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// Copyright (c) 2010 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/common/appcache/chrome_appcache_service.h"
#include "base/file_path.h"
#include "base/file_util.h"
#include "chrome/browser/chrome_thread.h"
#include "chrome/browser/net/chrome_url_request_context.h"
#include "chrome/common/chrome_constants.h"
#include "chrome/common/notification_service.h"
#include "webkit/appcache/appcache_thread.h"
static bool has_initialized_thread_ids;
ChromeAppCacheService::ChromeAppCacheService(
const FilePath& profile_path,
ChromeURLRequestContext* request_context) {
DCHECK(ChromeThread::CurrentlyOn(ChromeThread::IO));
DCHECK(request_context);
if (!has_initialized_thread_ids) {
has_initialized_thread_ids = true;
appcache::AppCacheThread::InitIDs(ChromeThread::DB, ChromeThread::IO);
}
host_contents_settings_map_ = request_context->host_content_settings_map();
registrar_.Add(
this, NotificationType::PURGE_MEMORY, NotificationService::AllSources());
// Init our base class.
Initialize(request_context->is_off_the_record() ?
FilePath() : profile_path.Append(chrome::kAppCacheDirname));
set_request_context(request_context);
}
ChromeAppCacheService::~ChromeAppCacheService() {
DCHECK(ChromeThread::CurrentlyOn(ChromeThread::IO));
}
// static
void ChromeAppCacheService::ClearLocalState(const FilePath& profile_path) {
file_util::Delete(profile_path.Append(chrome::kAppCacheDirname), true);
}
void ChromeAppCacheService::Observe(NotificationType type,
const NotificationSource& source,
const NotificationDetails& details) {
DCHECK(type == NotificationType::PURGE_MEMORY);
PurgeMemory();
}
static ChromeThread::ID ToChromeThreadID(int id) {
DCHECK(has_initialized_thread_ids);
DCHECK(id == ChromeThread::DB || id == ChromeThread::IO);
return static_cast<ChromeThread::ID>(id);
}
namespace appcache {
// An impl of AppCacheThread we need to provide to the appcache lib.
bool AppCacheThread::PostTask(
int id,
const tracked_objects::Location& from_here,
Task* task) {
return ChromeThread::PostTask(ToChromeThreadID(id), from_here, task);
}
bool AppCacheThread::CurrentlyOn(int id) {
return ChromeThread::CurrentlyOn(ToChromeThreadID(id));
}
} // namespace appcache
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