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// Copyright (c) 2006-2008 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 CHROME_VIEWS_CONTAINER_H_
#define CHROME_VIEWS_CONTAINER_H_
// TODO(maruel): Remove once HWND is abstracted.
#include <windows.h>
// TODO(maruel): Remove once gfx::Rect is used instead.
namespace WTL {
class CRect;
}
using WTL::CRect;
namespace views {
class RootView;
class TooltipManager;
class Accelerator;
/////////////////////////////////////////////////////////////////////////////
//
// Container interface
//
// Container is an abstract class that defines the API that should be
// implemented by a CWindow / HWND implementation in order to host a view
// hierarchy.
//
// Container wraps a hierarchy of View objects (see view.h) that implement
// painting and flexible layout within the bounds of the Container's window.
//
// The Container is responsible for handling various system events and
// forwarding them to the appropriate view.
//
/////////////////////////////////////////////////////////////////////////////
class Container {
public:
virtual ~Container() { }
// Returns the bounds of this container in the screen coordinate system.
// If the receiving view container is a frame which is larger than its
// client area, this method returns the client area if including_frame is
// false and the frame bounds otherwise. If the receiving view container
// is not a frame, including_frame is ignored.
virtual void GetBounds(CRect *out, bool including_frame) const = 0;
// Moves this view container to the front of the Z-Order
// If should_activate is TRUE, the window should also become the active
// window
virtual void MoveToFront(bool should_activate) = 0;
// Returns the Window HWND associated with this container
virtual HWND GetHWND() const = 0;
// Forces a paint of a specified rectangle immediately.
virtual void PaintNow(const CRect& update_rect) = 0;
// Returns the RootView contained by this container
virtual RootView* GetRootView() = 0;
// Returns whether the view container is visible to the user
virtual bool IsVisible() = 0;
// Returns whether the view container is the currently active window.
virtual bool IsActive() = 0;
// Returns the TooltipManager for this Container. If this Container does not
// support tooltips, NULL is returned.
virtual TooltipManager* GetTooltipManager() {
return NULL;
}
// Returns the accelerator given a command id. Returns false if there is
// no accelerator associated with a given id, which is a common condition.
virtual bool GetAccelerator(int cmd_id,
Accelerator* accelerator) = 0;
};
} // namespace views
#endif // CHROME_VIEWS_VIEW_CONTAINER_H_
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