From 26a029d407be480d791972afb5975cf62c9360a6 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Fri, 19 Apr 2024 02:47:55 +0200 Subject: Adding upstream version 124.0.1. Signed-off-by: Daniel Baumann --- layout/tools/layout-debug/src/components.conf | 21 ++ layout/tools/layout-debug/src/moz.build | 24 ++ .../layout-debug/src/nsILayoutDebuggingTools.idl | 44 +++ layout/tools/layout-debug/src/nsLayoutDebugCLH.cpp | 187 ++++++++++++ layout/tools/layout-debug/src/nsLayoutDebugCLH.h | 24 ++ .../layout-debug/src/nsLayoutDebuggingTools.cpp | 327 +++++++++++++++++++++ .../layout-debug/src/nsLayoutDebuggingTools.h | 30 ++ 7 files changed, 657 insertions(+) create mode 100644 layout/tools/layout-debug/src/components.conf create mode 100644 layout/tools/layout-debug/src/moz.build create mode 100644 layout/tools/layout-debug/src/nsILayoutDebuggingTools.idl create mode 100644 layout/tools/layout-debug/src/nsLayoutDebugCLH.cpp create mode 100644 layout/tools/layout-debug/src/nsLayoutDebugCLH.h create mode 100644 layout/tools/layout-debug/src/nsLayoutDebuggingTools.cpp create mode 100644 layout/tools/layout-debug/src/nsLayoutDebuggingTools.h (limited to 'layout/tools/layout-debug/src') diff --git a/layout/tools/layout-debug/src/components.conf b/layout/tools/layout-debug/src/components.conf new file mode 100644 index 0000000000..07ad3d155d --- /dev/null +++ b/layout/tools/layout-debug/src/components.conf @@ -0,0 +1,21 @@ +# -*- Mode: python; indent-tabs-mode: nil; tab-width: 40 -*- +# vim: set filetype=python: +# 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/. + +Classes = [ + { + 'cid': '{3f4c3b63-e640-4712-abbf-fff1301ceb60}', + 'contract_ids': ['@mozilla.org/layout-debug/layout-debuggingtools;1'], + 'type': 'nsLayoutDebuggingTools', + 'headers': ['/layout/tools/layout-debug/src/nsLayoutDebuggingTools.h'], + }, + { + 'cid': '{a8f52633-5ecf-424a-a147-47c322f7bc2e}', + 'contract_ids': ['@mozilla.org/commandlinehandler/general-startup;1?type=layoutdebug'], + 'type': 'nsLayoutDebugCLH', + 'headers': ['/layout/tools/layout-debug/src/nsLayoutDebugCLH.h'], + 'categories': {'command-line-handler': 'm-layoutdebug'}, + }, +] diff --git a/layout/tools/layout-debug/src/moz.build b/layout/tools/layout-debug/src/moz.build new file mode 100644 index 0000000000..37f9389fa3 --- /dev/null +++ b/layout/tools/layout-debug/src/moz.build @@ -0,0 +1,24 @@ +# -*- Mode: python; indent-tabs-mode: nil; tab-width: 40 -*- +# vim: set filetype=python: +# 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/. + +XPIDL_SOURCES += [ + "nsILayoutDebuggingTools.idl", +] + +XPIDL_MODULE = "layout_debug" + +UNIFIED_SOURCES += [ + "nsLayoutDebugCLH.cpp", + "nsLayoutDebuggingTools.cpp", +] + +XPCOM_MANIFESTS += [ + "components.conf", +] + +include("/ipc/chromium/chromium-config.mozbuild") + +FINAL_LIBRARY = "xul" diff --git a/layout/tools/layout-debug/src/nsILayoutDebuggingTools.idl b/layout/tools/layout-debug/src/nsILayoutDebuggingTools.idl new file mode 100644 index 0000000000..f689734a46 --- /dev/null +++ b/layout/tools/layout-debug/src/nsILayoutDebuggingTools.idl @@ -0,0 +1,44 @@ +/* -*- Mode: IDL; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ +// vim:cindent:tabstop=4:expandtab:shiftwidth=4: +/* 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 "nsISupports.idl" + +interface mozIDOMWindow; + +/** + * A series of hooks into non-IDL-ized layout code to allow all the + * layout debugging functions to be used from chrome. + */ + +[builtinclass, scriptable, uuid(f336d8d3-9721-4ad3-85d0-a7018c0a3383)] +interface nsILayoutDebuggingTools : nsISupports +{ + /* + * Initialize debugger object to act on a docshell. + */ + void init(in mozIDOMWindow win); + + // Repaint the window. + void forceRefresh(); + + /* Toggle various debugging states */ + void setReflowCounts(in boolean enabled); + void setPagedMode(in boolean enabled); + + /* Run various tests. */ + void dumpContent(); + void dumpFrames(); + void dumpFramesInCSSPixels(); + void dumpTextRuns(); + void dumpViews(); + void dumpCounterManager(); + + void dumpStyleSheets(); + void dumpMatchedRules(); + void dumpComputedStyles(); + + void dumpReflowStats(); +}; diff --git a/layout/tools/layout-debug/src/nsLayoutDebugCLH.cpp b/layout/tools/layout-debug/src/nsLayoutDebugCLH.cpp new file mode 100644 index 0000000000..c50f3af44a --- /dev/null +++ b/layout/tools/layout-debug/src/nsLayoutDebugCLH.cpp @@ -0,0 +1,187 @@ +/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ +// vim:cindent:tabstop=4:expandtab:shiftwidth=4: +/* 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 "nsLayoutDebugCLH.h" +#include "mozIDOMWindow.h" +#include "nsArray.h" +#include "nsString.h" +#include "nsComponentManagerUtils.h" +#include "nsCOMPtr.h" +#include "nsIWindowWatcher.h" +#include "nsISupportsPrimitives.h" +#include "nsICommandLine.h" +#include "nsIURI.h" +#include "nsServiceManagerUtils.h" + +nsLayoutDebugCLH::nsLayoutDebugCLH() = default; + +nsLayoutDebugCLH::~nsLayoutDebugCLH() = default; + +NS_IMPL_ISUPPORTS(nsLayoutDebugCLH, ICOMMANDLINEHANDLER) + +static nsresult HandleFlagWithOptionalArgument(nsICommandLine* aCmdLine, + const nsAString& aName, + const nsAString& aDefaultValue, + nsAString& aValue, + bool& aFlagPresent) { + aValue.Truncate(); + aFlagPresent = false; + + nsresult rv; + int32_t idx; + + rv = aCmdLine->FindFlag(aName, false, &idx); + NS_ENSURE_SUCCESS(rv, rv); + if (idx < 0) return NS_OK; + + aFlagPresent = true; + + int32_t length; + aCmdLine->GetLength(&length); + + bool argPresent = false; + + if (idx + 1 < length) { + rv = aCmdLine->GetArgument(idx + 1, aValue); + NS_ENSURE_SUCCESS(rv, rv); + + if (!aValue.IsEmpty() && aValue.CharAt(0) == '-') { + aValue.Truncate(); + } else { + argPresent = true; + } + } + + if (!argPresent) { + aValue = aDefaultValue; + } + + return aCmdLine->RemoveArguments(idx, idx + argPresent); +} + +static nsresult HandleFlagWithOptionalArgument(nsICommandLine* aCmdLine, + const nsAString& aName, + double aDefaultValue, + double& aValue, + bool& aFlagPresent) { + nsresult rv; + nsString s; + + rv = + HandleFlagWithOptionalArgument(aCmdLine, aName, u"0"_ns, s, aFlagPresent); + NS_ENSURE_SUCCESS(rv, rv); + + if (!aFlagPresent) { + aValue = 0.0; + return NS_OK; + } + + aValue = s.ToDouble(&rv); + return rv; +} + +static nsresult AppendArg(nsIMutableArray* aArray, const nsAString& aString) { + nsCOMPtr s = + do_CreateInstance(NS_SUPPORTS_STRING_CONTRACTID); + NS_ENSURE_TRUE(s, NS_ERROR_FAILURE); + s->SetData(aString); + return aArray->AppendElement(s); +} + +NS_IMETHODIMP +nsLayoutDebugCLH::Handle(nsICommandLine* aCmdLine) { + nsresult rv; + bool flagPresent; + + nsString url; + bool autoclose = false; + double delay = 0.0; + bool captureProfile = false; + nsString profileFilename; + bool paged = false; + + rv = HandleFlagWithOptionalArgument(aCmdLine, u"layoutdebug"_ns, + u"about:blank"_ns, url, flagPresent); + NS_ENSURE_SUCCESS(rv, rv); + + if (!flagPresent) { + return NS_OK; + } + + rv = HandleFlagWithOptionalArgument(aCmdLine, u"autoclose"_ns, 0.0, delay, + autoclose); + NS_ENSURE_SUCCESS(rv, rv); + + rv = HandleFlagWithOptionalArgument(aCmdLine, u"capture-profile"_ns, + u"profile.json"_ns, profileFilename, + captureProfile); + NS_ENSURE_SUCCESS(rv, rv); + + rv = aCmdLine->HandleFlag(u"paged"_ns, false, &paged); + NS_ENSURE_SUCCESS(rv, rv); + + nsCOMPtr argsArray = nsArray::Create(); + + nsCOMPtr uri; + nsAutoCString resolvedSpec; + + rv = aCmdLine->ResolveURI(url, getter_AddRefs(uri)); + NS_ENSURE_SUCCESS(rv, rv); + + rv = uri->GetSpec(resolvedSpec); + NS_ENSURE_SUCCESS(rv, rv); + + rv = AppendArg(argsArray, NS_ConvertUTF8toUTF16(resolvedSpec)); + NS_ENSURE_SUCCESS(rv, rv); + + if (autoclose) { + nsString arg; + arg.AppendPrintf("autoclose=%f", delay); + + rv = AppendArg(argsArray, arg); + NS_ENSURE_SUCCESS(rv, rv); + } + + if (captureProfile) { + nsString arg; + arg.AppendLiteral("profile="); + arg.Append(profileFilename); + + rv = AppendArg(argsArray, arg); + NS_ENSURE_SUCCESS(rv, rv); + } + + if (paged) { + rv = AppendArg(argsArray, u"paged"_ns); + NS_ENSURE_SUCCESS(rv, rv); + } + + nsCOMPtr wwatch = + do_GetService(NS_WINDOWWATCHER_CONTRACTID); + NS_ENSURE_TRUE(wwatch, NS_ERROR_FAILURE); + + nsCOMPtr opened; + wwatch->OpenWindow( + nullptr, "chrome://layoutdebug/content/layoutdebug.xhtml"_ns, "_blank"_ns, + "chrome,dialog=no,all"_ns, argsArray, getter_AddRefs(opened)); + aCmdLine->SetPreventDefault(true); + return NS_OK; +} + +NS_IMETHODIMP +nsLayoutDebugCLH::GetHelpInfo(nsACString& aResult) { + aResult.AssignLiteral( + " --layoutdebug [] Start with Layout Debugger\n" + " --autoclose [] Automatically close the Layout Debugger once\n" + " the page has loaded, after delaying the specified\n" + " number of seconds (which defaults to 0).\n" + " --capture-profile [] Capture a profile of the Layout\n" + " Debugger using the Gecko Profiler, and save the\n" + " profile to the specified file (which defaults to\n" + " profile.json).\n" + " --paged Layout the page in paginated mode.\n"); + return NS_OK; +} diff --git a/layout/tools/layout-debug/src/nsLayoutDebugCLH.h b/layout/tools/layout-debug/src/nsLayoutDebugCLH.h new file mode 100644 index 0000000000..aa99bf9eff --- /dev/null +++ b/layout/tools/layout-debug/src/nsLayoutDebugCLH.h @@ -0,0 +1,24 @@ +/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ +// vim:cindent:tabstop=4:expandtab:shiftwidth=4: +/* 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/. */ + +#ifndef nsLayoutDebugCLH_h_ +#define nsLayoutDebugCLH_h_ + +#include "nsICommandLineHandler.h" +#define ICOMMANDLINEHANDLER nsICommandLineHandler + +class nsLayoutDebugCLH : public ICOMMANDLINEHANDLER { + public: + nsLayoutDebugCLH(); + + NS_DECL_ISUPPORTS + NS_DECL_NSICOMMANDLINEHANDLER + + protected: + virtual ~nsLayoutDebugCLH(); +}; + +#endif /* !defined(nsLayoutDebugCLH_h_) */ diff --git a/layout/tools/layout-debug/src/nsLayoutDebuggingTools.cpp b/layout/tools/layout-debug/src/nsLayoutDebuggingTools.cpp new file mode 100644 index 0000000000..05ad47356d --- /dev/null +++ b/layout/tools/layout-debug/src/nsLayoutDebuggingTools.cpp @@ -0,0 +1,327 @@ +/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ +// vim:cindent:tabstop=4:expandtab:shiftwidth=4: +/* 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 "nsLayoutDebuggingTools.h" + +#include "nsIDocShell.h" +#include "nsPIDOMWindow.h" +#include "nsIDocumentViewer.h" +#include "nsIPrintSettings.h" +#include "nsIPrintSettingsService.h" + +#include "nsAtom.h" + +#include "nsIContent.h" + +#include "nsCounterManager.h" +#include "nsCSSFrameConstructor.h" +#include "nsViewManager.h" +#include "nsIFrame.h" + +#include "nsLayoutCID.h" + +#include "mozilla/dom/Document.h" +#include "mozilla/dom/Element.h" +#include "mozilla/Preferences.h" +#include "mozilla/PresShell.h" + +using namespace mozilla; +using mozilla::dom::Document; + +static already_AddRefed doc_viewer(nsIDocShell* aDocShell) { + if (!aDocShell) return nullptr; + nsCOMPtr viewer; + aDocShell->GetDocViewer(getter_AddRefs(viewer)); + return viewer.forget(); +} + +static PresShell* GetPresShell(nsIDocShell* aDocShell) { + nsCOMPtr viewer = doc_viewer(aDocShell); + if (!viewer) return nullptr; + return viewer->GetPresShell(); +} + +static nsViewManager* view_manager(nsIDocShell* aDocShell) { + PresShell* presShell = GetPresShell(aDocShell); + if (!presShell) { + return nullptr; + } + return presShell->GetViewManager(); +} + +#ifdef DEBUG +static already_AddRefed document(nsIDocShell* aDocShell) { + nsCOMPtr viewer(doc_viewer(aDocShell)); + if (!viewer) { + return nullptr; + } + return do_AddRef(viewer->GetDocument()); +} +#endif + +nsLayoutDebuggingTools::nsLayoutDebuggingTools() { ForceRefresh(); } + +nsLayoutDebuggingTools::~nsLayoutDebuggingTools() = default; + +NS_IMPL_ISUPPORTS(nsLayoutDebuggingTools, nsILayoutDebuggingTools) + +NS_IMETHODIMP +nsLayoutDebuggingTools::Init(mozIDOMWindow* aWin) { + if (!Preferences::GetService()) { + return NS_ERROR_UNEXPECTED; + } + + { + if (!aWin) return NS_ERROR_UNEXPECTED; + auto* window = nsPIDOMWindowInner::From(aWin); + mDocShell = window->GetDocShell(); + } + NS_ENSURE_TRUE(mDocShell, NS_ERROR_UNEXPECTED); + + return NS_OK; +} + +NS_IMETHODIMP +nsLayoutDebuggingTools::SetReflowCounts(bool aShow) { + NS_ENSURE_TRUE(mDocShell, NS_ERROR_NOT_INITIALIZED); + if (PresShell* presShell = GetPresShell(mDocShell)) { +#ifdef MOZ_REFLOW_PERF + presShell->SetPaintFrameCount(aShow); +#else + printf("************************************************\n"); + printf("Sorry, you have not built with MOZ_REFLOW_PERF=1\n"); + printf("************************************************\n"); +#endif + } + return NS_OK; +} + +NS_IMETHODIMP +nsLayoutDebuggingTools::SetPagedMode(bool aPagedMode) { + nsCOMPtr printSettingsService = + do_GetService("@mozilla.org/gfx/printsettings-service;1"); + nsCOMPtr printSettings; + + printSettingsService->CreateNewPrintSettings(getter_AddRefs(printSettings)); + + // Use the same setup as setupPrintMode() in reftest-content.js. + printSettings->SetPaperWidth(5); + printSettings->SetPaperHeight(3); + + nsIntMargin unwriteableMargin(0, 0, 0, 0); + printSettings->SetUnwriteableMarginInTwips(unwriteableMargin); + + printSettings->SetHeaderStrLeft(u""_ns); + printSettings->SetHeaderStrCenter(u""_ns); + printSettings->SetHeaderStrRight(u""_ns); + + printSettings->SetFooterStrLeft(u""_ns); + printSettings->SetFooterStrCenter(u""_ns); + printSettings->SetFooterStrRight(u""_ns); + + printSettings->SetPrintBGColors(true); + printSettings->SetPrintBGImages(true); + + nsCOMPtr docViewer(doc_viewer(mDocShell)); + docViewer->SetPageModeForTesting(aPagedMode, printSettings); + + ForceRefresh(); + return NS_OK; +} + +static void DumpContentRecur(nsIDocShell* aDocShell, FILE* out) { +#ifdef DEBUG + if (nullptr != aDocShell) { + fprintf(out, "docshell=%p \n", static_cast(aDocShell)); + RefPtr doc(document(aDocShell)); + if (doc) { + dom::Element* root = doc->GetRootElement(); + if (root) { + root->List(out); + } + } else { + fputs("no document\n", out); + } + } +#endif +} + +NS_IMETHODIMP +nsLayoutDebuggingTools::DumpContent() { + NS_ENSURE_TRUE(mDocShell, NS_ERROR_NOT_INITIALIZED); + DumpContentRecur(mDocShell, stdout); + return NS_OK; +} + +static void DumpFramesRecur( + nsIDocShell* aDocShell, FILE* out, + nsIFrame::ListFlags aFlags = nsIFrame::ListFlags()) { + if (aFlags.contains(nsIFrame::ListFlag::DisplayInCSSPixels)) { + fprintf(out, "Frame tree in CSS pixels:\n"); + } else { + fprintf(out, "Frame tree in app units:\n"); + } + + fprintf(out, "docshell=%p \n", aDocShell); + if (PresShell* presShell = GetPresShell(aDocShell)) { + nsIFrame* root = presShell->GetRootFrame(); + if (root) { + root->List(out, "", aFlags); + } + } else { + fputs("null pres shell\n", out); + } +} + +static void DumpTextRunsRecur(nsIDocShell* aDocShell, FILE* out) { + fprintf(out, "Text runs:\n"); + + fprintf(out, "docshell=%p \n", aDocShell); + if (PresShell* presShell = GetPresShell(aDocShell)) { + nsIFrame* root = presShell->GetRootFrame(); + if (root) { + root->ListTextRuns(out); + } + } else { + fputs("null pres shell\n", out); + } +} + +NS_IMETHODIMP +nsLayoutDebuggingTools::DumpFrames() { + NS_ENSURE_TRUE(mDocShell, NS_ERROR_NOT_INITIALIZED); + DumpFramesRecur(mDocShell, stdout); + return NS_OK; +} + +NS_IMETHODIMP +nsLayoutDebuggingTools::DumpFramesInCSSPixels() { + NS_ENSURE_TRUE(mDocShell, NS_ERROR_NOT_INITIALIZED); + DumpFramesRecur(mDocShell, stdout, nsIFrame::ListFlag::DisplayInCSSPixels); + return NS_OK; +} + +NS_IMETHODIMP +nsLayoutDebuggingTools::DumpTextRuns() { + NS_ENSURE_TRUE(mDocShell, NS_ERROR_NOT_INITIALIZED); + DumpTextRunsRecur(mDocShell, stdout); + return NS_OK; +} + +static void DumpViewsRecur(nsIDocShell* aDocShell, FILE* out) { +#ifdef DEBUG + fprintf(out, "docshell=%p \n", static_cast(aDocShell)); + RefPtr vm(view_manager(aDocShell)); + if (vm) { + nsView* root = vm->GetRootView(); + if (root) { + root->List(out); + } + } else { + fputs("null view manager\n", out); + } +#endif // DEBUG +} + +NS_IMETHODIMP +nsLayoutDebuggingTools::DumpViews() { + NS_ENSURE_TRUE(mDocShell, NS_ERROR_NOT_INITIALIZED); + DumpViewsRecur(mDocShell, stdout); + return NS_OK; +} + +NS_IMETHODIMP +nsLayoutDebuggingTools::DumpCounterManager() { + NS_ENSURE_TRUE(mDocShell, NS_ERROR_NOT_INITIALIZED); + if (PresShell* presShell = GetPresShell(mDocShell)) { + presShell->FrameConstructor()->GetContainStyleScopeManager().DumpCounters(); + } + return NS_OK; +} + +NS_IMETHODIMP +nsLayoutDebuggingTools::DumpStyleSheets() { + NS_ENSURE_TRUE(mDocShell, NS_ERROR_NOT_INITIALIZED); +#if defined(DEBUG) || defined(MOZ_LAYOUT_DEBUGGER) + FILE* out = stdout; + if (PresShell* presShell = GetPresShell(mDocShell)) { + presShell->ListStyleSheets(out); + } else { + fputs("null pres shell\n", out); + } +#endif + return NS_OK; +} + +NS_IMETHODIMP nsLayoutDebuggingTools::DumpMatchedRules() { + NS_ENSURE_TRUE(mDocShell, NS_ERROR_NOT_INITIALIZED); + FILE* out = stdout; + if (PresShell* presShell = GetPresShell(mDocShell)) { + nsIFrame* root = presShell->GetRootFrame(); + if (root) { + root->ListWithMatchedRules(out); + } + } else { + fputs("null pres shell\n", out); + } + return NS_OK; +} + +NS_IMETHODIMP +nsLayoutDebuggingTools::DumpComputedStyles() { + NS_ENSURE_TRUE(mDocShell, NS_ERROR_NOT_INITIALIZED); +#ifdef DEBUG + FILE* out = stdout; + if (PresShell* presShell = GetPresShell(mDocShell)) { + presShell->ListComputedStyles(out); + } else { + fputs("null pres shell\n", out); + } +#endif + return NS_OK; +} + +NS_IMETHODIMP +nsLayoutDebuggingTools::DumpReflowStats() { + NS_ENSURE_TRUE(mDocShell, NS_ERROR_NOT_INITIALIZED); +#ifdef DEBUG + if (RefPtr presShell = GetPresShell(mDocShell)) { +# ifdef MOZ_REFLOW_PERF + presShell->DumpReflows(); +# else + printf("************************************************\n"); + printf("Sorry, you have not built with MOZ_REFLOW_PERF=1\n"); + printf("************************************************\n"); +# endif + } +#endif + return NS_OK; +} + +nsresult nsLayoutDebuggingTools::ForceRefresh() { + RefPtr vm(view_manager(mDocShell)); + if (!vm) return NS_OK; + nsView* root = vm->GetRootView(); + if (root) { + vm->InvalidateView(root); + } + return NS_OK; +} + +nsresult nsLayoutDebuggingTools::SetBoolPrefAndRefresh(const char* aPrefName, + bool aNewVal) { + NS_ENSURE_TRUE(mDocShell, NS_ERROR_NOT_INITIALIZED); + + nsIPrefService* prefService = Preferences::GetService(); + NS_ENSURE_TRUE(prefService && aPrefName, NS_OK); + + Preferences::SetBool(aPrefName, aNewVal); + prefService->SavePrefFile(nullptr); + + ForceRefresh(); + + return NS_OK; +} diff --git a/layout/tools/layout-debug/src/nsLayoutDebuggingTools.h b/layout/tools/layout-debug/src/nsLayoutDebuggingTools.h new file mode 100644 index 0000000000..f6b37fecfb --- /dev/null +++ b/layout/tools/layout-debug/src/nsLayoutDebuggingTools.h @@ -0,0 +1,30 @@ +/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ +// vim:cindent:tabstop=4:expandtab:shiftwidth=4: +/* 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/. */ + +#ifndef nsLayoutDebuggingTools_h +#define nsLayoutDebuggingTools_h + +#include "nsILayoutDebuggingTools.h" +#include "nsIDocShell.h" +#include "nsCOMPtr.h" + +class nsLayoutDebuggingTools : public nsILayoutDebuggingTools { + public: + nsLayoutDebuggingTools(); + + NS_DECL_ISUPPORTS + + NS_DECL_NSILAYOUTDEBUGGINGTOOLS + + protected: + virtual ~nsLayoutDebuggingTools(); + + nsresult SetBoolPrefAndRefresh(const char* aPrefName, bool aNewValue); + + nsCOMPtr mDocShell; +}; + +#endif -- cgit v1.2.3