Remove IME API from Blink

Source/core/html/ime/InputMethodContext.cpp

-/*
- * Copyright (C) 2013 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
- * copyright notice, this list of conditions and the following disclaimer
- * in the documentation and/or other materials provided with the
- * distribution.
- *     * Neither the name of Google Inc. nor the names of its
- * contributors may be used to endorse or promote products derived from
- * this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * 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.
- */
-
-#include "config.h"
-#include "core/html/ime/InputMethodContext.h"
-
-#include "core/dom/Document.h"
-#include "core/dom/Text.h"
-#include "core/editing/InputMethodController.h"
-#include "core/events/Event.h"
-#include "core/frame/LocalFrame.h"
-
-namespace blink {
-
-PassOwnPtrWillBeRawPtr<InputMethodContext> InputMethodContext::create(HTMLElement* element)
-{
-    return adoptPtrWillBeNoop(new InputMethodContext(element));
-}
-
-InputMethodContext::InputMethodContext(HTMLElement* element)
-    : m_element(element)
-{
-}
-
-InputMethodContext::~InputMethodContext()
-{
-}
-
-String InputMethodContext::locale() const
-{
-    // FIXME: Implement this.
-    return emptyString();
-}
-
-HTMLElement* InputMethodContext::target() const
-{
-    return m_element;
-}
-
-unsigned InputMethodContext::compositionStartOffset()
-{
-    if (hasFocus())
-        return inputMethodController().compositionStart();
-    return 0;
-}
-
-unsigned InputMethodContext::compositionEndOffset()
-{
-    if (hasFocus())
-        return inputMethodController().compositionEnd();
-    return 0;
-}
-
-void InputMethodContext::confirmComposition()
-{
-    if (hasFocus())
-        inputMethodController().confirmCompositionAndResetState();
-}
-
-bool InputMethodContext::hasFocus() const
-{
-    LocalFrame* frame = m_element->document().frame();
-    if (!frame)
-        return false;
-
-    const Element* element = frame->document()->focusedElement();
-    return element && element->isHTMLElement() && m_element == toHTMLElement(element);
-}
-
-String InputMethodContext::compositionText() const
-{
-    if (!hasFocus())
-        return emptyString();
-
-    Text* text = inputMethodController().compositionNode();
-    return text ? text->wholeText() : emptyString();
-}
-
-CompositionUnderline InputMethodContext::selectedSegment() const
-{
-    CompositionUnderline underline;
-    if (!hasFocus())
-        return underline;
-
-    const InputMethodController& controller = inputMethodController();
-    if (!controller.hasComposition())
-        return underline;
-
-    Vector<CompositionUnderline> underlines = controller.customCompositionUnderlines();
-    for (size_t i = 0; i < underlines.size(); ++i) {
-        if (underlines[i].thick)
-            return underlines[i];
-    }
-
-    // When no underline information is available while composition exists,
-    // build a CompositionUnderline whose element is the whole composition.
-    underline.endOffset = controller.compositionEnd() - controller.compositionStart();
-    return underline;
-
-}
-
-int InputMethodContext::selectionStart() const
-{
-    return selectedSegment().startOffset;
-}
-
-int InputMethodContext::selectionEnd() const
-{
-    return selectedSegment().endOffset;
-}
-
-const Vector<unsigned>& InputMethodContext::segments()
-{
-    m_segments.clear();
-    if (!hasFocus())
-        return m_segments;
-    const InputMethodController& controller = inputMethodController();
-    if (!controller.hasComposition())
-        return m_segments;
-
-    Vector<CompositionUnderline> underlines = controller.customCompositionUnderlines();
-    if (!underlines.size()) {
-        m_segments.append(0);
-    } else {
-        for (size_t i = 0; i < underlines.size(); ++i)
-            m_segments.append(underlines[i].startOffset);
-    }
-
-    return m_segments;
-}
-
-InputMethodController& InputMethodContext::inputMethodController() const
-{
-    return m_element->document().frame()->inputMethodController();
-}
-
-const AtomicString& InputMethodContext::interfaceName() const
-{
-    return EventTargetNames::InputMethodContext;
-}
-
-ExecutionContext* InputMethodContext::executionContext() const
-{
-    return &m_element->document();
-}
-
-void InputMethodContext::dispatchCandidateWindowShowEvent()
-{
-    dispatchEvent(Event::create(EventTypeNames::candidatewindowshow));
-}
-
-void InputMethodContext::dispatchCandidateWindowUpdateEvent()
-{
-    dispatchEvent(Event::create(EventTypeNames::candidatewindowupdate));
-}
-
-void InputMethodContext::dispatchCandidateWindowHideEvent()
-{
-    dispatchEvent(Event::create(EventTypeNames::candidatewindowhide));
-}
-
-DEFINE_TRACE(InputMethodContext)
-{
-    visitor->trace(m_element);
-    EventTargetWithInlineData::trace(visitor);
-}
-
-} // namespace blink