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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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28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | 28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
29 */ | 29 */ |
30 | 30 |
31 #include "config.h" | 31 #include "config.h" |
32 #include "core/frame/PinchViewport.h" | 32 #include "core/frame/PinchViewport.h" |
33 | 33 |
34 #include "core/frame/FrameHost.h" | 34 #include "core/frame/FrameHost.h" |
35 #include "core/frame/FrameView.h" | 35 #include "core/frame/FrameView.h" |
36 #include "core/frame/LocalFrame.h" | 36 #include "core/frame/LocalFrame.h" |
37 #include "core/frame/Settings.h" | 37 #include "core/frame/Settings.h" |
38 #include "core/layout/compositing/RenderLayerCompositor.h" | 38 #include "core/layout/compositing/LayerCompositor.h" |
39 #include "core/loader/FrameLoaderClient.h" | 39 #include "core/loader/FrameLoaderClient.h" |
40 #include "core/page/Chrome.h" | 40 #include "core/page/Chrome.h" |
41 #include "core/page/ChromeClient.h" | 41 #include "core/page/ChromeClient.h" |
42 #include "core/page/Page.h" | 42 #include "core/page/Page.h" |
43 #include "core/page/scrolling/ScrollingCoordinator.h" | 43 #include "core/page/scrolling/ScrollingCoordinator.h" |
44 #include "core/rendering/RenderView.h" | 44 #include "core/rendering/RenderView.h" |
45 #include "platform/TraceEvent.h" | 45 #include "platform/TraceEvent.h" |
46 #include "platform/geometry/FloatSize.h" | 46 #include "platform/geometry/FloatSize.h" |
47 #include "platform/graphics/GraphicsLayer.h" | 47 #include "platform/graphics/GraphicsLayer.h" |
48 #include "platform/graphics/GraphicsLayerFactory.h" | 48 #include "platform/graphics/GraphicsLayerFactory.h" |
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257 // Modifies the top of the graphics layer tree to add layers needed to support | 257 // Modifies the top of the graphics layer tree to add layers needed to support |
258 // the inner/outer viewport fixed-position model for pinch zoom. When finished, | 258 // the inner/outer viewport fixed-position model for pinch zoom. When finished, |
259 // the tree will look like this (with * denoting added layers): | 259 // the tree will look like this (with * denoting added layers): |
260 // | 260 // |
261 // *rootTransformLayer | 261 // *rootTransformLayer |
262 // +- *innerViewportContainerLayer (fixed pos container) | 262 // +- *innerViewportContainerLayer (fixed pos container) |
263 // | +- *overscrollElasticityLayer | 263 // | +- *overscrollElasticityLayer |
264 // | +- *pageScaleLayer | 264 // | +- *pageScaleLayer |
265 // | +- *innerViewportScrollLayer | 265 // | +- *innerViewportScrollLayer |
266 // | +-- overflowControlsHostLayer (root layer) | 266 // | +-- overflowControlsHostLayer (root layer) |
267 // | +-- outerViewportContainerLayer (fixed pos container) [f
rame container layer in RenderLayerCompositor] | 267 // | +-- outerViewportContainerLayer (fixed pos container) [f
rame container layer in LayerCompositor] |
268 // | | +-- outerViewportScrollLayer [frame scroll layer in
RenderLayerCompositor] | 268 // | | +-- outerViewportScrollLayer [frame scroll layer in
LayerCompositor] |
269 // | | +-- content layers ... | 269 // | | +-- content layers ... |
270 // | +-- horizontal ScrollbarLayer (non-overlay) | 270 // | +-- horizontal ScrollbarLayer (non-overlay) |
271 // | +-- verticalScrollbarLayer (non-overlay) | 271 // | +-- verticalScrollbarLayer (non-overlay) |
272 // | +-- scroll corner (non-overlay) | 272 // | +-- scroll corner (non-overlay) |
273 // +- *horizontalScrollbarLayer (overlay) | 273 // +- *horizontalScrollbarLayer (overlay) |
274 // +- *verticalScrollbarLayer (overlay) | 274 // +- *verticalScrollbarLayer (overlay) |
275 // | 275 // |
276 void PinchViewport::attachToLayerTree(GraphicsLayer* currentLayerTreeRoot, Graph
icsLayerFactory* graphicsLayerFactory) | 276 void PinchViewport::attachToLayerTree(GraphicsLayer* currentLayerTreeRoot, Graph
icsLayerFactory* graphicsLayerFactory) |
277 { | 277 { |
278 TRACE_EVENT1("blink", "PinchViewport::attachToLayerTree", "currentLayerTreeR
oot", (bool)currentLayerTreeRoot); | 278 TRACE_EVENT1("blink", "PinchViewport::attachToLayerTree", "currentLayerTreeR
oot", (bool)currentLayerTreeRoot); |
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382 void PinchViewport::registerLayersWithTreeView(WebLayerTreeView* layerTreeView)
const | 382 void PinchViewport::registerLayersWithTreeView(WebLayerTreeView* layerTreeView)
const |
383 { | 383 { |
384 TRACE_EVENT0("blink", "PinchViewport::registerLayersWithTreeView"); | 384 TRACE_EVENT0("blink", "PinchViewport::registerLayersWithTreeView"); |
385 ASSERT(layerTreeView); | 385 ASSERT(layerTreeView); |
386 | 386 |
387 if (!mainFrame()) | 387 if (!mainFrame()) |
388 return; | 388 return; |
389 | 389 |
390 ASSERT(frameHost().page().deprecatedLocalMainFrame()->contentRenderer()); | 390 ASSERT(frameHost().page().deprecatedLocalMainFrame()->contentRenderer()); |
391 | 391 |
392 RenderLayerCompositor* compositor = frameHost().page().deprecatedLocalMainFr
ame()->contentRenderer()->compositor(); | 392 LayerCompositor* compositor = frameHost().page().deprecatedLocalMainFrame()-
>contentRenderer()->compositor(); |
393 // Get the outer viewport scroll layer. | 393 // Get the outer viewport scroll layer. |
394 WebLayer* scrollLayer = compositor->scrollLayer() ? compositor->scrollLayer(
)->platformLayer() : 0; | 394 WebLayer* scrollLayer = compositor->scrollLayer() ? compositor->scrollLayer(
)->platformLayer() : 0; |
395 | 395 |
396 m_webOverlayScrollbarHorizontal->setScrollLayer(scrollLayer); | 396 m_webOverlayScrollbarHorizontal->setScrollLayer(scrollLayer); |
397 m_webOverlayScrollbarVertical->setScrollLayer(scrollLayer); | 397 m_webOverlayScrollbarVertical->setScrollLayer(scrollLayer); |
398 | 398 |
399 ASSERT(compositor); | 399 ASSERT(compositor); |
400 layerTreeView->registerViewportLayers( | 400 layerTreeView->registerViewportLayers( |
401 m_overscrollElasticityLayer->platformLayer(), | 401 m_overscrollElasticityLayer->platformLayer(), |
402 m_pageScaleLayer->platformLayer(), | 402 m_pageScaleLayer->platformLayer(), |
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577 } else if (graphicsLayer == m_rootTransformLayer) { | 577 } else if (graphicsLayer == m_rootTransformLayer) { |
578 name = "Root Transform Layer"; | 578 name = "Root Transform Layer"; |
579 } else { | 579 } else { |
580 ASSERT_NOT_REACHED(); | 580 ASSERT_NOT_REACHED(); |
581 } | 581 } |
582 | 582 |
583 return name; | 583 return name; |
584 } | 584 } |
585 | 585 |
586 } // namespace blink | 586 } // namespace blink |
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