forked from mirrors/gecko-dev
e0f0ac8afa
This allows us to explicitly specify BrowsingContextGroups when synchronizing them. A major advantage of this is that it means we can handle an attempt to create a BrowsingContext with a parent which the content process is unaware of, which is possible due to changes to the EnsureSubscribed logic in earlier patches in this stack. This is OK, because in the case where the content process cannot see its parent, the parent must be imminently discarding. Differential Revision: https://phabricator.services.mozilla.com/D71668
137 lines
4.3 KiB
C++
137 lines
4.3 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 "nsThreadUtils.h"
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#include "mozilla/PerformanceUtils.h"
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#include "mozilla/ResultExtensions.h"
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#include "mozilla/dom/DocGroup.h"
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#include "mozilla/dom/BrowserChild.h"
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#include "mozilla/dom/BrowsingContextGroup.h"
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#include "mozilla/dom/ContentChild.h"
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#include "mozilla/dom/WorkerDebugger.h"
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#include "mozilla/dom/WorkerDebuggerManager.h"
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#include "MediaDecoder.h"
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#include "XPCJSMemoryReporter.h"
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#include "jsfriendapi.h"
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#include "js/MemoryMetrics.h"
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#include "nsWindowMemoryReporter.h"
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using namespace mozilla;
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using namespace mozilla::dom;
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namespace mozilla {
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nsTArray<RefPtr<PerformanceInfoPromise>> CollectPerformanceInfo() {
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nsTArray<RefPtr<PerformanceInfoPromise>> promises;
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// collecting ReportPerformanceInfo from all WorkerDebugger instances
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RefPtr<mozilla::dom::WorkerDebuggerManager> wdm =
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WorkerDebuggerManager::GetOrCreate();
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if (NS_WARN_IF(!wdm)) {
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return promises;
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}
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for (uint32_t i = 0; i < wdm->GetDebuggersLength(); i++) {
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const RefPtr<WorkerDebugger> debugger = wdm->GetDebuggerAt(i);
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promises.AppendElement(debugger->ReportPerformanceInfo());
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}
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nsTArray<RefPtr<BrowsingContextGroup>> groups;
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BrowsingContextGroup::GetAllGroups(groups);
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nsTArray<DocGroup*> docGroups;
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for (auto& browsingContextGroup : groups) {
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browsingContextGroup->GetDocGroups(docGroups);
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}
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for (DocGroup* docGroup : docGroups) {
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promises.AppendElement(docGroup->ReportPerformanceInfo());
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}
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return promises;
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}
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void AddWindowTabSizes(nsGlobalWindowOuter* aWindow, nsTabSizes* aSizes) {
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Document* document = aWindow->GetDocument();
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if (document && document->GetCachedSizes(aSizes)) {
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// We got a cached version
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return;
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}
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// We measure the sizes on a fresh nsTabSizes instance
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// because we want to cache the value and aSizes might
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// already have some values from other windows.
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nsTabSizes sizes;
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// Measure the window.
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SizeOfState state(moz_malloc_size_of);
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nsWindowSizes windowSizes(state);
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aWindow->AddSizeOfIncludingThis(windowSizes);
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// Measure the inner window, if there is one.
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nsGlobalWindowInner* inner = aWindow->GetCurrentInnerWindowInternal();
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if (inner != nullptr) {
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inner->AddSizeOfIncludingThis(windowSizes);
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}
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windowSizes.addToTabSizes(&sizes);
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if (document) {
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document->SetCachedSizes(&sizes);
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}
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aSizes->mDom += sizes.mDom;
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aSizes->mStyle += sizes.mStyle;
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aSizes->mOther += sizes.mOther;
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}
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nsresult GetTabSizes(nsGlobalWindowOuter* aWindow, nsTabSizes* aSizes) {
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// Add the window (and inner window) sizes. Might be cached.
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AddWindowTabSizes(aWindow, aSizes);
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BrowsingContext* bc = aWindow->GetBrowsingContext();
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if (!bc) {
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return NS_OK;
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}
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// Measure this window's descendents.
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for (const auto& frame : bc->Children()) {
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if (auto* childWin = nsGlobalWindowOuter::Cast(frame->GetDOMWindow())) {
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MOZ_TRY(GetTabSizes(childWin, aSizes));
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}
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}
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return NS_OK;
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}
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RefPtr<MemoryPromise> CollectMemoryInfo(
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const nsCOMPtr<nsPIDOMWindowOuter>& aWindow,
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const RefPtr<AbstractThread>& aEventTarget) {
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// Getting Dom sizes. -- XXX should we reimplement GetTabSizes to async here ?
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nsGlobalWindowOuter* window = nsGlobalWindowOuter::Cast(aWindow);
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nsTabSizes sizes;
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nsresult rv = GetTabSizes(window, &sizes);
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if (NS_FAILED(rv)) {
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return MemoryPromise::CreateAndReject(rv, __func__);
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}
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// Getting GC Heap Usage
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JSObject* obj = window->GetGlobalJSObject();
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uint64_t GCHeapUsage = 0;
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if (obj != nullptr) {
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GCHeapUsage = js::GetGCHeapUsageForObjectZone(obj);
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}
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// Getting Media sizes.
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return GetMediaMemorySizes()->Then(
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aEventTarget, __func__,
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[GCHeapUsage, sizes](const MediaMemoryInfo& media) {
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return MemoryPromise::CreateAndResolve(
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PerformanceMemoryInfo(media, sizes.mDom, sizes.mStyle, sizes.mOther,
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GCHeapUsage),
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__func__);
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},
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[](const nsresult rv) {
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return MemoryPromise::CreateAndReject(rv, __func__);
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});
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}
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} // namespace mozilla
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