forked from mirrors/gecko-dev
265e672179
# ignore-this-changeset --HG-- extra : amend_source : 4d301d3b0b8711c4692392aa76088ba7fd7d1022
46 lines
2 KiB
C++
46 lines
2 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 "base/basictypes.h"
|
|
|
|
#include "CoalescedWheelData.h"
|
|
|
|
using namespace mozilla;
|
|
using namespace mozilla::dom;
|
|
|
|
void CoalescedWheelData::Coalesce(const WidgetWheelEvent& aEvent,
|
|
const ScrollableLayerGuid& aGuid,
|
|
const uint64_t& aInputBlockId) {
|
|
if (IsEmpty()) {
|
|
mCoalescedInputEvent = MakeUnique<WidgetWheelEvent>(aEvent);
|
|
mGuid = aGuid;
|
|
mInputBlockId = aInputBlockId;
|
|
} else {
|
|
MOZ_ASSERT(mGuid == aGuid);
|
|
MOZ_ASSERT(mInputBlockId == aInputBlockId);
|
|
MOZ_ASSERT(mCoalescedInputEvent->mModifiers == aEvent.mModifiers);
|
|
MOZ_ASSERT(mCoalescedInputEvent->mDeltaMode == aEvent.mDeltaMode);
|
|
MOZ_ASSERT(mCoalescedInputEvent->mCanTriggerSwipe ==
|
|
aEvent.mCanTriggerSwipe);
|
|
mCoalescedInputEvent->mDeltaX += aEvent.mDeltaX;
|
|
mCoalescedInputEvent->mDeltaY += aEvent.mDeltaY;
|
|
mCoalescedInputEvent->mDeltaZ += aEvent.mDeltaZ;
|
|
mCoalescedInputEvent->mLineOrPageDeltaX += aEvent.mLineOrPageDeltaX;
|
|
mCoalescedInputEvent->mLineOrPageDeltaY += aEvent.mLineOrPageDeltaY;
|
|
mCoalescedInputEvent->mTimeStamp = aEvent.mTimeStamp;
|
|
}
|
|
}
|
|
|
|
bool CoalescedWheelData::CanCoalesce(const WidgetWheelEvent& aEvent,
|
|
const ScrollableLayerGuid& aGuid,
|
|
const uint64_t& aInputBlockId) {
|
|
MOZ_ASSERT(!IsEmpty());
|
|
return !mCoalescedInputEvent ||
|
|
(mCoalescedInputEvent->mRefPoint == aEvent.mRefPoint &&
|
|
mCoalescedInputEvent->mModifiers == aEvent.mModifiers &&
|
|
mCoalescedInputEvent->mDeltaMode == aEvent.mDeltaMode &&
|
|
mCoalescedInputEvent->mCanTriggerSwipe == aEvent.mCanTriggerSwipe &&
|
|
mGuid == aGuid && mInputBlockId == aInputBlockId);
|
|
}
|