Introduce WebInputMethodController to blink

third_party/WebKit/Source/web/WebViewImpl.h

 /*
  * Copyright (C) 2010 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 66 matching lines @@
 class FullscreenController;
 class InspectorOverlay;
 class LinkHighlightImpl;
 class PageOverlay;
 class PageScaleConstraintsSet;
 class PaintLayerCompositor;
 class UserGestureToken;
 class WebActiveGestureAnimation;
 class WebDevToolsAgentImpl;
 class WebElement;
+class WebInputMethodControllerImpl;
 class WebLayerTreeView;
 class WebLocalFrame;
 class WebLocalFrameImpl;
 class WebImage;
 class CompositorMutatorImpl;
 class WebPagePopupImpl;
 class WebPlugin;
 class WebRemoteFrame;
 class WebSelection;
 class WebSettingsImpl;
@@ skipping 32 matching lines @@
   void setCursorVisibilityState(bool isVisible) override;
   bool hasTouchEventHandlersAt(const WebPoint&) override;
 
   void applyViewportDeltas(const WebFloatSize& visualViewportDelta,
                            const WebFloatSize& layoutViewportDelta,
                            const WebFloatSize& elasticOverscrollDelta,
                            float pageScaleDelta,
                            float browserControlsShownRatioDelta) override;
   void mouseCaptureLost() override;
   void setFocus(bool enable) override;
-  bool setComposition(const WebString& text,
-                      const WebVector<WebCompositionUnderline>& underlines,
-                      int selectionStart,
-                      int selectionEnd) override;
-  bool commitText(const WebString& text, int relativeCaretPosition) override;
-  bool finishComposingText(
-      ConfirmCompositionBehavior selectionBehavior) override;
   WebRange compositionRange() override;
   WebTextInputInfo textInputInfo() override;
   WebTextInputType textInputType() override;
   WebColor backgroundColor() const override;
   WebPagePopup* pagePopup() const override;
   bool selectionBounds(WebRect& anchor, WebRect& focus) const override;
   bool selectionTextDirection(WebTextDirection& start,
                               WebTextDirection& end) const override;
   bool isSelectionAnchorFirst() const override;
   WebRange caretOrSelectionRange() override;
@@ skipping 349 matching lines @@
   FloatSize elasticOverscroll() const { return m_elasticOverscroll; }
 
   bool isTransparent() const;
   void setIsTransparent(bool value);
 
   double lastFrameTimeMonotonic() const { return m_lastFrameTimeMonotonic; }
 
   ChromeClientImpl& chromeClient() const { return *m_chromeClientImpl.get(); }
 
  private:
+  // Returns the currently active WebInputMethodController which the one
+  // corresponding to the focused frame. It will return nullptr if there are
+  // none or |m_imeAcceptEvents| is false.
+  WebInputMethodControllerImpl* getActiveWebInputMethodController() const;
+
   InspectorOverlay* inspectorOverlay();
 
   void setPageScaleFactorAndLocation(float, const FloatPoint&);
   void propagateZoomFactorToLocalFrameRoots(Frame*, float);
 
   void scrollAndRescaleViewports(float scaleFactor,
                                  const IntPoint& mainFrameOrigin,
                                  const FloatPoint& visualViewportOrigin);
 
   float maximumLegiblePageScale() const;
@@ skipping 237 matching lines @@
   Persistent<ResizeViewportAnchor> m_resizeViewportAnchor;
 };
 
 // We have no ways to check if the specified WebView is an instance of
 // WebViewImpl because WebViewImpl is the only implementation of WebView.
 DEFINE_TYPE_CASTS(WebViewImpl, WebView, webView, true, true);
 
 }  // namespace blink
 
 #endif