Add IPC messages for ARC notification

components/arc/common/arc_notification_types.h

Index: components/arc/common/arc_notification_types.h
diff --git a/components/arc/common/arc_notification_types.h b/components/arc/common/arc_notification_types.h
new file mode 100644
index 0000000000000000000000000000000000000000..874b629d676bbebcfc059e1a13f6ba297ff169c8
--- /dev/null
+++ b/components/arc/common/arc_notification_types.h
@@ -0,0 +1,70 @@
+// Copyright 2015 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.
+
+#ifndef COMPONENTS_ARC_COMMON_ARC_NOTIFICATION_TYPES_H_
+#define COMPONENTS_ARC_COMMON_ARC_NOTIFICATION_TYPES_H_
+
+#include <string>
+#include <vector>
+
+#include "base/time/time.h"
+
+namespace arc {
+
+// These values must be matched with the NOTIFICATION_EVENT_* constants in
+// com.android.server.ArcNotificationListenerService.
+enum class ArcNotificationEvent {
+  BODY_CLICKED = 0,
+  CLOSED = 1,
+  // Five buttons at maximum (message_center::kNotificationMaximumItems = 5).
+  BUTTON1_CLICKED = 2,
+  BUTTON2_CLICKED = 3,
+  BUTTON3_CLICKED = 4,
+  BUTTON4_CLICKED = 5,
+  BUTTON5_CLICKED = 6,
+
+  // Last enum entry for IPC_ENUM_TRAITS
+  LAST = 6
+};
+
+// These values must be matched with the NOTIFICATION_TYPE_* constants in
+// com.android.server.ArcNotificationListenerService.
+enum class ArcNotificationType {
+  BASIC = 0,
+  IMAGE = 1,
+  PROGRESS = 2,
+
+  // Last enum entry for IPC_ENUM_TRAITS
+  LAST = 2
+};
+
+struct ArcNotificationData {
+  ArcNotificationData();
+  ~ArcNotificationData();
+
+  // Identifier of notification
+  std::string key;
+  // Type of notification
+  ArcNotificationType type;
+  // Body message of notification
+  std::string message;
+  // Title of notification
+  std::string title;
+  // Mimetype of |icon_data|
+  std::string icon_mimetype;
+  // Binary data of the icon
+  std::vector<uint8_t> icon_data;
+  // Priority of notification, must be [2,-2]
+  int priority;
+  // Timestamp related to the notification
+  base::Time time;
+  // The current value of progress, must be [0, progress_max].
+  int progress_current;
+  // The maximum value of progress.
+  int progress_max;
+};
+
+}  // namespace arc
+
+#endif  // COMPONENTS_ARC_COMMON_ARC_NOTIFICATION_TYPES_H_