15c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)/* 25c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * Copyright (C) 2009, 2011 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" 3253e740f4a82e17f3ae59772501622dc354e42336Torne (Richard Coles)#include "bindings/v8/ScriptState.h" 335c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 34521d96ec04ace82590870fb04353ec4f82bb150fTorne (Richard Coles)#include "V8Window.h" 35591b958dee2cf159d33a0b931e6231072eaf38d5Ben Murdoch#include "V8WorkerGlobalScope.h" 3653e740f4a82e17f3ae59772501622dc354e42336Torne (Richard Coles)#include "bindings/v8/ScriptController.h" 3753e740f4a82e17f3ae59772501622dc354e42336Torne (Richard Coles)#include "bindings/v8/V8HiddenPropertyName.h" 3853e740f4a82e17f3ae59772501622dc354e42336Torne (Richard Coles)#include "bindings/v8/WorkerScriptController.h" 391e202183a5dc46166763171984b285173f8585e5Torne (Richard Coles)#include "core/frame/Frame.h" 40591b958dee2cf159d33a0b931e6231072eaf38d5Ben Murdoch#include "core/workers/WorkerGlobalScope.h" 415c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)#include <v8.h> 4253e740f4a82e17f3ae59772501622dc354e42336Torne (Richard Coles)#include "wtf/Assertions.h" 435c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 445c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)namespace WebCore { 455c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 465c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)ScriptState::ScriptState(v8::Handle<v8::Context> context) 479bbd2f5e390b01907d97ecffde80aa1b06113aacTorne (Richard Coles) : m_context(context->GetIsolate(), context) 4893ac45cfc74041c8ae536ce58a9534d46db2024eTorne (Richard Coles) , m_isolate(context->GetIsolate()) 495c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles){ 50a854de003a23bf3c7f95ec0f8154ada64092ff5cTorne (Richard Coles) m_context.setWeak(this, &setWeakCallback); 515c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)} 525c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 535c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)ScriptState::~ScriptState() 545c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles){ 555c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)} 565c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 575c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)DOMWindow* ScriptState::domWindow() const 585c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles){ 59521d96ec04ace82590870fb04353ec4f82bb150fTorne (Richard Coles) v8::HandleScope handleScope(m_isolate); 60521d96ec04ace82590870fb04353ec4f82bb150fTorne (Richard Coles) return toDOMWindow(m_context.newLocal(m_isolate)); 615c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)} 625c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 631e202183a5dc46166763171984b285173f8585e5Torne (Richard Coles)ExecutionContext* ScriptState::executionContext() const 645c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles){ 65521d96ec04ace82590870fb04353ec4f82bb150fTorne (Richard Coles) v8::HandleScope handleScope(m_isolate); 661e202183a5dc46166763171984b285173f8585e5Torne (Richard Coles) return toExecutionContext(m_context.newLocal(m_isolate)); 675c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)} 685c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 695267f701546148b83dfbe1d151cb184385bb5c22Torne (Richard Coles)ScriptState* ScriptState::forContext(v8::Handle<v8::Context> context) 705c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles){ 715c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) v8::Context::Scope contextScope(context); 725c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 735c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) v8::Local<v8::Object> innerGlobal = v8::Local<v8::Object>::Cast(context->Global()->GetPrototype()); 745c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 7506f816c7c76bc45a15e452ade8a34e8af077693eTorne (Richard Coles) v8::Local<v8::Value> scriptStateWrapper = innerGlobal->GetHiddenValue(V8HiddenPropertyName::scriptState(context->GetIsolate())); 765c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) if (!scriptStateWrapper.IsEmpty() && scriptStateWrapper->IsExternal()) 775c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) return static_cast<ScriptState*>(v8::External::Cast(*scriptStateWrapper)->Value()); 785c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 795c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) ScriptState* scriptState = new ScriptState(context); 8051b2906e11752df6c18351cf520e30522d3b53a1Torne (Richard Coles) innerGlobal->SetHiddenValue(V8HiddenPropertyName::scriptState(context->GetIsolate()), v8::External::New(context->GetIsolate(), scriptState)); 815c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) return scriptState; 825c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)} 835c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 845c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)ScriptState* ScriptState::current() 855c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles){ 868abfc5808a4e34d6e03867af8bc440dee641886fTorne (Richard Coles) v8::Isolate* isolate = v8::Isolate::GetCurrent(); 878abfc5808a4e34d6e03867af8bc440dee641886fTorne (Richard Coles) v8::HandleScope handleScope(isolate); 888abfc5808a4e34d6e03867af8bc440dee641886fTorne (Richard Coles) v8::Local<v8::Context> context = isolate->GetCurrentContext(); 895c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) ASSERT(!context.IsEmpty()); 905c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) return ScriptState::forContext(context); 915c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)} 925c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 93a854de003a23bf3c7f95ec0f8154ada64092ff5cTorne (Richard Coles)void ScriptState::setWeakCallback(const v8::WeakCallbackData<v8::Context, ScriptState>& data) 9493ac45cfc74041c8ae536ce58a9534d46db2024eTorne (Richard Coles){ 95a854de003a23bf3c7f95ec0f8154ada64092ff5cTorne (Richard Coles) delete data.GetParameter(); 9693ac45cfc74041c8ae536ce58a9534d46db2024eTorne (Richard Coles)} 9793ac45cfc74041c8ae536ce58a9534d46db2024eTorne (Richard Coles) 985267f701546148b83dfbe1d151cb184385bb5c22Torne (Richard Coles)bool ScriptState::evalEnabled() const 995c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles){ 1003464d02a173573db42f8ee6bb07bb74fabf4f5f2Ben Murdoch v8::HandleScope handleScope(m_isolate); 1015267f701546148b83dfbe1d151cb184385bb5c22Torne (Richard Coles) return context()->IsCodeGenerationFromStringsAllowed(); 1025c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)} 1035c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 1045267f701546148b83dfbe1d151cb184385bb5c22Torne (Richard Coles)void ScriptState::setEvalEnabled(bool enabled) 1055c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles){ 1063464d02a173573db42f8ee6bb07bb74fabf4f5f2Ben Murdoch v8::HandleScope handleScope(m_isolate); 1075267f701546148b83dfbe1d151cb184385bb5c22Torne (Richard Coles) return context()->AllowCodeGenerationFromStrings(enabled); 1085c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)} 1095c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 1105c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)ScriptState* mainWorldScriptState(Frame* frame) 1115c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles){ 1129bbd2f5e390b01907d97ecffde80aa1b06113aacTorne (Richard Coles) v8::HandleScope handleScope(toIsolate(frame)); 113f79f16f17ddc4f842d7b7a38603e280e94be826aTorne (Richard Coles) return ScriptState::forContext(frame->script().mainWorldContext()); 1145c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)} 1155c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 116591b958dee2cf159d33a0b931e6231072eaf38d5Ben MurdochScriptState* scriptStateFromWorkerGlobalScope(WorkerGlobalScope* workerGlobalScope) 1175c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles){ 118591b958dee2cf159d33a0b931e6231072eaf38d5Ben Murdoch WorkerScriptController* script = workerGlobalScope->script(); 119926b001d589ce2f10facb93dd4b87578ea35a855Torne (Richard Coles) if (!script) 1205c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) return 0; 1215c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 1228abfc5808a4e34d6e03867af8bc440dee641886fTorne (Richard Coles) v8::HandleScope handleScope(script->isolate()); 123926b001d589ce2f10facb93dd4b87578ea35a855Torne (Richard Coles) return ScriptState::forContext(script->context()); 1245c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)} 1255c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 1265c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)} 127