gecko-dev/gfx/layers/LayersTypes.cpp

35 строки
1.4 KiB
C++

/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#include "LayersTypes.h"
namespace mozilla {
namespace layers {
EventRegions::EventRegions(const nsIntRegion& aHitRegion,
const nsIntRegion& aMaybeHitRegion,
const nsIntRegion& aDispatchToContentRegion,
const nsIntRegion& aNoActionRegion,
const nsIntRegion& aHorizontalPanRegion,
const nsIntRegion& aVerticalPanRegion)
{
mHitRegion = aHitRegion;
mNoActionRegion = aNoActionRegion;
mHorizontalPanRegion = aHorizontalPanRegion;
mVerticalPanRegion = aVerticalPanRegion;
// Points whose hit-region status we're not sure about need to be dispatched
// to the content thread. If a point is in both maybeHitRegion and hitRegion
// then it's not a "maybe" any more, and doesn't go into the dispatch-to-
// content region.
mDispatchToContentHitRegion.Sub(aMaybeHitRegion, mHitRegion);
mDispatchToContentHitRegion.OrWith(aDispatchToContentRegion);
mHitRegion.OrWith(aMaybeHitRegion);
}
} // namespace layers
} // namespace mozilla