DO NOT SUBMIT: Bundle IME-related messages into one for batch edit

third_party/WebKit/Source/web/WebViewImpl.cpp

 /*
  * Copyright (C) 2011, 2012 Google 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:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 2377 matching lines @@
     if (WebPlugin* plugin = focusedPluginIfInputMethodSupported(focused))
         return plugin->confirmComposition(text, selectionBehavior);
 
     // TODO(xiaochengh): The use of updateStyleAndLayoutIgnorePendingStylesheets
     // needs to be audited.  See http://crbug.com/590369 for more details.
     focused->document()->updateStyleAndLayoutIgnorePendingStylesheets();
 
     return focused->inputMethodController().confirmCompositionOrInsertText(text, selectionBehavior == KeepSelection ? InputMethodController::KeepSelection : InputMethodController::DoNotKeepSelection);
 }
 
+bool WebViewImpl::setEditableSelectionOffsets(int start, int end)
+{
+    TRACE_EVENT0("blink", "WebViewImpl::setEditableSelectionOffsets");
+    LocalFrame* focused = focusedLocalFrameAvailableForIme();
+    if (!focused)
+        return false;
+    // TODO(xiaochengh): The use of updateStyleAndLayoutIgnorePendingStylesheets
+    // needs to be audited.  See http://crbug.com/590369 for more details.
+    focused->document()->updateStyleAndLayoutIgnorePendingStylesheets();
+
+    return focused->inputMethodController().setEditableSelectionOffsets(PlainTextRange(start, end));
+}
+
+bool WebViewImpl::setCompositionFromExistingText(int compositionStart, int compositionEnd, const WebVector<WebCompositionUnderline>& underlines)
+{
+    TRACE_EVENT0("blink", "WebViewImpl::setCompositionFromExistingText");
+
+    LocalFrame* focused = focusedLocalFrameAvailableForIme();
+    if (!focused)
+        return false;
+    if (!focused->editor().canEdit())
+        return false;
+    InputMethodController& inputMethodController = focused->inputMethodController();
+    inputMethodController.cancelComposition();
+
+    if (compositionStart == compositionEnd)
+        return true;
+
+    // TODO(xiaochengh): The use of updateStyleAndLayoutIgnorePendingStylesheets
+    // needs to be audited.  See http://crbug.com/590369 for more details.
+    focused->document()->updateStyleAndLayoutIgnorePendingStylesheets();
+
+    inputMethodController.setCompositionFromExistingText(CompositionUnderlineVectorBuilder(underlines), compositionStart, compositionEnd);
+
+    return true;
+}
+
+void WebViewImpl::extendSelectionAndDelete(int before, int after)
+{
+    TRACE_EVENT0("blink", "WebViewImpl::extendSelectionAndDelete");
+    LocalFrame* focused = focusedLocalFrameAvailableForIme();
+    if (!focused)
+        return;
+
+    if (WebPlugin* plugin = focusedPluginIfInputMethodSupported(focused)) {
+        plugin->extendSelectionAndDelete(before, after);
+        return;
+    }
+
+    // TODO(xiaochengh): The use of updateStyleAndLayoutIgnorePendingStylesheets
+    // needs to be audited.  See http://crbug.com/590369 for more details.
+    focused->document()->updateStyleAndLayoutIgnorePendingStylesheets();
+
+    focused->inputMethodController().extendSelectionAndDelete(before, after);
+}
+
 WebRange WebViewImpl::compositionRange()
 {
     LocalFrame* focused = focusedLocalFrameAvailableForIme();
     if (!focused)
         return WebRange();
 
     const EphemeralRange range = focused->inputMethodController().compositionEphemeralRange();
     if (range.isNull())
         return WebRange();
 
@@ skipping 2183 matching lines @@
         return nullptr;
     return focusedFrame;
 }
 
 LocalFrame* WebViewImpl::focusedLocalFrameAvailableForIme() const
 {
     return m_imeAcceptEvents ? focusedLocalFrameInWidget() : nullptr;
 }
 
 } // namespace blink