15c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)/* 25c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * Copyright (C) 2006, 2007, 2008, 2009 Google Inc. All rights reserved. 35c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * 45c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * Redistribution and use in source and binary forms, with or without 55c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * modification, are permitted provided that the following conditions are 65c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * met: 75c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * 85c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * * Redistributions of source code must retain the above copyright 95c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * notice, this list of conditions and the following disclaimer. 105c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * * Redistributions in binary form must reproduce the above 115c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * copyright notice, this list of conditions and the following disclaimer 125c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * in the documentation and/or other materials provided with the 135c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * distribution. 145c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * * Neither the name of Google Inc. nor the names of its 155c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * contributors may be used to endorse or promote products derived from 165c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * this software without specific prior written permission. 175c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * 185c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 195c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 205c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 215c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 225c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 235c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 245c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 255c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 265c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 275c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 285c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 295c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) */ 305c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 315c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)#include "config.h" 325c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 33591b958dee2cf159d33a0b931e6231072eaf38d5Ben Murdoch#include "bindings/v8/V8WorkerGlobalScopeEventListener.h" 345c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 355c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)#include "V8Event.h" 36926b001d589ce2f10facb93dd4b87578ea35a855Torne (Richard Coles)#include "V8EventTarget.h" 3753e740f4a82e17f3ae59772501622dc354e42336Torne (Richard Coles)#include "bindings/v8/V8Binding.h" 3853e740f4a82e17f3ae59772501622dc354e42336Torne (Richard Coles)#include "bindings/v8/V8DOMWrapper.h" 3953e740f4a82e17f3ae59772501622dc354e42336Torne (Richard Coles)#include "bindings/v8/V8GCController.h" 405267f701546148b83dfbe1d151cb184385bb5c22Torne (Richard Coles)#include "bindings/v8/V8ScriptRunner.h" 4153e740f4a82e17f3ae59772501622dc354e42336Torne (Richard Coles)#include "bindings/v8/WorkerScriptController.h" 4253e740f4a82e17f3ae59772501622dc354e42336Torne (Richard Coles)#include "core/inspector/InspectorInstrumentation.h" 43591b958dee2cf159d33a0b931e6231072eaf38d5Ben Murdoch#include "core/workers/WorkerGlobalScope.h" 445c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 455c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)namespace WebCore { 465c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 47591b958dee2cf159d33a0b931e6231072eaf38d5Ben MurdochV8WorkerGlobalScopeEventListener::V8WorkerGlobalScopeEventListener(v8::Local<v8::Object> listener, bool isInline) 4853e740f4a82e17f3ae59772501622dc354e42336Torne (Richard Coles) : V8EventListener(listener, isInline) 495c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles){ 505c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)} 515c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 52591b958dee2cf159d33a0b931e6231072eaf38d5Ben Murdochvoid V8WorkerGlobalScopeEventListener::handleEvent(ScriptExecutionContext* context, Event* event) 535c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles){ 545c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) if (!context) 555c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) return; 565c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 575c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) // The callback function on XMLHttpRequest can clear the event listener and destroys 'this' object. Keep a local reference to it. 585c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) // See issue 889829. 595c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) RefPtr<V8AbstractEventListener> protect(this); 605c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 615c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) v8::HandleScope handleScope; 625c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 63591b958dee2cf159d33a0b931e6231072eaf38d5Ben Murdoch WorkerScriptController* script = toWorkerGlobalScope(context)->script(); 64926b001d589ce2f10facb93dd4b87578ea35a855Torne (Richard Coles) if (!script) 655c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) return; 665c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 67926b001d589ce2f10facb93dd4b87578ea35a855Torne (Richard Coles) v8::Handle<v8::Context> v8Context = script->context(); 685c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) if (v8Context.IsEmpty()) 695c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) return; 705c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 715c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) // Enter the V8 context in which to perform the event handling. 725c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) v8::Context::Scope scope(v8Context); 735c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 745c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) // Get the V8 wrapper for the event object. 7553e740f4a82e17f3ae59772501622dc354e42336Torne (Richard Coles) v8::Isolate* isolate = v8Context->GetIsolate(); 7653e740f4a82e17f3ae59772501622dc354e42336Torne (Richard Coles) v8::Handle<v8::Value> jsEvent = toV8(event, v8::Handle<v8::Object>(), isolate); 775c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 7853e740f4a82e17f3ae59772501622dc354e42336Torne (Richard Coles) invokeEventHandler(context, event, v8::Local<v8::Value>::New(isolate, jsEvent)); 795c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)} 805c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 81591b958dee2cf159d33a0b931e6231072eaf38d5Ben Murdochv8::Local<v8::Value> V8WorkerGlobalScopeEventListener::callListenerFunction(ScriptExecutionContext* context, v8::Handle<v8::Value> jsEvent, Event* event) 825c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles){ 835c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) v8::Local<v8::Function> handlerFunction = getListenerFunction(context); 845c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) v8::Local<v8::Object> receiver = getReceiverObject(context, event); 855c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) if (handlerFunction.IsEmpty() || receiver.IsEmpty()) 865c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) return v8::Local<v8::Value>(); 875c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 885c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) InspectorInstrumentationCookie cookie; 895c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) if (InspectorInstrumentation::timelineAgentEnabled(context)) { 905c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) String resourceName("undefined"); 915c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) int lineNumber = 1; 925c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) v8::ScriptOrigin origin = handlerFunction->GetScriptOrigin(); 935c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) if (!origin.ResourceName().IsEmpty()) { 945c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) resourceName = toWebCoreString(origin.ResourceName()); 955c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) lineNumber = handlerFunction->GetScriptLineNumber() + 1; 965c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) } 975c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) cookie = InspectorInstrumentation::willCallFunction(context, resourceName, lineNumber); 985c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) } 995c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 1005c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) v8::Handle<v8::Value> parameters[1] = { jsEvent }; 1015267f701546148b83dfbe1d151cb184385bb5c22Torne (Richard Coles) v8::Local<v8::Value> result = V8ScriptRunner::callFunction(handlerFunction, context, receiver, WTF_ARRAY_LENGTH(parameters), parameters); 1025c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 1035c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) InspectorInstrumentation::didCallFunction(cookie); 1045c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 1055c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) return result; 1065c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)} 1075c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 108591b958dee2cf159d33a0b931e6231072eaf38d5Ben Murdochv8::Local<v8::Object> V8WorkerGlobalScopeEventListener::getReceiverObject(ScriptExecutionContext* context, Event* event) 1095c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles){ 1105c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) v8::Local<v8::Object> listener = getListenerObject(context); 1115c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 1125c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) if (!listener.IsEmpty() && !listener->IsFunction()) 1135c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) return listener; 1145c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 1155c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) EventTarget* target = event->currentTarget(); 11653e740f4a82e17f3ae59772501622dc354e42336Torne (Richard Coles) v8::Handle<v8::Value> value = toV8(target, v8::Handle<v8::Object>(), toV8Context(context, world())->GetIsolate()); 1175c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) if (value.IsEmpty()) 1185c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) return v8::Local<v8::Object>(); 1195c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) return v8::Local<v8::Object>::New(v8::Handle<v8::Object>::Cast(value)); 1205c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)} 1215c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 1225c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)} // namespace WebCore 123