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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_DEFAULT_CONTAINER_LAYOUT_MANAGER_H_
#define UI_AURA_SHELL_DEFAULT_CONTAINER_LAYOUT_MANAGER_H_
#pragma once
#include "base/basictypes.h"
#include "base/compiler_specific.h"
#include "base/memory/scoped_ptr.h"
#include "ui/aura/layout_manager.h"
#include "ui/aura_shell/aura_shell_export.h"
namespace aura {
class MouseEvent;
class Window;
}
namespace gfx {
class Rect;
}
namespace aura_shell {
namespace internal {
class ShowStateController;
class WorkspaceManager;
// LayoutManager for the default window container.
class AURA_SHELL_EXPORT DefaultContainerLayoutManager
: public aura::LayoutManager {
public:
explicit DefaultContainerLayoutManager(WorkspaceManager* workspace_manager);
virtual ~DefaultContainerLayoutManager();
// Returns the workspace manager for this container.
WorkspaceManager* workspace_manager() {
return workspace_manager_;
}
// Invoked when a window receives drag event.
void PrepareForMoveOrResize(aura::Window* drag, aura::MouseEvent* event);
// Invoked when a drag event didn't start any drag operation.
void CancelMoveOrResize(aura::Window* drag, aura::MouseEvent* event);
// Invoked when a drag event moved the |window|.
void ProcessMove(aura::Window* window, aura::MouseEvent* event);
// Invoked when a user finished moving window.
void EndMove(aura::Window* drag, aura::MouseEvent* evnet);
// Invoked when a user finished resizing window.
void EndResize(aura::Window* drag, aura::MouseEvent* evnet);
// Overridden from aura::LayoutManager:
virtual void OnWindowResized() OVERRIDE;
virtual void OnWindowAddedToLayout(aura::Window* child) OVERRIDE;
virtual void OnWillRemoveWindowFromLayout(aura::Window* child) OVERRIDE;
virtual void OnChildWindowVisibilityChanged(aura::Window* child,
bool visibile) OVERRIDE;
virtual void SetChildBounds(aura::Window* child,
const gfx::Rect& requested_bounds) OVERRIDE;
private:
// Owned by WorkspaceController.
WorkspaceManager* workspace_manager_;
// A window that are currently moved or resized. Used to put
// different constraints on drag window.
aura::Window* drag_window_;
scoped_ptr<ShowStateController> show_state_controller_;
DISALLOW_COPY_AND_ASSIGN(DefaultContainerLayoutManager);
};
} // namespace internal
} // namespace aura_shell
#endif // UI_AURA_SHELL_DEFAULT_CONTAINER_LAYOUT_MANAGER_H_
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