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| 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 | |
| 3 // found in the LICENSE file. | |
| 4 | |
| 5 #include "ash/screensaver/screensaver_view.h" | |
| 6 | |
| 7 #include "ash/shell.h" | |
| 8 #include "ash/shell_delegate.h" | |
| 9 #include "base/bind.h" | |
| 10 #include "base/logging.h" | |
| 11 #include "content/public/browser/browser_context.h" | |
| 12 #include "content/public/browser/browser_thread.h" | |
| 13 #include "content/public/browser/web_contents.h" | |
| 14 #include "ui/aura/window_event_dispatcher.h" | |
| 15 #include "ui/gfx/screen.h" | |
| 16 #include "ui/views/controls/webview/webview.h" | |
| 17 #include "ui/views/layout/fill_layout.h" | |
| 18 #include "ui/views/widget/widget.h" | |
| 19 | |
| 20 using content::BrowserThread; | |
| 21 | |
| 22 namespace { | |
| 23 | |
| 24 ash::ScreensaverView* g_instance = NULL; | |
| 25 | |
| 26 // Do not restart the screensaver again if it has | |
| 27 // terminated kMaxTerminations times already. | |
| 28 const int kMaxTerminations = 3; | |
| 29 | |
| 30 } // namespace | |
| 31 | |
| 32 namespace ash { | |
| 33 | |
| 34 void ShowScreensaver(const GURL& url) { ScreensaverView::ShowScreensaver(url); } | |
| 35 | |
| 36 void CloseScreensaver() { ScreensaverView::CloseScreensaver(); } | |
| 37 | |
| 38 bool IsScreensaverShown() { return ScreensaverView::IsScreensaverShown(); } | |
| 39 | |
| 40 // static | |
| 41 void ScreensaverView::ShowScreensaver(const GURL& url) { | |
| 42 if (!g_instance) { | |
| 43 g_instance = new ScreensaverView(url); | |
| 44 g_instance->Show(); | |
| 45 } | |
| 46 } | |
| 47 | |
| 48 // static | |
| 49 void ScreensaverView::CloseScreensaver() { | |
| 50 if (g_instance) { | |
| 51 g_instance->Close(); | |
| 52 g_instance = NULL; | |
| 53 } | |
| 54 } | |
| 55 | |
| 56 // static | |
| 57 bool ScreensaverView::IsScreensaverShown() { | |
| 58 return g_instance && g_instance->IsScreensaverShowingURL(g_instance->url_); | |
| 59 } | |
| 60 | |
| 61 bool ScreensaverView::IsScreensaverShowingURL(const GURL& url) { | |
| 62 return screensaver_webview_ && | |
| 63 screensaver_webview_->web_contents() && | |
| 64 (screensaver_webview_->web_contents()->GetURL() == url); | |
| 65 } | |
| 66 | |
| 67 //////////////////////////////////////////////////////////////////////////////// | |
| 68 // ScreensaverView, views::WidgetDelegateView implementation. | |
| 69 views::View* ScreensaverView::GetContentsView() { | |
| 70 return this; | |
| 71 } | |
| 72 | |
| 73 //////////////////////////////////////////////////////////////////////////////// | |
| 74 // ScreensaverView, content::WebContentsObserver implementation. | |
| 75 void ScreensaverView::RenderProcessGone( | |
| 76 base::TerminationStatus status) { | |
| 77 LOG(ERROR) << "Screensaver terminated with status " << status; | |
| 78 termination_count_++; | |
| 79 | |
| 80 if (termination_count_ < kMaxTerminations) { | |
| 81 LOG(ERROR) << termination_count_ | |
| 82 << " terminations is under the threshold of " | |
| 83 << kMaxTerminations | |
| 84 << "; reloading Screensaver."; | |
| 85 LoadScreensaver(); | |
| 86 } else { | |
| 87 LOG(ERROR) << "Exceeded termination threshold, closing Screensaver."; | |
| 88 ScreensaverView::CloseScreensaver(); | |
| 89 } | |
| 90 } | |
| 91 | |
| 92 //////////////////////////////////////////////////////////////////////////////// | |
| 93 // ScreensaverView private methods. | |
| 94 ScreensaverView::ScreensaverView(const GURL& url) | |
| 95 : url_(url), | |
| 96 termination_count_(0), | |
| 97 screensaver_webview_(NULL), | |
| 98 container_window_(NULL) { | |
| 99 } | |
| 100 | |
| 101 ScreensaverView::~ScreensaverView() { | |
| 102 } | |
| 103 | |
| 104 void ScreensaverView::Show() { | |
| 105 DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI)); | |
| 106 // Add the WebView to our view. | |
| 107 AddChildWebContents(); | |
| 108 // Show the window. | |
| 109 ShowWindow(); | |
| 110 } | |
| 111 | |
| 112 void ScreensaverView::Close() { | |
| 113 DCHECK(GetWidget()); | |
| 114 GetWidget()->Close(); | |
| 115 } | |
| 116 | |
| 117 void ScreensaverView::AddChildWebContents() { | |
| 118 content::BrowserContext* context = | |
| 119 Shell::GetInstance()->delegate()->GetActiveBrowserContext(); | |
| 120 screensaver_webview_ = new views::WebView(context); | |
| 121 SetLayoutManager(new views::FillLayout); | |
| 122 AddChildView(screensaver_webview_); | |
| 123 | |
| 124 LoadScreensaver(); | |
| 125 content::WebContentsObserver::Observe( | |
| 126 screensaver_webview_->GetWebContents()); | |
| 127 } | |
| 128 | |
| 129 void ScreensaverView::LoadScreensaver() { | |
| 130 screensaver_webview_->GetWebContents()->GetController().LoadURL( | |
| 131 url_, | |
| 132 content::Referrer(), | |
| 133 ui::PAGE_TRANSITION_AUTO_TOPLEVEL, | |
| 134 std::string()); | |
| 135 } | |
| 136 | |
| 137 void ScreensaverView::ShowWindow() { | |
| 138 aura::Window* root_window = ash::Shell::GetPrimaryRootWindow(); | |
| 139 gfx::Rect screen_rect = | |
| 140 Shell::GetScreen()->GetDisplayNearestWindow(root_window).bounds(); | |
| 141 | |
| 142 // We want to be the fullscreen topmost child of the root window. | |
| 143 // There should be nothing ever really that should show up on top of us. | |
| 144 container_window_ = new views::Widget(); | |
| 145 views::Widget::InitParams params( | |
| 146 views::Widget::InitParams::TYPE_WINDOW_FRAMELESS); | |
| 147 params.delegate = this; | |
| 148 params.parent = root_window; | |
| 149 container_window_->Init(params); | |
| 150 | |
| 151 container_window_->StackAtTop(); | |
| 152 container_window_->SetBounds(screen_rect); | |
| 153 container_window_->Show(); | |
| 154 } | |
| 155 | |
| 156 // static | |
| 157 ScreensaverView* ScreensaverView::GetInstance() { | |
| 158 return g_instance; | |
| 159 } | |
| 160 | |
| 161 } // namespace ash | |
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Chromium Code Reviews
Issue 608283003:
Remove retail mode. (Closed)
Base URL: https://chromium.googlesource.com/chromium/src.git@master