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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #include "content/browser/web_contents/web_contents_impl.h" | 5 #include "content/browser/web_contents/web_contents_impl.h" |
6 | 6 |
7 #include <stddef.h> | 7 #include <stddef.h> |
8 | 8 |
9 #include <cmath> | 9 #include <cmath> |
10 #include <utility> | 10 #include <utility> |
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4075 observer.RenderViewHostChanged(old_host, new_host); | 4075 observer.RenderViewHostChanged(old_host, new_host); |
4076 | 4076 |
4077 // Ensure that the associated embedder gets cleared after a RenderViewHost | 4077 // Ensure that the associated embedder gets cleared after a RenderViewHost |
4078 // gets swapped, so we don't reuse the same embedder next time a | 4078 // gets swapped, so we don't reuse the same embedder next time a |
4079 // RenderViewHost is attached to this WebContents. | 4079 // RenderViewHost is attached to this WebContents. |
4080 RemoveBrowserPluginEmbedder(); | 4080 RemoveBrowserPluginEmbedder(); |
4081 } | 4081 } |
4082 | 4082 |
4083 void WebContentsImpl::NotifyFrameSwapped(RenderFrameHost* old_host, | 4083 void WebContentsImpl::NotifyFrameSwapped(RenderFrameHost* old_host, |
4084 RenderFrameHost* new_host) { | 4084 RenderFrameHost* new_host) { |
4085 // Copies the background color from an old WebContents to a new one that | |
4086 // replaces it on the screen. This allows the new WebContents to use the | |
4087 // old one's background color as the starting background color, before having | |
4088 // loaded any contents. As a result, we avoid flashing white when navigating | |
4089 // from a site whith a dark background to another site with a dark background. | |
4090 if (old_host && new_host) { | |
4091 RenderWidgetHostView* old_view = old_host->GetView(); | |
4092 RenderWidgetHostView* new_view = new_host->GetView(); | |
4093 if (old_view && new_view) | |
4094 new_view->SetBackgroundColor(old_view->background_color()); | |
4095 } | |
4096 | |
4097 for (auto& observer : observers_) | 4085 for (auto& observer : observers_) |
4098 observer.RenderFrameHostChanged(old_host, new_host); | 4086 observer.RenderFrameHostChanged(old_host, new_host); |
4099 } | 4087 } |
4100 | 4088 |
4089 void WebContentsImpl::NotifyInitialBackground(SkColor old_background, | |
4090 RenderFrameHost* new_host) { | |
4091 // This code copies the background color from an old WebContents to a new one | |
4092 // that replaces it on the screen. This allows the new WebContents to use the | |
4093 // old one's background color as the starting background color, before having | |
4094 // loaded any contents. As a result, we avoid flashing white when navigating | |
4095 // from a site whith a dark background to another site with a dark background. | |
4096 if (new_host) { | |
4097 RenderWidgetHostView* new_view = new_host->GetView(); | |
4098 if (new_view) { | |
nasko
2017/03/08 22:54:20
nit: No need for {} on one line if statements.
| |
4099 new_view->SetBackgroundColor(old_background); | |
4100 } | |
4101 } | |
4102 } | |
4103 | |
4101 // TODO(avi): Remove this entire function because this notification is already | 4104 // TODO(avi): Remove this entire function because this notification is already |
4102 // covered by two observer functions. http://crbug.com/170921 | 4105 // covered by two observer functions. http://crbug.com/170921 |
4103 void WebContentsImpl::NotifyDisconnected() { | 4106 void WebContentsImpl::NotifyDisconnected() { |
4104 if (!notify_disconnection_) | 4107 if (!notify_disconnection_) |
4105 return; | 4108 return; |
4106 | 4109 |
4107 notify_disconnection_ = false; | 4110 notify_disconnection_ = false; |
4108 NotificationService::current()->Notify( | 4111 NotificationService::current()->Notify( |
4109 NOTIFICATION_WEB_CONTENTS_DISCONNECTED, | 4112 NOTIFICATION_WEB_CONTENTS_DISCONNECTED, |
4110 Source<WebContents>(this), | 4113 Source<WebContents>(this), |
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5419 RenderViewHost* render_view_host = RenderViewHost::From(render_widget_host); | 5422 RenderViewHost* render_view_host = RenderViewHost::From(render_widget_host); |
5420 if (!render_view_host) | 5423 if (!render_view_host) |
5421 continue; | 5424 continue; |
5422 render_view_host_set.insert(render_view_host); | 5425 render_view_host_set.insert(render_view_host); |
5423 } | 5426 } |
5424 for (RenderViewHost* render_view_host : render_view_host_set) | 5427 for (RenderViewHost* render_view_host : render_view_host_set) |
5425 render_view_host->OnWebkitPreferencesChanged(); | 5428 render_view_host->OnWebkitPreferencesChanged(); |
5426 } | 5429 } |
5427 | 5430 |
5428 } // namespace content | 5431 } // namespace content |
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