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1 // Copyright 2010 The Chromium Authors. All rights reserved. | 1 // Copyright 2010 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #include "cc/layer.h" | 5 #include "cc/layer.h" |
6 | 6 |
7 #include "cc/active_animation.h" | 7 #include "cc/active_animation.h" |
8 #include "cc/animation_events.h" | 8 #include "cc/animation_events.h" |
9 #include "cc/layer_animation_controller.h" | 9 #include "cc/layer_animation_controller.h" |
10 #include "cc/layer_impl.h" | 10 #include "cc/layer_impl.h" |
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34 , m_layerTreeHost(0) | 34 , m_layerTreeHost(0) |
35 , m_layerAnimationController(LayerAnimationController::create(this)) | 35 , m_layerAnimationController(LayerAnimationController::create(this)) |
36 , m_scrollable(false) | 36 , m_scrollable(false) |
37 , m_shouldScrollOnMainThread(false) | 37 , m_shouldScrollOnMainThread(false) |
38 , m_haveWheelEventHandlers(false) | 38 , m_haveWheelEventHandlers(false) |
39 , m_nonFastScrollableRegionChanged(false) | 39 , m_nonFastScrollableRegionChanged(false) |
40 , m_touchEventHandlerRegionChanged(false) | 40 , m_touchEventHandlerRegionChanged(false) |
41 , m_anchorPoint(0.5, 0.5) | 41 , m_anchorPoint(0.5, 0.5) |
42 , m_backgroundColor(0) | 42 , m_backgroundColor(0) |
43 , m_opacity(1.0) | 43 , m_opacity(1.0) |
44 , m_filter(0) | |
45 , m_anchorPointZ(0) | 44 , m_anchorPointZ(0) |
46 , m_isContainerForFixedPositionLayers(false) | 45 , m_isContainerForFixedPositionLayers(false) |
47 , m_fixedToContainerLayer(false) | 46 , m_fixedToContainerLayer(false) |
48 , m_isDrawable(false) | 47 , m_isDrawable(false) |
49 , m_masksToBounds(false) | 48 , m_masksToBounds(false) |
50 , m_contentsOpaque(false) | 49 , m_contentsOpaque(false) |
51 , m_doubleSided(true) | 50 , m_doubleSided(true) |
52 , m_useLCDText(false) | 51 , m_useLCDText(false) |
53 , m_preserves3D(false) | 52 , m_preserves3D(false) |
54 , m_useParentBackfaceVisibility(false) | 53 , m_useParentBackfaceVisibility(false) |
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74 } | 73 } |
75 | 74 |
76 Layer::~Layer() | 75 Layer::~Layer() |
77 { | 76 { |
78 // Our parent should be holding a reference to us so there should be no | 77 // Our parent should be holding a reference to us so there should be no |
79 // way for us to be destroyed while we still have a parent. | 78 // way for us to be destroyed while we still have a parent. |
80 DCHECK(!parent()); | 79 DCHECK(!parent()); |
81 | 80 |
82 // Remove the parent reference from all children. | 81 // Remove the parent reference from all children. |
83 removeAllChildren(); | 82 removeAllChildren(); |
84 | |
85 SkSafeUnref(m_filter); | |
86 } | 83 } |
87 | 84 |
88 void Layer::setUseLCDText(bool useLCDText) | 85 void Layer::setUseLCDText(bool useLCDText) |
89 { | 86 { |
90 m_useLCDText = useLCDText; | 87 m_useLCDText = useLCDText; |
91 } | 88 } |
92 | 89 |
93 void Layer::setLayerTreeHost(LayerTreeHost* host) | 90 void Layer::setLayerTreeHost(LayerTreeHost* host) |
94 { | 91 { |
95 if (m_layerTreeHost == host) | 92 if (m_layerTreeHost == host) |
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321 { | 318 { |
322 if (m_filters == filters) | 319 if (m_filters == filters) |
323 return; | 320 return; |
324 DCHECK(!m_filter); | 321 DCHECK(!m_filter); |
325 m_filters = filters; | 322 m_filters = filters; |
326 setNeedsCommit(); | 323 setNeedsCommit(); |
327 if (!filters.isEmpty()) | 324 if (!filters.isEmpty()) |
328 LayerTreeHost::setNeedsFilterContext(true); | 325 LayerTreeHost::setNeedsFilterContext(true); |
329 } | 326 } |
330 | 327 |
331 void Layer::setFilter(SkImageFilter* filter) | 328 void Layer::setFilter(const SkiaRefPtr<SkImageFilter>& filter) |
332 { | 329 { |
333 if (m_filter == filter) | 330 if (m_filter.get() == filter.get()) |
334 return; | 331 return; |
335 DCHECK(m_filters.isEmpty()); | 332 DCHECK(m_filters.isEmpty()); |
336 SkRefCnt_SafeAssign(m_filter, filter); | 333 m_filter = filter; |
337 setNeedsCommit(); | 334 setNeedsCommit(); |
338 if (filter) | 335 if (filter) |
339 LayerTreeHost::setNeedsFilterContext(true); | 336 LayerTreeHost::setNeedsFilterContext(true); |
340 } | 337 } |
341 | 338 |
342 void Layer::setBackgroundFilters(const WebKit::WebFilterOperations& backgroundFi
lters) | 339 void Layer::setBackgroundFilters(const WebKit::WebFilterOperations& backgroundFi
lters) |
343 { | 340 { |
344 if (m_backgroundFilters == backgroundFilters) | 341 if (m_backgroundFilters == backgroundFilters) |
345 return; | 342 return; |
346 m_backgroundFilters = backgroundFilters; | 343 m_backgroundFilters = backgroundFilters; |
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834 { | 831 { |
835 return 0; | 832 return 0; |
836 } | 833 } |
837 | 834 |
838 void sortLayers(std::vector<scoped_refptr<Layer> >::iterator, std::vector<scoped
_refptr<Layer> >::iterator, void*) | 835 void sortLayers(std::vector<scoped_refptr<Layer> >::iterator, std::vector<scoped
_refptr<Layer> >::iterator, void*) |
839 { | 836 { |
840 // Currently we don't use z-order to decide what to paint, so there's no nee
d to actually sort Layers. | 837 // Currently we don't use z-order to decide what to paint, so there's no nee
d to actually sort Layers. |
841 } | 838 } |
842 | 839 |
843 } // namespace cc | 840 } // namespace cc |
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