1/*
2 * Copyright (C) 2011 Apple Inc. All rights reserved.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
6 * are met:
7 * 1. Redistributions of source code must retain the above copyright
8 *    notice, this list of conditions and the following disclaimer.
9 * 2. Redistributions in binary form must reproduce the above copyright
10 *    notice, this list of conditions and the following disclaimer in the
11 *    documentation and/or other materials provided with the distribution.
12 *
13 * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
14 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
15 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
17 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
18 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
19 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
20 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
21 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
22 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
23 * THE POSSIBILITY OF SUCH DAMAGE.
24 */
25
26#ifndef TiledCoreAnimationDrawingAreaProxy_h
27#define TiledCoreAnimationDrawingAreaProxy_h
28
29#if !PLATFORM(IOS)
30
31#include "DrawingAreaProxy.h"
32
33namespace WebKit {
34
35class TiledCoreAnimationDrawingAreaProxy : public DrawingAreaProxy {
36public:
37    explicit TiledCoreAnimationDrawingAreaProxy(WebPageProxy*);
38    virtual ~TiledCoreAnimationDrawingAreaProxy();
39
40private:
41    // DrawingAreaProxy
42    virtual void deviceScaleFactorDidChange() override;
43    virtual void sizeDidChange() override;
44    virtual void waitForPossibleGeometryUpdate(std::chrono::milliseconds timeout = didUpdateBackingStoreStateTimeout()) override;
45    virtual void colorSpaceDidChange() override;
46    virtual void minimumLayoutSizeDidChange() override;
47
48    virtual void enterAcceleratedCompositingMode(uint64_t backingStoreStateID, const LayerTreeContext&) override;
49    virtual void exitAcceleratedCompositingMode(uint64_t backingStoreStateID, const UpdateInfo&) override;
50    virtual void updateAcceleratedCompositingMode(uint64_t backingStoreStateID, const LayerTreeContext&) override;
51
52    virtual void adjustTransientZoom(double scale, WebCore::FloatPoint origin) override;
53    virtual void commitTransientZoom(double scale, WebCore::FloatPoint origin) override;
54
55    virtual void waitForDidUpdateViewState() override;
56
57    // Message handlers.
58    virtual void didUpdateGeometry() override;
59    virtual void intrinsicContentSizeDidChange(const WebCore::IntSize& newIntrinsicContentSize) override;
60
61    void sendUpdateGeometry();
62
63    // Whether we're waiting for a DidUpdateGeometry message from the web process.
64    bool m_isWaitingForDidUpdateGeometry;
65
66    // The last size we sent to the web process.
67    WebCore::IntSize m_lastSentSize;
68    WebCore::IntSize m_lastSentLayerPosition;
69
70    // The last minimum layout size we sent to the web process.
71    WebCore::IntSize m_lastSentMinimumLayoutSize;
72};
73
74DRAWING_AREA_PROXY_TYPE_CASTS(TiledCoreAnimationDrawingAreaProxy, type() == DrawingAreaTypeTiledCoreAnimation);
75
76} // namespace WebKit
77
78#endif // !PLATFORM(IOS)
79
80#endif // TiledCoreAnimationDrawingAreaProxy_h
81