[InputEvent] Move 'beforeinput' logic into |CompositeEditCommand::willApplyEditing()| (3/3)

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

Index: third_party/WebKit/Source/core/editing/commands/EditorCommand.cpp
diff --git a/third_party/WebKit/Source/core/editing/commands/EditorCommand.cpp b/third_party/WebKit/Source/core/editing/commands/EditorCommand.cpp
index da67f2e09b2b17bd4384ac0f8785146477f2e336..33fb0eb9ffd9425ef1ca3c82ef99dee35ed800ec 100644
--- a/third_party/WebKit/Source/core/editing/commands/EditorCommand.cpp
+++ b/third_party/WebKit/Source/core/editing/commands/EditorCommand.cpp
@@ -69,6 +69,7 @@
 #include "platform/scroll/Scrollbar.h"
 #include "public/platform/Platform.h"
 #include "public/platform/WebEditingCommandType.h"
+#include "wtf/AutoReset.h"
 #include "wtf/StringExtras.h"
 #include "wtf/text/AtomicString.h"
 
@@ -109,105 +110,6 @@ WebEditingCommandType WebEditingCommandTypeFromCommandName(
   return WebEditingCommandType::Invalid;
 }
 
-// |frame| is only used for |InsertNewline| due to how |executeInsertNewline()|
-// works.
-InputEvent::InputType InputTypeFromCommandType(
-    WebEditingCommandType commandType,
-    LocalFrame& frame) {
-  // We only handle InputType on spec for 'beforeinput'.
-  // http://w3c.github.io/editing/input-events.html
-  using CommandType = WebEditingCommandType;
-  using InputType = InputEvent::InputType;
-
-  // |executeInsertNewline()| could do two things but we have no other ways to
-  // predict.
-  if (commandType == CommandType::InsertNewline)
-    return frame.editor().canEditRichly() ? InputType::InsertParagraph
-                                          : InputType::InsertLineBreak;
-
-  switch (commandType) {
-    // Insertion.
-    case CommandType::InsertBacktab:
-    case CommandType::InsertText:
-      return InputType::InsertText;
-    case CommandType::InsertLineBreak:
-      return InputType::InsertLineBreak;
-    case CommandType::InsertParagraph:
-    case CommandType::InsertNewlineInQuotedContent:
-      return InputType::InsertParagraph;
-    case CommandType::InsertHorizontalRule:
-      return InputType::InsertHorizontalRule;
-    case CommandType::InsertOrderedList:
-      return InputType::InsertOrderedList;
-    case CommandType::InsertUnorderedList:
-      return InputType::InsertUnorderedList;
-
-    // Deletion.
-    case CommandType::Delete:
-    case CommandType::DeleteBackward:
-    case CommandType::DeleteBackwardByDecomposingPreviousCharacter:
-      return InputType::DeleteContentBackward;
-    case CommandType::DeleteForward:
-      return InputType::DeleteContentForward;
-    case CommandType::DeleteToBeginningOfLine:
-      return InputType::DeleteLineBackward;
-    case CommandType::DeleteToEndOfLine:
-      return InputType::DeleteLineForward;
-    case CommandType::DeleteWordBackward:
-      return InputType::DeleteWordBackward;
-    case CommandType::DeleteWordForward:
-      return InputType::DeleteWordForward;
-    // TODO(chongz): Find appreciate InputType for following commands.
-    case CommandType::DeleteToBeginningOfParagraph:
-    case CommandType::DeleteToEndOfParagraph:
-    case CommandType::DeleteToMark:
-      return InputType::None;
-
-    // Command.
-    case CommandType::Undo:
-      return InputType::HistoryUndo;
-    case CommandType::Redo:
-      return InputType::HistoryRedo;
-    // Cut and Paste will be handled in |Editor::dispatchCPPEvent()|.
-
-    // Styling.
-    case CommandType::Bold:
-    case CommandType::ToggleBold:
-      return InputType::FormatBold;
-    case CommandType::Italic:
-    case CommandType::ToggleItalic:
-      return InputType::FormatItalic;
-    case CommandType::Underline:
-    case CommandType::ToggleUnderline:
-      return InputType::FormatUnderline;
-    case CommandType::Strikethrough:
-      return InputType::FormatStrikeThrough;
-    case CommandType::Superscript:
-      return InputType::FormatSuperscript;
-    case CommandType::Subscript:
-      return InputType::FormatSubscript;
-    default:
-      return InputType::None;
-  }
-}
-
-RangeVector* RangesFromCurrentSelectionOrExtendCaret(
-    const LocalFrame& frame,
-    SelectionDirection direction,
-    TextGranularity granularity) {
-  frame.document()->updateStyleAndLayoutIgnorePendingStylesheets();
-  SelectionModifier selectionModifier(frame, frame.selection().selection());
-  if (selectionModifier.selection().isCaret())
-    selectionModifier.modify(FrameSelection::AlterationExtend, direction,
-                             granularity);
-  RangeVector* ranges = new RangeVector;
-  // We only supports single selections.
-  if (selectionModifier.selection().isNone())
-    return ranges;
-  ranges->append(firstRangeOf(selectionModifier.selection()));
-  return ranges;
-}
-
 }  // anonymous namespace
 
 class EditorInternalCommand {
@@ -2637,20 +2539,8 @@ bool Editor::Command::execute(const String& parameter,
       return false;
   }
 
-  if (m_source == CommandFromMenuOrKeyBinding) {
-    InputEvent::InputType inputType =
-        InputTypeFromCommandType(m_command->commandType, *m_frame);
-    if (inputType != InputEvent::InputType::None) {
-      if (dispatchBeforeInputEditorCommand(
-              eventTargetNodeForDocument(m_frame->document()), inputType,
-              getTargetRanges()) != DispatchEventResult::NotCanceled)
-        return true;
-    }
-  }
-
-  // 'beforeinput' event handler may destroy target frame.
-  if (m_frame->document()->frame() != m_frame)
-    return false;
+  AutoReset<bool> resetCommandSource(
+      &m_frame->editor().m_executingCommandFromDOM, m_source == CommandFromDOM);
 
   frame().document()->updateStyleAndLayoutIgnorePendingStylesheets();
   DEFINE_STATIC_LOCAL(SparseHistogram, commandHistogram,
@@ -2706,39 +2596,4 @@ int Editor::Command::idForHistogram() const {
   return isSupported() ? static_cast<int>(m_command->commandType) : 0;
 }
 
-RangeVector* Editor::Command::getTargetRanges() const {
-  if (!isSupported() || !m_frame)
-    return nullptr;
-
-  switch (m_command->commandType) {
-    case WebEditingCommandType::Delete:
-    case WebEditingCommandType::DeleteBackward:
-      return RangesFromCurrentSelectionOrExtendCaret(
-          *m_frame, DirectionBackward, CharacterGranularity);
-    case WebEditingCommandType::DeleteForward:
-      return RangesFromCurrentSelectionOrExtendCaret(*m_frame, DirectionForward,
-                                                     CharacterGranularity);
-    case WebEditingCommandType::DeleteToBeginningOfLine:
-      return RangesFromCurrentSelectionOrExtendCaret(
-          *m_frame, DirectionBackward, LineGranularity);
-    case WebEditingCommandType::DeleteToBeginningOfParagraph:
-      return RangesFromCurrentSelectionOrExtendCaret(
-          *m_frame, DirectionBackward, ParagraphGranularity);
-    case WebEditingCommandType::DeleteToEndOfLine:
-      return RangesFromCurrentSelectionOrExtendCaret(*m_frame, DirectionForward,
-                                                     LineGranularity);
-    case WebEditingCommandType::DeleteToEndOfParagraph:
-      return RangesFromCurrentSelectionOrExtendCaret(*m_frame, DirectionForward,
-                                                     ParagraphGranularity);
-    case WebEditingCommandType::DeleteWordBackward:
-      return RangesFromCurrentSelectionOrExtendCaret(
-          *m_frame, DirectionBackward, WordGranularity);
-    case WebEditingCommandType::DeleteWordForward:
-      return RangesFromCurrentSelectionOrExtendCaret(*m_frame, DirectionForward,
-                                                     WordGranularity);
-    default:
-      return nullptr;
-  }
-}
-
 }  // namespace blink