/* * 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; } namespace WebKit { 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&); private: typedef Vector<OwnPtr<PageOverlay>, 2> PageOverlays; explicit PageOverlayList(WebViewImpl*); // Returns the index of the client found. Otherwise, returns WTF::notFound. size_t find(WebPageOverlay*); WebViewImpl* m_viewImpl; PageOverlays m_pageOverlays; }; } // namespace WebKit #endif // PageOverlayList_h