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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 #include "components/viz/hittest/hittest.h" |
| 6 |
| 7 #include "base/logging.h" |
| 8 |
| 9 namespace viz { |
| 10 |
| 11 struct Hittest::Region { |
| 12 cc::SurfaceId surface_id; |
| 13 gfx::QuadF quad; |
| 14 unsigned int flags; |
| 15 int nChildren; |
| 16 }; |
| 17 |
| 18 Hittest* Hittest::instance_; |
| 19 |
| 20 Hittest::Hittest() { |
| 21 current_regions_ = ®ions_[0]; |
| 22 } |
| 23 |
| 24 Hittest::~Hittest() {} |
| 25 |
| 26 cc::SurfaceId Hittest::InternalGetSurfaceIdAtPoint( |
| 27 cc::SurfaceId root_surface_id, |
| 28 const gfx::Point& point, |
| 29 gfx::Point* transformed_point) { |
| 30 return root_surface_id; |
| 31 } |
| 32 |
| 33 void Hittest::SubmitHittestData( |
| 34 viz::hittest::mojom::HittestData& hittest_data) { |
| 35 // add to pending |
| 36 } |
| 37 |
| 38 void Hittest::Aggregate() { |
| 39 // todo: walk pending list and assemble into a _regions list |
| 40 swap(); |
| 41 } |
| 42 |
| 43 void Hittest::swap() { |
| 44 if (current_regions_ == ®ions_[0]) { |
| 45 current_regions_ = ®ions_[1]; |
| 46 } else { |
| 47 current_regions_ = ®ions_[0]; |
| 48 } |
| 49 } |
| 50 |
| 51 } // namespace viz |
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