зеркало из https://github.com/mozilla/gecko-dev.git
78 строки
2.6 KiB
C++
78 строки
2.6 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "ScrollableLayerGuid.h"
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#include <ostream>
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#include "mozilla/HashFunctions.h" // for HashGeneric
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#include "nsPrintfCString.h" // for nsPrintfCString
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namespace mozilla {
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namespace layers {
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ScrollableLayerGuid::ScrollableLayerGuid()
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: mLayersId{0}, mPresShellId(0), mScrollId(0) {}
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ScrollableLayerGuid::ScrollableLayerGuid(LayersId aLayersId,
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uint32_t aPresShellId,
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ViewID aScrollId)
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: mLayersId(aLayersId), mPresShellId(aPresShellId), mScrollId(aScrollId) {}
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bool ScrollableLayerGuid::operator==(const ScrollableLayerGuid& other) const {
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return mLayersId == other.mLayersId && mPresShellId == other.mPresShellId &&
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mScrollId == other.mScrollId;
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}
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bool ScrollableLayerGuid::operator!=(const ScrollableLayerGuid& other) const {
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return !(*this == other);
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}
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bool ScrollableLayerGuid::operator<(const ScrollableLayerGuid& other) const {
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if (mLayersId < other.mLayersId) {
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return true;
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}
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if (mLayersId == other.mLayersId) {
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if (mPresShellId < other.mPresShellId) {
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return true;
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}
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if (mPresShellId == other.mPresShellId) {
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return mScrollId < other.mScrollId;
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}
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}
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return false;
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}
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std::ostream& operator<<(std::ostream& aOut, const ScrollableLayerGuid& aGuid) {
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return aOut << nsPrintfCString("{ l=0x%" PRIx64 ", p=%u, v=%" PRIu64 " }",
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uint64_t(aGuid.mLayersId), aGuid.mPresShellId,
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aGuid.mScrollId)
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.get();
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}
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bool ScrollableLayerGuid::EqualsIgnoringPresShell(
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const ScrollableLayerGuid& aA, const ScrollableLayerGuid& aB) {
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return aA.mLayersId == aB.mLayersId && aA.mScrollId == aB.mScrollId;
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}
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std::size_t ScrollableLayerGuid::HashFn::operator()(
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const ScrollableLayerGuid& aGuid) const {
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return HashGeneric(uint64_t(aGuid.mLayersId), aGuid.mPresShellId,
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aGuid.mScrollId);
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}
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std::size_t ScrollableLayerGuid::HashIgnoringPresShellFn::operator()(
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const ScrollableLayerGuid& aGuid) const {
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return HashGeneric(uint64_t(aGuid.mLayersId), aGuid.mScrollId);
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}
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bool ScrollableLayerGuid::EqualIgnoringPresShellFn::operator()(
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const ScrollableLayerGuid& lhs, const ScrollableLayerGuid& rhs) const {
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return EqualsIgnoringPresShell(lhs, rhs);
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}
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} // namespace layers
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} // namespace mozilla
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