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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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91 | 91 |
92 void DOMTimer::disposeTimer() | 92 void DOMTimer::disposeTimer() |
93 { | 93 { |
94 m_action = nullptr; | 94 m_action = nullptr; |
95 m_userGestureToken = nullptr; | 95 m_userGestureToken = nullptr; |
96 stop(); | 96 stop(); |
97 } | 97 } |
98 | 98 |
99 void DOMTimer::fired() | 99 void DOMTimer::fired() |
100 { | 100 { |
101 ExecutionContext* context = executionContext(); | 101 ExecutionContext* context = getExecutionContext(); |
102 ASSERT(context); | 102 ASSERT(context); |
103 context->timers()->setTimerNestingLevel(m_nestingLevel); | 103 context->timers()->setTimerNestingLevel(m_nestingLevel); |
104 ASSERT(!context->activeDOMObjectsAreSuspended()); | 104 ASSERT(!context->activeDOMObjectsAreSuspended()); |
105 // Only the first execution of a multi-shot timer should get an affirmative
user gesture indicator. | 105 // Only the first execution of a multi-shot timer should get an affirmative
user gesture indicator. |
106 UserGestureIndicator gestureIndicator(m_userGestureToken.release()); | 106 UserGestureIndicator gestureIndicator(m_userGestureToken.release()); |
107 | 107 |
108 TRACE_EVENT1("devtools.timeline", "TimerFire", "data", InspectorTimerFireEve
nt::data(context, m_timeoutID)); | 108 TRACE_EVENT1("devtools.timeline", "TimerFire", "data", InspectorTimerFireEve
nt::data(context, m_timeoutID)); |
109 InspectorInstrumentationCookie cookie = InspectorInstrumentation::willFireTi
mer(context, m_timeoutID); | 109 InspectorInstrumentationCookie cookie = InspectorInstrumentation::willFireTi
mer(context, m_timeoutID); |
110 | 110 |
111 // Simple case for non-one-shot timers. | 111 // Simple case for non-one-shot timers. |
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130 // for one-shot timers. | 130 // for one-shot timers. |
131 OwnPtrWillBeRawPtr<ScheduledAction> action = m_action.release(); | 131 OwnPtrWillBeRawPtr<ScheduledAction> action = m_action.release(); |
132 context->timers()->removeTimeoutByID(m_timeoutID); | 132 context->timers()->removeTimeoutByID(m_timeoutID); |
133 | 133 |
134 action->execute(context); | 134 action->execute(context); |
135 | 135 |
136 InspectorInstrumentation::didFireTimer(cookie); | 136 InspectorInstrumentation::didFireTimer(cookie); |
137 TRACE_EVENT_INSTANT1(TRACE_DISABLED_BY_DEFAULT("devtools.timeline"), "Update
Counters", TRACE_EVENT_SCOPE_THREAD, "data", InspectorUpdateCountersEvent::data(
)); | 137 TRACE_EVENT_INSTANT1(TRACE_DISABLED_BY_DEFAULT("devtools.timeline"), "Update
Counters", TRACE_EVENT_SCOPE_THREAD, "data", InspectorUpdateCountersEvent::data(
)); |
138 | 138 |
139 // ExecutionContext might be already gone when we executed action->execute()
. | 139 // ExecutionContext might be already gone when we executed action->execute()
. |
140 if (executionContext()) | 140 if (getExecutionContext()) |
141 executionContext()->timers()->setTimerNestingLevel(0); | 141 getExecutionContext()->timers()->setTimerNestingLevel(0); |
142 } | 142 } |
143 | 143 |
144 void DOMTimer::stop() | 144 void DOMTimer::stop() |
145 { | 145 { |
146 SuspendableTimer::stop(); | 146 SuspendableTimer::stop(); |
147 // Need to release JS objects potentially protected by ScheduledAction | 147 // Need to release JS objects potentially protected by ScheduledAction |
148 // because they can form circular references back to the ExecutionContext | 148 // because they can form circular references back to the ExecutionContext |
149 // which will cause a memory leak. | 149 // which will cause a memory leak. |
150 m_action.clear(); | 150 m_action.clear(); |
151 } | 151 } |
152 | 152 |
153 WebTaskRunner* DOMTimer::timerTaskRunner() const | 153 WebTaskRunner* DOMTimer::timerTaskRunner() const |
154 { | 154 { |
155 return executionContext()->timers()->timerTaskRunner(); | 155 return getExecutionContext()->timers()->timerTaskRunner(); |
156 } | 156 } |
157 | 157 |
158 DEFINE_TRACE(DOMTimer) | 158 DEFINE_TRACE(DOMTimer) |
159 { | 159 { |
160 visitor->trace(m_action); | 160 visitor->trace(m_action); |
161 SuspendableTimer::trace(visitor); | 161 SuspendableTimer::trace(visitor); |
162 } | 162 } |
163 | 163 |
164 } // namespace blink | 164 } // namespace blink |
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