Adding upstream version 86.0.1.upstream/86.0.1upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 334 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..7251c704ba
--- /dev/null
+++ b/layout/tools/layout-debug/src/nsLayoutDebuggingTools.cpp
@@ -0,0 +1,334 @@
+/* -*- 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 "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::SetVisualDebugging(bool aVisualDebugging) {
+#ifdef DEBUG
+  nsIFrame::ShowFrameBorders(aVisualDebugging);
+  ForceRefresh();
+#endif
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+nsLayoutDebuggingTools::SetVisualEventDebugging(bool aVisualEventDebugging) {
+#ifdef DEBUG
+  nsIFrame::ShowEventTargetFrameBorder(aVisualEventDebugging);
+  ForceRefresh();
+#endif
+  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->GetNewPrintSettings(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::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;
+}