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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 | |
| 33 #include "V8WorkerContext.h" | |
| 34 | |
| 35 #include "bindings/v8/ScheduledAction.h" | |
| 36 #include "bindings/v8/V8Binding.h" | |
| 37 #include "bindings/v8/V8Utilities.h" | |
| 38 #include "bindings/v8/V8WorkerContextEventListener.h" | |
| 39 #include "bindings/v8/WorkerScriptController.h" | |
| 40 #include "core/dom/ExceptionCode.h" | |
| 41 #include "core/inspector/ScriptCallStack.h" | |
| 42 #include "core/page/ContentSecurityPolicy.h" | |
| 43 #include "core/page/DOMTimer.h" | |
| 44 #include "core/workers/WorkerContext.h" | |
| 45 #include "modules/websockets/WebSocket.h" | |
| 46 | |
| 47 namespace WebCore { | |
| 48 | |
| 49 void SetTimeoutOrInterval(const v8::FunctionCallbackInfo<v8::Value>& args, bool
singleShot) | |
| 50 { | |
| 51 WorkerContext* workerContext = V8WorkerContext::toNative(args.Holder()); | |
| 52 | |
| 53 int argumentCount = args.Length(); | |
| 54 if (argumentCount < 1) | |
| 55 return; | |
| 56 | |
| 57 v8::Handle<v8::Value> function = args[0]; | |
| 58 int32_t timeout = argumentCount >= 2 ? args[1]->Int32Value() : 0; | |
| 59 int timerId; | |
| 60 | |
| 61 WorkerScriptController* script = workerContext->script(); | |
| 62 if (!script) | |
| 63 return; | |
| 64 | |
| 65 v8::Handle<v8::Context> v8Context = script->context(); | |
| 66 if (function->IsString()) { | |
| 67 if (ContentSecurityPolicy* policy = workerContext->contentSecurityPolicy
()) { | |
| 68 if (!policy->allowEval()) { | |
| 69 v8SetReturnValue(args, 0); | |
| 70 return; | |
| 71 } | |
| 72 } | |
| 73 WTF::String stringFunction = toWebCoreString(function); | |
| 74 timerId = DOMTimer::install(workerContext, adoptPtr(new ScheduledAction(
v8Context, stringFunction, workerContext->url(), args.GetIsolate())), timeout, s
ingleShot); | |
| 75 } else if (function->IsFunction()) { | |
| 76 size_t paramCount = argumentCount >= 2 ? argumentCount - 2 : 0; | |
| 77 v8::Local<v8::Value>* params = 0; | |
| 78 if (paramCount > 0) { | |
| 79 params = new v8::Local<v8::Value>[paramCount]; | |
| 80 for (size_t i = 0; i < paramCount; ++i) | |
| 81 params[i] = args[i+2]; | |
| 82 } | |
| 83 // ScheduledAction takes ownership of actual params and releases them in
its destructor. | |
| 84 OwnPtr<ScheduledAction> action = adoptPtr(new ScheduledAction(v8Context,
v8::Handle<v8::Function>::Cast(function), paramCount, params, args.GetIsolate()
)); | |
| 85 // FIXME: We should use a OwnArrayPtr for params. | |
| 86 delete [] params; | |
| 87 timerId = DOMTimer::install(workerContext, action.release(), timeout, si
ngleShot); | |
| 88 } else | |
| 89 return; | |
| 90 | |
| 91 v8SetReturnValue(args, timerId); | |
| 92 } | |
| 93 | |
| 94 void V8WorkerContext::importScriptsMethodCustom(const v8::FunctionCallbackInfo<v
8::Value>& args) | |
| 95 { | |
| 96 if (!args.Length()) | |
| 97 return; | |
| 98 | |
| 99 Vector<String> urls; | |
| 100 for (int i = 0; i < args.Length(); i++) { | |
| 101 V8TRYCATCH_VOID(v8::Handle<v8::String>, scriptUrl, args[i]->ToString()); | |
| 102 if (scriptUrl.IsEmpty()) | |
| 103 return; | |
| 104 urls.append(toWebCoreString(scriptUrl)); | |
| 105 } | |
| 106 | |
| 107 WorkerContext* workerContext = V8WorkerContext::toNative(args.Holder()); | |
| 108 | |
| 109 ExceptionCode ec = 0; | |
| 110 workerContext->importScripts(urls, ec); | |
| 111 | |
| 112 if (!ec) | |
| 113 return; | |
| 114 setDOMException(ec, args.GetIsolate()); | |
| 115 } | |
| 116 | |
| 117 void V8WorkerContext::setTimeoutMethodCustom(const v8::FunctionCallbackInfo<v8::
Value>& args) | |
| 118 { | |
| 119 return SetTimeoutOrInterval(args, true); | |
| 120 } | |
| 121 | |
| 122 void V8WorkerContext::setIntervalMethodCustom(const v8::FunctionCallbackInfo<v8:
:Value>& args) | |
| 123 { | |
| 124 return SetTimeoutOrInterval(args, false); | |
| 125 } | |
| 126 | |
| 127 v8::Handle<v8::Value> toV8(WorkerContext* impl, v8::Handle<v8::Object> creationC
ontext, v8::Isolate* isolate) | |
| 128 { | |
| 129 // Notice that we explicitly ignore creationContext because the WorkerContex
t is its own creationContext. | |
| 130 | |
| 131 if (!impl) | |
| 132 return v8NullWithCheck(isolate); | |
| 133 | |
| 134 WorkerScriptController* script = impl->script(); | |
| 135 if (!script) | |
| 136 return v8NullWithCheck(isolate); | |
| 137 | |
| 138 v8::Handle<v8::Object> global = script->context()->Global(); | |
| 139 ASSERT(!global.IsEmpty()); | |
| 140 return global; | |
| 141 } | |
| 142 | |
| 143 v8::Handle<v8::Value> toV8ForMainWorld(WorkerContext* impl, v8::Handle<v8::Objec
t> creationContext, v8::Isolate* isolate) | |
| 144 { | |
| 145 return toV8(impl, creationContext, isolate); | |
| 146 } | |
| 147 | |
| 148 } // namespace WebCore | |
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