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      1 /*
      2  * Copyright (C) 2013 Google Inc. All rights reserved.
      3  *
      4  * Redistribution and use in source and binary forms, with or without
      5  * modification, are permitted provided that the following conditions are
      6  * met:
      7  *
      8  *     * Redistributions of source code must retain the above copyright
      9  * notice, this list of conditions and the following disclaimer.
     10  *     * Redistributions in binary form must reproduce the above
     11  * copyright notice, this list of conditions and the following disclaimer
     12  * in the documentation and/or other materials provided with the
     13  * distribution.
     14  *     * Neither the name of Google Inc. nor the names of its
     15  * contributors may be used to endorse or promote products derived from
     16  * this software without specific prior written permission.
     17  *
     18  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
     19  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
     20  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
     21  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
     22  * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
     23  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
     24  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     25  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     26  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     27  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
     28  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     29  */
     30 
     31 #include "config.h"
     32 #include "core/html/ime/InputMethodContext.h"
     33 
     34 #include "core/editing/InputMethodController.h"
     35 #include "core/html/ime/Composition.h"
     36 #include "core/page/Frame.h"
     37 
     38 namespace WebCore {
     39 
     40 PassOwnPtr<InputMethodContext> InputMethodContext::create(HTMLElement* element)
     41 {
     42     return adoptPtr(new InputMethodContext(element));
     43 }
     44 
     45 InputMethodContext::InputMethodContext(HTMLElement* element)
     46     : m_composition(0)
     47     , m_element(element)
     48 {
     49     ScriptWrappable::init(this);
     50 }
     51 
     52 InputMethodContext::~InputMethodContext()
     53 {
     54 }
     55 
     56 Composition* InputMethodContext::composition() const
     57 {
     58     // FIXME: Implement this. This should lazily update the composition object
     59     // here.
     60     return m_composition.get();
     61 }
     62 
     63 String InputMethodContext::locale() const
     64 {
     65     // FIXME: Implement this.
     66     return emptyString();
     67 }
     68 
     69 HTMLElement* InputMethodContext::target() const
     70 {
     71     return m_element;
     72 }
     73 
     74 void InputMethodContext::confirmComposition()
     75 {
     76     Frame* frame = m_element->document()->frame();
     77     if (!frame)
     78         return;
     79 
     80     const Element* element = frame->document()->focusedElement();
     81     if (!element || !element->isHTMLElement() || m_element != toHTMLElement(element))
     82         return;
     83 
     84     frame->inputMethodController().confirmCompositionAndResetState();
     85 }
     86 
     87 void InputMethodContext::setCaretRectangle(Node* anchor, int x, int y, int w, int h)
     88 {
     89     // FIXME: Implement this.
     90 }
     91 
     92 void InputMethodContext::setExclusionRectangle(Node* anchor, int x, int y, int w, int h)
     93 {
     94     // FIXME: Implement this.
     95 }
     96 
     97 } // namespace WebCore
     98