| // Copyright (c) 2012 The Chromium 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 "content/browser/media/media_internals_handler.h" |
| |
| #include "base/bind.h" |
| #include "base/bind_helpers.h" |
| #include "base/values.h" |
| #include "content/browser//media/media_internals_proxy.h" |
| #include "content/public/browser/browser_thread.h" |
| #include "content/public/browser/render_view_host.h" |
| #include "content/public/browser/web_contents.h" |
| #include "content/public/browser/web_ui.h" |
| |
| namespace content { |
| |
| MediaInternalsMessageHandler::MediaInternalsMessageHandler() |
| : proxy_(new MediaInternalsProxy()) {} |
| |
| MediaInternalsMessageHandler::~MediaInternalsMessageHandler() { |
| proxy_->Detach(); |
| } |
| |
| void MediaInternalsMessageHandler::RegisterMessages() { |
| DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI)); |
| proxy_->Attach(this); |
| |
| web_ui()->RegisterMessageCallback("getEverything", |
| base::Bind(&MediaInternalsMessageHandler::OnGetEverything, |
| base::Unretained(this))); |
| } |
| |
| void MediaInternalsMessageHandler::OnGetEverything( |
| const base::ListValue* list) { |
| proxy_->GetEverything(); |
| } |
| |
| void MediaInternalsMessageHandler::OnUpdate(const string16& update) { |
| // Don't try to execute JavaScript in a RenderView that no longer exists. |
| RenderViewHost* host = web_ui()->GetWebContents()->GetRenderViewHost(); |
| if (host) |
| host->ExecuteJavascriptInWebFrame(string16(), update); |
| } |
| |
| } // namespace content |