1/*
2 * Copyright (C) 2012 Google 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 *
8 * 1.  Redistributions of source code must retain the above copyright
9 *     notice, this list of conditions and the following disclaimer.
10 * 2.  Redistributions in binary form must reproduce the above copyright
11 *     notice, this list of conditions and the following disclaimer in the
12 *     documentation and/or other materials provided with the distribution.
13 *
14 * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
15 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
16 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
17 * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
18 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
19 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
20 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
21 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
23 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
24 */
25
26#ifndef WebCompositorSupport_h
27#define WebCompositorSupport_h
28
29#include "WebCommon.h"
30#include "WebCompositorAnimation.h"
31#include "WebCompositorAnimationCurve.h"
32#include "WebFloatPoint.h"
33#include "WebLayerTreeView.h"
34#include "WebScrollbar.h"
35#include "WebScrollbarThemePainter.h"
36
37namespace blink {
38
39class WebCompositorAnimationCurve;
40class WebCompositorOutputSurface;
41class WebContentLayer;
42class WebContentLayerClient;
43class WebExternalTextureLayer;
44class WebExternalTextureLayerClient;
45class WebFilterAnimationCurve;
46class WebFilterOperations;
47class WebFloatAnimationCurve;
48class WebGraphicsContext3D;
49class WebImageLayer;
50class WebNinePatchLayer;
51class WebLayer;
52class WebScrollbarLayer;
53class WebScrollbarThemeGeometry;
54class WebScrollOffsetAnimationCurve;
55class WebTransformAnimationCurve;
56class WebTransformOperations;
57
58class WebCompositorSupport {
59public:
60    // Creates an output surface for the compositor backed by a 3d context.
61    virtual WebCompositorOutputSurface* createOutputSurfaceFor3D(WebGraphicsContext3D*) { return 0; }
62
63    // Creates an output surface for the compositor backed by a software device.
64    virtual WebCompositorOutputSurface* createOutputSurfaceForSoftware() { return 0; }
65
66    // Layers -------------------------------------------------------
67
68    virtual WebLayer* createLayer() { return 0; }
69
70    virtual WebContentLayer* createContentLayer(WebContentLayerClient*) { return 0; }
71
72    virtual WebExternalTextureLayer* createExternalTextureLayer(WebExternalTextureLayerClient*) { return 0; }
73
74    virtual WebImageLayer* createImageLayer() { return 0; }
75
76    virtual WebNinePatchLayer* createNinePatchLayer() { return 0; }
77
78    // The ownership of the WebScrollbarThemeGeometry pointer is passed to Chromium.
79    virtual WebScrollbarLayer* createScrollbarLayer(WebScrollbar*, WebScrollbarThemePainter, WebScrollbarThemeGeometry*) { return 0; }
80
81    virtual WebScrollbarLayer* createSolidColorScrollbarLayer(WebScrollbar::Orientation, int thumbThickness, int trackStart, bool isLeftSideVerticalScrollbar) { return 0; }
82
83    // Animation ----------------------------------------------------
84
85    virtual WebCompositorAnimation* createAnimation(const WebCompositorAnimationCurve&, WebCompositorAnimation::TargetProperty, int animationId = 0) { return 0; }
86
87    virtual WebFilterAnimationCurve* createFilterAnimationCurve() { return 0; }
88
89    virtual WebFloatAnimationCurve* createFloatAnimationCurve() { return 0; }
90
91    virtual WebScrollOffsetAnimationCurve* createScrollOffsetAnimationCurve(WebFloatPoint targetValue, WebCompositorAnimationCurve::TimingFunctionType) { return 0; }
92
93    virtual WebTransformAnimationCurve* createTransformAnimationCurve() { return 0; }
94
95    virtual WebTransformOperations* createTransformOperations() { return 0; }
96
97    virtual WebFilterOperations* createFilterOperations() { return 0; }
98
99protected:
100    virtual ~WebCompositorSupport() { }
101};
102
103}
104
105#endif // WebCompositorSupport_h
106