diff options
Diffstat (limited to 'layout/tools/layout-debug/src/nsLayoutDebuggingTools.cpp')
| -rw-r--r-- | layout/tools/layout-debug/src/nsLayoutDebuggingTools.cpp | 327 |
1 files changed, 327 insertions, 0 deletions
diff --git a/layout/tools/layout-debug/src/nsLayoutDebuggingTools.cpp b/layout/tools/layout-debug/src/nsLayoutDebuggingTools.cpp new file mode 100644 index 0000000000..72bb48f5d4 --- /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 "nsIContentViewer.h" +#include "nsIPrintSettings.h" +#include "nsIPrintSettingsService.h" + +#include "nsAtom.h" +#include "nsQuickSort.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<nsIContentViewer> doc_viewer(nsIDocShell* aDocShell) { + if (!aDocShell) return nullptr; + nsCOMPtr<nsIContentViewer> result; + aDocShell->GetContentViewer(getter_AddRefs(result)); + return result.forget(); +} + +static PresShell* GetPresShell(nsIDocShell* aDocShell) { + nsCOMPtr<nsIContentViewer> cv = doc_viewer(aDocShell); + if (!cv) return nullptr; + return cv->GetPresShell(); +} + +static nsViewManager* view_manager(nsIDocShell* aDocShell) { + PresShell* presShell = GetPresShell(aDocShell); + if (!presShell) { + return nullptr; + } + return presShell->GetViewManager(); +} + +#ifdef DEBUG +static already_AddRefed<Document> document(nsIDocShell* aDocShell) { + nsCOMPtr<nsIContentViewer> cv(doc_viewer(aDocShell)); + if (!cv) return nullptr; + RefPtr<Document> result = cv->GetDocument(); + return result.forget(); +} +#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<nsIPrintSettingsService> printSettingsService = + do_GetService("@mozilla.org/gfx/printsettings-service;1"); + nsCOMPtr<nsIPrintSettings> 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<nsIContentViewer> contentViewer(doc_viewer(mDocShell)); + contentViewer->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<void*>(aDocShell)); + RefPtr<Document> 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<void*>(aDocShell)); + RefPtr<nsViewManager> 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> 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<nsViewManager> 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; +} |