arc: Support more types of notifications.

components/arc/common/notifications.mojom

 // 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.
 
 module arc;
 
 // These values must be matched with the NOTIFICATION_EVENT_* constants in
 // com.android.server.ArcNotificationListenerService.
 enum ArcNotificationEvent {
   BODY_CLICKED = 0,
   CLOSED = 1,
   // Five buttons at maximum (message_center::kNotificationMaximumItems = 5).
   BUTTON_1_CLICKED = 2,
   BUTTON_2_CLICKED = 3,
   BUTTON_3_CLICKED = 4,
   BUTTON_4_CLICKED = 5,
   BUTTON_5_CLICKED = 6,
   MAX = BUTTON_5_CLICKED
 };
 
 // These values must be matched with the NOTIFICATION_TYPE_* constants in
 // com.android.server.ArcNotificationListenerService.
 enum ArcNotificationType {
   BASIC = 0,
   IMAGE = 1,
   PROGRESS = 2,
-  MAX = PROGRESS
+  LIST = 3,
+  MAX = LIST

[dcheng, 2016/04/13 23:55:20]

I don't think MAX serves a purpose in mojo

[yoshiki, 2016/04/15 00:32:34]

Done.

 };
 
 struct ArcNotificationButton {
   // Title
   string label;
 };
 
 struct ArcNotificationData {
   // Identifier of notification
   string key;
@@ skipping 16 matching lines @@
   // The maximum value of progress.
   int32 progress_max;
   // Action buttons
   array<ArcNotificationButton> buttons;
   // Flag if the notification has FLAG_NO_CLEAR.
   [MinVersion=1]
   bool no_clear;
   // Flag if the notification has FLAG_ONGOING_EVENT.
   [MinVersion=1]
   bool ongoing_event;
+  // Subtexts for list notifications.
+  [MinVersion=3]
+  array<string>? texts;
+  // Image for image notifications.
+  [MinVersion=3]
+  ArcNotificationBitmap? big_picture;
 };
 
 [MinVersion=2]
 struct ArcToastData {
   // Unique identifier
   string id;
   // Toast text.
   string text;
   // Toast duration in milliseconds.
   int32 duration;
 };
 
+[MinVersion=3]
+struct ArcNotificationBitmap {
+  uint32 width;
+  uint32 height;
+  array<uint8> pixel_data;
+};
+
 interface NotificationsHost {
   // Tells the Chrome that a notification is posted (created or updated) on
   // Android.
   // |notification_data| is the data of notification (id, texts, icon and ...).
   OnNotificationPosted@0(ArcNotificationData notification_data);
 
   // Notifies that a notification is removed on Android.
   // |key| is the identifier of the notification.
   OnNotificationRemoved@1(string key);
 
   [MinVersion=2]
   // Shows a toast, or queues it if another toast is visible.
   OnToastPosted@2(ArcToastData data);
 
   [MinVersion=2]
   // Hides the visible toast immediately, or cancels the scheduled one.
   OnToastCancelled@3(ArcToastData data);
 };
 
 // TODO(lhchavez): Migrate all request/response messages to Mojo.
 interface NotificationsInstance {
   // Establishes full-duplex communication with the host.
   Init(NotificationsHost host_ptr);
 
   // Sends an event from Chrome notification UI to Android.
   // |event| is a type of occured event.
   SendNotificationEventToAndroid(string key, ArcNotificationEvent event);
 };