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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* 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) {
aOutTo.AppendElement(fallible);
aElementConverter(it->first, it->second, 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);
}
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 ConvertString(const std::string& aFrom, nsString& aOutTo) {
aOutTo = NS_ConvertUTF8toUTF16(aFrom.c_str(), aFrom.size());
}
};
bool
APZTestData::ToJS(JS::MutableHandleValue aOutValue, JSContext* aContext) const
{
dom::APZTestData result;
APZTestDataToJSConverter::ConvertAPZTestData(*this, result);
return dom::ToJSValue(aContext, result, aOutValue);
}
} // namespace layers
} // namespace mozilla
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