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| 1 // Copyright 2014 The Chromium Authors. All rights reserved. | 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 | 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 "core/dom/ChildFrameDisconnector.h" | 5 #include "core/dom/ChildFrameDisconnector.h" |
| 6 | 6 |
| 7 #include "core/dom/shadow/ElementShadow.h" | 7 #include "core/dom/shadow/ElementShadow.h" |
| 8 #include "core/dom/shadow/ShadowRoot.h" | 8 #include "core/dom/shadow/ShadowRoot.h" |
| 9 #include "core/html/HTMLFrameOwnerElement.h" | 9 #include "core/html/HTMLFrameOwnerElement.h" |
| 10 #include "wtf/Assertions.h" | 10 #include "wtf/Assertions.h" |
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| 53 void ChildFrameDisconnector::disconnectCollectedFrameOwners() | 53 void ChildFrameDisconnector::disconnectCollectedFrameOwners() |
| 54 { | 54 { |
| 55 // Must disable frame loading in the subtree so an unload handler cannot | 55 // Must disable frame loading in the subtree so an unload handler cannot |
| 56 // insert more frames and create loaded frames in detached subtrees. | 56 // insert more frames and create loaded frames in detached subtrees. |
| 57 SubframeLoadingDisabler disabler(root()); | 57 SubframeLoadingDisabler disabler(root()); |
| 58 | 58 |
| 59 for (unsigned i = 0; i < m_frameOwners.size(); ++i) { | 59 for (unsigned i = 0; i < m_frameOwners.size(); ++i) { |
| 60 HTMLFrameOwnerElement* owner = m_frameOwners[i].get(); | 60 HTMLFrameOwnerElement* owner = m_frameOwners[i].get(); |
| 61 // Don't need to traverse up the tree for the first owner since no | 61 // Don't need to traverse up the tree for the first owner since no |
| 62 // script could have moved it. | 62 // script could have moved it. |
| 63 if (!i || root().containsIncludingShadowDOM(owner)) | 63 if (!i || root().isShadowIncludingInclusiveAncestorOf(owner)) |
| 64 owner->disconnectContentFrame(); | 64 owner->disconnectContentFrame(); |
| 65 } | 65 } |
| 66 } | 66 } |
| 67 | 67 |
| 68 void ChildFrameDisconnector::collectFrameOwners(ElementShadow& shadow) | 68 void ChildFrameDisconnector::collectFrameOwners(ElementShadow& shadow) |
| 69 { | 69 { |
| 70 for (ShadowRoot* root = &shadow.youngestShadowRoot(); root; root = root->old
erShadowRoot()) | 70 for (ShadowRoot* root = &shadow.youngestShadowRoot(); root; root = root->old
erShadowRoot()) |
| 71 collectFrameOwners(*root); | 71 collectFrameOwners(*root); |
| 72 } | 72 } |
| 73 | 73 |
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| 96 // If we overcount it's safe, but not optimal because it means we'll travers
e | 96 // If we overcount it's safe, but not optimal because it means we'll travers
e |
| 97 // through the document in ChildFrameDisconnector looking for frames that ha
ve | 97 // through the document in ChildFrameDisconnector looking for frames that ha
ve |
| 98 // already been disconnected. | 98 // already been disconnected. |
| 99 ASSERT(node.connectedSubframeCount() == count); | 99 ASSERT(node.connectedSubframeCount() == count); |
| 100 | 100 |
| 101 return count; | 101 return count; |
| 102 } | 102 } |
| 103 #endif | 103 #endif |
| 104 | 104 |
| 105 } // namespace blink | 105 } // namespace blink |
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