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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 VIEWS_DESKTOP_DESKTOP_WINDOW_MANAGER_H_
#define VIEWS_DESKTOP_DESKTOP_WINDOW_MANAGER_H_
#pragma once
#include <vector>
#include "base/basictypes.h"
#include "base/compiler_specific.h"
#include "base/scoped_ptr.h"
#include "views/widget/widget.h"
#include "views/widget/window_manager.h"
namespace gfx {
class Point;
}
namespace views {
namespace desktop {
class WindowController;
// A tentative window manager for views destktop until we have *right*
// implementation based on aura/layer API. This is minimum
// implmenetation and complicated actio like moving transformed window
// doesn't work.
class DesktopWindowManager : public views::WindowManager,
public Widget::Observer {
public:
DesktopWindowManager(Widget* desktop);
virtual ~DesktopWindowManager();
void UpdateWindowsAfterScreenSizeChanged(const gfx::Rect& new_size);
// views::WindowManager implementations:
virtual void StartMoveDrag(views::Widget* widget,
const gfx::Point& point) OVERRIDE;
virtual void StartResizeDrag(views::Widget* widget,
const gfx::Point& point,
int hittest_code);
virtual bool SetMouseCapture(views::Widget* widget) OVERRIDE;
virtual bool ReleaseMouseCapture(views::Widget* widget) OVERRIDE;
virtual bool HasMouseCapture(const views::Widget* widget) const OVERRIDE;
virtual bool HandleKeyEvent(views::Widget* widget,
const views::KeyEvent& event) OVERRIDE;
virtual bool HandleMouseEvent(views::Widget* widget,
const views::MouseEvent& event) OVERRIDE;
virtual ui::TouchStatus HandleTouchEvent(views::Widget* widget,
const views::TouchEvent& event) OVERRIDE;
virtual void Register(Widget* widget) OVERRIDE;
private:
// Overridden from Widget::Observer.
virtual void OnWidgetClosing(Widget* widget) OVERRIDE;
virtual void OnWidgetVisibilityChanged(Widget* widget, bool visible) OVERRIDE;
virtual void OnWidgetActivationChanged(Widget* widget, bool active) OVERRIDE;
void SetMouseCapture();
void ReleaseMouseCapture();
bool HasMouseCapture() const;
void Activate(Widget* widget);
// Returns true if a deactivated widget at the location was activated. Returns
// false otherwise.
bool ActivateWidgetAtLocation(Widget* widget, const gfx::Point& point);
views::Widget* desktop_;
views::Widget* mouse_capture_;
views::Widget* active_widget_;
// An unordered list of all the top-level Widgets.
std::vector<views::Widget*> toplevels_;
scoped_ptr<WindowController> window_controller_;
DISALLOW_COPY_AND_ASSIGN(DesktopWindowManager);
};
// An behavioral interface for objects implements window resize/movement.
class WindowController {
public:
WindowController();
virtual ~WindowController();
virtual bool OnMouseEvent(const views::MouseEvent& event) = 0;
private:
DISALLOW_COPY_AND_ASSIGN(WindowController);
};
} // namespace desktop
} // namespace views
#endif // VIEWS_DESKTOP_DESKTOP_WINDOW_MANAGER_H_
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