cef/libcef/renderer/render_frame_observer.cc

111 lines
3.4 KiB
C++

// Copyright 2014 The Chromium Embedded Framework Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be found
// in the LICENSE file.
#include "base/compiler_specific.h"
MSVC_PUSH_WARNING_LEVEL(0);
#include "platform/ScriptForbiddenScope.h"
MSVC_POP_WARNING();
// Enable deprecation warnings for MSVC. See http://crbug.com/585142.
#if defined(OS_WIN)
#pragma warning(push)
#pragma warning(default:4996)
#endif
#include "libcef/renderer/render_frame_observer.h"
#include "libcef/common/content_client.h"
#include "libcef/renderer/content_renderer_client.h"
#include "libcef/renderer/v8_impl.h"
#include "content/public/renderer/render_frame.h"
#include "third_party/WebKit/public/web/WebLocalFrame.h"
#include "third_party/WebKit/public/web/WebKit.h"
CefRenderFrameObserver::CefRenderFrameObserver(
content::RenderFrame* render_frame)
: content::RenderFrameObserver(render_frame) {
}
CefRenderFrameObserver::~CefRenderFrameObserver() {
}
void CefRenderFrameObserver::DidCreateScriptContext(
v8::Handle<v8::Context> context,
int extension_group,
int world_id) {
blink::WebLocalFrame* frame = render_frame()->GetWebFrame();
CefRefPtr<CefBrowserImpl> browserPtr =
CefBrowserImpl::GetBrowserForMainFrame(frame->top());
if (!browserPtr.get())
return;
CefRefPtr<CefRenderProcessHandler> handler;
CefRefPtr<CefApp> application = CefContentClient::Get()->application();
if (application.get())
handler = application->GetRenderProcessHandler();
if (!handler.get())
return;
CefRefPtr<CefFrameImpl> framePtr = browserPtr->GetWebFrameImpl(frame);
v8::Isolate* isolate = blink::mainThreadIsolate();
v8::HandleScope handle_scope(isolate);
v8::Context::Scope scope(context);
v8::MicrotasksScope microtasks_scope(isolate,
v8::MicrotasksScope::kRunMicrotasks);
CefRefPtr<CefV8Context> contextPtr(new CefV8ContextImpl(isolate, context));
handler->OnContextCreated(browserPtr.get(), framePtr.get(), contextPtr);
}
void CefRenderFrameObserver::WillReleaseScriptContext(
v8::Handle<v8::Context> context,
int world_id) {
blink::WebLocalFrame* frame = render_frame()->GetWebFrame();
CefRefPtr<CefBrowserImpl> browserPtr =
CefBrowserImpl::GetBrowserForMainFrame(frame->top());
if (browserPtr.get()) {
CefRefPtr<CefApp> application = CefContentClient::Get()->application();
if (application.get()) {
CefRefPtr<CefRenderProcessHandler> handler =
application->GetRenderProcessHandler();
if (handler.get()) {
CefRefPtr<CefFrameImpl> framePtr = browserPtr->GetWebFrameImpl(frame);
v8::Isolate* isolate = blink::mainThreadIsolate();
v8::HandleScope handle_scope(isolate);
// The released context should not be used for script execution.
// Depending on how the context is released this may or may not already
// be set.
blink::ScriptForbiddenScope forbidScript;
CefRefPtr<CefV8Context> contextPtr(
new CefV8ContextImpl(isolate, context));
handler->OnContextReleased(browserPtr.get(), framePtr.get(),
contextPtr);
}
}
}
CefV8ReleaseContext(context);
}
void CefRenderFrameObserver::OnDestruct() {
delete this;
}
// Enable deprecation warnings for MSVC. See http://crbug.com/585142.
#if defined(OS_WIN)
#pragma warning(pop)
#endif