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1 // Copyright 2017 The Chromium Authors. All rights reserved. | 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 | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #ifndef COMPONENTS_VIZ_COMMON_HIT_TEST_AGGREGATED_HIT_TEST_REGION_H_ | 5 #ifndef COMPONENTS_VIZ_COMMON_HIT_TEST_AGGREGATED_HIT_TEST_REGION_H_ |
6 #define COMPONENTS_VIZ_COMMON_HIT_TEST_AGGREGATED_HIT_TEST_REGION_H_ | 6 #define COMPONENTS_VIZ_COMMON_HIT_TEST_AGGREGATED_HIT_TEST_REGION_H_ |
7 | 7 |
8 #include <stdint.h> | 8 #include <stdint.h> |
9 | 9 |
10 #include "components/viz/common/surfaces/surface_id.h" | 10 #include "components/viz/common/surfaces/surface_id.h" |
11 #include "ui/gfx/geometry/rect.h" | 11 #include "ui/gfx/geometry/rect.h" |
12 #include "ui/gfx/transform.h" | 12 #include "ui/gfx/transform.h" |
13 | 13 |
14 namespace viz { | 14 namespace viz { |
15 | 15 |
16 // A AggregatedHitTestRegion element with child_count of kEndOfList indicates | 16 // A AggregatedHitTestRegion element with child_count of kEndOfList indicates |
17 // the last element and end of the list. | 17 // the last element and end of the list. |
18 constexpr int kEndOfList = -1; | 18 constexpr int32_t kEndOfList = -1; |
19 | 19 |
20 // An array of AggregatedHitTestRegion elements is used to define the | 20 // An array of AggregatedHitTestRegion elements is used to define the |
21 // aggregated hit-test data for the Display. | 21 // aggregated hit-test data for the Display. |
22 // | 22 // |
23 // It is designed to be in shared memory so that the viz service can | 23 // It is designed to be in shared memory so that the viz service can |
24 // write the hit_test data, and the viz host can read without | 24 // write the hit_test data, and the viz host can read without |
25 // process hops. | 25 // process hops. |
26 struct AggregatedHitTestRegion { | 26 struct AggregatedHitTestRegion { |
27 // The FrameSinkId corresponding to this region. Events that match | 27 // The FrameSinkId corresponding to this region. Events that match |
28 // are routed to this surface. | 28 // are routed to this surface. |
29 FrameSinkId frame_sink_id; | 29 FrameSinkId frame_sink_id; |
30 | 30 |
31 // Flags to indicate the type of region as defined for | 31 // Flags to indicate the type of region as defined for |
32 // mojom::HitTestRegion | 32 // mojom::HitTestRegion |
33 uint32_t flags; | 33 uint32_t flags; |
34 | 34 |
35 // The rectangle that defines the region in parent region's coordinate space. | 35 // The rectangle that defines the region in parent region's coordinate space. |
36 gfx::Rect rect; | 36 gfx::Rect rect; |
37 | 37 |
38 // The transform applied to the rect in parent region's coordinate space. | 38 // The transform applied to the rect in parent region's coordinate space. |
39 gfx::Transform transform; | 39 gfx::Transform transform; |
40 | 40 |
41 // The number of children including their children below this entry. | 41 // The number of children including their children below this entry. |
42 // If this element is not matched then child_count elements can be skipped | 42 // If this element is not matched then child_count elements can be skipped |
43 // to move to the next entry. | 43 // to move to the next entry. |
44 int child_count; | 44 int32_t child_count; |
45 }; | 45 }; |
46 | 46 |
47 } // namespace viz | 47 } // namespace viz |
48 | 48 |
49 #endif // COMPONENTS_VIZ_COMMON_HIT_TEST_AGGREGATED_HIT_TEST_REGION_H_ | 49 #endif // COMPONENTS_VIZ_COMMON_HIT_TEST_AGGREGATED_HIT_TEST_REGION_H_ |
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