V8DOMWindowShell* ScriptController::windowShell(DOMWrapperWorld* world)
{
ASSERT(world);
V8DOMWindowShell* shell = 0;
if (world->isMainWorld())
shell = m_windowShell.get();
else {
IsolatedWorldMap::iterator iter = m_isolatedWorlds.find(world->worldId());
if (iter != m_isolatedWorlds.end())
shell = iter->value.get();
else {
OwnPtr<V8DOMWindowShell> isolatedWorldShell = V8DOMWindowShell::create(m_frame, world, m_isolate);
shell = isolatedWorldShell.get();
m_isolatedWorlds.set(world->worldId(), isolatedWorldShell.release());
}
}
if (!shell->isContextInitialized() && shell->initializeIfNeeded()) {
if (world->isMainWorld()) {
// FIXME: Remove this if clause. See comment with existingWindowShellWorkaroundWorld().
m_frame->loader()->dispatchDidClearWindowObjectInWorld(existingWindowShellWorkaroundWorld());
} else
m_frame->loader()->dispatchDidClearWindowObjectInWorld(world);
}
return shell;
}
void ScriptController::evaluateInIsolatedWorld(int worldID, const Vector<ScriptSourceCode>& sources, int extensionGroup, Vector<ScriptValue>* results)
{
ASSERT(worldID > 0);
v8::HandleScope handleScope;
v8::Local<v8::Array> v8Results;
{
v8::HandleScope evaluateHandleScope;
RefPtr<DOMWrapperWorld> world = DOMWrapperWorld::ensureIsolatedWorld(worldID, extensionGroup);
V8DOMWindowShell* isolatedWorldShell = windowShell(world.get());
if (!isolatedWorldShell->isContextInitialized())
return;
v8::Local<v8::Context> context = isolatedWorldShell->context();
v8::Context::Scope contextScope(context);
v8::Local<v8::Array> resultArray = v8::Array::New(sources.size());
for (size_t i = 0; i < sources.size(); ++i) {
v8::Local<v8::Value> evaluationResult = compileAndRunScript(sources[i]);
if (evaluationResult.IsEmpty())
evaluationResult = v8::Local<v8::Value>::New(v8::Undefined());
resultArray->Set(i, evaluationResult);
}
v8Results = evaluateHandleScope.Close(resultArray);
}
if (results && !v8Results.IsEmpty()) {
for (size_t i = 0; i < v8Results->Length(); ++i)
results->append(ScriptValue(v8Results->Get(i)));
}
}
void ScriptController::evaluateInIsolatedWorld(int worldID, const Vector<ScriptSourceCode>& sources, int extensionGroup, Vector<ScriptValue>* results)
{
// Except in the test runner, worldID should be non 0 as it conflicts with the mainWorldId.
// FIXME: Change the test runner to perform this swap and make this an ASSERT.
if (UNLIKELY(!worldID))
worldID = DOMWrapperWorld::uninitializedWorldId;
v8::HandleScope handleScope;
v8::Local<v8::Array> v8Results;
{
v8::HandleScope evaluateHandleScope;
RefPtr<DOMWrapperWorld> world = DOMWrapperWorld::ensureIsolatedWorld(worldID, extensionGroup);
V8DOMWindowShell* isolatedWorldShell = windowShell(world.get());
if (!isolatedWorldShell->isContextInitialized())
return;
v8::Local<v8::Context> context = v8::Local<v8::Context>::New(isolatedWorldShell->context());
v8::Context::Scope contextScope(context);
v8::Local<v8::Array> resultArray = v8::Array::New(sources.size());
for (size_t i = 0; i < sources.size(); ++i) {
v8::Local<v8::Value> evaluationResult = compileAndRunScript(sources[i]);
if (evaluationResult.IsEmpty())
evaluationResult = v8::Local<v8::Value>::New(v8::Undefined());
resultArray->Set(i, evaluationResult);
}
// Mark temporary shell for weak destruction.
if (worldID == DOMWrapperWorld::uninitializedWorldId) {
isolatedWorldShell->destroyIsolatedShell();
m_isolatedWorlds.remove(world->worldId());
}
v8Results = evaluateHandleScope.Close(resultArray);
}
if (results && !v8Results.IsEmpty()) {
for (size_t i = 0; i < v8Results->Length(); ++i)
results->append(ScriptValue(v8Results->Get(i)));
}
}