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1 // Copyright 2017 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 #ifndef COMPONENTS_VIZ_HOST_HIT_TEST_HIT_TEST_QUERY_H_ | |
6 #define COMPONENTS_VIZ_HOST_HIT_TEST_HIT_TEST_QUERY_H_ | |
7 | |
8 #include <vector> | |
9 | |
10 #include "base/macros.h" | |
11 #include "components/viz/common/hit_test/display_hit_test_data.h" | |
12 #include "ui/gfx/geometry/point.h" | |
13 | |
14 namespace viz { | |
15 namespace hit_test { | |
16 | |
17 struct Target { | |
18 cc::FrameSinkId id; | |
varkha
2017/06/26 19:25:30
nit: whitespace after.
riajiang
2017/06/27 15:51:45
Hmm I tried adding whitespace but git cl format wo
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19 // |location_in_target| is in the coordinate system of the target FrameSinkId. | |
varkha
2017/06/26 19:25:30
nit: maybe just "Coordinates in the coordinate sys
riajiang
2017/06/27 15:51:45
Done.
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20 gfx::Point location_in_target; | |
varkha
2017/06/26 19:25:30
nit: whitespace after.
sadrul
2017/06/27 03:37:54
Might make sense to make this a gfx::PointF.
riajiang
2017/06/27 15:51:45
Transform::TransformPoint only supports Point and
| |
21 // Different flags are defined in services/viz/public/interfaces/ | |
22 // hit_test_data.mojom. | |
varkha
2017/06/26 19:25:30
Is this in services/viz/hit_test/public/interfaces
riajiang
2017/06/27 15:51:45
Yes, it's in that CL.
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23 uint32_t flags; | |
24 }; | |
25 | |
26 // Finds the target for a given location based on DisplayHitTestData aggreated | |
sadrul
2017/06/27 03:37:55
*aggregated
riajiang
2017/06/27 15:51:45
Done.
| |
27 // by HitTestComponent. | |
28 // TODO(riajiang): Handle 3d space cases correctly. | |
29 class HitTestQuery { | |
30 public: | |
31 HitTestQuery(); | |
32 ~HitTestQuery(); | |
33 | |
34 // TODO(riajiang): Read from shmem directly once it's set up and delete this | |
35 // function. For now, use fake data. | |
36 void set_display_hit_test_data_list( | |
37 DisplayHitTestData display_hit_test_data_list) { | |
38 display_hit_test_data_list_ = std::move(display_hit_test_data_list); | |
39 } | |
40 | |
41 // Find Target for |location_in_root|, including the FrameSinkId of the | |
varkha
2017/06/26 19:25:30
nit: Finds
riajiang
2017/06/27 15:51:45
Done.
| |
42 // target, updated location in the coordinate system of the target and | |
43 // hit-test flags for the target. | |
44 Target FindTargetForLocation(const gfx::Point& location_in_root); | |
45 | |
46 private: | |
47 // Helper function to find |target| for |location_in_region| in the |region|, | |
48 // returns true if a target is found and false otherwise. | |
49 bool FindTargetForLocationInRegion(const gfx::Point& location_in_region, | |
50 DisplayHitTestDataRegion* region, | |
51 Target* target); | |
sadrul
2017/06/27 03:37:55
Should this be a const method?
riajiang
2017/06/27 15:51:45
Done.
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52 | |
53 DisplayHitTestData display_hit_test_data_list_; | |
54 | |
55 DISALLOW_COPY_AND_ASSIGN(HitTestQuery); | |
56 }; | |
57 | |
58 } // namespace hit_test | |
59 } // namespace viz | |
60 | |
61 #endif // COMPONENTS_VIZ_HOST_HIT_TEST_HIT_TEST_QUERY_H_ | |
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