| /* |
| * Copyright (C) 2009, 2011 Google Inc. All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions are |
| * met: |
| * |
| * * Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * * Redistributions in binary form must reproduce the above |
| * copyright notice, this list of conditions and the following disclaimer |
| * in the documentation and/or other materials provided with the |
| * distribution. |
| * * Neither the name of Google Inc. nor the names of its |
| * contributors may be used to endorse or promote products derived from |
| * this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| #include "config.h" |
| #include "bindings/v8/ScriptState.h" |
| |
| #include "V8Window.h" |
| #include "V8WorkerGlobalScope.h" |
| #include "bindings/v8/ScriptController.h" |
| #include "bindings/v8/V8HiddenPropertyName.h" |
| #include "bindings/v8/WorkerScriptController.h" |
| #include "core/page/Frame.h" |
| #include "core/workers/WorkerGlobalScope.h" |
| #include <v8.h> |
| #include "wtf/Assertions.h" |
| |
| namespace WebCore { |
| |
| ScriptState::ScriptState(v8::Handle<v8::Context> context) |
| : m_context(context) |
| , m_isolate(context->GetIsolate()) |
| { |
| m_context.makeWeak(this, &makeWeakCallback); |
| } |
| |
| ScriptState::~ScriptState() |
| { |
| } |
| |
| DOMWindow* ScriptState::domWindow() const |
| { |
| v8::HandleScope handleScope(m_isolate); |
| return toDOMWindow(m_context.newLocal(m_isolate)); |
| } |
| |
| ScriptExecutionContext* ScriptState::scriptExecutionContext() const |
| { |
| v8::HandleScope handleScope(m_isolate); |
| return toScriptExecutionContext(m_context.newLocal(m_isolate)); |
| } |
| |
| ScriptState* ScriptState::forContext(v8::Handle<v8::Context> context) |
| { |
| v8::Context::Scope contextScope(context); |
| |
| v8::Local<v8::Object> innerGlobal = v8::Local<v8::Object>::Cast(context->Global()->GetPrototype()); |
| |
| v8::Local<v8::Value> scriptStateWrapper = innerGlobal->GetHiddenValue(V8HiddenPropertyName::scriptState()); |
| if (!scriptStateWrapper.IsEmpty() && scriptStateWrapper->IsExternal()) |
| return static_cast<ScriptState*>(v8::External::Cast(*scriptStateWrapper)->Value()); |
| |
| ScriptState* scriptState = new ScriptState(context); |
| innerGlobal->SetHiddenValue(V8HiddenPropertyName::scriptState(), v8::External::New(scriptState)); |
| return scriptState; |
| } |
| |
| ScriptState* ScriptState::current() |
| { |
| v8::Isolate* isolate = v8::Isolate::GetCurrent(); |
| v8::HandleScope handleScope(isolate); |
| v8::Local<v8::Context> context = isolate->GetCurrentContext(); |
| ASSERT(!context.IsEmpty()); |
| return ScriptState::forContext(context); |
| } |
| |
| void ScriptState::makeWeakCallback(v8::Isolate* isolate, v8::Persistent<v8::Context>* object, ScriptState* scriptState) |
| { |
| delete scriptState; |
| } |
| |
| bool ScriptState::evalEnabled() const |
| { |
| v8::HandleScope handleScope(m_isolate); |
| return context()->IsCodeGenerationFromStringsAllowed(); |
| } |
| |
| void ScriptState::setEvalEnabled(bool enabled) |
| { |
| v8::HandleScope handleScope(m_isolate); |
| return context()->AllowCodeGenerationFromStrings(enabled); |
| } |
| |
| ScriptState* mainWorldScriptState(Frame* frame) |
| { |
| v8::HandleScope handleScope(frame->script()->isolate()); |
| return ScriptState::forContext(frame->script()->mainWorldContext()); |
| } |
| |
| ScriptState* scriptStateFromWorkerGlobalScope(WorkerGlobalScope* workerGlobalScope) |
| { |
| WorkerScriptController* script = workerGlobalScope->script(); |
| if (!script) |
| return 0; |
| |
| v8::HandleScope handleScope(script->isolate()); |
| return ScriptState::forContext(script->context()); |
| } |
| |
| } |