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| 1 // Copyright 2014 The Chromium Authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. |
| 4 |
| 5 #include "config.h" |
| 6 |
| 7 #include "core/rendering/RenderLayerClipPathInfo.h" |
| 8 |
| 9 #include "core/rendering/RenderLayer.h" |
| 10 #include "core/rendering/svg/RenderSVGResourceContainer.h" |
| 11 |
| 12 namespace blink { |
| 13 |
| 14 RenderLayerClipPathInfo::RenderLayerClipPathInfo(RenderLayer* layer) |
| 15 : m_layer(layer) |
| 16 { |
| 17 } |
| 18 |
| 19 RenderLayerClipPathInfo::~RenderLayerClipPathInfo() |
| 20 { |
| 21 removeReferenceClipPathClients(); |
| 22 } |
| 23 |
| 24 void RenderLayerClipPathInfo::updateReferenceClipPathClients(ClipPathOperation*
clipPathOperation) |
| 25 { |
| 26 ASSERT(clipPathOperation->type() == ClipPathOperation::REFERENCE); |
| 27 |
| 28 removeReferenceClipPathClients(); |
| 29 ReferenceClipPathOperation* referenceClipPathOperation = toReferenceClipPath
Operation(clipPathOperation); |
| 30 Element* clipPath = m_layer->renderer()->node()->document().getElementById(r
eferenceClipPathOperation->fragment()); |
| 31 if (!isSVGClipPathElement(clipPath)) |
| 32 return; |
| 33 if (clipPath->renderer()) |
| 34 toRenderSVGResourceContainer(clipPath->renderer())->addClientRenderLayer
(m_layer); |
| 35 else |
| 36 toSVGClipPathElement(clipPath)->addClient(m_layer->renderer()->node()); |
| 37 |
| 38 m_clipPathElement = PassRefPtr<SVGClipPathElement>(toSVGClipPathElement(clip
Path)); |
| 39 } |
| 40 |
| 41 void RenderLayerClipPathInfo::removeReferenceClipPathClients() |
| 42 { |
| 43 if (!m_clipPathElement) |
| 44 return; |
| 45 |
| 46 if (m_clipPathElement->renderer()) |
| 47 toRenderSVGResourceContainer(m_clipPathElement->renderer())->removeClien
tRenderLayer(m_layer); |
| 48 else |
| 49 m_clipPathElement->removeClient(m_layer->renderer()->node()); |
| 50 |
| 51 m_clipPathElement.clear(); |
| 52 } |
| 53 |
| 54 } // namespace blink |
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