V8IsolatedContext.cpp [plain text]
#include "config.h"
#include "V8IsolatedContext.h"
#include "Frame.h"
#include "FrameLoaderClient.h"
#include "SecurityOrigin.h"
#include "V8BindingPerContextData.h"
#include "V8DOMWindow.h"
#include "V8Proxy.h"
#include <wtf/StringExtras.h>
namespace WebCore {
V8IsolatedContext* V8IsolatedContext::isolatedContext()
{
return reinterpret_cast<V8IsolatedContext*>(getGlobalObject(v8::Context::GetEntered())->GetPointerFromInternalField(V8DOMWindow::enteredIsolatedWorldIndex));
}
void V8IsolatedContext::contextWeakReferenceCallback(v8::Persistent<v8::Value> object, void* isolatedContext)
{
V8IsolatedContext* context = static_cast<V8IsolatedContext*>(isolatedContext);
delete context;
}
static void setInjectedScriptContextDebugId(v8::Handle<v8::Context> targetContext, int debugId)
{
char buffer[32];
if (debugId == -1)
snprintf(buffer, sizeof(buffer), "injected");
else
snprintf(buffer, sizeof(buffer), "injected,%d", debugId);
targetContext->SetData(v8::String::New(buffer));
}
V8IsolatedContext::V8IsolatedContext(V8Proxy* proxy, int extensionGroup, int worldId)
: m_world(IsolatedWorld::create(worldId)),
m_frame(proxy->frame())
{
v8::HandleScope scope;
v8::Handle<v8::Context> mainWorldContext = proxy->windowShell()->context();
if (mainWorldContext.IsEmpty())
return;
m_context = SharedPersistent<v8::Context>::create(proxy->windowShell()->createNewContext(v8::Handle<v8::Object>(), extensionGroup, m_world->id()));
if (m_context->get().IsEmpty())
return;
v8::Context::Scope contextScope(m_context->get());
setInjectedScriptContextDebugId(m_context->get(), proxy->contextDebugId(mainWorldContext));
getGlobalObject(m_context->get())->SetPointerInInternalField(V8DOMWindow::enteredIsolatedWorldIndex, this);
m_perContextData = V8BindingPerContextData::create(m_context->get());
m_perContextData->init();
proxy->windowShell()->installDOMWindow(m_context->get(), m_frame->domWindow());
m_context->get()->UseDefaultSecurityToken();
m_frame->loader()->client()->didCreateScriptContext(context(), extensionGroup, m_world->id());
}
void V8IsolatedContext::destroy()
{
m_frame->loader()->client()->willReleaseScriptContext(context(), m_world->id());
m_context->get().MakeWeak(this, &contextWeakReferenceCallback);
m_frame = 0;
}
V8IsolatedContext::~V8IsolatedContext()
{
m_context->disposeHandle();
}
void V8IsolatedContext::setSecurityOrigin(PassRefPtr<SecurityOrigin> securityOrigin)
{
m_securityOrigin = securityOrigin;
}
}