15821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Copyright (c) 2012 The Chromium Authors. All rights reserved. 25821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Use of this source code is governed by a BSD-style license that can be 35821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// found in the LICENSE file. 45821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 52a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)#include "content/browser/media/media_internals_handler.h" 65821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 75821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "base/bind.h" 85821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "base/bind_helpers.h" 95821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "base/values.h" 10424c4d7b64af9d0d8fd9624f381f469654d5e3d2Torne (Richard Coles)#include "content/browser/media/media_internals_proxy.h" 115821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "content/public/browser/browser_thread.h" 12a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles)#include "content/public/browser/render_frame_host.h" 135821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "content/public/browser/web_contents.h" 145821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "content/public/browser/web_ui.h" 155821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 162a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)namespace content { 175821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 185821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)MediaInternalsMessageHandler::MediaInternalsMessageHandler() 19f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) : proxy_(new MediaInternalsProxy()), 20f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) page_load_complete_(false) {} 215821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 225821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)MediaInternalsMessageHandler::~MediaInternalsMessageHandler() { 235821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) proxy_->Detach(); 245821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 255821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 265821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void MediaInternalsMessageHandler::RegisterMessages() { 275821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI)); 285821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) proxy_->Attach(this); 295821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 305821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) web_ui()->RegisterMessageCallback("getEverything", 315821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) base::Bind(&MediaInternalsMessageHandler::OnGetEverything, 325821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) base::Unretained(this))); 335821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 345821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 35eb525c5499e34cc9c4b825d6d9e75bb07cc06aceBen Murdochvoid MediaInternalsMessageHandler::OnGetEverything( 36eb525c5499e34cc9c4b825d6d9e75bb07cc06aceBen Murdoch const base::ListValue* list) { 37f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) page_load_complete_ = true; 385821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) proxy_->GetEverything(); 395821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 405821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 41a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles)void MediaInternalsMessageHandler::OnUpdate(const base::string16& update) { 42f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) // Don't try to execute JavaScript in a RenderView that no longer exists nor 43f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) // if the chrome://media-internals page hasn't finished loading. 44a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) RenderFrameHost* host = web_ui()->GetWebContents()->GetMainFrame(); 45f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) if (host && page_load_complete_) 46a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) host->ExecuteJavaScript(update); 475821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 482a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 492a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)} // namespace content 50