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1 /* | 1 /* |
2 * Copyright (C) 2007-2009 Google Inc. All rights reserved. | 2 * Copyright (C) 2007-2009 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 |
(...skipping 11 matching lines...) Expand all Loading... |
22 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | 22 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
23 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT | 23 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
24 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, | 24 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | 25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | 26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | 27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | 28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
29 */ | 29 */ |
30 | 30 |
31 #include "config.h" | 31 #include "config.h" |
32 #include "ScheduledAction.h" | 32 #include "V8ScheduledAction.h" |
33 | 33 |
34 #include "Document.h" | 34 #include "Document.h" |
35 #include "ScriptExecutionContext.h" | 35 #include "ScriptExecutionContext.h" |
36 #include "ScriptSourceCode.h" | 36 #include "ScriptSourceCode.h" |
37 | 37 |
38 #if PLATFORM(CHROMIUM) | 38 #if PLATFORM(CHROMIUM) |
39 #include "TraceEvent.h" | 39 #include "TraceEvent.h" |
40 #endif | 40 #endif |
41 | 41 |
42 #include "V8Binding.h" | 42 #include "V8Binding.h" |
43 #include "V8Proxy.h" | 43 #include "V8Proxy.h" |
44 #include "WorkerContext.h" | 44 #include "WorkerContext.h" |
45 #include "WorkerContextExecutionProxy.h" | 45 #include "WorkerContextExecutionProxy.h" |
46 #include "WorkerThread.h" | 46 #include "WorkerThread.h" |
47 | 47 |
48 namespace WebCore { | 48 namespace WebCore { |
49 | 49 |
50 ScheduledAction::ScheduledAction(v8::Handle<v8::Context> context, v8::Handle<v8:
:Function> func, int argc, v8::Handle<v8::Value> argv[]) | 50 V8ScheduledAction::V8ScheduledAction(v8::Handle<v8::Context> context, v8::Handle
<v8::Function> func, int argc, v8::Handle<v8::Value> argv[]) |
51 : m_context(context) | 51 : m_context(context) |
52 , m_code(String(), KURL(), TextPosition::belowRangePosition()) | 52 , m_code(String(), KURL(), TextPosition::belowRangePosition()) |
53 { | 53 { |
54 m_function = v8::Persistent<v8::Function>::New(func); | 54 m_function = v8::Persistent<v8::Function>::New(func); |
55 | 55 |
56 #ifndef NDEBUG | 56 #ifndef NDEBUG |
57 V8GCController::registerGlobalHandle(SCHEDULED_ACTION, this, m_function); | 57 V8GCController::registerGlobalHandle(SCHEDULED_ACTION, this, m_function); |
58 #endif | 58 #endif |
59 | 59 |
60 m_argc = argc; | 60 m_argc = argc; |
61 if (argc > 0) { | 61 if (argc > 0) { |
62 m_argv = new v8::Persistent<v8::Value>[argc]; | 62 m_argv = new v8::Persistent<v8::Value>[argc]; |
63 for (int i = 0; i < argc; i++) { | 63 for (int i = 0; i < argc; i++) { |
64 m_argv[i] = v8::Persistent<v8::Value>::New(argv[i]); | 64 m_argv[i] = v8::Persistent<v8::Value>::New(argv[i]); |
65 | 65 |
66 #ifndef NDEBUG | 66 #ifndef NDEBUG |
67 V8GCController::registerGlobalHandle(SCHEDULED_ACTION, this, m_argv[i]); | 67 V8GCController::registerGlobalHandle(SCHEDULED_ACTION, this, m_argv[i]); |
68 #endif | 68 #endif |
69 } | 69 } |
70 } else | 70 } else |
71 m_argv = 0; | 71 m_argv = 0; |
72 } | 72 } |
73 | 73 |
74 ScheduledAction::~ScheduledAction() | 74 V8ScheduledAction::~V8ScheduledAction() |
75 { | 75 { |
76 if (m_function.IsEmpty()) | 76 if (m_function.IsEmpty()) |
77 return; | 77 return; |
78 | 78 |
79 #ifndef NDEBUG | 79 #ifndef NDEBUG |
80 V8GCController::unregisterGlobalHandle(this, m_function); | 80 V8GCController::unregisterGlobalHandle(this, m_function); |
81 #endif | 81 #endif |
82 m_function.Dispose(); | 82 m_function.Dispose(); |
83 | 83 |
84 for (int i = 0; i < m_argc; i++) { | 84 for (int i = 0; i < m_argc; i++) { |
85 #ifndef NDEBUG | 85 #ifndef NDEBUG |
86 V8GCController::unregisterGlobalHandle(this, m_argv[i]); | 86 V8GCController::unregisterGlobalHandle(this, m_argv[i]); |
87 #endif | 87 #endif |
88 m_argv[i].Dispose(); | 88 m_argv[i].Dispose(); |
89 } | 89 } |
90 | 90 |
91 if (m_argc > 0) | 91 if (m_argc > 0) |
92 delete[] m_argv; | 92 delete[] m_argv; |
93 } | 93 } |
94 | 94 |
95 void ScheduledAction::execute(ScriptExecutionContext* context) | 95 void V8ScheduledAction::execute(ScriptExecutionContext* context) |
96 { | 96 { |
97 V8Proxy* proxy = V8Proxy::retrieve(context); | 97 V8Proxy* proxy = V8Proxy::retrieve(context); |
98 if (proxy) | 98 if (proxy) |
99 execute(proxy); | 99 execute(proxy); |
100 #if ENABLE(WORKERS) | 100 #if ENABLE(WORKERS) |
101 else if (context->isWorkerContext()) | 101 else if (context->isWorkerContext()) |
102 execute(static_cast<WorkerContext*>(context)); | 102 execute(static_cast<WorkerContext*>(context)); |
103 #endif | 103 #endif |
104 // It's possible that Javascript is disabled and that we have neither a V8Pr
oxy | 104 // It's possible that Javascript is disabled and that we have neither a V8Pr
oxy |
105 // nor a WorkerContext. Do nothing in that case. | 105 // nor a WorkerContext. Do nothing in that case. |
106 } | 106 } |
107 | 107 |
108 void ScheduledAction::execute(V8Proxy* proxy) | 108 void V8ScheduledAction::execute(V8Proxy* proxy) |
109 { | 109 { |
110 ASSERT(proxy); | 110 ASSERT(proxy); |
111 | 111 |
112 v8::HandleScope handleScope; | 112 v8::HandleScope handleScope; |
113 v8::Handle<v8::Context> v8Context = v8::Local<v8::Context>::New(m_context.ge
t()); | 113 v8::Handle<v8::Context> v8Context = v8::Local<v8::Context>::New(m_context.ge
t()); |
114 if (v8Context.IsEmpty()) | 114 if (v8Context.IsEmpty()) |
115 return; // JS may not be enabled. | 115 return; // JS may not be enabled. |
116 | 116 |
117 #if PLATFORM(CHROMIUM) | 117 #if PLATFORM(CHROMIUM) |
118 TRACE_EVENT("ScheduledAction::execute", this, 0); | 118 TRACE_EVENT("V8ScheduledAction::execute", this, 0); |
119 #endif | 119 #endif |
120 | 120 |
121 v8::Context::Scope scope(v8Context); | 121 v8::Context::Scope scope(v8Context); |
122 | 122 |
123 // FIXME: Need to implement timeouts for preempting a long-running script. | 123 // FIXME: Need to implement timeouts for preempting a long-running script. |
124 if (!m_function.IsEmpty() && m_function->IsFunction()) { | 124 if (!m_function.IsEmpty() && m_function->IsFunction()) { |
125 proxy->callFunction(v8::Persistent<v8::Function>::Cast(m_function), v8Co
ntext->Global(), m_argc, m_argv); | 125 proxy->callFunction(v8::Persistent<v8::Function>::Cast(m_function), v8Co
ntext->Global(), m_argc, m_argv); |
126 Document::updateStyleForAllDocuments(); | 126 Document::updateStyleForAllDocuments(); |
127 } else | 127 } else |
128 proxy->evaluate(m_code, 0); | 128 proxy->evaluate(m_code, 0); |
129 | 129 |
130 // The 'proxy' may be invalid at this point since JS could have released the
owning Frame. | 130 // The 'proxy' may be invalid at this point since JS could have released the
owning Frame. |
131 } | 131 } |
132 | 132 |
133 #if ENABLE(WORKERS) | 133 #if ENABLE(WORKERS) |
134 void ScheduledAction::execute(WorkerContext* workerContext) | 134 void V8ScheduledAction::execute(WorkerContext* workerContext) |
135 { | 135 { |
136 // In a Worker, the execution should always happen on a worker thread. | 136 // In a Worker, the execution should always happen on a worker thread. |
137 ASSERT(workerContext->thread()->threadID() == currentThread()); | 137 ASSERT(workerContext->thread()->threadID() == currentThread()); |
138 | 138 |
139 WorkerScriptController* scriptController = workerContext->script(); | 139 WorkerScriptController* scriptController = workerContext->script(); |
140 | 140 |
141 if (!m_function.IsEmpty() && m_function->IsFunction()) { | 141 if (!m_function.IsEmpty() && m_function->IsFunction()) { |
142 v8::HandleScope handleScope; | 142 v8::HandleScope handleScope; |
143 v8::Handle<v8::Context> v8Context = v8::Local<v8::Context>::New(m_contex
t.get()); | 143 v8::Handle<v8::Context> v8Context = v8::Local<v8::Context>::New(m_contex
t.get()); |
144 ASSERT(!v8Context.IsEmpty()); | 144 ASSERT(!v8Context.IsEmpty()); |
145 v8::Context::Scope scope(v8Context); | 145 v8::Context::Scope scope(v8Context); |
146 m_function->Call(v8Context->Global(), m_argc, m_argv); | 146 m_function->Call(v8Context->Global(), m_argc, m_argv); |
147 } else | 147 } else |
148 scriptController->evaluate(m_code); | 148 scriptController->evaluate(m_code); |
149 } | 149 } |
150 #endif | 150 #endif |
151 | 151 |
152 } // namespace WebCore | 152 } // namespace WebCore |
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