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1 /* | 1 /* |
2 * Copyright (C) 2013 Google Inc. All rights reserved. | 2 * Copyright (C) 2013 Google Inc. All rights reserved. |
3 * | 3 * |
4 * Redistribution and use in source and binary forms, with or without | 4 * Redistribution and use in source and binary forms, with or without |
5 * modification, are permitted provided that the following conditions are | 5 * modification, are permitted provided that the following conditions are |
6 * met: | 6 * met: |
7 * | 7 * |
8 * * Redistributions of source code must retain the above copyright | 8 * * Redistributions of source code must retain the above copyright |
9 * notice, this list of conditions and the following disclaimer. | 9 * notice, this list of conditions and the following disclaimer. |
10 * * Redistributions in binary form must reproduce the above | 10 * * Redistributions in binary form must reproduce the above |
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80 } | 80 } |
81 GraphicsLayer* containerLayer() | 81 GraphicsLayer* containerLayer() |
82 { | 82 { |
83 return m_innerViewportContainerLayer.get(); | 83 return m_innerViewportContainerLayer.get(); |
84 } | 84 } |
85 GraphicsLayer* scrollLayer() | 85 GraphicsLayer* scrollLayer() |
86 { | 86 { |
87 return m_innerViewportScrollLayer.get(); | 87 return m_innerViewportScrollLayer.get(); |
88 } | 88 } |
89 | 89 |
90 void initializeScrollbars(); | |
91 | |
92 // Sets the location of the visual viewport relative to the outer viewport.
The | 90 // Sets the location of the visual viewport relative to the outer viewport.
The |
93 // coordinates are in partial CSS pixels. | 91 // coordinates are in partial CSS pixels. |
94 void setLocation(const FloatPoint&); | 92 void setLocation(const FloatPoint&); |
95 // FIXME: This should be called moveBy | 93 // FIXME: This should be called moveBy |
96 void move(const FloatPoint&); | 94 void move(const FloatPoint&); |
97 void move(const FloatSize&); | 95 void move(const FloatSize&); |
98 FloatPoint location() const { return m_offset; } | 96 FloatPoint location() const { return m_offset; } |
99 | 97 |
100 // Sets the size of the inner viewport when unscaled in CSS pixels. | 98 // Sets the size of the inner viewport when unscaled in CSS pixels. |
101 void setSize(const IntSize&); | 99 void setSize(const IntSize&); |
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190 void setScrollOffset(const IntPoint&, ScrollType) override; | 188 void setScrollOffset(const IntPoint&, ScrollType) override; |
191 void setScrollOffset(const DoublePoint&, ScrollType) override; | 189 void setScrollOffset(const DoublePoint&, ScrollType) override; |
192 GraphicsLayer* layerForContainer() const override; | 190 GraphicsLayer* layerForContainer() const override; |
193 GraphicsLayer* layerForScrolling() const override; | 191 GraphicsLayer* layerForScrolling() const override; |
194 GraphicsLayer* layerForHorizontalScrollbar() const override; | 192 GraphicsLayer* layerForHorizontalScrollbar() const override; |
195 GraphicsLayer* layerForVerticalScrollbar() const override; | 193 GraphicsLayer* layerForVerticalScrollbar() const override; |
196 | 194 |
197 private: | 195 private: |
198 explicit VisualViewport(FrameHost&); | 196 explicit VisualViewport(FrameHost&); |
199 | 197 |
200 bool visualViewportSuppliesScrollbars() const; | |
201 | |
202 // GraphicsLayerClient implementation. | 198 // GraphicsLayerClient implementation. |
203 void paintContents(const GraphicsLayer*, GraphicsContext&, GraphicsLayerPain
tingPhase, const IntRect& inClip) override; | 199 void paintContents(const GraphicsLayer*, GraphicsContext&, GraphicsLayerPain
tingPhase, const IntRect& inClip) override; |
204 String debugName(const GraphicsLayer*) override; | 200 String debugName(const GraphicsLayer*) override; |
205 | 201 |
206 void setupScrollbar(WebScrollbar::Orientation); | 202 void setupScrollbar(WebScrollbar::Orientation); |
207 FloatPoint clampOffsetToBoundaries(const FloatPoint&); | 203 FloatPoint clampOffsetToBoundaries(const FloatPoint&); |
208 | 204 |
209 LocalFrame* mainFrame() const; | 205 LocalFrame* mainFrame() const; |
210 | 206 |
211 FrameHost& frameHost() const | 207 FrameHost& frameHost() const |
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228 // Offset of the visual viewport from the main frame's origin, in CSS pixels
. | 224 // Offset of the visual viewport from the main frame's origin, in CSS pixels
. |
229 FloatPoint m_offset; | 225 FloatPoint m_offset; |
230 float m_scale; | 226 float m_scale; |
231 IntSize m_size; | 227 IntSize m_size; |
232 float m_topControlsAdjustment; | 228 float m_topControlsAdjustment; |
233 }; | 229 }; |
234 | 230 |
235 } // namespace blink | 231 } // namespace blink |
236 | 232 |
237 #endif // VisualViewport_h | 233 #endif // VisualViewport_h |
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