DrawingAreaImpl.h revision ab9e7a118cf1ea2e3a93dce683b2ded3e7291ddb
165f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch/* 265f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch * Copyright (C) 2011 Apple Inc. All rights reserved. 365f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch * 465f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch * Redistribution and use in source and binary forms, with or without 565f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch * modification, are permitted provided that the following conditions 665f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch * are met: 765f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch * 1. Redistributions of source code must retain the above copyright 865f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch * notice, this list of conditions and the following disclaimer. 965f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch * 2. Redistributions in binary form must reproduce the above copyright 1065f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch * notice, this list of conditions and the following disclaimer in the 1165f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch * documentation and/or other materials provided with the distribution. 1265f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch * 1365f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' 1465f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, 1565f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 1665f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS 1765f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 1865f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 1965f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 2065f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 2165f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 2265f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF 2365f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch * THE POSSIBILITY OF SUCH DAMAGE. 2465f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch */ 2565f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch 2665f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch#ifndef DrawingAreaImpl_h 2765f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch#define DrawingAreaImpl_h 2865f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch 2965f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch#include "DrawingArea.h" 3065f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch#include "Region.h" 3165f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch#include "RunLoop.h" 3265f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch 3365f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdochnamespace WebKit { 3465f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch 3565f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdochstruct UpdateInfo; 3665f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch 3765f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdochclass DrawingAreaImpl : public DrawingArea { 3865f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdochpublic: 39ab9e7a118cf1ea2e3a93dce683b2ded3e7291ddbBen Murdoch static PassRefPtr<DrawingAreaImpl> create(WebPage*, const WebPageCreationParameters&); 4065f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch virtual ~DrawingAreaImpl(); 4165f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch 4265f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdochprivate: 43ab9e7a118cf1ea2e3a93dce683b2ded3e7291ddbBen Murdoch DrawingAreaImpl(WebPage*, const WebPageCreationParameters&); 4465f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch 4565f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch // DrawingArea 4665f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch virtual void setNeedsDisplay(const WebCore::IntRect&); 47ab9e7a118cf1ea2e3a93dce683b2ded3e7291ddbBen Murdoch virtual void scroll(const WebCore::IntRect& scrollRect, const WebCore::IntSize& scrollOffset); 4865f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch virtual void attachCompositingContext(); 4965f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch virtual void detachCompositingContext(); 5065f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch virtual void setRootCompositingLayer(WebCore::GraphicsLayer*); 5165f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch virtual void scheduleCompositingLayerSync(); 5265f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch virtual void syncCompositingLayers(); 5365f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch virtual void didReceiveMessage(CoreIPC::Connection*, CoreIPC::MessageID, CoreIPC::ArgumentDecoder*); 5465f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch 5565f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch // CoreIPC message handlers. 5665f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch virtual void setSize(const WebCore::IntSize&); 5765f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch virtual void didUpdate(); 58ab9e7a118cf1ea2e3a93dce683b2ded3e7291ddbBen Murdoch virtual void suspendPainting(); 59ab9e7a118cf1ea2e3a93dce683b2ded3e7291ddbBen Murdoch virtual void resumePainting(); 6065f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch 6165f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch void scheduleDisplay(); 6265f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch void display(); 6365f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch void display(UpdateInfo&); 6465f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch 6565f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch Region m_dirtyRegion; 6665f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch WebCore::IntRect m_scrollRect; 67ab9e7a118cf1ea2e3a93dce683b2ded3e7291ddbBen Murdoch WebCore::IntSize m_scrollOffset; 6865f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch 6965f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch // Whether we're waiting for a DidUpdate message. Used for throttling paints so that the 7065f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch // web process won't paint more frequent than the UI process can handle. 7165f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch bool m_isWaitingForDidUpdate; 72ab9e7a118cf1ea2e3a93dce683b2ded3e7291ddbBen Murdoch 73ab9e7a118cf1ea2e3a93dce683b2ded3e7291ddbBen Murdoch // Whether painting is suspended. We'll still keep track of the dirty region but we 74ab9e7a118cf1ea2e3a93dce683b2ded3e7291ddbBen Murdoch // won't paint until painting has resumed again. 75ab9e7a118cf1ea2e3a93dce683b2ded3e7291ddbBen Murdoch bool m_isPaintingSuspended; 76ab9e7a118cf1ea2e3a93dce683b2ded3e7291ddbBen Murdoch 7765f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch RunLoop::Timer<DrawingAreaImpl> m_displayTimer; 7865f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch}; 7965f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch 8065f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch} // namespace WebKit 8165f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch 8265f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch#endif // DrawingAreaImpl_h 83