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      1 /*
      2  * Copyright (C) 2006, 2008, 2010 Apple Inc. All rights reserved.
      3  * Copyright (C) 2010 Google Inc. All rights reserved.
      4  *
      5  * Redistribution and use in source and binary forms, with or without
      6  * modification, are permitted provided that the following conditions
      7  * are met:
      8  * 1. Redistributions of source code must retain the above copyright
      9  *    notice, this list of conditions and the following disclaimer.
     10  * 2. Redistributions in binary form must reproduce the above copyright
     11  *    notice, this list of conditions and the following disclaimer in the
     12  *    documentation and/or other materials provided with the distribution.
     13  *
     14  * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
     15  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     16  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     17  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE COMPUTER, INC. OR
     18  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
     19  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
     20  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
     21  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
     22  * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     23  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
     24  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     25  */
     26 
     27 #ifndef TextControlInnerElements_h
     28 #define TextControlInnerElements_h
     29 
     30 #include "core/html/HTMLDivElement.h"
     31 #include "core/page/SpeechInputListener.h"
     32 #include "wtf/Forward.h"
     33 
     34 namespace WebCore {
     35 
     36 class SpeechInput;
     37 
     38 class TextControlInnerContainer FINAL : public HTMLDivElement {
     39 public:
     40     static PassRefPtr<TextControlInnerContainer> create(Document*);
     41 protected:
     42     TextControlInnerContainer(Document*);
     43     virtual RenderObject* createRenderer(RenderStyle*);
     44 };
     45 
     46 class TextControlInnerElement FINAL : public HTMLDivElement {
     47 public:
     48     static PassRefPtr<TextControlInnerElement> create(Document*);
     49 
     50 protected:
     51     TextControlInnerElement(Document*);
     52     virtual PassRefPtr<RenderStyle> customStyleForRenderer() OVERRIDE;
     53 
     54 private:
     55     virtual bool supportsFocus() const OVERRIDE { return false; }
     56 };
     57 
     58 class TextControlInnerTextElement FINAL : public HTMLDivElement {
     59 public:
     60     static PassRefPtr<TextControlInnerTextElement> create(Document*);
     61 
     62     virtual void defaultEventHandler(Event*);
     63 
     64 private:
     65     TextControlInnerTextElement(Document*);
     66     virtual RenderObject* createRenderer(RenderStyle*);
     67     virtual PassRefPtr<RenderStyle> customStyleForRenderer() OVERRIDE;
     68     virtual bool supportsFocus() const OVERRIDE { return false; }
     69 };
     70 
     71 class SearchFieldDecorationElement FINAL : public HTMLDivElement {
     72 public:
     73     static PassRefPtr<SearchFieldDecorationElement> create(Document*);
     74 
     75     virtual void defaultEventHandler(Event*);
     76     virtual bool willRespondToMouseClickEvents() OVERRIDE;
     77 
     78 private:
     79     SearchFieldDecorationElement(Document*);
     80     virtual const AtomicString& part() const OVERRIDE;
     81     virtual bool supportsFocus() const OVERRIDE { return false; }
     82 };
     83 
     84 class SearchFieldCancelButtonElement FINAL : public HTMLDivElement {
     85 public:
     86     static PassRefPtr<SearchFieldCancelButtonElement> create(Document*);
     87 
     88     virtual void defaultEventHandler(Event*);
     89     virtual bool willRespondToMouseClickEvents() OVERRIDE;
     90 
     91 private:
     92     SearchFieldCancelButtonElement(Document*);
     93     virtual void detach(const AttachContext& = AttachContext()) OVERRIDE;
     94     virtual bool supportsFocus() const OVERRIDE { return false; }
     95 
     96     bool m_capturing;
     97 };
     98 
     99 #if ENABLE(INPUT_SPEECH)
    100 
    101 class InputFieldSpeechButtonElement FINAL
    102     : public HTMLDivElement,
    103       public SpeechInputListener {
    104 public:
    105     enum SpeechInputState {
    106         Idle,
    107         Recording,
    108         Recognizing,
    109     };
    110 
    111     static PassRefPtr<InputFieldSpeechButtonElement> create(Document*);
    112     virtual ~InputFieldSpeechButtonElement();
    113 
    114     virtual void detach(const AttachContext& = AttachContext()) OVERRIDE;
    115     virtual void defaultEventHandler(Event*);
    116     virtual bool willRespondToMouseClickEvents();
    117     virtual bool isInputFieldSpeechButtonElement() const { return true; }
    118     SpeechInputState state() const { return m_state; }
    119     void startSpeechInput();
    120     void stopSpeechInput();
    121 
    122     // SpeechInputListener methods.
    123     void didCompleteRecording(int);
    124     void didCompleteRecognition(int);
    125     void setRecognitionResult(int, const SpeechInputResultArray&);
    126 
    127 private:
    128     InputFieldSpeechButtonElement(Document*);
    129     SpeechInput* speechInput();
    130     void setState(SpeechInputState state);
    131     virtual bool isMouseFocusable() const { return false; }
    132     virtual void attach(const AttachContext& = AttachContext()) OVERRIDE;
    133 
    134     bool m_capturing;
    135     SpeechInputState m_state;
    136     int m_listenerId;
    137     SpeechInputResultArray m_results;
    138 };
    139 
    140 inline InputFieldSpeechButtonElement* toInputFieldSpeechButtonElement(Element* element)
    141 {
    142     ASSERT_WITH_SECURITY_IMPLICATION(!element || element->isInputFieldSpeechButtonElement());
    143     return static_cast<InputFieldSpeechButtonElement*>(element);
    144 }
    145 
    146 #endif // ENABLE(INPUT_SPEECH)
    147 
    148 } // namespace
    149 
    150 #endif
    151