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      1 // Copyright 2013 The Chromium Authors. All rights reserved.
      2 // Use of this source code is governed by a BSD-style license that can be
      3 // found in the LICENSE file.
      4 
      5 #include "content/shell/renderer/shell_render_view_observer.h"
      6 
      7 #include "base/command_line.h"
      8 #include "content/public/renderer/render_thread.h"
      9 #include "content/public/renderer/render_view.h"
     10 #include "content/public/renderer/render_view_observer.h"
     11 #include "content/shell/common/shell_messages.h"
     12 #include "content/shell/common/shell_switches.h"
     13 #include "content/shell/renderer/ipc_echo.h"
     14 #include "third_party/WebKit/public/web/WebTestingSupport.h"
     15 #include "third_party/WebKit/public/web/WebView.h"
     16 
     17 namespace content {
     18 
     19 ShellRenderViewObserver::ShellRenderViewObserver(RenderView* render_view)
     20     : RenderViewObserver(render_view) {
     21 }
     22 
     23 ShellRenderViewObserver::~ShellRenderViewObserver() {
     24 }
     25 
     26 void ShellRenderViewObserver::DidClearWindowObject(
     27     blink::WebLocalFrame* frame) {
     28   if (CommandLine::ForCurrentProcess()->HasSwitch(
     29           switches::kExposeInternalsForTesting)) {
     30     blink::WebTestingSupport::injectInternalsObject(frame);
     31   }
     32 
     33   if (CommandLine::ForCurrentProcess()->HasSwitch(
     34           switches::kExposeIpcEcho)) {
     35     RenderView* view = render_view();
     36     if (!ipc_echo_)
     37       ipc_echo_.reset(new IPCEcho(view->GetWebView()->mainFrame()->document(),
     38                                   RenderThread::Get(), view->GetRoutingID()));
     39     ipc_echo_->Install(view->GetWebView()->mainFrame());
     40   }
     41 }
     42 
     43 bool ShellRenderViewObserver::OnMessageReceived(const IPC::Message& message) {
     44   bool handled = true;
     45   IPC_BEGIN_MESSAGE_MAP(ShellRenderViewObserver, message)
     46     IPC_MESSAGE_HANDLER(ShellViewMsg_EchoPong, OnEchoPong)
     47     IPC_MESSAGE_UNHANDLED(handled = false)
     48   IPC_END_MESSAGE_MAP()
     49 
     50   return handled;
     51 }
     52 
     53 void ShellRenderViewObserver::OnEchoPong(int id, const std::string& body) {
     54   ipc_echo_->DidRespondEcho(id, body.size());
     55 }
     56 
     57 }  // namespace content
     58