Oilpan: move editing objects to the heap.

Source/core/editing/Editor.cpp

 /*
  * Copyright (C) 2006, 2007, 2008, 2011 Apple Inc. All rights reserved.
  * Copyright (C) 2008 Nokia Corporation and/or its subsidiary(-ies)
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
@@ skipping 632 matching lines @@
         EditingStyle::styleAtSelectionStart(m_frame.selection().selection(), propertyID == CSSPropertyBackgroundColor).get());
 }
 
 TriState Editor::selectionHasStyle(CSSPropertyID propertyID, const String& value) const
 {
     return EditingStyle::create(propertyID, value)->triStateOfStyle(m_frame.selection().selection());
 }
 
 String Editor::selectionStartCSSPropertyValue(CSSPropertyID propertyID)
 {
-    RefPtr<EditingStyle> selectionStyle = EditingStyle::styleAtSelectionStart(m_frame.selection().selection(),
+    RefPtrWillBeRawPtr<EditingStyle> selectionStyle = EditingStyle::styleAtSelectionStart(m_frame.selection().selection(),
         propertyID == CSSPropertyBackgroundColor);
     if (!selectionStyle || !selectionStyle->style())
         return String();
 
     if (propertyID == CSSPropertyFontSize)
         return String::number(selectionStyle->legacyFontSize(m_frame.document()));
     return selectionStyle->style()->getPropertyValue(propertyID);
 }
 
 void Editor::indent()
 {
     ASSERT(m_frame.document());
     IndentOutdentCommand::create(*m_frame.document(), IndentOutdentCommand::Indent)->apply();
 }
 
 void Editor::outdent()
 {
     ASSERT(m_frame.document());
     IndentOutdentCommand::create(*m_frame.document(), IndentOutdentCommand::Outdent)->apply();
 }
 
-static void dispatchEditableContentChangedEvents(PassRefPtr<Element> startRoot, PassRefPtr<Element> endRoot)
+static void dispatchEditableContentChangedEvents(PassRefPtrWillBeRawPtr<Element> startRoot, PassRefPtrWillBeRawPtr<Element> endRoot)
 {
     if (startRoot)
         startRoot->dispatchEvent(Event::create(EventTypeNames::webkitEditableContentChanged), IGNORE_EXCEPTION);
     if (endRoot && endRoot != startRoot)
         endRoot->dispatchEvent(Event::create(EventTypeNames::webkitEditableContentChanged), IGNORE_EXCEPTION);
 }
 
-void Editor::appliedEditing(PassRefPtr<CompositeEditCommand> cmd)
+void Editor::appliedEditing(PassRefPtrWillBeRawPtr<CompositeEditCommand> cmd)
 {
     EventQueueScope scope;
     m_frame.document()->updateLayout();
 
     EditCommandComposition* composition = cmd->composition();
     ASSERT(composition);
     dispatchEditableContentChangedEvents(composition->startingRootEditableElement(), composition->endingRootEditableElement());
     VisibleSelection newSelection(cmd->endingSelection());
 
     // Don't clear the typing style with this selection change. We do those things elsewhere if necessary.
     changeSelectionAfterCommand(newSelection, 0);
 
     if (!cmd->preservesTypingStyle())
         m_frame.selection().clearTypingStyle();
 
     // Command will be equal to last edit command only in the case of typing
     if (m_lastEditCommand.get() == cmd) {
         ASSERT(cmd->isTypingCommand());
     } else {
         // Only register a new undo command if the command passed in is
         // different from the last command
         m_lastEditCommand = cmd;
         if (UndoStack* undoStack = this->undoStack())
             undoStack->registerUndoStep(m_lastEditCommand->ensureComposition());
     }
 
     respondToChangedContents(newSelection);
 }
 
-void Editor::unappliedEditing(PassRefPtr<EditCommandComposition> cmd)
+void Editor::unappliedEditing(PassRefPtrWillBeRawPtr<EditCommandComposition> cmd)
 {
     EventQueueScope scope;
     m_frame.document()->updateLayout();
 
     dispatchEditableContentChangedEvents(cmd->startingRootEditableElement(), cmd->endingRootEditableElement());
 
     VisibleSelection newSelection(cmd->startingSelection());
     changeSelectionAfterCommand(newSelection, FrameSelection::CloseTyping | FrameSelection::ClearTypingStyle);
 
     m_lastEditCommand = nullptr;
     if (UndoStack* undoStack = this->undoStack())
         undoStack->registerRedoStep(cmd);
     respondToChangedContents(newSelection);
 }
 
-void Editor::reappliedEditing(PassRefPtr<EditCommandComposition> cmd)
+void Editor::reappliedEditing(PassRefPtrWillBeRawPtr<EditCommandComposition> cmd)
 {
     EventQueueScope scope;
     m_frame.document()->updateLayout();
 
     dispatchEditableContentChangedEvents(cmd->startingRootEditableElement(), cmd->endingRootEditableElement());
 
     VisibleSelection newSelection(cmd->endingSelection());
     changeSelectionAfterCommand(newSelection, FrameSelection::CloseTyping | FrameSelection::ClearTypingStyle);
 
     m_lastEditCommand = nullptr;
     if (UndoStack* undoStack = this->undoStack())
         undoStack->registerUndoStep(cmd);
     respondToChangedContents(newSelection);
 }
 
-PassOwnPtr<Editor> Editor::create(LocalFrame& frame)
+PassOwnPtrWillBeRawPtr<Editor> Editor::create(LocalFrame& frame)
 {
-    return adoptPtr(new Editor(frame));
+    return adoptPtrWillBeNoop(new Editor(frame));
 }
 
 Editor::Editor(LocalFrame& frame)
     : m_frame(frame)
     , m_preventRevealSelection(0)
     , m_shouldStartNewKillRingSequence(false)
     // This is off by default, since most editors want this behavior (this matches IE but not FF).
     , m_shouldStyleWithCSS(false)
     , m_killRing(adoptPtr(new KillRing))
     , m_areMarkedTextMatchesHighlighted(false)
@@ skipping 28 matching lines @@
         return false;
 
     spellChecker().updateMarkersForWordsAffectedByEditing(isSpaceOrNewline(text[0]));
 
     // Get the selection to use for the event that triggered this insertText.
     // If the event handler changed the selection, we may want to use a different selection
     // that is contained in the event target.
     selection = selectionForCommand(triggeringEvent);
     if (selection.isContentEditable()) {
         if (Node* selectionStart = selection.start().deprecatedNode()) {
-            RefPtr<Document> document(selectionStart->document());
+            RefPtrWillBeRawPtr<Document> document(selectionStart->document());
 
             // Insert the text
             TypingCommand::Options options = 0;
             if (selectInsertedText)
                 options |= TypingCommand::SelectInsertedText;
             TypingCommand::insertText(*document.get(), text, selection, options, triggeringEvent && triggeringEvent->isComposition() ? TypingCommand::TextCompositionConfirm : TypingCommand::TextCompositionNone);
 
             // Reveal the current selection
             if (LocalFrame* editedFrame = document->frame()) {
                 if (Page* page = editedFrame->page())
@@ skipping 269 matching lines @@
 }
 
 void Editor::computeAndSetTypingStyle(StylePropertySet* style, EditAction editingAction)
 {
     if (!style || style->isEmpty()) {
         m_frame.selection().clearTypingStyle();
         return;
     }
 
     // Calculate the current typing style.
-    RefPtr<EditingStyle> typingStyle;
+    RefPtrWillBeRawPtr<EditingStyle> typingStyle = nullptr;
     if (m_frame.selection().typingStyle()) {
         typingStyle = m_frame.selection().typingStyle()->copy();
         typingStyle->overrideWithStyle(style);
     } else {
         typingStyle = EditingStyle::create(style);
     }
 
     typingStyle->prepareToApplyAt(m_frame.selection().selection().visibleStart().deepEquivalent(), EditingStyle::PreserveWritingDirection);
 
     // Handle block styles, substracting these from the typing style.
-    RefPtr<EditingStyle> blockStyle = typingStyle->extractAndRemoveBlockProperties();
+    RefPtrWillBeRawPtr<EditingStyle> blockStyle = typingStyle->extractAndRemoveBlockProperties();
     if (!blockStyle->isEmpty()) {
         ASSERT(m_frame.document());
         ApplyStyleCommand::create(*m_frame.document(), blockStyle.get(), editingAction)->apply();
     }
 
     // Set the remaining style as the typing style.
     m_frame.selection().setTypingStyle(typingStyle);
 }
 
 bool Editor::findString(const String& target, bool forward, bool caseFlag, bool wrapFlag, bool startInSelection)
@@ skipping 120 matching lines @@
 {
     return m_frame.spellChecker();
 }
 
 void Editor::toggleOverwriteModeEnabled()
 {
     m_overwriteModeEnabled = !m_overwriteModeEnabled;
     frame().selection().setShouldShowBlockCursor(m_overwriteModeEnabled);
 }
 
+void Editor::trace(Visitor* visitor)
+{
+    visitor->trace(m_lastEditCommand);
+    visitor->trace(m_mark);
+}
+
 } // namespace WebCore