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1 /* | 1 /* |
2 * Copyright (C) 2008 Apple Inc. All Rights Reserved. | 2 * Copyright (C) 2008 Apple 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 * 1. Redistributions of source code must retain the above copyright | 7 * 1. Redistributions of source code must retain the above copyright |
8 * notice, this list of conditions and the following disclaimer. | 8 * notice, this list of conditions and the following disclaimer. |
9 * 2. Redistributions in binary form must reproduce the above copyright | 9 * 2. Redistributions in binary form must reproduce the above copyright |
10 * notice, this list of conditions and the following disclaimer in the | 10 * notice, this list of conditions and the following disclaimer in the |
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100 std::max(oneMillisecond, interval * oneMillisecond); | 100 std::max(oneMillisecond, interval * oneMillisecond); |
101 if (intervalMilliseconds < minimumInterval && | 101 if (intervalMilliseconds < minimumInterval && |
102 m_nestingLevel >= maxTimerNestingLevel) | 102 m_nestingLevel >= maxTimerNestingLevel) |
103 intervalMilliseconds = minimumInterval; | 103 intervalMilliseconds = minimumInterval; |
104 if (singleShot) | 104 if (singleShot) |
105 startOneShot(intervalMilliseconds, BLINK_FROM_HERE); | 105 startOneShot(intervalMilliseconds, BLINK_FROM_HERE); |
106 else | 106 else |
107 startRepeating(intervalMilliseconds, BLINK_FROM_HERE); | 107 startRepeating(intervalMilliseconds, BLINK_FROM_HERE); |
108 } | 108 } |
109 | 109 |
110 DOMTimer::~DOMTimer() {} | 110 DOMTimer::~DOMTimer() { |
| 111 if (m_action) |
| 112 m_action->dispose(); |
| 113 } |
111 | 114 |
112 void DOMTimer::stop() { | 115 void DOMTimer::stop() { |
113 InspectorInstrumentation::asyncTaskCanceled(getExecutionContext(), this); | 116 InspectorInstrumentation::asyncTaskCanceled(getExecutionContext(), this); |
114 m_userGestureToken = nullptr; | 117 m_userGestureToken = nullptr; |
115 // Need to release JS objects potentially protected by ScheduledAction | 118 // Need to release JS objects potentially protected by ScheduledAction |
116 // because they can form circular references back to the ExecutionContext | 119 // because they can form circular references back to the ExecutionContext |
117 // which will cause a memory leak. | 120 // which will cause a memory leak. |
| 121 if (m_action) |
| 122 m_action->dispose(); |
118 m_action = nullptr; | 123 m_action = nullptr; |
119 SuspendableTimer::stop(); | 124 SuspendableTimer::stop(); |
120 } | 125 } |
121 | 126 |
122 void DOMTimer::contextDestroyed() { | 127 void DOMTimer::contextDestroyed() { |
123 stop(); | 128 stop(); |
124 } | 129 } |
125 | 130 |
126 void DOMTimer::fired() { | 131 void DOMTimer::fired() { |
127 ExecutionContext* context = getExecutionContext(); | 132 ExecutionContext* context = getExecutionContext(); |
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165 InspectorUpdateCountersEvent::data()); | 170 InspectorUpdateCountersEvent::data()); |
166 | 171 |
167 // ExecutionContext might be already gone when we executed action->execute(). | 172 // ExecutionContext might be already gone when we executed action->execute(). |
168 ExecutionContext* executionContext = getExecutionContext(); | 173 ExecutionContext* executionContext = getExecutionContext(); |
169 if (!executionContext) | 174 if (!executionContext) |
170 return; | 175 return; |
171 | 176 |
172 executionContext->timers()->setTimerNestingLevel(0); | 177 executionContext->timers()->setTimerNestingLevel(0); |
173 // Eagerly unregister as ExecutionContext observer. | 178 // Eagerly unregister as ExecutionContext observer. |
174 clearContext(); | 179 clearContext(); |
| 180 // Eagerly clear out |action|'s resources. |
| 181 action->dispose(); |
175 } | 182 } |
176 | 183 |
177 WebTaskRunner* DOMTimer::timerTaskRunner() const { | 184 WebTaskRunner* DOMTimer::timerTaskRunner() const { |
178 return getExecutionContext()->timers()->timerTaskRunner(); | 185 return getExecutionContext()->timers()->timerTaskRunner(); |
179 } | 186 } |
180 | 187 |
181 DEFINE_TRACE(DOMTimer) { | 188 DEFINE_TRACE(DOMTimer) { |
182 visitor->trace(m_action); | 189 visitor->trace(m_action); |
183 SuspendableTimer::trace(visitor); | 190 SuspendableTimer::trace(visitor); |
184 } | 191 } |
185 | 192 |
186 } // namespace blink | 193 } // namespace blink |
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