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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
commit | 36d22d82aa202bb199967e9512281e9a53db42c9 (patch) | |
tree | 105e8c98ddea1c1e4784a60a5a6410fa416be2de /gfx/layers/apz/testutil/APZTestData.cpp | |
parent | Initial commit. (diff) | |
download | firefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.tar.xz firefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.zip |
Adding upstream version 115.7.0esr.upstream/115.7.0esrupstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'gfx/layers/apz/testutil/APZTestData.cpp')
-rw-r--r-- | gfx/layers/apz/testutil/APZTestData.cpp | 124 |
1 files changed, 124 insertions, 0 deletions
diff --git a/gfx/layers/apz/testutil/APZTestData.cpp b/gfx/layers/apz/testutil/APZTestData.cpp new file mode 100644 index 0000000000..4154607d75 --- /dev/null +++ b/gfx/layers/apz/testutil/APZTestData.cpp @@ -0,0 +1,124 @@ +/* -*- 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 "APZTestData.h" +#include "mozilla/dom/APZTestDataBinding.h" +#include "mozilla/dom/ToJSValue.h" +#include "nsString.h" + +namespace mozilla { +namespace layers { + +struct APZTestDataToJSConverter { + template <typename Key, typename Value, typename KeyValuePair> + static void ConvertMap(const std::map<Key, Value>& aFrom, + dom::Sequence<KeyValuePair>& aOutTo, + void (*aElementConverter)(const Key&, const Value&, + KeyValuePair&)) { + for (auto it = aFrom.begin(); it != aFrom.end(); ++it) { + if (!aOutTo.AppendElement(fallible)) { + // XXX(Bug 1632090) Instead of extending the array 1-by-1 (which might + // involve multiple reallocations) and potentially crashing here, + // SetCapacity could be called outside the loop once. + mozalloc_handle_oom(0); + } + aElementConverter(it->first, it->second, aOutTo.LastElement()); + } + } + + template <typename Src, typename Target> + static void ConvertList(const nsTArray<Src>& aFrom, + dom::Sequence<Target>& aOutTo, + void (*aElementConverter)(const Src&, Target&)) { + for (auto it = aFrom.begin(); it != aFrom.end(); ++it) { + if (!aOutTo.AppendElement(fallible)) { + // XXX(Bug 1632090) Instead of extending the array 1-by-1 (which might + // involve multiple reallocations) and potentially crashing here, + // SetCapacity could be called outside the loop once. + mozalloc_handle_oom(0); + } + aElementConverter(*it, aOutTo.LastElement()); + } + } + + static void ConvertAPZTestData(const APZTestData& aFrom, + dom::APZTestData& aOutTo) { + ConvertMap(aFrom.mPaints, aOutTo.mPaints.Construct(), ConvertBucket); + ConvertMap(aFrom.mRepaintRequests, aOutTo.mRepaintRequests.Construct(), + ConvertBucket); + ConvertList(aFrom.mHitResults, aOutTo.mHitResults.Construct(), + ConvertHitResult); + ConvertList(aFrom.mSampledResults, aOutTo.mSampledResults.Construct(), + ConvertSampledResult); + ConvertMap(aFrom.mAdditionalData, aOutTo.mAdditionalData.Construct(), + ConvertAdditionalDataEntry); + } + + static void ConvertBucket(const SequenceNumber& aKey, + const APZTestData::Bucket& aValue, + dom::APZBucket& aOutKeyValuePair) { + aOutKeyValuePair.mSequenceNumber.Construct() = aKey; + ConvertMap(aValue, aOutKeyValuePair.mScrollFrames.Construct(), + ConvertScrollFrameData); + } + + static void ConvertScrollFrameData(const APZTestData::ViewID& aKey, + const APZTestData::ScrollFrameData& aValue, + dom::ScrollFrameData& aOutKeyValuePair) { + aOutKeyValuePair.mScrollId.Construct() = aKey; + ConvertMap(aValue, aOutKeyValuePair.mEntries.Construct(), ConvertEntry); + } + + static void ConvertEntry(const std::string& aKey, const std::string& aValue, + dom::ScrollFrameDataEntry& aOutKeyValuePair) { + ConvertString(aKey, aOutKeyValuePair.mKey.Construct()); + ConvertString(aValue, aOutKeyValuePair.mValue.Construct()); + } + + static void ConvertAdditionalDataEntry( + const std::string& aKey, const std::string& aValue, + dom::AdditionalDataEntry& aOutKeyValuePair) { + ConvertString(aKey, aOutKeyValuePair.mKey.Construct()); + ConvertString(aValue, aOutKeyValuePair.mValue.Construct()); + } + + static void ConvertString(const std::string& aFrom, nsString& aOutTo) { + CopyUTF8toUTF16(aFrom, aOutTo); + } + + static void ConvertHitResult(const APZTestData::HitResult& aResult, + dom::APZHitResult& aOutHitResult) { + aOutHitResult.mScreenX.Construct() = aResult.point.x; + aOutHitResult.mScreenY.Construct() = aResult.point.y; + static_assert(MaxEnumValue<gfx::CompositorHitTestInfo::valueType>::value < + std::numeric_limits<uint16_t>::digits, + "CompositorHitTestFlags MAX value have to be less than " + "number of bits in uint16_t"); + aOutHitResult.mHitResult.Construct() = + static_cast<uint16_t>(aResult.result.serialize()); + aOutHitResult.mLayersId.Construct() = aResult.layersId.mId; + aOutHitResult.mScrollId.Construct() = aResult.scrollId; + } + + static void ConvertSampledResult(const APZTestData::SampledResult& aResult, + dom::APZSampledResult& aOutSampledResult) { + aOutSampledResult.mScrollOffsetX.Construct() = aResult.scrollOffset.x; + aOutSampledResult.mScrollOffsetY.Construct() = aResult.scrollOffset.y; + aOutSampledResult.mLayersId.Construct() = aResult.layersId.mId; + aOutSampledResult.mScrollId.Construct() = aResult.scrollId; + aOutSampledResult.mSampledTimeStamp.Construct() = aResult.sampledTimeStamp; + } +}; + +bool APZTestData::ToJS(JS::MutableHandle<JS::Value> aOutValue, + JSContext* aContext) const { + dom::APZTestData result; + APZTestDataToJSConverter::ConvertAPZTestData(*this, result); + return dom::ToJSValue(aContext, result, aOutValue); +} + +} // namespace layers +} // namespace mozilla |