Introduce WebInputMethodController to blink

third_party/WebKit/Source/web/WebInputMethodControllerImpl.h

 /*
  * Copyright (C) 2016 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 10 matching lines @@
  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
-#ifndef DOMVisualViewport_h
-#define DOMVisualViewport_h
+#ifndef WebInputMethodControllerImpl_h
+#define WebInputMethodControllerImpl_h
 
-#include "bindings/core/v8/ScriptWrappable.h"
-#include "core/dom/ExecutionContext.h"
-#include "core/events/EventTarget.h"
 #include "platform/heap/Handle.h"
+#include "public/web/WebCompositionUnderline.h"
+#include "public/web/WebInputMethodController.h"
 
 namespace blink {
 
-class LocalDOMWindow;
-class ExecutionContext;
+class InputMethodController;
+class LocalFrame;
+class WebLocalFrameImpl;
+class WebPlugin;
+class WebString;
 
-class DOMVisualViewport final : public EventTargetWithInlineData {
-    DEFINE_WRAPPERTYPEINFO();
+class WebInputMethodControllerImpl : public WebInputMethodController {
+    WTF_MAKE_NONCOPYABLE(WebInputMethodControllerImpl);
+
 public:
-    static DOMVisualViewport* create(LocalDOMWindow* window)
-    {
-        return new DOMVisualViewport(window);
-    }
+    explicit WebInputMethodControllerImpl(WebLocalFrameImpl* ownerFrame);
+    ~WebInputMethodControllerImpl() override;
 
-    ~DOMVisualViewport() override;
+    static WebInputMethodControllerImpl* fromFrame(LocalFrame*);
 
-    DECLARE_VIRTUAL_TRACE();
+    // WebInputMethodController overrides.
+    bool setComposition(
+        const WebString& text,
+        const WebVector<WebCompositionUnderline>& underlines,
+        int selectionStart, int selectionEnd) override;
 
-    // EventTarget overrides:
-    const AtomicString& interfaceName() const override;
-    ExecutionContext* getExecutionContext() const override;
+    // Used to ask the WebInputMethodController to either delete and ongoing
+    // composition, or insert the specified text, or move the caret according to
+    // relativeCaretPosition.
+    bool commitText(const WebString& text, int relativeCaretPosition) override;
 
-    double scrollLeft();
-    double scrollTop();
-    double pageX();
-    double pageY();
-    double clientWidth();
-    double clientHeight();
-    double scale();
+    // Called to ask the WebInputMethodController to confirm an ongoing
+    // composition.
+    bool finishComposingText(ConfirmCompositionBehavior selectionBehavior) override;
+
+    void setSuppressNextKeypressEvent(bool suppress) { m_suppressNextKeypressEvent = suppress; }
+
+    DECLARE_TRACE();
 
 private:
-    explicit DOMVisualViewport(LocalDOMWindow*);
+    LocalFrame* frame() const;
+    InputMethodController& inputMethodController() const;
+    WebPlugin* focusedPluginIfInputMethodSupported() const;
 
-    Member<LocalDOMWindow> m_window;
+    WeakMember<WebLocalFrameImpl> m_webLocalFrame;
+    bool m_suppressNextKeypressEvent;
 };
-
 } // namespace blink
 
-#endif // DOMVisualViewport_h
+#endif