| // Copyright 2017 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #include "cc/layers/touch_action_region.h" |
| |
| #include "base/memory/ptr_util.h" |
| #include "ui/gfx/geometry/rect.h" |
| |
| namespace cc { |
| |
| TouchActionRegion::TouchActionRegion() : region_(std::make_unique<Region>()) {} |
| TouchActionRegion::TouchActionRegion( |
| const TouchActionRegion& touch_action_region) |
| : map_(touch_action_region.map_), |
| region_(std::make_unique<Region>(touch_action_region.region())) {} |
| TouchActionRegion::TouchActionRegion(TouchActionRegion&& touch_action_region) = |
| default; |
| |
| TouchActionRegion::TouchActionRegion( |
| const base::flat_map<TouchAction, Region>& region_map) |
| : map_(region_map), region_(std::make_unique<Region>()) { |
| for (const auto& pair : region_map) { |
| region_->Union(pair.second); |
| } |
| } |
| |
| TouchActionRegion::~TouchActionRegion() = default; |
| |
| void TouchActionRegion::Union(TouchAction touch_action, const gfx::Rect& rect) { |
| region_->Union(rect); |
| map_[touch_action].Union(rect); |
| } |
| |
| const Region& TouchActionRegion::GetRegionForTouchAction( |
| TouchAction touch_action) const { |
| static const Region* empty_region = new Region; |
| auto it = map_.find(touch_action); |
| if (it == map_.end()) |
| return *empty_region; |
| return it->second; |
| } |
| |
| TouchAction TouchActionRegion::GetWhiteListedTouchAction( |
| const gfx::Point& point) const { |
| TouchAction white_listed_touch_action = kTouchActionAuto; |
| for (const auto& pair : map_) { |
| if (!pair.second.Contains(point)) |
| continue; |
| white_listed_touch_action &= pair.first; |
| } |
| return white_listed_touch_action; |
| } |
| |
| TouchActionRegion& TouchActionRegion::operator=( |
| const TouchActionRegion& other) { |
| *region_ = *other.region_; |
| map_ = other.map_; |
| return *this; |
| } |
| |
| TouchActionRegion& TouchActionRegion::operator=(TouchActionRegion&& other) = |
| default; |
| |
| bool TouchActionRegion::operator==(const TouchActionRegion& other) const { |
| return map_ == other.map_; |
| } |
| |
| } // namespace cc |