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1 /* | 1 /* |
2 * Copyright (C) 2006, 2007, 2008, 2009 Google Inc. All rights reserved. | 2 * Copyright (C) 2006, 2007, 2008, 2009 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 are | 5 * modification, are permitted provided that the following conditions are |
6 * met: | 6 * met: |
7 * | 7 * |
8 * * Redistributions of source code must retain the above copyright | 8 * * 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 * * Redistributions in binary form must reproduce the above | 10 * * Redistributions in binary form must reproduce the above |
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51 , m_world(world) | 51 , m_world(world) |
52 , m_isolate(isolate) | 52 , m_isolate(isolate) |
53 { | 53 { |
54 ThreadLocalInspectorCounters::current().incrementCounter(ThreadLocalInspecto
rCounters::JSEventListenerCounter); | 54 ThreadLocalInspectorCounters::current().incrementCounter(ThreadLocalInspecto
rCounters::JSEventListenerCounter); |
55 } | 55 } |
56 | 56 |
57 V8AbstractEventListener::~V8AbstractEventListener() | 57 V8AbstractEventListener::~V8AbstractEventListener() |
58 { | 58 { |
59 if (!m_listener.isEmpty()) { | 59 if (!m_listener.isEmpty()) { |
60 v8::HandleScope scope(m_isolate); | 60 v8::HandleScope scope(m_isolate); |
61 V8EventListenerList::clearWrapper(m_listener.newLocal(m_isolate), m_isAt
tribute); | 61 V8EventListenerList::clearWrapper(m_listener.newLocal(m_isolate), m_isAt
tribute, m_isolate); |
62 } | 62 } |
63 ThreadLocalInspectorCounters::current().decrementCounter(ThreadLocalInspecto
rCounters::JSEventListenerCounter); | 63 ThreadLocalInspectorCounters::current().decrementCounter(ThreadLocalInspecto
rCounters::JSEventListenerCounter); |
64 } | 64 } |
65 | 65 |
66 void V8AbstractEventListener::handleEvent(ScriptExecutionContext* context, Event
* event) | 66 void V8AbstractEventListener::handleEvent(ScriptExecutionContext* context, Event
* event) |
67 { | 67 { |
68 // Don't reenter V8 if execution was terminated in this instance of V8. | 68 // Don't reenter V8 if execution was terminated in this instance of V8. |
69 if (context->isJSExecutionForbidden()) | 69 if (context->isJSExecutionForbidden()) |
70 return; | 70 return; |
71 | 71 |
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102 { | 102 { |
103 // If jsEvent is empty, attempt to set it as a hidden value would crash v8. | 103 // If jsEvent is empty, attempt to set it as a hidden value would crash v8. |
104 if (jsEvent.IsEmpty()) | 104 if (jsEvent.IsEmpty()) |
105 return; | 105 return; |
106 | 106 |
107 v8::Local<v8::Context> v8Context = toV8Context(context, world()); | 107 v8::Local<v8::Context> v8Context = toV8Context(context, world()); |
108 if (v8Context.IsEmpty()) | 108 if (v8Context.IsEmpty()) |
109 return; | 109 return; |
110 | 110 |
111 // We push the event being processed into the global object, so that it can
be exposed by DOMWindow's bindings. | 111 // We push the event being processed into the global object, so that it can
be exposed by DOMWindow's bindings. |
112 v8::Handle<v8::String> eventSymbol = V8HiddenPropertyName::event(); | 112 v8::Handle<v8::String> eventSymbol = V8HiddenPropertyName::event(v8Context->
GetIsolate()); |
113 v8::Local<v8::Value> returnValue; | 113 v8::Local<v8::Value> returnValue; |
114 | 114 |
115 // In beforeunload/unload handlers, we want to avoid sleeps which do tight l
oops of calling Date.getTime(). | 115 // In beforeunload/unload handlers, we want to avoid sleeps which do tight l
oops of calling Date.getTime(). |
116 if (event->type() == eventNames().beforeunloadEvent || event->type() == even
tNames().unloadEvent) | 116 if (event->type() == eventNames().beforeunloadEvent || event->type() == even
tNames().unloadEvent) |
117 DateExtension::get()->setAllowSleep(false, v8Context->GetIsolate()); | 117 DateExtension::get()->setAllowSleep(false, v8Context->GetIsolate()); |
118 | 118 |
119 { | 119 { |
120 // Catch exceptions thrown in the event handler so they do not propagate
to javascript code that caused the event to fire. | 120 // Catch exceptions thrown in the event handler so they do not propagate
to javascript code that caused the event to fire. |
121 v8::TryCatch tryCatch; | 121 v8::TryCatch tryCatch; |
122 tryCatch.SetVerbose(true); | 122 tryCatch.SetVerbose(true); |
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185 return v8::Local<v8::Object>(); | 185 return v8::Local<v8::Object>(); |
186 return v8::Local<v8::Object>::New(isolate, v8::Handle<v8::Object>::Cast(valu
e)); | 186 return v8::Local<v8::Object>::New(isolate, v8::Handle<v8::Object>::Cast(valu
e)); |
187 } | 187 } |
188 | 188 |
189 void V8AbstractEventListener::makeWeakCallback(v8::Isolate*, v8::Persistent<v8::
Object>*, V8AbstractEventListener* listener) | 189 void V8AbstractEventListener::makeWeakCallback(v8::Isolate*, v8::Persistent<v8::
Object>*, V8AbstractEventListener* listener) |
190 { | 190 { |
191 listener->m_listener.clear(); | 191 listener->m_listener.clear(); |
192 } | 192 } |
193 | 193 |
194 } // namespace WebCore | 194 } // namespace WebCore |
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