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1 /* | |
2 * Copyright (C) 2009 Google Inc. All rights reserved. | |
3 * | |
4 * Redistribution and use in source and binary forms, with or without | |
5 * modification, are permitted provided that the following conditions are | |
6 * met: | |
7 * | |
8 * * Redistributions of source code must retain the above copyright | |
9 * notice, this list of conditions and the following disclaimer. | |
10 * * Redistributions in binary form must reproduce the above | |
11 * copyright notice, this list of conditions and the following disclaimer | |
12 * in the documentation and/or other materials provided with the | |
13 * distribution. | |
14 * * Neither the name of Google Inc. nor the names of its | |
15 * contributors may be used to endorse or promote products derived from | |
16 * this software without specific prior written permission. | |
17 * | |
18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | |
19 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | |
20 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR | |
21 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT | |
22 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | |
23 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT | |
24 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, | |
25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | |
26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | |
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. | |
29 */ | |
30 | |
31 #include "config.h" | |
32 #include "bindings/core/v8/V8WorkerGlobalScope.h" | |
33 | |
34 #include "bindings/v8/ExceptionState.h" | |
35 #include "bindings/v8/ScheduledAction.h" | |
36 #include "bindings/v8/V8Binding.h" | |
37 #include "bindings/v8/V8WorkerGlobalScopeEventListener.h" | |
38 #include "bindings/v8/WorkerScriptController.h" | |
39 #include "core/inspector/ScriptCallStack.h" | |
40 #include "core/frame/DOMTimer.h" | |
41 #include "core/frame/DOMWindowTimers.h" | |
42 #include "core/frame/csp/ContentSecurityPolicy.h" | |
43 #include "core/workers/WorkerGlobalScope.h" | |
44 #include "modules/websockets/WebSocket.h" | |
45 #include "wtf/OwnPtr.h" | |
46 | |
47 namespace WebCore { | |
48 | |
49 static void setTimeoutOrInterval(const v8::FunctionCallbackInfo<v8::Value>& info
, bool singleShot) | |
50 { | |
51 WorkerGlobalScope* workerGlobalScope = V8WorkerGlobalScope::toNative(info.Ho
lder()); | |
52 ASSERT(workerGlobalScope); | |
53 | |
54 int argumentCount = info.Length(); | |
55 if (argumentCount < 1) | |
56 return; | |
57 | |
58 v8::Handle<v8::Value> function = info[0]; | |
59 | |
60 WorkerScriptController* script = workerGlobalScope->script(); | |
61 if (!script) | |
62 return; | |
63 | |
64 ScriptState* scriptState = ScriptState::current(info.GetIsolate()); | |
65 OwnPtr<ScheduledAction> action; | |
66 if (function->IsString()) { | |
67 if (ContentSecurityPolicy* policy = workerGlobalScope->contentSecurityPo
licy()) { | |
68 if (!policy->allowEval()) { | |
69 v8SetReturnValue(info, 0); | |
70 return; | |
71 } | |
72 } | |
73 action = adoptPtr(new ScheduledAction(scriptState, toCoreString(function
.As<v8::String>()), workerGlobalScope->url(), info.GetIsolate())); | |
74 } else if (function->IsFunction()) { | |
75 size_t paramCount = argumentCount >= 2 ? argumentCount - 2 : 0; | |
76 OwnPtr<v8::Local<v8::Value>[]> params; | |
77 if (paramCount > 0) { | |
78 params = adoptArrayPtr(new v8::Local<v8::Value>[paramCount]); | |
79 for (size_t i = 0; i < paramCount; ++i) | |
80 params[i] = info[i+2]; | |
81 } | |
82 // ScheduledAction takes ownership of actual params and releases them in
its destructor. | |
83 action = adoptPtr(new ScheduledAction(scriptState, v8::Handle<v8::Functi
on>::Cast(function), paramCount, params.get(), info.GetIsolate())); | |
84 } else | |
85 return; | |
86 | |
87 int32_t timeout = argumentCount >= 2 ? info[1]->Int32Value() : 0; | |
88 int timerId; | |
89 if (singleShot) | |
90 timerId = DOMWindowTimers::setTimeout(*workerGlobalScope, action.release
(), timeout); | |
91 else | |
92 timerId = DOMWindowTimers::setInterval(*workerGlobalScope, action.releas
e(), timeout); | |
93 | |
94 v8SetReturnValue(info, timerId); | |
95 } | |
96 | |
97 void V8WorkerGlobalScope::setTimeoutMethodCustom(const v8::FunctionCallbackInfo<
v8::Value>& info) | |
98 { | |
99 return setTimeoutOrInterval(info, true); | |
100 } | |
101 | |
102 void V8WorkerGlobalScope::setIntervalMethodCustom(const v8::FunctionCallbackInfo
<v8::Value>& info) | |
103 { | |
104 return setTimeoutOrInterval(info, false); | |
105 } | |
106 | |
107 v8::Handle<v8::Value> toV8(WorkerGlobalScope* impl, v8::Handle<v8::Object> creat
ionContext, v8::Isolate* isolate) | |
108 { | |
109 // Notice that we explicitly ignore creationContext because the WorkerGlobal
Scope is its own creationContext. | |
110 | |
111 if (!impl) | |
112 return v8::Null(isolate); | |
113 | |
114 WorkerScriptController* script = impl->script(); | |
115 if (!script) | |
116 return v8::Null(isolate); | |
117 | |
118 v8::Handle<v8::Object> global = script->context()->Global(); | |
119 ASSERT(!global.IsEmpty()); | |
120 return global; | |
121 } | |
122 | |
123 } // namespace WebCore | |
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