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1 /* | 1 /* |
2 * Copyright (C) 2006, 2007, 2009 Apple Inc. All rights reserved. | 2 * Copyright (C) 2006, 2007, 2009 Apple Inc. All rights reserved. |
3 * | 3 * |
4 * This library is free software; you can redistribute it and/or | 4 * This library is free software; you can redistribute it and/or |
5 * modify it under the terms of the GNU Library General Public | 5 * modify it under the terms of the GNU Library General Public |
6 * License as published by the Free Software Foundation; either | 6 * License as published by the Free Software Foundation; either |
7 * version 2 of the License, or (at your option) any later version. | 7 * version 2 of the License, or (at your option) any later version. |
8 * | 8 * |
9 * This library is distributed in the hope that it will be useful, | 9 * This library is distributed in the hope that it will be useful, |
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of | 10 * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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47 | 47 |
48 using WidgetSet = HeapHashSet<Member<Widget>>; | 48 using WidgetSet = HeapHashSet<Member<Widget>>; |
49 static WidgetSet& widgetsPendingTemporaryRemovalFromParent() | 49 static WidgetSet& widgetsPendingTemporaryRemovalFromParent() |
50 { | 50 { |
51 // Widgets in this set will not leak because it will be cleared in | 51 // Widgets in this set will not leak because it will be cleared in |
52 // HTMLFrameOwnerElement::UpdateSuspendScope::performDeferredWidgetTreeOpera
tions. | 52 // HTMLFrameOwnerElement::UpdateSuspendScope::performDeferredWidgetTreeOpera
tions. |
53 DEFINE_STATIC_LOCAL(WidgetSet, set, (new WidgetSet)); | 53 DEFINE_STATIC_LOCAL(WidgetSet, set, (new WidgetSet)); |
54 return set; | 54 return set; |
55 } | 55 } |
56 | 56 |
| 57 static WidgetSet& widgetsPendingDispose() |
| 58 { |
| 59 DEFINE_STATIC_LOCAL(WidgetSet, set, (new WidgetSet)); |
| 60 return set; |
| 61 } |
| 62 |
57 SubframeLoadingDisabler::SubtreeRootSet& SubframeLoadingDisabler::disabledSubtre
eRoots() | 63 SubframeLoadingDisabler::SubtreeRootSet& SubframeLoadingDisabler::disabledSubtre
eRoots() |
58 { | 64 { |
59 DEFINE_STATIC_LOCAL(SubtreeRootSet, nodes, (new SubtreeRootSet)); | 65 DEFINE_STATIC_LOCAL(SubtreeRootSet, nodes, (new SubtreeRootSet)); |
60 return nodes; | 66 return nodes; |
61 } | 67 } |
62 | 68 |
63 static unsigned s_updateSuspendCount = 0; | 69 static unsigned s_updateSuspendCount = 0; |
64 | 70 |
65 HTMLFrameOwnerElement::UpdateSuspendScope::UpdateSuspendScope() | 71 HTMLFrameOwnerElement::UpdateSuspendScope::UpdateSuspendScope() |
66 { | 72 { |
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78 if (newParent != currentParent) { | 84 if (newParent != currentParent) { |
79 if (currentParent) | 85 if (currentParent) |
80 currentParent->removeChild(child); | 86 currentParent->removeChild(child); |
81 if (newParent) | 87 if (newParent) |
82 newParent->addChild(child); | 88 newParent->addChild(child); |
83 if (currentParent && !newParent) | 89 if (currentParent && !newParent) |
84 child->dispose(); | 90 child->dispose(); |
85 } | 91 } |
86 } | 92 } |
87 | 93 |
88 WidgetSet set; | 94 { |
89 widgetsPendingTemporaryRemovalFromParent().swap(set); | 95 WidgetSet set; |
90 for (const auto& widget : set) { | 96 widgetsPendingTemporaryRemovalFromParent().swap(set); |
91 FrameView* currentParent = toFrameView(widget->parent()); | 97 for (const auto& widget : set) { |
92 if (currentParent) | 98 FrameView* currentParent = toFrameView(widget->parent()); |
93 currentParent->removeChild(widget.get()); | 99 if (currentParent) |
| 100 currentParent->removeChild(widget.get()); |
| 101 } |
| 102 } |
| 103 |
| 104 { |
| 105 WidgetSet set; |
| 106 widgetsPendingDispose().swap(set); |
| 107 for (const auto& widget : set) { |
| 108 widget->dispose(); |
| 109 } |
94 } | 110 } |
95 } | 111 } |
96 | 112 |
97 HTMLFrameOwnerElement::UpdateSuspendScope::~UpdateSuspendScope() | 113 HTMLFrameOwnerElement::UpdateSuspendScope::~UpdateSuspendScope() |
98 { | 114 { |
99 ASSERT(s_updateSuspendCount > 0); | 115 ASSERT(s_updateSuspendCount > 0); |
100 if (s_updateSuspendCount == 1) | 116 if (s_updateSuspendCount == 1) |
101 performDeferredWidgetTreeOperations(); | 117 performDeferredWidgetTreeOperations(); |
102 --s_updateSuspendCount; | 118 --s_updateSuspendCount; |
103 } | 119 } |
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203 // the subframe hasn't been created yet. | 219 // the subframe hasn't been created yet. |
204 if (contentFrame()) | 220 if (contentFrame()) |
205 document().frame()->loader().client()->didChangeSandboxFlags(contentFram
e(), flags); | 221 document().frame()->loader().client()->didChangeSandboxFlags(contentFram
e(), flags); |
206 } | 222 } |
207 | 223 |
208 bool HTMLFrameOwnerElement::isKeyboardFocusable() const | 224 bool HTMLFrameOwnerElement::isKeyboardFocusable() const |
209 { | 225 { |
210 return m_contentFrame && HTMLElement::isKeyboardFocusable(); | 226 return m_contentFrame && HTMLElement::isKeyboardFocusable(); |
211 } | 227 } |
212 | 228 |
| 229 void HTMLFrameOwnerElement::disposeWidgetSoon(Widget* widget) |
| 230 { |
| 231 if (s_updateSuspendCount) { |
| 232 widgetsPendingDispose().add(widget); |
| 233 return; |
| 234 } |
| 235 widget->dispose(); |
| 236 } |
| 237 |
213 void HTMLFrameOwnerElement::dispatchLoad() | 238 void HTMLFrameOwnerElement::dispatchLoad() |
214 { | 239 { |
215 dispatchScopedEvent(Event::create(EventTypeNames::load)); | 240 dispatchScopedEvent(Event::create(EventTypeNames::load)); |
216 } | 241 } |
217 | 242 |
218 const WebVector<WebPermissionType>& HTMLFrameOwnerElement::delegatedPermissions(
) const | 243 const WebVector<WebPermissionType>& HTMLFrameOwnerElement::delegatedPermissions(
) const |
219 { | 244 { |
220 DEFINE_STATIC_LOCAL(WebVector<WebPermissionType>, permissions, ()); | 245 DEFINE_STATIC_LOCAL(WebVector<WebPermissionType>, permissions, ()); |
221 return permissions; | 246 return permissions; |
222 } | 247 } |
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309 DEFINE_TRACE(HTMLFrameOwnerElement) | 334 DEFINE_TRACE(HTMLFrameOwnerElement) |
310 { | 335 { |
311 visitor->trace(m_contentFrame); | 336 visitor->trace(m_contentFrame); |
312 visitor->trace(m_widget); | 337 visitor->trace(m_widget); |
313 HTMLElement::trace(visitor); | 338 HTMLElement::trace(visitor); |
314 FrameOwner::trace(visitor); | 339 FrameOwner::trace(visitor); |
315 } | 340 } |
316 | 341 |
317 | 342 |
318 } // namespace blink | 343 } // namespace blink |
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