/platform/external/webkit/WebCore/bindings/v8/V8IsolatedContext.cpp
https://github.com/aharish/totoro-gb-opensource-update2 · C++ · 92 lines · 38 code · 15 blank · 39 comment · 1 complexity · 5e4323c84835a7a3fa47bf40e4ce46be MD5 · raw file
- /*
- * Copyright (C) 2009 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 "V8IsolatedContext.h"
- #include "Frame.h"
- #include "FrameLoaderClient.h"
- #include "HashMap.h"
- #include "ScriptController.h"
- #include "V8DOMWindow.h"
- #include "V8HiddenPropertyName.h"
- #include <v8.h>
- namespace WebCore {
- void V8IsolatedContext::contextWeakReferenceCallback(v8::Persistent<v8::Value> object, void* isolatedContext)
- {
- // Our context is going away. Time to clean up the world.
- V8IsolatedContext* context = static_cast<V8IsolatedContext*>(isolatedContext);
- delete context;
- }
- V8IsolatedContext::V8IsolatedContext(V8Proxy* proxy, int extensionGroup)
- : m_world(IsolatedWorld::create())
- {
- v8::HandleScope scope;
- // FIXME: We should be creating a new V8DOMWindowShell here instead of riping out the context.
- m_context = SharedPersistent<v8::Context>::create(proxy->windowShell()->createNewContext(v8::Handle<v8::Object>(), extensionGroup));
- if (m_context->get().IsEmpty())
- return;
- // Run code in the new context.
- v8::Context::Scope contextScope(m_context->get());
- getGlobalObject(m_context->get())->SetPointerInInternalField(V8DOMWindow::enteredIsolatedWorldIndex, this);
- V8DOMWindowShell::installHiddenObjectPrototype(m_context->get());
- // FIXME: This will go away once we have a windowShell for the isolated world.
- proxy->windowShell()->installDOMWindow(m_context->get(), proxy->frame()->domWindow());
- // Using the default security token means that the canAccess is always
- // called, which is slow.
- // FIXME: Use tokens where possible. This will mean keeping track of all
- // created contexts so that they can all be updated when the
- // document domain
- // changes.
- m_context->get()->UseDefaultSecurityToken();
- proxy->frame()->loader()->client()->didCreateIsolatedScriptContext();
- }
- void V8IsolatedContext::destroy()
- {
- m_context->get().MakeWeak(this, &contextWeakReferenceCallback);
- }
- V8IsolatedContext::~V8IsolatedContext()
- {
- m_context->disposeHandle();
- }
- } // namespace WebCore