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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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