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1 /* | 1 /* |
2 * Copyright (C) 2010 Google Inc. All rights reserved. | 2 * Copyright (C) 2010 Google Inc. All rights reserved. |
3 * Copyright (C) 2011 Apple Inc. All rights reserved. | 3 * Copyright (C) 2011 Apple Inc. All rights reserved. |
4 * | 4 * |
5 * Redistribution and use in source and binary forms, with or without | 5 * Redistribution and use in source and binary forms, with or without |
6 * modification, are permitted provided that the following conditions are | 6 * modification, are permitted provided that the following conditions are |
7 * met: | 7 * met: |
8 * | 8 * |
9 * * Redistributions of source code must retain the above copyright | 9 * * Redistributions of source code must retain the above copyright |
10 * notice, this list of conditions and the following disclaimer. | 10 * notice, this list of conditions and the following disclaimer. |
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81 if (state->indeterminate) | 81 if (state->indeterminate) |
82 element().setIndeterminate(false); | 82 element().setIndeterminate(false); |
83 | 83 |
84 element().setChecked(!state->checked, DispatchChangeEvent); | 84 element().setChecked(!state->checked, DispatchChangeEvent); |
85 m_isInClickHandler = true; | 85 m_isInClickHandler = true; |
86 return state.release(); | 86 return state.release(); |
87 } | 87 } |
88 | 88 |
89 void CheckboxInputType::didDispatchClick(Event* event, const ClickHandlingState&
state) | 89 void CheckboxInputType::didDispatchClick(Event* event, const ClickHandlingState&
state) |
90 { | 90 { |
| 91 // Prevent change event handlers from indirectly freeing the |
| 92 // CheckboxInputType via a modification of the "type" attribute on the |
| 93 // HTMLInputElement. |
| 94 RefPtrWillBeRawPtr<CheckboxInputType> protect(this); |
| 95 |
91 if (event->defaultPrevented() || event->defaultHandled()) { | 96 if (event->defaultPrevented() || event->defaultHandled()) { |
92 element().setIndeterminate(state.indeterminate); | 97 element().setIndeterminate(state.indeterminate); |
93 element().setChecked(state.checked); | 98 element().setChecked(state.checked); |
94 } else { | 99 } else { |
95 element().dispatchChangeEventIfNeeded(); | 100 element().dispatchChangeEventIfNeeded(); |
96 } | 101 } |
97 m_isInClickHandler = false; | 102 m_isInClickHandler = false; |
98 // The work we did in willDispatchClick was default handling. | 103 // The work we did in willDispatchClick was default handling. |
99 event->setDefaultHandled(); | 104 event->setDefaultHandled(); |
100 } | 105 } |
101 | 106 |
102 bool CheckboxInputType::shouldAppearIndeterminate() const | 107 bool CheckboxInputType::shouldAppearIndeterminate() const |
103 { | 108 { |
104 return element().indeterminate(); | 109 return element().indeterminate(); |
105 } | 110 } |
106 | 111 |
107 } // namespace blink | 112 } // namespace blink |
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