Synced Notification Sync Change Processor

chrome/browser/notifier/synced_notification.h

+// 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.
+
+// This class represents the data for a single Synced Notification.
+// It should map 1-1 to all the data in synced_notification_sepcifics.proto,
+// and the data and render protobufs that the specifics protobuf contains.
+
+#ifndef CHROME_BROWSER_NOTIFIER_SYNCED_NOTIFICATION_H_
+#define CHROME_BROWSER_NOTIFIER_SYNCED_NOTIFICATION_H_
+
+#include <string>
+
+#include "googleurl/src/gurl.h"
+#include "sync/api/sync_data.h"
+
+
+namespace sync_pb {
+enum CoalescedSyncedNotification_ReadState;
+class SyncedNotificationSpecifics;
+}  // namespace sync_pb
+
+namespace notifier {
+
+class SyncedNotification {
+ public:
+  explicit SyncedNotification(const syncer::SyncData& sync_data);
+
+  ~SyncedNotification();
+
+  // Here are some helper functions to get individual data parts out of a
+  // SyncedNotification.
+  const std::string& title() const { return title_; }
+  const std::string& app_id() const { return app_id_; }
+  const std::string& coalescing_key() const { return coalescing_key_; }
+  const GURL& origin_url() const { return origin_url_; }
+  const GURL& icon_url() const { return icon_url_; }
+  const GURL& image_url() const { return image_url_; }
+  const std::string& first_external_id() const { return first_external_id_; }
+  const std::string& notification_id() const { return notification_id_; }
+  const std::string& body() const { return body_; }
+
+  bool Equals(const SyncedNotification& other) const;
+
+  void set_has_local_changes(bool has_local_changes) {
+    has_local_changes_ = has_local_changes;
+  }
+
+  bool has_local_changes() const {
+    return has_local_changes_;
+  }
+
+  const syncer::SyncData* sync_data() const {
+    return &sync_data_;
+  }
+
+  void NotificationHasBeenRead();
+
+  void NotificationHasBeenDeleted();
+
+  // This gets a pointer to the SyncedNotificationSpecifics part
+  // of the sync data.  This is owned by the SyncedNotification class
+  // (actually refcounted, so it is jointly owned with sync).
+  // Don't free this pointer!
+  const sync_pb::SyncedNotificationSpecifics* GetSyncedNotificationSpecifics();
+
+ private:
+  // Helper function to mark a notification as read or dismissed.
+  bool SetReadState(
+      const sync_pb::CoalescedSyncedNotification_ReadState& read_state);
+
+  // Parsing functions to get this information out of the sync_data and into
+  // our local variables.
+  std::string ExtractTitle(const syncer::SyncData& sync_data) const;
+  std::string ExtractAppId(const syncer::SyncData& sync_data) const;
+  std::string ExtractCoalescingKey(const syncer::SyncData& sync_data) const;
+  GURL ExtractOriginUrl(const syncer::SyncData& sync_data) const;
+  GURL ExtractIconUrl(const syncer::SyncData& sync_data) const;
+  GURL ExtractImageUrl(const syncer::SyncData& sync_data) const;
+  std::string ExtractFirstExternalId(const syncer::SyncData& sync_data) const;
+  std::string ExtractNotificationId(const syncer::SyncData& sync_data) const;
+  std::string ExtractBody(const syncer::SyncData& sync_data) const;
+
+  // Set this to true if we make any changes to the client data.
+  bool has_local_changes_;
+
+  // We need to hold onto the sync data object because GetAllSyncData
+  // may ask for it back.
+  syncer::SyncData sync_data_;
+
+  // TODO(petewil): this list is not all inclusive, add the remaining fields.
+  const std::string title_;
+  const std::string app_id_;
+  const std::string coalescing_key_;
+  const std::string first_external_id_;
+  const std::string notification_id_;
+  const std::string body_;
+  const GURL origin_url_;
+  const GURL icon_url_;
+  const GURL image_url_;
+
+  DISALLOW_COPY_AND_ASSIGN(SyncedNotification);
+};
+
+}  // namespace notifier
+
+#endif  // CHROME_BROWSER_NOTIFIER_SYNCED_NOTIFICATION_H_