123 lines
4.1 KiB
C++
123 lines
4.1 KiB
C++
/// Copyright (c) 2012 The Chromium Embedded Framework Authors.
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// Portions (c) 2011 The Chromium Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#include "libcef/renderer/render_message_filter.h"
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#include "libcef/common/cef_messages.h"
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#include "libcef/renderer/thread_util.h"
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#include "base/bind.h"
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#include "base/message_loop/message_loop.h"
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#include "chrome/common/render_messages.h"
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#include "content/common/devtools_messages.h"
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#include "content/public/browser/browser_thread.h"
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#include "content/renderer/devtools/devtools_agent.h"
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#include "third_party/WebKit/public/platform/WebString.h"
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#include "third_party/WebKit/public/web/WebSecurityPolicy.h"
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#include "url/gurl.h"
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#include "url/url_util.h"
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using content::BrowserThread;
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CefRenderMessageFilter::CefRenderMessageFilter() : channel_(NULL) {}
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CefRenderMessageFilter::~CefRenderMessageFilter() {}
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void CefRenderMessageFilter::OnFilterAdded(IPC::Channel* channel) {
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channel_ = channel;
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}
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void CefRenderMessageFilter::OnFilterRemoved() {
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channel_ = nullptr;
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}
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bool CefRenderMessageFilter::OnMessageReceived(const IPC::Message& message) {
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bool handled = true;
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// Observe the DevTools messages but don't handle them.
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if (message.type() == DevToolsAgentMsg_Attach::ID) {
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handled = false;
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} else if (message.type() == DevToolsAgentMsg_Detach::ID) {
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OnDevToolsAgentDetach(message.routing_id());
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return false;
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}
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IPC_BEGIN_MESSAGE_MAP(CefRenderMessageFilter, message)
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IPC_MESSAGE_HANDLER(DevToolsAgentMsg_Attach, OnDevToolsAgentAttach)
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IPC_MESSAGE_HANDLER(ChromeViewHostMsg_IsCrashReportingEnabled,
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OnIsCrashReportingEnabled)
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IPC_MESSAGE_UNHANDLED(handled = false)
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IPC_END_MESSAGE_MAP()
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return handled;
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}
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// Based on BrowserMessageFilter::Send.
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bool CefRenderMessageFilter::Send(IPC::Message* message) {
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if (message->is_sync()) {
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// We don't support sending synchronous messages from the browser. If we
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// really needed it, we can make this class derive from SyncMessageFilter
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// but it seems better to not allow sending synchronous messages from the
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// browser, since it might allow a corrupt/malicious renderer to hang us.
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NOTREACHED() << "Can't send sync message through CefRenderMessageFilter!";
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return false;
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}
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if (!BrowserThread::CurrentlyOn(BrowserThread::IO)) {
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BrowserThread::PostTask(
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BrowserThread::IO, FROM_HERE,
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base::Bind(base::IgnoreResult(&CefRenderMessageFilter::Send), this,
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message));
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return true;
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}
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if (channel_)
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return channel_->Send(message);
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delete message;
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return false;
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}
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void CefRenderMessageFilter::OnDevToolsAgentAttach(const std::string& host_id,
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int session_id) {
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CEF_POST_TASK_RT(
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base::Bind(&CefRenderMessageFilter::OnDevToolsAgentAttach_RT, this));
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}
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void CefRenderMessageFilter::OnDevToolsAgentDetach(int32_t routing_id) {
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CEF_POST_TASK_RT(base::Bind(&CefRenderMessageFilter::OnDevToolsAgentDetach_RT,
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this, routing_id));
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}
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void CefRenderMessageFilter::OnIsCrashReportingEnabled(bool* enabled) {
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// TODO(cef): Explore whether it's useful for CEF clients to report when crash
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// reporting is enabled.
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*enabled = false;
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}
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void CefRenderMessageFilter::OnDevToolsAgentAttach_RT() {
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CEF_REQUIRE_RT();
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CefContentRendererClient::Get()->DevToolsAgentAttached();
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}
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void CefRenderMessageFilter::OnDevToolsAgentDetach_RT(int32_t routing_id) {
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CEF_REQUIRE_RT();
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// Wait for the DevToolsAgent to detach. It would be better to receive
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// notification when the DevToolsAgent detaches but that's not currently
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// available.
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content::DevToolsAgent* agent =
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content::DevToolsAgent::FromRoutingId(routing_id);
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if (agent && agent->IsAttached()) {
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// Try again in a bit.
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CEF_POST_DELAYED_TASK_RT(
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base::Bind(&CefRenderMessageFilter::OnDevToolsAgentDetach_RT, this,
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routing_id),
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50);
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return;
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}
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CefContentRendererClient::Get()->DevToolsAgentDetached();
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}
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