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/* -*- Mode: C++; tab-width: 2; 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 "PageInformation.h"
#include "BaseProfiler.h"
#include "mozilla/BaseProfileJSONWriter.h"
namespace mozilla {
namespace baseprofiler {
PageInformation::PageInformation(uint64_t aBrowsingContextID,
uint64_t aInnerWindowID,
const std::string& aUrl,
uint64_t aEmbedderInnerWindowID)
: mBrowsingContextID(aBrowsingContextID),
mInnerWindowID(aInnerWindowID),
mUrl(aUrl),
mEmbedderInnerWindowID(aEmbedderInnerWindowID),
mRefCnt(0) {}
bool PageInformation::Equals(PageInformation* aOtherPageInfo) const {
// It's enough to check inner window IDs because they are unique for each
// page. Therefore, we don't have to check browsing context ID or url.
return InnerWindowID() == aOtherPageInfo->InnerWindowID();
}
void PageInformation::StreamJSON(SpliceableJSONWriter& aWriter) const {
aWriter.StartObjectElement();
// Here, we are converting uint64_t to double. Both Browsing Context and Inner
// Window IDs are creating using `nsContentUtils::GenerateProcessSpecificId`,
// which is specifically designed to only use 53 of the 64 bits to be lossless
// when passed into and out of JS as a double.
aWriter.DoubleProperty("browsingContextID", BrowsingContextID());
aWriter.DoubleProperty("innerWindowID", InnerWindowID());
aWriter.StringProperty("url", Url());
aWriter.DoubleProperty("embedderInnerWindowID", EmbedderInnerWindowID());
aWriter.EndObject();
}
size_t PageInformation::SizeOfIncludingThis(MallocSizeOf aMallocSizeOf) const {
return aMallocSizeOf(this);
}
} // namespace baseprofiler
} // namespace mozilla
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