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// Copyright 2014 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 EXTENSIONS_SHELL_BROWSER_DESKTOP_CONTROLLER_H_
#define EXTENSIONS_SHELL_BROWSER_DESKTOP_CONTROLLER_H_
namespace aura {
class Window;
class WindowTreeHost;
}
namespace content {
class BrowserContext;
}
namespace extensions {
class AppWindow;
class Extension;
class ShellAppWindow;
// DesktopController is an interface to construct the window environment in
// extensions shell. ShellDesktopController provides a default implementation
// for app_shell, and embedder (such as athena) can provide its own.
// TODO(jamescook|oshima): Clean up this interface now that there is only one
// way to create an app window.
class DesktopController {
public:
DesktopController();
virtual ~DesktopController();
// Returns the single instance of the desktop. (Stateless functions like
// ShellAppWindowCreateFunction need to be able to access the desktop, so
// we need a singleton somewhere).
static DesktopController* instance();
// Returns the WindowTreeHost created by this DesktopController.
virtual aura::WindowTreeHost* GetHost() = 0;
// Creates a new app window and adds it to the desktop. The desktop maintains
// ownership of the window. The window must be closed before |extension| is
// destroyed.
virtual AppWindow* CreateAppWindow(content::BrowserContext* context,
const Extension* extension) = 0;
// Attaches the window to our window hierarchy.
virtual void AddAppWindow(aura::Window* window) = 0;
// Closes and destroys the app windows.
virtual void CloseAppWindows() = 0;
};
} // namespace extensions
#endif // EXTENSIONS_SHELL_BROWSER_DESKTOP_CONTROLLER_H_
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