Screensaver implementation for ChromeOS.

ash/screensaver/screensaver_view.cc

 // 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 "ash/screensaver/screensaver_view.h"
 
 #include "ash/shell.h"
 #include "ash/shell_delegate.h"
 #include "base/bind.h"
 #include "base/logging.h"
@@ skipping 21 matching lines @@
 namespace ash {
 
 void ShowScreensaver(const GURL& url) {
   internal::ScreensaverView::ShowScreensaver(url);
 }
 
 void CloseScreensaver() {
   internal::ScreensaverView::CloseScreensaver();
 }
 
+bool IsScreensaverShown() {
+  return internal::ScreensaverView::IsScreensaverShown();
+}
+
 namespace internal {
 
 // static
 void ScreensaverView::ShowScreensaver(const GURL& url) {
   if (!g_instance) {
     g_instance = new ScreensaverView(url);
     g_instance->Show();
   }
 }
 
 // static
 void ScreensaverView::CloseScreensaver() {
   if (g_instance) {
     g_instance->Close();
     g_instance = NULL;
   }
 }
+// static
+bool ScreensaverView::IsScreensaverShown() {
+  if (g_instance)

[Matt Perry, 2013/01/31 00:37:23]

nit: can simplify to "return g_instance && g_instance->IsShowing...;"

[rkc, 2013/01/31 02:15:46]

Done.

+    return g_instance->IsScreensaverShowingURL(g_instance->url_);
+  else
+    return false;
+}
+
+bool ScreensaverView::IsScreensaverShowingURL(const GURL& url) {
+  if (screensaver_webview_ &&
+      screensaver_webview_->web_contents() &&
+      screensaver_webview_->web_contents()->GetURL() == url) {

[Matt Perry, 2013/01/31 00:37:23]

ditto, just return this expression

[rkc, 2013/01/31 02:15:46]

Done.

+    return true;
+  } else {
+    return false;
+  }
+}
 
 ////////////////////////////////////////////////////////////////////////////////
 // ScreensaverView, views::WidgetDelegateView implementation.
 views::View* ScreensaverView::GetContentsView() {
   return this;
 }
 
 ////////////////////////////////////////////////////////////////////////////////
 // ScreensaverView, content::WebContentsObserver implementation.
 void ScreensaverView::RenderViewGone(
@@ skipping 77 matching lines @@
   container_window_->Show();
 }
 
 // static
 ScreensaverView* ScreensaverView::GetInstance() {
   return g_instance;
 }
 
 }  // namespace internal
 }  // namespace ash