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// Copyright (c) 2011 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 UI_AURA_SHELL_WORKSPACE_CONTROLLER_H_
#define UI_AURA_SHELL_WORKSPACE_CONTROLLER_H_
#pragma once
#include "base/basictypes.h"
#include "base/memory/scoped_ptr.h"
#include "ui/aura/desktop_observer.h"
#include "ui/aura_shell/aura_shell_export.h"
#include "ui/aura_shell/launcher/launcher_model_observer.h"
#include "ui/aura_shell/workspace/workspace_observer.h"
namespace aura {
class Window;
}
namespace gfx {
class Size;
}
namespace aura_shell {
class LauncherModel;
namespace internal {
class WorkspaceManager;
// WorkspaceControlls owns a WorkspaceManager. WorkspaceControlls bridges
// events From DesktopObserver translating them to WorkspaceManager, and
// a move event between Laucher and Workspace.
class AURA_SHELL_EXPORT WorkspaceController :
public aura::DesktopObserver,
public aura_shell::internal::WorkspaceObserver,
public aura_shell::LauncherModelObserver {
public:
explicit WorkspaceController(aura::Window* workspace_viewport);
virtual ~WorkspaceController();
void ToggleOverview();
void SetLauncherModel(LauncherModel* launcher_model);
// Returns the workspace manager that this controler owns.
WorkspaceManager* workspace_manager() {
return workspace_manager_.get();
}
// DesktopObserver overrides:
virtual void OnDesktopResized(const gfx::Size& new_size) OVERRIDE;
virtual void OnActiveWindowChanged(aura::Window* active) OVERRIDE;
// WorkspaceObserver overrides:
virtual void WindowMoved(WorkspaceManager* manager,
aura::Window* source,
aura::Window* target) OVERRIDE;
virtual void ActiveWorkspaceChanged(WorkspaceManager* manager,
Workspace* old) OVERRIDE;
// Invoked after an item has been added to the model.
virtual void LauncherItemAdded(int index) OVERRIDE;
virtual void LauncherItemRemoved(int index) OVERRIDE;
virtual void LauncherItemMoved(int start_index, int target_index) OVERRIDE;
virtual void LauncherItemImagesChanged(int index) OVERRIDE;
private:
scoped_ptr<WorkspaceManager> workspace_manager_;
// Owned by Launcher.
LauncherModel* launcher_model_;
// True while the controller is moving window either on workspace or launcher.
// Used to prevent infinite recursive call between the workspace and launcher.
bool ignore_move_event_;
DISALLOW_COPY_AND_ASSIGN(WorkspaceController);
};
} // namespace internal
} // namespace aura_shell
#endif // UI_AURA_SHELL_WORKSPACE_CONTROLLER_H_
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