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// 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 "ui/gfx/geometry/rect.h"
namespace cc {
TouchActionRegion::TouchActionRegion() {}
TouchActionRegion::TouchActionRegion(
const TouchActionRegion& touch_action_region) = default;
TouchActionRegion::TouchActionRegion(TouchActionRegion&& touch_action_region) =
default;
TouchActionRegion::~TouchActionRegion() = default;
Region TouchActionRegion::GetAllRegions() const {
Region all_regions;
for (const auto& pair : map_)
all_regions.Union(pair.second);
return all_regions;
}
void TouchActionRegion::Union(TouchAction touch_action, const gfx::Rect& 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::GetAllowedTouchAction(
const gfx::Point& point) const {
TouchAction allowed_touch_action = kTouchActionAuto;
for (const auto& pair : map_) {
if (!pair.second.Contains(point))
continue;
allowed_touch_action &= pair.first;
}
return allowed_touch_action;
}
TouchActionRegion& TouchActionRegion::operator=(
const TouchActionRegion& other) {
map_ = other.map_;
return *this;
}
TouchActionRegion& TouchActionRegion::operator=(TouchActionRegion&& other) =
default;
bool TouchActionRegion::operator==(const TouchActionRegion& other) const {
return map_ == other.map_;
}
} // namespace cc
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