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// Copyright 2008, Google Inc.
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
//
// * Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
// * Redistributions in binary form must reproduce the above
// copyright notice, this list of conditions and the following disclaimer
// in the documentation and/or other materials provided with the
// distribution.
// * Neither the name of Google Inc. nor the names of its
// contributors may be used to endorse or promote products derived from
// this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#ifndef CHROME_VIEWS_NON_CLIENT_VIEW_H_
#define CHROME_VIEWS_NON_CLIENT_VIEW_H_
#include "chrome/views/view.h"
namespace gfx {
class Path;
}
namespace ChromeViews {
class ClientView;
///////////////////////////////////////////////////////////////////////////////
// NonClientView
//
// An object implementing the NonClientView interface is a View that provides
// the "non-client" areas of a window. This is the area that typically
// encompasses the window frame - title bar, sizing borders and window
// controls. This interface provides methods that allow a specific
// presentation to define non-client areas for windows hit testing, the shape
// of the window, and other window-related information.
//
class NonClientView : public View {
public:
// Calculates the bounds of the client area of the window assuming the
// window is sized to |width| and |height|.
virtual gfx::Rect CalculateClientAreaBounds(int width,
int height) const = 0;
// Calculates the size of window required to display a client area of the
// specified width and height.
virtual gfx::Size CalculateWindowSizeForClientSize(int width,
int height) const = 0;
// Returns the point, in screen coordinates, where the system menu should
// be shown so it shows up anchored to the system menu icon.
virtual CPoint GetSystemMenuPoint() const = 0;
// Determines the windows HT* code when the mouse cursor is at the
// specified point, in window coordinates.
virtual int NonClientHitTest(const gfx::Point& point) = 0;
// Returns a mask to be used to clip the top level window for the given
// size. This is used to create the non-rectangular window shape.
virtual void GetWindowMask(const gfx::Size& size,
gfx::Path* window_mask) = 0;
// Toggles the enable state for the Close button (and the Close menu item in
// the system menu).
virtual void EnableClose(bool enable) = 0;
protected:
// Helper for non-client view implementations to determine which area of the
// window border the specified |point| falls within. The other parameters are
// the size of the sizing edges, and whether or not the window can be
// resized.
int GetHTComponentForFrame(const gfx::Point& point,
int resize_area_size,
int resize_area_corner_size,
int top_resize_area_size,
bool can_resize);
};
} // namespace ChromeViews
#endif // #ifndef CHROME_VIEWS_NON_CLIENT_VIEW_H_
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