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      1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
      2 // Use of this source code is governed by a BSD-style license that can be
      3 // found in the LICENSE file.
      4 //
      5 // Protocol for control messages.
      6 
      7 syntax = "proto2";
      8 
      9 option optimize_for = LITE_RUNTIME;
     10 
     11 package remoting.protocol;
     12 
     13 message ClientResolution {
     14   // Legacy width and height of the client in Density-Independent Pixels
     15   optional int32 dips_width = 1;
     16   optional int32 dips_height = 2;
     17 
     18   // Width and height of the client in device pixels.
     19   optional int32 width = 3;
     20   optional int32 height = 4;
     21 
     22   // Horizontal and vertical DPI of the screen. If either of these is zero or
     23   // unset, the corresponding DPI should be assumed to be 96 (Windows' default)
     24   optional int32 x_dpi = 5;
     25   optional int32 y_dpi = 6;
     26 }
     27 
     28 message VideoControl {
     29   // Enables the video channel if true, pauses if false.
     30   optional bool enable = 1;
     31 }
     32 
     33 message AudioControl {
     34   // Enables the audio channel if true, pauses if false.
     35   optional bool enable = 1;
     36 }
     37 
     38 message CursorShapeInfo {
     39   // Width, height (in screen pixels) of the cursor.
     40   optional int32 width = 1;
     41   optional int32 height = 2;
     42 
     43   // X,Y coordinates (relative to upper-left corner) of the cursor hotspot.
     44   optional int32 hotspot_x = 3;
     45   optional int32 hotspot_y = 4;
     46 
     47   // Cursor pixmap data in 32-bit BGRA format.
     48   optional bytes data = 5;
     49 }
     50 
     51 message Capabilities {
     52   // List of capabilities supported by the sender (case sensitive, capabilities
     53   // are separated by spaces).
     54   optional string capabilities = 1;
     55 }
     56 
     57 message PairingRequest {
     58   // Human-readable name of the client.
     59   optional string client_name = 1;
     60 }
     61 
     62 message PairingResponse {
     63   // Unique identifier for this client.
     64   optional string client_id = 1;
     65 
     66   // Shared secret for this client.
     67   optional string shared_secret = 2;
     68 }
     69 
     70 message ExtensionMessage {
     71   // The message type. This is used to dispatch the message to the correct
     72   // recipient.
     73   optional string type = 1;
     74 
     75   // String-encoded message data. The client and host must agree on the encoding
     76   // for each message type; different message types need not shared the same
     77   // encoding.
     78   optional string data = 2;
     79 }