/*
* Copyright (C) 2011 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:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. 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.
*
* THIS SOFTWARE IS PROVIDED BY GOOGLE INC. AND ITS 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 GOOGLE INC.
* OR ITS 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 PageOverlayList_h
#define PageOverlayList_h
#include "wtf/OwnPtr.h"
#include "wtf/PassOwnPtr.h"
#include "wtf/Vector.h"
namespace WebCore {
class GraphicsContext;
class GraphicsLayer;
}
namespace blink {
class PageOverlay;
class WebPageOverlay;
class WebViewImpl;
class PageOverlayList {
public:
static PassOwnPtr<PageOverlayList> create(WebViewImpl*);
~PageOverlayList();
bool empty() const { return !m_pageOverlays.size(); }
// Adds/removes a PageOverlay for given client.
// Returns true if a PageOverlay is added/removed.
bool add(WebPageOverlay*, int /* zOrder */);
bool remove(WebPageOverlay*);
void update();
void paintWebFrame(WebCore::GraphicsContext&);
size_t findGraphicsLayer(WebCore::GraphicsLayer*);
private:
typedef Vector<OwnPtr<PageOverlay>, 2> PageOverlays;
explicit PageOverlayList(WebViewImpl*);
// Returns the index of the client found. Otherwise, returns WTF::kNotFound.
size_t find(WebPageOverlay*);
WebViewImpl* m_viewImpl;
PageOverlays m_pageOverlays;
};
} // namespace blink
#endif // PageOverlayList_h