1 files changed, 97 insertions, 0 deletions
diff --git a/chrome/browser/appcache/chrome_appcache_service.cc b/chrome/browser/appcache/chrome_appcache_service.cc
new file mode 100644
index 0000000..8a5160a
--- /dev/null
+++ b/chrome/browser/appcache/chrome_appcache_service.cc
@@ -0,0 +1,97 @@
+// 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/browser/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