зеркало из https://github.com/mozilla/gecko-dev.git
67 строки
2.6 KiB
C++
67 строки
2.6 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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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 "APZTestData.h"
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#include "mozilla/dom/APZTestDataBinding.h"
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#include "mozilla/dom/ToJSValue.h"
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#include "nsString.h"
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namespace mozilla {
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namespace layers {
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struct APZTestDataToJSConverter {
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template <typename Key, typename Value, typename KeyValuePair>
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static void ConvertMap(const std::map<Key, Value>& aFrom,
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dom::Sequence<KeyValuePair>& aOutTo,
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void (*aElementConverter)(const Key&, const Value&, KeyValuePair&)) {
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for (auto it = aFrom.begin(); it != aFrom.end(); ++it) {
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aOutTo.AppendElement(fallible);
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aElementConverter(it->first, it->second, aOutTo.LastElement());
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}
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}
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static void ConvertAPZTestData(const APZTestData& aFrom,
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dom::APZTestData& aOutTo) {
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ConvertMap(aFrom.mPaints, aOutTo.mPaints.Construct(), ConvertBucket);
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ConvertMap(aFrom.mRepaintRequests, aOutTo.mRepaintRequests.Construct(), ConvertBucket);
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}
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static void ConvertBucket(const SequenceNumber& aKey,
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const APZTestData::Bucket& aValue,
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dom::APZBucket& aOutKeyValuePair) {
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aOutKeyValuePair.mSequenceNumber.Construct() = aKey;
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ConvertMap(aValue, aOutKeyValuePair.mScrollFrames.Construct(), ConvertScrollFrameData);
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}
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static void ConvertScrollFrameData(const APZTestData::ViewID& aKey,
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const APZTestData::ScrollFrameData& aValue,
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dom::ScrollFrameData& aOutKeyValuePair) {
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aOutKeyValuePair.mScrollId.Construct() = aKey;
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ConvertMap(aValue, aOutKeyValuePair.mEntries.Construct(), ConvertEntry);
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}
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static void ConvertEntry(const std::string& aKey,
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const std::string& aValue,
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dom::ScrollFrameDataEntry& aOutKeyValuePair) {
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ConvertString(aKey, aOutKeyValuePair.mKey.Construct());
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ConvertString(aValue, aOutKeyValuePair.mValue.Construct());
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}
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static void ConvertString(const std::string& aFrom, nsString& aOutTo) {
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aOutTo = NS_ConvertUTF8toUTF16(aFrom.c_str(), aFrom.size());
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}
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};
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bool
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APZTestData::ToJS(JS::MutableHandleValue aOutValue, JSContext* aContext) const
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{
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dom::APZTestData result;
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APZTestDataToJSConverter::ConvertAPZTestData(*this, result);
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return dom::ToJSValue(aContext, result, aOutValue);
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}
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} // namespace layers
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} // namespace mozilla
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