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// 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.
#ifndef ASH_SCREENSAVER_SCREENSAVER_VIEW_H_
#define ASH_SCREENSAVER_SCREENSAVER_VIEW_H_
#include "ash/ash_export.h"
#include "base/callback.h"
#include "content/public/browser/web_contents_observer.h"
#include "ui/views/widget/widget_delegate.h"
#include "url/gurl.h"
namespace content {
class BrowserContent;
}
namespace views {
class WebView;
}
namespace ash {
namespace test {
class ScreensaverViewTest;
}
ASH_EXPORT void ShowScreensaver(const GURL& url);
ASH_EXPORT void CloseScreensaver();
ASH_EXPORT bool IsScreensaverShown();
typedef
base::Callback<views::WebView*(content::BrowserContext*)> WebViewFactory;
namespace internal {
// Shows a URL as a screensaver. The screensaver window is fullscreen,
// always on top of every other window and will reload the URL if the
// renderer crashes for any reason.
class ScreensaverView : public views::WidgetDelegateView,
public content::WebContentsObserver {
public:
static void ShowScreensaver(const GURL& url);
static void CloseScreensaver();
static bool IsScreensaverShown();
private:
friend class test::ScreensaverViewTest;
explicit ScreensaverView(const GURL& url);
virtual ~ScreensaverView();
// views::WidgetDelegate overrides.
virtual views::View* GetContentsView() OVERRIDE;
// content::WebContentsObserver overrides.
virtual void RenderProcessGone(base::TerminationStatus status) OVERRIDE;
void Show();
void Close();
// Creates and adds web contents to our view.
void AddChildWebContents();
// Load the screensaver in the WebView's webcontent. If the webcontents
// don't exist, they'll be created by WebView.
void LoadScreensaver();
// Creates and shows a frameless full screen window containing our view.
void ShowWindow();
// For testing purposes.
static ASH_EXPORT ScreensaverView* GetInstance();
ASH_EXPORT bool IsScreensaverShowingURL(const GURL& url);
// URL to show in the screensaver.
GURL url_;
// Number of times the screensaver has been terminated (usually this will be
// synonymous with the number of times it has crashed).
int termination_count_;
// Host for the extension that implements this dialog.
views::WebView* screensaver_webview_;
// Window that holds the screensaver webview.
views::Widget* container_window_;
DISALLOW_COPY_AND_ASSIGN(ScreensaverView);
};
} // namespace internal
} // namespace ash
#endif // ASH_SCREENSAVER_SCREENSAVER_VIEW_H_
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