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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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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/Fullscreen.h" | 31 #include "core/dom/Fullscreen.h" |
32 #include "core/dom/shadow/FlatTreeTraversal.h" | 32 #include "core/dom/shadow/FlatTreeTraversal.h" |
33 #include "core/events/Event.h" | 33 #include "core/events/Event.h" |
34 #include "core/frame/LocalFrameView.h" | 34 #include "core/frame/LocalFrameView.h" |
35 #include "core/frame/UseCounter.h" | 35 #include "core/frame/UseCounter.h" |
36 #include "core/html/HTMLFormControlElement.h" | 36 #include "core/html/HTMLFormControlElement.h" |
| 37 #include "core/html/HTMLFrameOwnerElement.h" |
37 #include "core/style/ComputedStyle.h" | 38 #include "core/style/ComputedStyle.h" |
38 | 39 |
39 namespace blink { | 40 namespace blink { |
40 | 41 |
41 using namespace HTMLNames; | 42 using namespace HTMLNames; |
42 | 43 |
43 // This function chooses the focused element when show() or showModal() is | 44 // This function chooses the focused element when show() or showModal() is |
44 // invoked, as described in their spec. | 45 // invoked, as described in their spec. |
45 static void SetFocusForDialog(HTMLDialogElement* dialog) { | 46 static void SetFocusForDialog(HTMLDialogElement* dialog) { |
46 Element* focusable_descendant = nullptr; | 47 Element* focusable_descendant = nullptr; |
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75 | 76 |
76 if (dialog->IsFocusable()) { | 77 if (dialog->IsFocusable()) { |
77 dialog->focus(); | 78 dialog->focus(); |
78 return; | 79 return; |
79 } | 80 } |
80 | 81 |
81 dialog->GetDocument().ClearFocusedElement(); | 82 dialog->GetDocument().ClearFocusedElement(); |
82 } | 83 } |
83 | 84 |
84 static void InertSubtreesChanged(Document& document) { | 85 static void InertSubtreesChanged(Document& document) { |
| 86 if (document.GetFrame()) { |
| 87 // SetIsInert recurses through subframes to propagate the inert bit as |
| 88 // needed. |
| 89 document.GetFrame()->SetIsInert(document.LocalOwner() && |
| 90 document.LocalOwner()->IsInert()); |
| 91 } |
| 92 |
85 // When a modal dialog opens or closes, nodes all over the accessibility | 93 // When a modal dialog opens or closes, nodes all over the accessibility |
86 // tree can change inertness which means they must be added or removed from | 94 // tree can change inertness which means they must be added or removed from |
87 // the tree. The most foolproof way is to clear the entire tree and rebuild | 95 // the tree. The most foolproof way is to clear the entire tree and rebuild |
88 // it, though a more clever way is probably possible. | 96 // it, though a more clever way is probably possible. |
89 document.ClearAXObjectCache(); | 97 document.ClearAXObjectCache(); |
90 if (AXObjectCache* cache = document.AxObjectCache()) | 98 if (AXObjectCache* cache = document.AxObjectCache()) |
91 cache->ChildrenChanged(&document); | 99 cache->ChildrenChanged(&document); |
92 } | 100 } |
93 | 101 |
94 inline HTMLDialogElement::HTMLDialogElement(Document& document) | 102 inline HTMLDialogElement::HTMLDialogElement(Document& document) |
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182 // is thrown away. | 190 // is thrown away. |
183 InertSubtreesChanged(GetDocument()); | 191 InertSubtreesChanged(GetDocument()); |
184 | 192 |
185 ForceLayoutForCentering(); | 193 ForceLayoutForCentering(); |
186 SetFocusForDialog(this); | 194 SetFocusForDialog(this); |
187 } | 195 } |
188 | 196 |
189 void HTMLDialogElement::RemovedFrom(ContainerNode* insertion_point) { | 197 void HTMLDialogElement::RemovedFrom(ContainerNode* insertion_point) { |
190 HTMLElement::RemovedFrom(insertion_point); | 198 HTMLElement::RemovedFrom(insertion_point); |
191 SetNotCentered(); | 199 SetNotCentered(); |
192 // FIXME: We should call inertSubtreesChanged() here. | 200 InertSubtreesChanged(GetDocument()); |
193 } | 201 } |
194 | 202 |
195 void HTMLDialogElement::SetCentered(LayoutUnit centered_position) { | 203 void HTMLDialogElement::SetCentered(LayoutUnit centered_position) { |
196 DCHECK_EQ(centering_mode_, kNeedsCentering); | 204 DCHECK_EQ(centering_mode_, kNeedsCentering); |
197 centered_position_ = centered_position; | 205 centered_position_ = centered_position; |
198 centering_mode_ = kCentered; | 206 centering_mode_ = kCentered; |
199 } | 207 } |
200 | 208 |
201 void HTMLDialogElement::SetNotCentered() { | 209 void HTMLDialogElement::SetNotCentered() { |
202 centering_mode_ = kNotCentered; | 210 centering_mode_ = kNotCentered; |
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216 void HTMLDialogElement::DefaultEventHandler(Event* event) { | 224 void HTMLDialogElement::DefaultEventHandler(Event* event) { |
217 if (event->type() == EventTypeNames::cancel) { | 225 if (event->type() == EventTypeNames::cancel) { |
218 CloseDialog(); | 226 CloseDialog(); |
219 event->SetDefaultHandled(); | 227 event->SetDefaultHandled(); |
220 return; | 228 return; |
221 } | 229 } |
222 HTMLElement::DefaultEventHandler(event); | 230 HTMLElement::DefaultEventHandler(event); |
223 } | 231 } |
224 | 232 |
225 } // namespace blink | 233 } // namespace blink |
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