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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 module viz.hit_test.mojom; |
| 6 |
| 7 import "cc/ipc/surface_id.mojom"; |
| 8 import "ui/gfx/geometry/mojo/geometry.mojom"; |
| 9 import "ui/gfx/mojo/transform.mojom"; |
| 10 |
| 11 enum HitTestRegionFlags { |
| 12 |
| 13 // Region maps to this surface ( me ). |
| 14 HIT_TEST_MINE = 0, |
| 15 |
| 16 // Region ignored for hit testing ( transparent backgrounds & hover:none ). |
| 17 HIT_TEST_IGNORE, |
| 18 |
| 19 // Region maps to child surface ( OOPIF ). |
| 20 HIT_TEST_CHILD_SURFACE, |
| 21 |
| 22 // Irregular boundary - send HitTestRequest to resolve. |
| 23 HIT_TEST_ASK, |
| 24 |
| 25 // No touch event handler exists - no need to send touch events. |
| 26 HIT_TEST_NO_TOUCH_EVENT_HANDLER, |
| 27 |
| 28 }; |
| 29 |
| 30 struct HitTestRegion { |
| 31 |
| 32 // Flags to indicate the type of HitTestRegion. |
| 33 HitTestRegionFlags flags_; |
| 34 |
| 35 // SurfaceId is required when flags_ = HIT_TEST_CHILD_SURFACE. |
| 36 cc.mojom.SurfaceId surface_id_; |
| 37 |
| 38 // The rect of the region in the coordinate space of the embedder. |
| 39 gfx.mojom.Rect rect_; |
| 40 |
| 41 // The transform applied to the child region. |
| 42 gfx.mojom.Transform transform_; |
| 43 }; |
| 44 |
| 45 struct HitTestData { |
| 46 |
| 47 // SurfaceId corresponding to this HitTestData. |
| 48 cc.mojom.SurfaceId surface_id_; |
| 49 |
| 50 // The list of sub-regions in this surface. |
| 51 array<HitTestRegion> regions_; // in front to back z-order |
| 52 }; |
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