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1 /* | 1 /* |
2 * Copyright (C) 2012 Google Inc. All rights reserved. | 2 * Copyright (C) 2012 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 | 5 * modification, are permitted provided that the following conditions |
6 * are met: | 6 * are met: |
7 * | 7 * |
8 * 1. Redistributions of source code must retain the above copyright | 8 * 1. 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 * 2. Redistributions in binary form must reproduce the above copyright | 10 * 2. Redistributions in binary form must reproduce the above copyright |
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26 #include "core/html/HTMLDialogElement.h" | 26 #include "core/html/HTMLDialogElement.h" |
27 | 27 |
28 #include "bindings/core/v8/ExceptionState.h" | 28 #include "bindings/core/v8/ExceptionState.h" |
29 #include "core/dom/AXObjectCache.h" | 29 #include "core/dom/AXObjectCache.h" |
30 #include "core/dom/ExceptionCode.h" | 30 #include "core/dom/ExceptionCode.h" |
31 #include "core/dom/shadow/FlatTreeTraversal.h" | 31 #include "core/dom/shadow/FlatTreeTraversal.h" |
32 #include "core/events/Event.h" | 32 #include "core/events/Event.h" |
33 #include "core/frame/FrameView.h" | 33 #include "core/frame/FrameView.h" |
34 #include "core/frame/UseCounter.h" | 34 #include "core/frame/UseCounter.h" |
35 #include "core/html/HTMLFormControlElement.h" | 35 #include "core/html/HTMLFormControlElement.h" |
36 #include "core/html/HTMLFrameOwnerElement.h" | |
36 #include "core/style/ComputedStyle.h" | 37 #include "core/style/ComputedStyle.h" |
37 | 38 |
38 namespace blink { | 39 namespace blink { |
39 | 40 |
40 using namespace HTMLNames; | 41 using namespace HTMLNames; |
41 | 42 |
42 // This function chooses the focused element when show() or showModal() is | 43 // This function chooses the focused element when show() or showModal() is |
43 // invoked, as described in their spec. | 44 // invoked, as described in their spec. |
44 static void SetFocusForDialog(HTMLDialogElement* dialog) { | 45 static void SetFocusForDialog(HTMLDialogElement* dialog) { |
45 Element* focusable_descendant = nullptr; | 46 Element* focusable_descendant = nullptr; |
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74 | 75 |
75 if (dialog->IsFocusable()) { | 76 if (dialog->IsFocusable()) { |
76 dialog->focus(); | 77 dialog->focus(); |
77 return; | 78 return; |
78 } | 79 } |
79 | 80 |
80 dialog->GetDocument().ClearFocusedElement(); | 81 dialog->GetDocument().ClearFocusedElement(); |
81 } | 82 } |
82 | 83 |
83 static void InertSubtreesChanged(Document& document) { | 84 static void InertSubtreesChanged(Document& document) { |
85 if (document.GetFrame()) { | |
dmazzoni
2017/05/19 18:58:19
Perhaps this deserves a comment saying that this i
kenrb
2017/05/31 18:32:00
Done.
| |
86 document.GetFrame()->SetIsInert(document.LocalOwner() && | |
87 document.LocalOwner()->IsInert()); | |
88 } | |
89 | |
84 // When a modal dialog opens or closes, nodes all over the accessibility | 90 // When a modal dialog opens or closes, nodes all over the accessibility |
85 // tree can change inertness which means they must be added or removed from | 91 // tree can change inertness which means they must be added or removed from |
86 // the tree. The most foolproof way is to clear the entire tree and rebuild | 92 // the tree. The most foolproof way is to clear the entire tree and rebuild |
87 // it, though a more clever way is probably possible. | 93 // it, though a more clever way is probably possible. |
88 document.ClearAXObjectCache(); | 94 document.ClearAXObjectCache(); |
89 if (AXObjectCache* cache = document.AxObjectCache()) | 95 if (AXObjectCache* cache = document.AxObjectCache()) |
90 cache->ChildrenChanged(&document); | 96 cache->ChildrenChanged(&document); |
91 } | 97 } |
92 | 98 |
93 inline HTMLDialogElement::HTMLDialogElement(Document& document) | 99 inline HTMLDialogElement::HTMLDialogElement(Document& document) |
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175 // is thrown away. | 181 // is thrown away. |
176 InertSubtreesChanged(GetDocument()); | 182 InertSubtreesChanged(GetDocument()); |
177 | 183 |
178 ForceLayoutForCentering(); | 184 ForceLayoutForCentering(); |
179 SetFocusForDialog(this); | 185 SetFocusForDialog(this); |
180 } | 186 } |
181 | 187 |
182 void HTMLDialogElement::RemovedFrom(ContainerNode* insertion_point) { | 188 void HTMLDialogElement::RemovedFrom(ContainerNode* insertion_point) { |
183 HTMLElement::RemovedFrom(insertion_point); | 189 HTMLElement::RemovedFrom(insertion_point); |
184 SetNotCentered(); | 190 SetNotCentered(); |
185 // FIXME: We should call inertSubtreesChanged() here. | 191 InertSubtreesChanged(GetDocument()); |
186 } | 192 } |
187 | 193 |
188 void HTMLDialogElement::SetCentered(LayoutUnit centered_position) { | 194 void HTMLDialogElement::SetCentered(LayoutUnit centered_position) { |
189 DCHECK_EQ(centering_mode_, kNeedsCentering); | 195 DCHECK_EQ(centering_mode_, kNeedsCentering); |
190 centered_position_ = centered_position; | 196 centered_position_ = centered_position; |
191 centering_mode_ = kCentered; | 197 centering_mode_ = kCentered; |
192 } | 198 } |
193 | 199 |
194 void HTMLDialogElement::SetNotCentered() { | 200 void HTMLDialogElement::SetNotCentered() { |
195 centering_mode_ = kNotCentered; | 201 centering_mode_ = kNotCentered; |
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209 void HTMLDialogElement::DefaultEventHandler(Event* event) { | 215 void HTMLDialogElement::DefaultEventHandler(Event* event) { |
210 if (event->type() == EventTypeNames::cancel) { | 216 if (event->type() == EventTypeNames::cancel) { |
211 CloseDialog(); | 217 CloseDialog(); |
212 event->SetDefaultHandled(); | 218 event->SetDefaultHandled(); |
213 return; | 219 return; |
214 } | 220 } |
215 HTMLElement::DefaultEventHandler(event); | 221 HTMLElement::DefaultEventHandler(event); |
216 } | 222 } |
217 | 223 |
218 } // namespace blink | 224 } // namespace blink |
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