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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 syntax = "proto2"; | |
6 | |
7 package cc.proto; | |
8 | |
9 import "layer.proto"; | |
10 import "layer_selection_bound.proto"; | |
11 import "size.proto"; | |
12 import "vector2df.proto"; | |
13 | |
14 option optimize_for = LITE_RUNTIME; | |
15 | |
16 message LayerTree { | |
17 optional LayerNode root_layer = 27; | |
18 optional int32 overscroll_elasticity_layer_id = 3; | |
19 optional int32 page_scale_layer_id = 4; | |
20 optional int32 inner_viewport_scroll_layer_id = 5; | |
21 optional int32 outer_viewport_scroll_layer_id = 6; | |
22 | |
23 // Browser Controls ignored. They are not supported. | |
24 | |
25 optional float device_scale_factor = 13; | |
26 optional float painted_device_scale_factor = 14; | |
27 optional float page_scale_factor = 15; | |
28 optional float min_page_scale_factor = 16; | |
29 optional float max_page_scale_factor = 17; | |
30 | |
31 // TODO(khushalsagar): gfx::ColorSpace? | |
32 | |
33 optional uint32 background_color = 21; /* SkColor */ | |
34 optional bool has_transparent_background = 22; | |
35 | |
36 optional LayerSelection selection = 29; | |
37 optional Size device_viewport_size = 18; | |
38 | |
39 // TODO(khushalsagar): Do we actually care about these? | |
40 optional bool have_scroll_event_handlers = 23; | |
41 optional uint32 touch_start_or_move_event_listener_properties = 24; | |
42 optional uint32 wheel_event_listener_properties = 25; | |
43 optional uint32 touch_end_or_cancel_event_listener_properties = 26; | |
44 } | |
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