[InputEvent] Introduce temporary flag |BeforeInputTiming| (1/11)

third_party/WebKit/Source/core/editing/commands/CompositeEditCommand.cpp

 /*
  * Copyright (C) 2005, 2006, 2007, 2008 Apple Inc. All rights reserved.
  *
  * 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
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 89 matching lines @@
 bool EditCommandComposition::belongsTo(const LocalFrame& frame) const {
   DCHECK(m_document);
   return m_document->frame() == &frame;
 }
 
 void EditCommandComposition::unapply(EditCommandSource source) {
   DCHECK(m_document);
   LocalFrame* frame = m_document->frame();
   DCHECK(frame);
 
-  if (!willUnapply(source))
+  if (!willUnapply(source, BeforeInputTiming::kHasFiredBeforeCommand))
     return;
 
   // Changes to the document may have been made since the last editing operation
   // that require a layout, as in <rdar://problem/5658603>. Low level
   // operations, like RemoveNodeCommand, don't require a layout because the high
   // level operations that use them perform one if one is necessary (like for
   // the creation of VisiblePositions).
   m_document->updateStyleAndLayoutIgnorePendingStylesheets();
 
   {
     size_t size = m_commands.size();
     for (size_t i = size; i; --i)
       m_commands[i - 1]->doUnapply();
   }
 
   frame->editor().unappliedEditing(this);
 }
 
 void EditCommandComposition::reapply(EditCommandSource source) {
   DCHECK(m_document);
   LocalFrame* frame = m_document->frame();
   DCHECK(frame);
 
-  if (!willReapply(source))
+  if (!willReapply(source, BeforeInputTiming::kHasFiredBeforeCommand))
     return;
 
   // Changes to the document may have been made since the last editing operation
   // that require a layout, as in <rdar://problem/5658603>. Low level
   // operations, like RemoveNodeCommand, don't require a layout because the high
   // level operations that use them perform one if one is necessary (like for
   // the creation of VisiblePositions).
   m_document->updateStyleAndLayoutIgnorePendingStylesheets();
 
   {
     for (const auto& command : m_commands)
       command->doReapply();
   }
 
   frame->editor().reappliedEditing(this);
 }
 
-bool EditCommandComposition::willUnapply(EditCommandSource) {
+bool EditCommandComposition::willUnapply(EditCommandSource, BeforeInputTiming) {
   // TODO(chongz): Fire 'beforeinput' for 'historyUndo'.
   return true;
 }
 
-bool EditCommandComposition::willReapply(EditCommandSource) {
+bool EditCommandComposition::willReapply(EditCommandSource, BeforeInputTiming) {
   // TODO(chongz): Fire 'beforeinput' for 'historyRedo'.
   return true;
 }
 
 void EditCommandComposition::append(SimpleEditCommand* command) {
   m_commands.push_back(command);
 }
 
 void EditCommandComposition::append(EditCommandComposition* composition) {
   m_commands.appendVector(composition->m_commands);
@@ skipping 21 matching lines @@
   UndoStep::trace(visitor);
 }
 
 CompositeEditCommand::CompositeEditCommand(Document& document)
     : EditCommand(document) {}
 
 CompositeEditCommand::~CompositeEditCommand() {
   DCHECK(isTopLevelCommand() || !m_composition);
 }
 
-bool CompositeEditCommand::apply(EditCommandSource source) {
+bool CompositeEditCommand::apply(EditCommandSource source,
+                                 BeforeInputTiming beforeInputTiming) {
   DCHECK(!isCommandGroupWrapper());
   if (!endingSelection().isContentRichlyEditable()) {
     switch (inputType()) {
       case InputEvent::InputType::InsertText:
       case InputEvent::InputType::InsertLineBreak:
       case InputEvent::InputType::InsertParagraph:
       case InputEvent::InputType::InsertFromPaste:
       case InputEvent::InputType::InsertFromDrop:
       case InputEvent::InputType::InsertReplacementText:
       case InputEvent::InputType::DeleteComposedCharacterForward:
@@ skipping 15 matching lines @@
   }
   ensureComposition();
 
   // Changes to the document may have been made since the last editing operation
   // that require a layout, as in <rdar://problem/5658603>. Low level
   // operations, like RemoveNodeCommand, don't require a layout because the high
   // level operations that use them perform one if one is necessary (like for
   // the creation of VisiblePositions).
   document().updateStyleAndLayoutIgnorePendingStylesheets();
 
-  if (!willApplyEditing(source))
+  if (!willApplyEditing(source, beforeInputTiming))
     return false;
 
   LocalFrame* frame = document().frame();
   DCHECK(frame);
   EditingState editingState;
   {
     EventQueueScope eventQueueScope;
     doApply(&editingState);
   }
 
   // Only need to call appliedEditing for top-level commands, and TypingCommands
   // do it on their own (see TypingCommand::typingAddedToOpenCommand).
   if (!isTypingCommand())
     frame->editor().appliedEditing(this);
   setShouldRetainAutocorrectionIndicator(false);
   return !editingState.isAborted();
 }
 
 EditCommandComposition* CompositeEditCommand::ensureComposition() {
   CompositeEditCommand* command = this;
   while (command && command->parent())
     command = command->parent();
   if (!command->m_composition) {
     command->m_composition = EditCommandComposition::create(
         &document(), startingSelection(), endingSelection());
   }
   return command->m_composition.get();
 }
 
-bool CompositeEditCommand::willApplyEditing(EditCommandSource) {
+bool CompositeEditCommand::willApplyEditing(EditCommandSource,
+                                            BeforeInputTiming) {
   // TODO(chongz): Move all the 'beforeinput' dispatching logic here.
   return true;
 }
 
 bool CompositeEditCommand::preservesTypingStyle() const {
   return false;
 }
 
 bool CompositeEditCommand::isTypingCommand() const {
   return false;
@@ skipping 1771 matching lines @@
   return node;
 }
 
 DEFINE_TRACE(CompositeEditCommand) {
   visitor->trace(m_commands);
   visitor->trace(m_composition);
   EditCommand::trace(visitor);
 }
 
 }  // namespace blink