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// 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
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