Continue removing bad dependency of chrome/common on chrome/browser...

chrome/common/appcache/chrome_appcache_service.cc

-// 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 "net/base/net_errors.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);
-  set_appcache_policy(this);
-}
-
-ChromeAppCacheService::~ChromeAppCacheService() {
-  DCHECK(ChromeThread::CurrentlyOn(ChromeThread::IO));
-}
-
-// static
-void ChromeAppCacheService::ClearLocalState(const FilePath& profile_path) {
-  file_util::Delete(profile_path.Append(chrome::kAppCacheDirname), true);
-}
-
-bool ChromeAppCacheService::CanLoadAppCache(const GURL& manifest_url) {
-  ContentSetting setting = host_contents_settings_map_->GetContentSetting(
-      manifest_url, CONTENT_SETTINGS_TYPE_COOKIES);
-  DCHECK(setting != CONTENT_SETTING_DEFAULT);
-  return setting == CONTENT_SETTING_ALLOW ||
-         setting == CONTENT_SETTING_ASK;  // we don't prompt for read access
-}
-
-int ChromeAppCacheService::CanCreateAppCache(
-    const GURL& manifest_url, net::CompletionCallback* callback) {
-  ContentSetting setting = host_contents_settings_map_->GetContentSetting(
-      manifest_url, CONTENT_SETTINGS_TYPE_COOKIES);
-  DCHECK(setting != CONTENT_SETTING_DEFAULT);
-  if (setting == CONTENT_SETTING_ASK) {
-    // TODO(michaeln): prompt the user, for now we block
-    setting = CONTENT_SETTING_BLOCK;
-  }
-  return (setting != CONTENT_SETTING_BLOCK) ? net::OK : net::ERR_ACCESS_DENIED;
-}
-
-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