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// Copyright 2013 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 "chrome/browser/media_galleries/fileapi/safe_itunes_pref_parser_win.h"
#include "chrome/common/extensions/chrome_utility_extensions_messages.h"
#include "content/public/browser/browser_thread.h"
#include "content/public/browser/utility_process_host.h"
using content::BrowserThread;
using content::UtilityProcessHost;
namespace itunes {
SafeITunesPrefParserWin::SafeITunesPrefParserWin(
const std::string& unsafe_xml,
const ParserCallback& callback)
: unsafe_xml_(unsafe_xml),
callback_(callback),
parser_state_(INITIAL_STATE) {
DCHECK_CURRENTLY_ON(BrowserThread::FILE);
DCHECK(!callback_.is_null());
}
void SafeITunesPrefParserWin::Start() {
DCHECK_CURRENTLY_ON(BrowserThread::FILE);
BrowserThread::PostTask(
BrowserThread::IO,
FROM_HERE,
base::Bind(&SafeITunesPrefParserWin::StartWorkOnIOThread, this));
}
SafeITunesPrefParserWin::~SafeITunesPrefParserWin() {
}
void SafeITunesPrefParserWin::StartWorkOnIOThread() {
DCHECK_CURRENTLY_ON(BrowserThread::IO);
DCHECK_EQ(INITIAL_STATE, parser_state_);
UtilityProcessHost* host =
UtilityProcessHost::Create(this, base::MessageLoopProxy::current());
host->Send(new ChromeUtilityMsg_ParseITunesPrefXml(unsafe_xml_));
parser_state_ = STARTED_PARSING_STATE;
}
void SafeITunesPrefParserWin::OnGotITunesDirectory(
const base::FilePath& library_file) {
DCHECK_CURRENTLY_ON(BrowserThread::IO);
if (parser_state_ != STARTED_PARSING_STATE)
return;
BrowserThread::PostTask(BrowserThread::FILE, FROM_HERE,
base::Bind(callback_, library_file));
parser_state_ = FINISHED_PARSING_STATE;
}
void SafeITunesPrefParserWin::OnProcessCrashed(int exit_code) {
OnGotITunesDirectory(base::FilePath());
}
bool SafeITunesPrefParserWin::OnMessageReceived(
const IPC::Message& message) {
bool handled = true;
IPC_BEGIN_MESSAGE_MAP(SafeITunesPrefParserWin, message)
IPC_MESSAGE_HANDLER(ChromeUtilityHostMsg_GotITunesDirectory,
OnGotITunesDirectory)
IPC_MESSAGE_UNHANDLED(handled = false)
IPC_END_MESSAGE_MAP()
return handled;
}
} // namespace itunes
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