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| 1 // Copyright 2015 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 // Message definitions for the input subprotocol. | |
| 6 // | |
| 7 // The InputMessage protobuf generally carries web gesture events. Currently we | |
| 8 // just serialize the blink::WebGestureEvent POD struct. | |
| 9 | |
| 10 syntax = "proto2"; | |
| 11 | |
| 12 option optimize_for = LITE_RUNTIME; | |
| 13 | |
| 14 package blimp; | |
| 15 | |
| 16 message GestureCommon { | |
| 17 optional int64 x = 1; | |
| 18 optional int64 y = 2; | |
| 19 optional int64 global_x = 3; | |
| 20 optional int64 global_y = 4; | |
| 21 } | |
| 22 | |
| 23 message GestureScrollBegin { | |
| 24 optional float delta_x_hint = 1; | |
| 25 optional float delta_y_hint = 2; | |
| 26 optional bool target_viewport = 3; | |
| 27 } | |
| 28 | |
| 29 message GestureScrollUpdate { | |
| 30 optional float delta_x = 1; | |
| 31 optional float delta_y = 2; | |
| 32 optional float velocity_x = 3; | |
| 33 optional float velocity_y = 4; | |
| 34 optional bool previous_update_in_sequence_prevented = 5; | |
| 35 optional bool prevent_propagation = 6; | |
| 36 optional bool inertial = 7; | |
| 37 } | |
| 38 | |
| 39 message GestureFlingStart { | |
| 40 optional float velocity_x = 1; | |
| 41 optional float velocity_y = 2; | |
| 42 optional bool target_viewport = 3; | |
| 43 } | |
| 44 | |
| 45 message GestureFlingCancel { | |
| 46 optional bool prevent_boosting = 1; | |
| 47 } | |
| 48 | |
| 49 message GestureTap { | |
| 50 optional int32 tap_count = 1; | |
| 51 optional float width = 2; | |
| 52 optional float height = 3; | |
| 53 } | |
| 54 | |
| 55 message GesturePinchUpdate { | |
| 56 optional bool zoom_disabled = 1; | |
| 57 optional float scale = 2; | |
| 58 } | |
| 59 | |
| 60 message GestureTapDown { | |
| 61 optional float width = 1; | |
| 62 optional float height = 2; | |
| 63 } | |
| 64 | |
| 65 message GestureShowPress { | |
| 66 optional float width = 1; | |
| 67 optional float height = 2; | |
| 68 } | |
| 69 | |
| 70 message InputMessage { | |
| 71 enum Type { | |
| 72 UNKNOWN = 0; | |
| 73 | |
| 74 // This is a subset of WebGestureType events. We only support a small set | |
| 75 // of these with the existing protocol. | |
| 76 // TODO(dtrainor): Modify these enum values to be consistent with the rest | |
| 77 // of BlimpMessage subtype enums. | |
| 78 Type_GestureScrollBegin = 1; | |
| 79 Type_GestureScrollEnd = 2; | |
| 80 Type_GestureScrollUpdate = 3; | |
| 81 Type_GestureFlingStart = 4; | |
| 82 Type_GestureFlingCancel = 5; | |
| 83 Type_GestureTap = 6; | |
| 84 Type_GesturePinchBegin = 7; | |
| 85 Type_GesturePinchEnd = 8; | |
| 86 Type_GesturePinchUpdate = 9; | |
| 87 Type_GestureTapDown = 10; | |
| 88 Type_GestureTapCancel = 11; | |
| 89 Type_GestureTapUnconfirmed = 12; | |
| 90 Type_GestureShowPress = 13; | |
| 91 } | |
| 92 | |
| 93 optional Type type = 1; | |
| 94 | |
| 95 // An ID that corresponds to RenderWidgetMessage.render_widget_id. | |
| 96 optional int32 render_widget_id = 2; | |
| 97 | |
| 98 // Seconds since client platform start (boot) with millisecond resolution. | |
| 99 // On Android, this is based off of the client's SystemClock#uptimeMillis(). | |
| 100 optional double timestamp_seconds = 3; | |
| 101 | |
| 102 optional GestureCommon gesture_common = 4; | |
| 103 | |
| 104 // Input event specific messages follow. | |
| 105 // Only one of these fields may be set per InputMessage. | |
| 106 // TODO(dtrainor): use a 'oneof' union when it's supported in Chromium. See | |
| 107 // crbug.com/570371. | |
| 108 optional GestureScrollBegin gesture_scroll_begin = 5; | |
| 109 optional GestureScrollUpdate gesture_scroll_update = 6; | |
| 110 optional GestureFlingStart gesture_fling_start = 7; | |
| 111 optional GestureFlingCancel gesture_fling_cancel = 8; | |
| 112 optional GestureTap gesture_tap = 9; | |
| 113 optional GesturePinchUpdate gesture_pinch_update = 10; | |
| 114 optional GestureTapDown gesture_tap_down = 11; | |
| 115 optional GestureShowPress gesture_show_press = 12; | |
| 116 } | |
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