableScrollers. The WebUI team has
// disabled KFS because they need more time to update their custom elements,
// crbug.com/907284. Meanwhile, we pre-ship KFS to spatnav users.
if (prefs.spatial_navigation_enabled)
WebRuntimeFeatures::EnableKeyboardFocusableScrollers(true);
settings->SetSelectionIncludesAltImageText(true);
settings->SetV8CacheOptions(
static_cast<WebSettings::V8CacheOptions>(prefs.v8_cache_options));
settings->SetImageAnimationPolicy(
static_cast<WebSettings::ImageAnimationPolicy>(prefs.animation_policy));
settings->SetPresentationRequiresUserGesture(
prefs.user_gesture_required_for_presentation);
settings->SetTextTrackBackgroundColor(
WebString::FromASCII(prefs.text_track_background_color));
settings->SetTextTrackTextColor(
WebString::FromASCII(prefs.text_track_text_color));
settings->SetTextTrackTextSize(
WebString::FromASCII(prefs.text_track_text_size));
settings->SetTextTrackTextShadow(
WebString::FromASCII(prefs.text_track_text_shadow));
settings->SetTextTrackFontFamily(
WebString::FromASCII(prefs.text_track_font_family));
settings->SetTextTrackFontVariant(
WebString::FromASCII(prefs.text_track_font_variant));
settings->SetTextTrackMarginPercentage(prefs.text_track_margin_percentage);
// Needs to happen before SetDefaultPageScaleLimits below since that'll
// recalculate the final page scale limits and that depends on this setting.
settings->SetShrinksViewportContentToFit(
prefs.shrinks_viewport_contents_to_fit);
// Needs to happen before SetIgnoreViewportTagScaleLimits below.
web_view->SetDefaultPageScaleLimits(prefs.default_minimum_page_scale_factor,
prefs.default_maximum_page_scale_factor);
settings->SetTextAutosizingEnabled(prefs.text_autosizing_enabled);
settings->SetDoubleTapToZoomEnabled(prefs.double_tap_to_zoom_enabled);
blink::WebNetworkStateNotifier::SetNetworkQualityWebHoldback(
static_cast<blink::WebEffectiveConnectionType>(
prefs.network_quality_estimator_web_holdback));
settings->SetDontSendKeyEventsToJavascript(
prefs.dont_send_key_events_to_javascript);
settings->SetWebAppScope(WebString::FromASCII(prefs.web_app_scope.spec()));
#if defined(OS_ANDROID)
settings->SetAllowCustomScrollbarInMainFrame(false);
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->SetDefaultVideoPosterURL(
WebString::FromASCII(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.reuse_global_for_unowned_main_frame);
settings->SetPreferHiddenVolumeControls(true);
settings->SetSpellCheckEnabledByDefault(prefs.spellcheck_enabled_by_default);
WebRuntimeFeatures::EnableVideoFullscreenOrientationLock(
prefs.video_fullscreen_orientation_lock_enabled);
WebRuntimeFeatures::EnableVideoRotateToFullscreen(
prefs.video_rotate_to_fullscreen_enabled);
WebRuntimeFeatures::EnableVideoFullscreenDetection(
prefs.video_fullscreen_detection_enabled);
settings->SetEmbeddedMediaExperienceEnabled(
prefs.embedded_media_experience_enabled);
settings->SetImmersiveModeEnabled(prefs.immersive_mode_enabled);
settings->SetDoNotUpdateSelectionOnMutatingSelectionRange(
prefs.do_not_update_selection_on_mutating_selection_range);
WebRuntimeFeatures::EnableCSSHexAlphaColor(prefs.css_hex_alpha_color_enabled);
WebRuntimeFeatures::EnableScrollTopLeftInterop(
prefs.scroll_top_left_interop_enabled);
#endif // defined(OS_ANDROID)
settings->SetForceDarkModeEnabled(prefs.force_dark_mode_enabled);
switch (prefs.autoplay_policy) {
case AutoplayPolicy::kNoUserGestureRequired:
settings->SetAutoplayPolicy(
WebSettings::AutoplayPolicy::kNoUserGestureRequired);
break;
case AutoplayPolicy::kUserGestureRequired:
settings->SetAutoplayPolicy(
WebSettings::AutoplayPolicy::kUserGestureRequired);
break;
case AutoplayPolicy::kDocumentUserActivationRequired:
settings->SetAutoplayPolicy(
WebSettings::AutoplayPolicy::kDocumentUserActivationRequired);
break;
}
settings->SetViewportEnabled(prefs.viewport_enabled);
settings->SetViewportMetaEnabled(prefs.viewport_meta_enabled);
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->SetUseSolidColorScrollbars(prefs.use_solid_color_scrollbars);
settings->SetShowContextMenuOnMouseUp(prefs.context_menu_on_mouse_up);
settings->SetAlwaysShowContextMenuOnTouch(
prefs.always_show_context_menu_on_touch);
settings->SetSmoothScrollForFindEnabled(prefs.smooth_scroll_for_find_enabled);
settings->SetHideDownloadUI(prefs.hide_download_ui);
settings->SetPresentationReceiver(prefs.presentation_receiver);
settings->SetMediaControlsEnabled(prefs.media_controls_enabled);
settings->SetLowPriorityIframesThreshold(
static_cast<blink::WebEffectiveConnectionType>(
prefs.low_priority_iframes_threshold));
settings->SetPictureInPictureEnabled(
prefs.picture_in_picture_enabled &&
MediaFactory::GetVideoSurfaceLayerMode() !=
blink::WebMediaPlayer::SurfaceLayerMode::kNever);
settings->SetDataSaverHoldbackWebApi(
prefs.data_saver_holdback_web_api_enabled);
settings->SetLazyLoadEnabled(prefs.lazy_load_enabled);
settings->SetPreferredColorScheme(prefs.preferred_color_scheme);
for (const auto& ect_distance_pair :
prefs.lazy_frame_loading_distance_thresholds_px) {
switch (ect_distance_pair.first) {
case net::EFFECTIVE_CONNECTION_TYPE_UNKNOWN:
settings->SetLazyFrameLoadingDistanceThresholdPxUnknown(
ect_distance_pair.second);
continue;
case net::EFFECTIVE_CONNECTION_TYPE_OFFLINE:
settings->SetLazyFrameLoadingDistanceThresholdPxOffline(
ect_distance_pair.second);
continue;
case net::EFFECTIVE_CONNECTION_TYPE_SLOW_2G:
settings->SetLazyFrameLoadingDistanceThresholdPxSlow2G(
ect_distance_pair.second);
continue;
case net::EFFECTIVE_CONNECTION_TYPE_2G:
settings->SetLazyFrameLoadingDistanceThresholdPx2G(
ect_distance_pair.second);
continue;
case net::EFFECTIVE_CONNECTION_TYPE_3G:
settings->SetLazyFrameLoadingDistanceThresholdPx3G(
ect_distance_pair.second);
continue;
case net::EFFECTIVE_CONNECTION_TYPE_4G:
settings->SetLazyFrameLoadingDistanceThresholdPx4G(
ect_distance_pair.second);
continue;
case net::EFFECTIVE_CONNECTION_TYPE_LAST:
continue;
}
NOTREACHED();
}
for (const auto& ect_distance_pair :
prefs.lazy_image_loading_distance_thresholds_px) {
switch (ect_distance_pair.first) {
case net::EFFECTIVE_CONNECTION_TYPE_UNKNOWN:
settings->SetLazyImageLoadingDistanceThresholdPxUnknown(
ect_distance_pair.second);
continue;
case net::EFFECTIVE_CONNECTION_TYPE_OFFLINE:
settings->SetLazyImageLoadingDistanceThresholdPxOffline(
ect_distance_pair.second);
continue;
case net::EFFECTIVE_CONNECTION_TYPE_SLOW_2G:
settings->SetLazyImageLoadingDistanceThresholdPxSlow2G(
ect_distance_pair.second);
continue;
case net::EFFECTIVE_CONNECTION_TYPE_2G:
settings->SetLazyImageLoadingDistanceThresholdPx2G(
ect_distance_pair.second);
continue;
case net::EFFECTIVE_CONNECTION_TYPE_3G:
settings->SetLazyImageLoadingDistanceThresholdPx3G(
ect_distance_pair.second);
continue;
case net::EFFECTIVE_CONNECTION_TYPE_4G:
settings->SetLazyImageLoadingDistanceThresholdPx4G(
ect_distance_pair.second);
continue;
case net::EFFECTIVE_CONNECTION_TYPE_LAST:
continue;
}
NOTREACHED();
}
#if defined(OS_MACOSX)
web_view->SetMaximumLegibleScale(prefs.default_maximum_page_scale_factor);
#endif
#if defined(OS_WIN)
WebRuntimeFeatures::EnableMiddleClickAutoscroll(true);
#endif
WebRuntimeFeatures::EnableTranslateService(prefs.translate_service_available);
}
/*static*/
RenderViewImpl* RenderViewImpl::Create(
CompositorDependencies* compositor_deps,
mojom::CreateViewParamsPtr params,
RenderWidget::ShowCallback show_callback,
scoped_refptr<base::SingleThreadTaskRunner> task_runner) {
DCHECK(params->view_id != MSG_ROUTING_NONE);
DCHECK(params->main_frame_widget_routing_id != MSG_ROUTING_NONE);
RenderViewImpl* render_view;
auto render_widget = RenderWidget::CreateForFrame(
params->main_frame_widget_routing_id, compositor_deps,
params->visual_properties.screen_info,
params->visual_properties.display_mode,
/*is_frozen=*/params->main_frame_routing_id == MSG_ROUTING_NONE,
params->hidden, params->never_visible,
/*widget_request=*/nullptr);
if (g_create_render_view_impl) {
render_view = g_create_render_view_impl(compositor_deps, *params);
} else {
render_view = new RenderViewImpl(compositor_deps, *params);
}
// After this call, the |render_widget| will be self-owning.
//
// TODO(http://crbug.com/419087): This refcoutning is messy. get the
// RenderWidget initialization out of the render_view::Initialize() function.
render_view->Initialize(render_widget.get(), std::move(params),
std::move(show_callback), std::move(task_runner));
return render_view;
}
// static
void RenderViewImpl::InstallCreateHook(RenderViewImpl* (
*create_render_view_impl)(CompositorDependencies* compositor_deps,
const mojom::CreateViewParams&)) {
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() {
return webview_;
}
const blink::WebView* RenderViewImpl::webview() const {
return webview_;
}
// RenderWidgetOwnerDelegate -----------------------------------------
blink::WebWidget* RenderViewImpl::GetWebWidgetForWidget() const {
return frame_widget_;
}
bool RenderViewImpl::RenderWidgetWillHandleMouseEventForWidget(
const blink::WebMouseEvent& event) {
// If the mouse is locked, only the current owner of the mouse lock can
// process mouse events.
return GetWidget()->mouse_lock_dispatcher()->WillHandleMouseEvent(event);
}
void RenderViewImpl::SetActiveForWidget(bool active) {
if (webview())
webview()->SetIsActive(active);
}
bool RenderViewImpl::SupportsMultipleWindowsForWidget() {
return webkit_preferences_.supports_multiple_windows;
}
void RenderViewImpl::DidHandleGestureEventForWidget(
const WebGestureEvent& event) {
for (auto& observer : observers_)
observer.DidHandleGestureEvent(event);
}
bool RenderViewImpl::ShouldAckSyntheticInputImmediately() {
// TODO(bokan): The RequestPresentation API appears not to function in VR. As
// a short term workaround for https://crbug.com/940063, ACK input
// immediately rather than using RequestPresentation.
if (webkit_preferences_.immersive_mode_enabled)
return true;
return false;
}
void RenderViewImpl::DidCloseWidget() {
// The webview_ is already destroyed by the time we get here, remove any
// references to it.
g_view_map.Get().erase(webview_);
webview_ = nullptr;
g_routing_id_view_map.Get().erase(GetRoutingID());
// The |render_widget_| is deleted after DidCloseWidget() returns. Drop the
// reference to it to avoid a UaF.
render_widget_ = nullptr;
}
void RenderViewImpl::CancelPagePopupForWidget() {
webview()->CancelPagePopup();
}
void RenderViewImpl::ApplyNewDisplayModeForWidget(
const blink::WebDisplayMode& new_display_mode) {
webview()->SetDisplayMode(new_display_mode);
}
void RenderViewImpl::ApplyAutoResizeLimitsForWidget(const gfx::Size& min_size,
const gfx::Size& max_size) {
webview()->EnableAutoResizeMode(min_size, max_size);
}
void RenderViewImpl::DisableAutoResizeForWidget() {
webview()->DisableAutoResizeMode();
}
void RenderViewImpl::ScrollFocusedNodeIntoViewForWidget() {
if (WebLocalFrame* focused_frame = GetWebView()->FocusedFrame()) {
auto* frame_widget = focused_frame->LocalRoot()->FrameWidget();
frame_widget->ScrollFocusedEditableElementIntoView();
}
}
void RenderViewImpl::DidReceiveSetFocusEventForWidget() {
// This message must always be received when the main frame is a
// WebLocalFrame.
// TODO(ajwong): Can this be removed and just check |delegate_| in
// RenderWidget instead?
CHECK(webview()->MainFrame()->IsWebLocalFrame());
}
void RenderViewImpl::DidChangeFocusForWidget() {
// Notify all BrowserPlugins of the RenderView's focus state.
if (BrowserPluginManager::Get())
BrowserPluginManager::Get()->UpdateFocusState();
}
void RenderViewImpl::DidCommitCompositorFrameForWidget() {
for (auto& observer : observers_)
observer.DidCommitCompositorFrame();
UpdatePreferredSize();
}
void RenderViewImpl::DidCompletePageScaleAnimationForWidget() {
if (auto* focused_frame = GetWebView()->FocusedFrame()) {
if (focused_frame->AutofillClient())
focused_frame->AutofillClient()->DidCompleteFocusChangeInFrame();
}
}
void RenderViewImpl::ResizeWebWidgetForWidget(
const gfx::Size& size,
float top_controls_height,
float bottom_controls_height,
bool browser_controls_shrink_blink_size) {
webview()->ResizeWithBrowserControls(size, top_controls_height,
bottom_controls_height,
browser_controls_shrink_blink_size);
}
void RenderViewImpl::SetScreenMetricsEmulationParametersForWidget(
bool enabled,
const blink::WebDeviceEmulationParams& params) {
if (enabled)
webview()->EnableDeviceEmulation(params);
else
webview()->DisableDeviceEmulation();
}
// IPC message handlers -----------------------------------------
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::OnSetHistoryOffsetAndLength(int history_offset,
int history_length) {
// -1 <= history_offset < history_length <= kMaxSessionHistoryEntries(50).
DCHECK_LE(-1, history_offset);
DCHECK_LT(history_offset, history_length);
DCHECK_LE(history_length, kMaxSessionHistoryEntries);
history_list_offset_ = history_offset;
history_list_length_ = history_length;
}
void RenderViewImpl::OnSetInitialFocus(bool reverse) {
if (!webview())
return;
webview()->SetInitialFocus(reverse);
}
void RenderViewImpl::OnAudioStateChanged(bool is_audio_playing) {
webview()->AudioStateChanged(is_audio_playing);
}
///////////////////////////////////////////////////////////////////////////////
void RenderViewImpl::ShowCreatedPopupWidget(RenderWidget* popup_widget,
WebNavigationPolicy policy,
const gfx::Rect& initial_rect) {
Send(new ViewHostMsg_ShowWidget(GetRoutingID(), popup_widget->routing_id(),
initial_rect));
}
void RenderViewImpl::ShowCreatedFullscreenWidget(
RenderWidget* fullscreen_widget,
WebNavigationPolicy policy,
const gfx::Rect& initial_rect) {
Send(new ViewHostMsg_ShowFullscreenWidget(GetRoutingID(),
fullscreen_widget->routing_id()));
}
void RenderViewImpl::SendFrameStateUpdates() {
// 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();
}
// IPC::Listener -------------------------------------------------------------
bool RenderViewImpl::OnMessageReceived(const IPC::Message& message) {
WebFrame* main_frame = webview() ? webview()->MainFrame() : nullptr;
if (main_frame) {
GURL active_url;
if (main_frame->IsWebLocalFrame())
active_url = main_frame->ToWebLocalFrame()->GetDocument().Url();
GetContentClient()->SetActiveURL(
active_url, main_frame->Top()->GetSecurityOrigin().ToString().Utf8());
}
for (auto& observer : observers_) {
if (observer.OnMessageReceived(message))
return true;
}
bool handled = true;
IPC_BEGIN_MESSAGE_MAP(RenderViewImpl, message)
IPC_MESSAGE_HANDLER(ViewMsg_SetPageScale, OnSetPageScale)
IPC_MESSAGE_HANDLER(ViewMsg_SetInitialFocus, OnSetInitialFocus)
IPC_MESSAGE_HANDLER(ViewMsg_UpdateTargetURL_ACK, OnUpdateTargetURLAck)
IPC_MESSAGE_HANDLER(ViewMsg_UpdateWebPreferences, OnUpdateWebPreferences)
IPC_MESSAGE_HANDLER(ViewMsg_ClosePage, OnClosePage)
IPC_MESSAGE_HANDLER(ViewMsg_MoveOrResizeStarted, OnMoveOrResizeStarted)
IPC_MESSAGE_HANDLER(ViewMsg_EnablePreferredSizeChangedMode,
OnEnablePreferredSizeChangedMode)
IPC_MESSAGE_HANDLER(ViewMsg_SetRendererPrefs, OnSetRendererPrefs)
IPC_MESSAGE_HANDLER(ViewMsg_PluginActionAt, OnPluginActionAt)
IPC_MESSAGE_HANDLER(ViewMsg_AnimateDoubleTapZoom,
OnAnimateDoubleTapZoomInMainFrame)
IPC_MESSAGE_HANDLER(ViewMsg_ZoomToFindInPageRect, OnZoomToFindInPageRect)
IPC_MESSAGE_HANDLER(ViewMsg_SetBackgroundOpaque, OnSetBackgroundOpaque)
// Page messages.
IPC_MESSAGE_HANDLER(PageMsg_WasHidden, OnPageWasHidden)
IPC_MESSAGE_HANDLER(PageMsg_WasShown, OnPageWasShown)
IPC_MESSAGE_HANDLER(PageMsg_SetHistoryOffsetAndLength,
OnSetHistoryOffsetAndLength)
IPC_MESSAGE_HANDLER(PageMsg_AudioStateChanged, OnAudioStateChanged)
IPC_MESSAGE_HANDLER(PageMsg_UpdateScreenInfo, OnUpdateScreenInfo)
IPC_MESSAGE_HANDLER(PageMsg_SetPageFrozen, SetPageFrozen)
// Adding a new message? Add platform independent ones first, then put the
// platform specific ones at the end.
// Have the widget handle all other messages.
// TODO(ajwong): Remove this cross-object dispatch.
IPC_MESSAGE_UNHANDLED(handled = GetWidget()->OnMessageReceived(message))
IPC_END_MESSAGE_MAP()
return handled;
}
// blink::WebViewClient ------------------------------------------------------
// TODO(csharrison): Migrate this method to WebLocalFrameClient /
// RenderFrameImpl, as it is now serviced by a mojo interface scoped to the
// opener frame.
WebView* RenderViewImpl::CreateView(
WebLocalFrame* creator,
const WebURLRequest& request,
const WebWindowFeatures& features,
const WebString& frame_name,
WebNavigationPolicy policy,
WebSandboxFlags sandbox_flags,
const blink::FeaturePolicy::FeatureState& opener_feature_state,
const blink::SessionStorageNamespaceId& session_storage_namespace_id) {
RenderFrameImpl* creator_frame = RenderFrameImpl::FromWebFrame(creator);
mojom::CreateNewWindowParamsPtr params = mojom::CreateNewWindowParams::New();
// User Activation v2 moves user gesture checks to the browser process, with
// the exception of the extensions case handled through the following |if|.
params->mimic_user_gesture =
base::FeatureList::IsEnabled(features::kUserActivationV2)
? false
: WebUserGestureIndicator::IsProcessingUserGesture(creator);
// TODO(mustaq): Investigate if mimic_user_gesture can wrongly expose presence
// of user activation w/o any user interaction, e.g. through
// |WebChromeClient#onCreateWindow|. One case to deep-dive: disabling popup
// blocker then calling window.open at onload event. crbug.com/929729
if (GetContentClient()->renderer()->AllowPopup())
params->mimic_user_gesture = true;
params->window_container_type = WindowFeaturesToContainerType(features);
params->session_storage_namespace_id = session_storage_namespace_id;
// TODO(dmurph): Don't copy session storage when features.noopener is true:
// https://html.spec.whatwg.org/multipage/browsers.html#copy-session-storage
// https://crbug.com/771959
params->clone_from_session_storage_namespace_id =
session_storage_namespace_id_;
const std::string& frame_name_utf8 = frame_name.Utf8(
WebString::UTF8ConversionMode::kStrictReplacingErrorsWithFFFD);
params->frame_name = frame_name_utf8;
params->opener_suppressed = features.noopener;
params->disposition = NavigationPolicyToDisposition(policy);
if (!request.IsNull()) {
params->target_url = request.Url();
params->referrer =
blink::mojom::Referrer::From(GetReferrerFromRequest(creator, request));
}
params->features = ConvertWebWindowFeaturesToMojoWindowFeatures(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->mimic_user_gesture;
mojom::CreateNewWindowStatus status;
mojom::CreateNewWindowReplyPtr reply;
auto* frame_host = creator_frame->GetFrameHost();
bool err = !frame_host->CreateNewWindow(std::move(params), &status, &reply);
if (err || status == mojom::CreateNewWindowStatus::kIgnore)
return nullptr;
// For Android WebView, we support a pop-up like behavior for window.open()
// even if the embedding app doesn't support multiple windows. In this case,
// window.open() will return "window" and navigate it to whatever URL was
// passed. We also don't need to consume user gestures to protect against
// multiple windows being opened, because, well, the app doesn't support
// multiple windows.
// TODO(dcheng): It's awkward that this is plumbed into Blink but not really
// used much in Blink, except to enable web testing... perhaps this should
// be checked directly in the browser side.
if (status == mojom::CreateNewWindowStatus::kReuse)
return webview();
DCHECK(reply);
DCHECK_NE(MSG_ROUTING_NONE, reply->route_id);
DCHECK_NE(MSG_ROUTING_NONE, reply->main_frame_route_id);
DCHECK_NE(MSG_ROUTING_NONE, reply->main_frame_widget_route_id);
// The browser allowed creation of a new window and consumed the user
// activation (UAv2 only).
bool was_consumed = WebUserGestureIndicator::ConsumeUserGesture(
creator, blink::UserActivationUpdateSource::kBrowser);
if (base::FeatureList::IsEnabled(features::kUserActivationV2))
opened_by_user_gesture = was_consumed;
// 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;
VisualProperties visual_properties = VisualProperties();
visual_properties.screen_info = GetWidget()->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.
mojom::CreateViewParamsPtr view_params = mojom::CreateViewParams::New();
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_.Clone();
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_interface_bundle =
mojom::DocumentScopedInterfaceBundle::New(
std::move(reply->main_frame_interface_bundle->interface_provider),
std::move(reply->main_frame_interface_bundle
->document_interface_broker_content),
std::move(reply->main_frame_interface_bundle
->document_interface_broker_blink));
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;
DCHECK(!view_params->session_storage_namespace_id.empty())
<< "Session storage namespace must be populated.";
view_params->replicated_frame_state.frame_policy.sandbox_flags =
sandbox_flags;
view_params->replicated_frame_state.opener_feature_state =
opener_feature_state;
view_params->replicated_frame_state.name = frame_name_utf8;
view_params->devtools_main_frame_token = reply->devtools_main_frame_token;
// Even if the main frame has a name, the main frame's unique name is always
// the empty string.
view_params->hidden = is_background_tab;
view_params->never_visible = never_visible;
view_params->visual_properties = visual_properties;
// Unretained() is safe here because our calling function will also call
// show().
RenderWidget::ShowCallback show_callback =
base::BindOnce(&RenderFrameImpl::ShowCreatedWindow,
base::Unretained(creator_frame), opened_by_user_gesture);
RenderViewImpl* view = RenderViewImpl::Create(
GetWidget()->compositor_deps(), std::move(view_params),
std::move(show_callback),
creator->GetTaskRunner(blink::TaskType::kInternalDefault));
return view->webview();
}
blink::WebPagePopup* RenderViewImpl::CreatePopup(
blink::WebLocalFrame* creator) {
mojom::WidgetPtr widget_channel;
mojom::WidgetRequest widget_channel_request =
mojo::MakeRequest(&widget_channel);
// Do a synchronous IPC to obtain a routing ID.
int32_t widget_routing_id = MSG_ROUTING_NONE;
bool success =
RenderThreadImpl::current_render_message_filter()->CreateNewWidget(
GetRoutingID(), std::move(widget_channel), &widget_routing_id);
if (!success) {
// When the renderer is being killed the mojo message will fail.
return nullptr;
}
RenderWidget::ShowCallback opener_callback = base::BindOnce(
&RenderViewImpl::ShowCreatedPopupWidget, weak_ptr_factory_.GetWeakPtr());
// The RenderWidget associated with the RenderView. This should be the
// RenderWidget for the main frame, but may be a zombie RenderWidget when
// the main frame is remote (we don't need a RenderWidget for it then).
// However for now (https://crbug.com/419087) we know it exists and grab
// state off it for the popup.
// TODO(crbug.com/419087): This should probably be using the local root's
// RenderWidget for the frame making the popup.
RenderWidget* view_render_widget = GetWidget();
auto popup_widget = RenderWidget::CreateForPopup(
widget_routing_id, view_render_widget->compositor_deps(),
view_render_widget->screen_info(), blink::kWebDisplayModeUndefined,
/*is_frozen=*/false,
/*hidden=*/false,
/*never_visible=*/false, std::move(widget_channel_request));
// The returned WebPagePopup is self-referencing, so the pointer here is not
// an owning pointer. It is de-referenced by calling Close().
blink::WebPagePopup* popup_web_widget =
blink::WebPagePopup::Create(popup_widget.get());
// Adds a self-reference on the |popup_widget| so it will not be destroyed
// when leaving scope. The WebPagePopup takes responsibility for Close()ing
// and thus destroying the RenderWidget.
popup_widget->InitForPopup(std::move(opener_callback), popup_web_widget);
// TODO(crbug.com/419087): RenderWidget has some weird logic for picking a
// WebWidget which doesn't apply to this case. So we verify. This can go away
// when RenderWidget::GetWebWidget() is just a simple accessor.
DCHECK_EQ(popup_widget->GetWebWidget(), popup_web_widget);
// Devtools emulation, which may be currently applied to the
// |view_render_widget|, should also apply to the new popup. This doesn't
// happen automatically.
popup_widget->ApplyEmulatedScreenMetricsForPopupWidget(view_render_widget);
return popup_web_widget;
}
void RenderViewImpl::DoDeferredClose() {
// The main widget is currently not active. The active main frame widget is
// in a different process. Have the browser route the close request to the
// active widget instead, so that the correct unload handlers are run.
Send(new ViewHostMsg_RouteCloseEvent(GetRoutingID()));
}
void RenderViewImpl::CloseWindowSoon() {
DCHECK(RenderThread::IsMainThread());
if (render_widget_->is_frozen()) {
// Ask the RenderViewHost with a local main frame to initiate close. We
// could be called from deep in Javascript. If we ask the RenderViewHost to
// close now, the window could be closed before the JS finishes executing,
// thanks to nested message loops running and handling the resuliting Close
// IPC. So instead, post a message back to the message loop, which won't run
// until the JS is complete, and then the Close request can be sent.
GetCleanupTaskRunner()->PostTask(
FROM_HERE, base::BindOnce(&RenderViewImpl::DoDeferredClose,
weak_ptr_factory_.GetWeakPtr()));
return;
}
// If the main widget is not frozen then the Close request goes directly
// through it, because the RenderWidget ultimately owns the RenderViewImpl.
render_widget_->CloseWidgetSoon();
}
base::StringPiece RenderViewImpl::GetSessionStorageNamespaceId() {
CHECK(!session_storage_namespace_id_.empty());
return session_storage_namespace_id_;
}
void RenderViewImpl::PrintPage(WebLocalFrame* frame) {
UMA_HISTOGRAM_BOOLEAN("PrintPreview.InitiatedByScript",
frame->Top() == frame);
// Logging whether the top frame is remote is sufficient in this case. If
// the top frame is local, the printing code will function correctly and
// the frame itself will be printed, so the cases this histogram tracks is
// where printing of a subframe will fail as of now.
UMA_HISTOGRAM_BOOLEAN("PrintPreview.OutOfProcessSubframe",
frame->Top()->IsWebRemoteFrame());
RenderFrameImpl::FromWebFrame(frame)->ScriptedPrint(
GetWidget()->input_handler().handling_input_event());
}
void RenderViewImpl::AttachWebFrameWidget(blink::WebFrameWidget* frame_widget) {
// The previous WebFrameWidget must already be detached by CloseForFrame().
DCHECK(!frame_widget_);
frame_widget_ = frame_widget;
// Initialization for the WebFrameWidget that should only occur for the main
// frame, and that uses types not allowed in blink. This should maybe be
// passed to the creation of the WebFrameWidget or the main RenderFrame.
const base::CommandLine& command_line =
*base::CommandLine::ForCurrentProcess();
render_widget_->SetShowFPSCounter(
command_line.HasSwitch(cc::switches::kShowFPSCounter));
}
void RenderViewImpl::DetachWebFrameWidget() {
DCHECK(GetWidget()->is_frozen() || GetWidget()->is_closing());
DCHECK(frame_widget_);
frame_widget_->Close();
frame_widget_ = nullptr;
}
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 (auto& observer : observers_)
observer.OnZoomLevelChanged();
}
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::kWebTextDirectionLeftToRight) {
*wrapped_main_text =
base::i18n::GetDisplayStringInLTRDirectionality(*wrapped_main_text);
} else if (main_text_hint == blink::kWebTextDirectionRightToLeft &&
!base::i18n::IsRTL()) {
base::i18n::WrapStringWithRTLFormatting(wrapped_main_text);
}
if (!wrapped_sub_text->empty()) {
if (sub_text_hint == blink::kWebTextDirectionLeftToRight) {
*wrapped_sub_text =
base::i18n::GetDisplayStringInLTRDirectionality(*wrapped_sub_text);
} else if (sub_text_hint == blink::kWebTextDirectionRightToLeft) {
base::i18n::WrapStringWithRTLFormatting(wrapped_sub_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;
}
}
void RenderViewImpl::StartNavStateSyncTimerIfNecessary(RenderFrameImpl* frame) {
// Keep track of which frames have pending updates.
frames_with_pending_state_.insert(frame->GetRoutingID());
int delay;
if (send_content_state_immediately_)
delay = 0;
else if (GetWebView()->IsHidden())
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();
}
// Tell each frame with pending state to inform the browser.
nav_state_sync_timer_.Start(FROM_HERE, base::TimeDelta::FromSeconds(delay),
this, &RenderViewImpl::SendFrameStateUpdates);
}
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_);
}
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) {
RenderFrameImpl* previous_frame = nullptr;
if (!fromNode.IsNull())
previous_frame =
RenderFrameImpl::FromWebFrame(fromNode.GetDocument().GetFrame());
RenderFrameImpl* new_frame = nullptr;
if (!toNode.IsNull())
new_frame = RenderFrameImpl::FromWebFrame(toNode.GetDocument().GetFrame());
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::DidUpdateMainFrameLayout() {
for (auto& observer : observers_)
observer.DidUpdateMainFrameLayout();
// The main frame may have changed size.
needs_preferred_size_update_ = true;
}
void RenderViewImpl::NavigateBackForwardSoon(int offset,
bool has_user_gesture) {
history_navigation_virtual_time_pauser_ =
RenderThreadImpl::current()
->GetWebMainThreadScheduler()
->CreateWebScopedVirtualTimePauser(
"NavigateBackForwardSoon",
blink::WebScopedVirtualTimePauser::VirtualTaskDuration::kInstant);
history_navigation_virtual_time_pauser_.PauseVirtualTime();
}
void RenderViewImpl::DidCommitProvisionalHistoryLoad() {
history_navigation_virtual_time_pauser_.UnpauseVirtualTime();
}
void RenderViewImpl::RegisterRendererPreferenceWatcher(
blink::mojom::RendererPreferenceWatcherPtr watcher) {
renderer_preference_watchers_.AddPtr(std::move(watcher));
}
int RenderViewImpl::HistoryBackListCount() {
return history_list_offset_ < 0 ? 0 : history_list_offset_;
}
int RenderViewImpl::HistoryForwardListCount() {
return history_list_length_ - HistoryBackListCount() - 1;
}
// blink::WebWidgetClient ----------------------------------------------------
bool RenderViewImpl::CanHandleGestureEvent() {
return true;
}
// TODO(https://crbug.com/937569): Remove this in Chrome 82.
bool RenderViewImpl::AllowPopupsDuringPageUnload() {
const base::CommandLine& command_line =
*base::CommandLine::ForCurrentProcess();
return command_line.HasSwitch(switches::kAllowPopupsDuringPageUnload);
}
bool RenderViewImpl::CanUpdateLayout() {
return true;
}
// blink::WebLocalFrameClient
// -----------------------------------------------------
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() {
return renderer_preferences_.accept_languages;
}
void RenderViewImpl::UpdateBrowserControlsState(
BrowserControlsState constraints,
BrowserControlsState current,
bool animate) {
TRACE_EVENT2("renderer", "RenderViewImpl::UpdateBrowserControlsState",
"Constraint", static_cast<int>(constraints), "Current",
static_cast<int>(current));
TRACE_EVENT_INSTANT1("renderer", "is_animated", TRACE_EVENT_SCOPE_THREAD,
"animated", animate);
if (GetWidget() && GetWidget()->layer_tree_view()) {
GetWidget()->layer_tree_view()->UpdateBrowserControlsState(
ContentToCc(constraints), ContentToCc(current), animate);
}
top_controls_constraints_ = constraints;
}
#if defined(OS_ANDROID) || defined(OS_CHROMEOS)
void RenderViewImpl::didScrollWithKeyboard(const blink::WebSize& delta) {
if (delta.height == 0)
return;
BrowserControlsState current = delta.height < 0
? BROWSER_CONTROLS_STATE_SHOWN
: BROWSER_CONTROLS_STATE_HIDDEN;
UpdateBrowserControlsState(top_controls_constraints_, current, true);
}
#endif
void RenderViewImpl::ConvertViewportToWindowViaWidget(blink::WebRect* rect) {
render_widget_->ConvertViewportToWindow(rect);
}
gfx::RectF RenderViewImpl::ElementBoundsInWindow(
const blink::WebElement& element) {
blink::WebRect bounding_box_in_window = element.BoundsInViewport();
render_widget_->ConvertViewportToWindow(&bounding_box_in_window);
return gfx::RectF(bounding_box_in_window);
}
void RenderViewImpl::UpdatePreferredSize() {
// 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;
if (!needs_preferred_size_update_)
return;
needs_preferred_size_update_ = false;
blink::WebSize tmp_size = webview()->ContentsPreferredMinimumSize();
blink::WebRect tmp_rect(0, 0, tmp_size.width, tmp_size.height);
render_widget_->ConvertViewportToWindow(&tmp_rect);
gfx::Size size(tmp_rect.width, tmp_rect.height);
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) {
// This method is an override of IPC::Sender, but RenderWidget also has an
// override of IPC::Sender, so this method also overrides RenderWidget. Thus
// we must call to the base class, not via an upcast or virtual dispatch would
// go back here.
CHECK(message->routing_id() != MSG_ROUTING_NONE);
// TODO(ajwong): Don't delegate to render widget. Filter here.
return GetWidget()->Send(message);
}
RenderWidget* RenderViewImpl::GetWidget() {
return render_widget_;
}
const RenderWidget* RenderViewImpl::GetWidget() const {
return render_widget_;
}
RenderFrameImpl* RenderViewImpl::GetMainRenderFrame() {
return main_render_frame_;
}
int RenderViewImpl::GetRoutingID() {
return routing_id_;
}
gfx::Size RenderViewImpl::GetSize() {
return GetWidget()->size();
}
float RenderViewImpl::GetDeviceScaleFactor() {
return GetWidget()->GetWebScreenInfo().device_scale_factor;
}
float RenderViewImpl::GetZoomLevel() {
return page_zoom_level_;
}
const 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::GetContentStateImmediately() {
return send_content_state_immediately_;
}
void RenderViewImpl::OnSetPageScale(float page_scale_factor) {
if (!webview())
return;
webview()->SetPageScaleFactor(page_scale_factor);
}
void RenderViewImpl::UpdateZoomLevel(double zoom_level) {
webview()->CancelPagePopup();
SetZoomLevel(zoom_level);
}
void RenderViewImpl::ApplyPageHidden(bool hidden, bool initial_setting) {
webview()->SetIsHidden(hidden, initial_setting);
// Note: RenderWidget visibility is separately set from the IPC handlers, and
// does not change when tests override the visibility of the Page.
}
void RenderViewImpl::OnUpdateWebPreferences(const WebPreferences& prefs) {
webkit_preferences_ = prefs;
ApplyWebPreferences(webkit_preferences_, webview());
}
void RenderViewImpl::OnEnablePreferredSizeChangedMode() {
if (send_preferred_size_changes_)
return;
send_preferred_size_changes_ = true;
if (!webview())
return;
needs_preferred_size_update_ = true;
// We need to ensure |UpdatePreferredSize| gets called. If a layout is needed,
// force an update here which will call |DidUpdateMainFrameLayout|.
webview()->MainFrameWidget()->UpdateLifecycle(
WebWidget::LifecycleUpdate::kLayout,
WebWidget::LifecycleUpdateReason::kOther);
// If a layout was not needed, |DidUpdateMainFrameLayout| will not be called.
// We explicitly update the preferred size here to ensure the preferred size
// notification is sent.
UpdatePreferredSize();
}
void RenderViewImpl::OnSetRendererPrefs(
const blink::mojom::RendererPreferences& renderer_prefs) {
std::string old_accept_languages = renderer_preferences_.accept_languages;
renderer_preferences_ = renderer_prefs;
renderer_preference_watchers_.ForAllPtrs(
[&renderer_prefs](blink::mojom::RendererPreferenceWatcher* watcher) {
watcher->NotifyUpdate(renderer_prefs.Clone());
});
UpdateFontRenderingFromRendererPrefs();
UpdateThemePrefs();
blink::SetCaretBlinkInterval(
renderer_prefs.caret_blink_interval.has_value()
? renderer_prefs.caret_blink_interval.value()
: base::TimeDelta::FromMilliseconds(
blink::mojom::kDefaultCaretBlinkIntervalInMilliseconds));
#if BUILDFLAG(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()->MainFrameWidget()->ThemeChanged();
}
}
#endif // BUILDFLAG(USE_DEFAULT_RENDER_THEME)
if (webview() &&
old_accept_languages != renderer_preferences_.accept_languages) {
webview()->AcceptLanguagesChanged();
}
}
void RenderViewImpl::OnPluginActionAt(const gfx::Point& location,
const WebPluginAction& action) {
if (webview())
webview()->PerformPluginAction(action, location);
}
void RenderViewImpl::OnClosePage() {
// ViewMsg_ClosePage should only be sent to active, non-swapped-out views.
DCHECK(webview()->MainFrame()->IsWebLocalFrame());
// 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()->ToWebLocalFrame()->DispatchUnloadEvent();
Send(new ViewHostMsg_ClosePage_ACK(GetRoutingID()));
}
void RenderViewImpl::OnMoveOrResizeStarted() {
if (webview())
webview()->CancelPagePopup();
}
void RenderViewImpl::OnPageWasHidden() {
#if defined(OS_ANDROID)
SuspendVideoCaptureDevices(true);
#endif
ApplyPageHidden(/*hidden=*/true, /*initial_setting=*/false);
}
void RenderViewImpl::OnPageWasShown() {
#if defined(OS_ANDROID)
SuspendVideoCaptureDevices(false);
#endif
ApplyPageHidden(/*hidden=*/false, /*initial_setting=*/false);
}
void RenderViewImpl::OnUpdateScreenInfo(const ScreenInfo& screen_info) {
// This IPC only updates the screen info on RenderViews that have a remote
// main frame. For local main frames, the ScreenInfo is updated in
// ViewMsg_Resize.
// TODO(danakj): Move this message to RenderWidget?
if (!main_render_frame_)
GetWidget()->set_screen_info(screen_info);
}
void RenderViewImpl::SetPageFrozen(bool frozen) {
if (webview())
webview()->SetPageFrozen(frozen);
}
void RenderViewImpl::SetFocus(bool enable) {
// This is not an IPC message, don't go through the IPC handler. This is used
// in cases where the IPC message should not happen.
GetWidget()->SetFocus(enable);
}
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::PageScaleFactorChanged(float page_scale_factor,
bool is_pinch_gesture_active) {
if (!webview())
return;
Send(new ViewHostMsg_PageScaleFactorChanged(GetRoutingID(),
page_scale_factor));
// TODO(wjmaclean): Merge this into RenderWidget's
// SetPageScaleFactorAndLimits().
GetWidget()->PageScaleFactorChanged(page_scale_factor,
is_pinch_gesture_active);
}
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));
}
void RenderViewImpl::DidAutoResize(const blink::WebSize& newSize) {
GetWidget()->DidAutoResize(newSize);
}
void RenderViewImpl::DidFocus(blink::WebLocalFrame* calling_frame) {
// 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(calling_frame) &&
!RenderThreadImpl::current()->web_test_mode()) {
Send(new ViewHostMsg_Focus(GetRoutingID()));
// Tattle on the frame that called |window.focus()|.
RenderFrameImpl* calling_render_frame =
RenderFrameImpl::FromWebFrame(calling_frame);
if (calling_render_frame)
calling_render_frame->FrameDidCallFocus();
}
}
blink::WebScreenInfo RenderViewImpl::GetScreenInfo() {
const ScreenInfo& info = GetWidget()->screen_info();
blink::WebScreenInfo web_screen_info;
web_screen_info.device_scale_factor = info.device_scale_factor;
web_screen_info.color_space = info.color_space;
web_screen_info.depth = info.depth;
web_screen_info.depth_per_component = info.depth_per_component;
web_screen_info.is_monochrome = info.is_monochrome;
web_screen_info.rect = blink::WebRect(info.rect);
web_screen_info.available_rect = blink::WebRect(info.available_rect);
switch (info.orientation_type) {
case SCREEN_ORIENTATION_VALUES_PORTRAIT_PRIMARY:
web_screen_info.orientation_type =
blink::kWebScreenOrientationPortraitPrimary;
break;
case SCREEN_ORIENTATION_VALUES_PORTRAIT_SECONDARY:
web_screen_info.orientation_type =
blink::kWebScreenOrientationPortraitSecondary;
break;
case SCREEN_ORIENTATION_VALUES_LANDSCAPE_PRIMARY:
web_screen_info.orientation_type =
blink::kWebScreenOrientationLandscapePrimary;
break;
case SCREEN_ORIENTATION_VALUES_LANDSCAPE_SECONDARY:
web_screen_info.orientation_type =
blink::kWebScreenOrientationLandscapeSecondary;
break;
default:
web_screen_info.orientation_type = blink::kWebScreenOrientationUndefined;
break;
}
web_screen_info.orientation_angle = info.orientation_angle;
return web_screen_info;
}
#if defined(OS_ANDROID)
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();
}
void RenderViewImpl::SuspendVideoCaptureDevices(bool suspend) {
if (!main_render_frame_)
return;
MediaStreamDeviceObserver* media_stream_device_observer =
main_render_frame_->GetMediaStreamDeviceObserver();
if (!media_stream_device_observer)
return;
blink::MediaStreamDevices video_devices =
media_stream_device_observer->GetNonScreenCaptureDevices();
RenderThreadImpl::current()->video_capture_impl_manager()->SuspendDevices(
video_devices, suspend);
}
#endif // defined(OS_ANDROID)
unsigned RenderViewImpl::GetLocalSessionHistoryLengthForTesting() const {
return history_list_length_;
}
void RenderViewImpl::SetFocusAndActivateForTesting(bool enable) {
// If the main frame is remote, return immediately. Page level focus
// should be set from the browser process, so if needed by tests it should
// be properly supported.
if (webview()->MainFrame()->IsWebRemoteFrame())
return;
if (enable == GetWidget()->has_focus())
return;
if (enable) {
SetActiveForWidget(true);
// Fake an IPC message so go through the IPC handler.
GetWidget()->OnSetFocus(true);
} else {
// Fake an IPC message so go through the IPC handler.
GetWidget()->OnSetFocus(false);
SetActiveForWidget(false);
}
}
void RenderViewImpl::OnAnimateDoubleTapZoomInMainFrame(
const blink::WebPoint& point,
const blink::WebRect& bound) {
webview()->AnimateDoubleTapZoom(point, bound);
}
void RenderViewImpl::OnZoomToFindInPageRect(
const blink::WebRect& rect_to_zoom) {
webview()->ZoomToFindInPageRect(rect_to_zoom);
}
void RenderViewImpl::OnSetBackgroundOpaque(bool opaque) {
if (!webview())
return;
if (opaque) {
webview()->ClearBaseBackgroundColorOverride();
webview()->ClearBackgroundColorOverride();
} else {
webview()->SetBaseBackgroundColorOverride(SK_ColorTRANSPARENT);
webview()->SetBackgroundColorOverride(SK_ColorTRANSPARENT);
}
}
// static
scoped_refptr<base::SingleThreadTaskRunner>
RenderViewImpl::GetCleanupTaskRunner() {
return RenderThreadImpl::current_blink_platform_impl()
->main_thread_scheduler()
->CleanupTaskRunner();
}
} // namespace content