gfx/layers/LayersTypes.cpp

   1 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
   2 /* vim: set ts=8 sts=2 et sw=2 tw=80: */
   3 /* This Source Code Form is subject to the terms of the Mozilla Public
   4  * License, v. 2.0. If a copy of the MPL was not distributed with this
   5  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
   6
   7 #include "LayersTypes.h"
   8
   9 namespace mozilla {
  10 namespace layers {
  11
  12 EventRegions::EventRegions(const nsIntRegion& aHitRegion,
  13                            const nsIntRegion& aMaybeHitRegion,
  14                            const nsIntRegion& aDispatchToContentRegion,
  15                            const nsIntRegion& aNoActionRegion,
  16                            const nsIntRegion& aHorizontalPanRegion,
  17                            const nsIntRegion& aVerticalPanRegion,
  18                            bool aDTCRequiresTargetConfirmation) {
  19   mHitRegion = aHitRegion;
  20   mNoActionRegion = aNoActionRegion;
  21   mHorizontalPanRegion = aHorizontalPanRegion;
  22   mVerticalPanRegion = aVerticalPanRegion;
  23   // Points whose hit-region status we're not sure about need to be dispatched
  24   // to the content thread. If a point is in both maybeHitRegion and hitRegion
  25   // then it's not a "maybe" any more, and doesn't go into the dispatch-to-
  26   // content region.
  27   mDispatchToContentHitRegion.Sub(aMaybeHitRegion, mHitRegion);
  28   mDispatchToContentHitRegion.OrWith(aDispatchToContentRegion);
  29   mHitRegion.OrWith(aMaybeHitRegion);
  30   mDTCRequiresTargetConfirmation = aDTCRequiresTargetConfirmation;
  31 }
  32
  33 }  // namespace layers
  34 }  // namespace mozilla