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