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      1 /*
      2  * Copyright (C) 2010 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 #ifndef TextFieldInputType_h
     32 #define TextFieldInputType_h
     33 
     34 #include "core/html/forms/InputType.h"
     35 #include "core/html/shadow/SpinButtonElement.h"
     36 
     37 namespace WebCore {
     38 
     39 class FormDataList;
     40 
     41 // The class represents types of which UI contain text fields.
     42 // It supports not only the types for BaseTextInputType but also type=number.
     43 class TextFieldInputType : public InputType, protected SpinButtonElement::SpinButtonOwner {
     44     WILL_BE_USING_GARBAGE_COLLECTED_MIXIN(TextFieldInputType);
     45 protected:
     46     TextFieldInputType(HTMLInputElement&);
     47     virtual ~TextFieldInputType();
     48     virtual bool canSetSuggestedValue() OVERRIDE;
     49     virtual void handleKeydownEvent(KeyboardEvent*) OVERRIDE;
     50     void handleKeydownEventForSpinButton(KeyboardEvent*);
     51 
     52 protected:
     53     virtual bool needsContainer() const { return false; }
     54     bool shouldHaveSpinButton() const;
     55     virtual void createShadowSubtree() OVERRIDE;
     56     virtual void destroyShadowSubtree() OVERRIDE;
     57     virtual void attributeChanged() OVERRIDE;
     58     virtual void disabledAttributeChanged() OVERRIDE;
     59     virtual void readonlyAttributeChanged() OVERRIDE;
     60     virtual bool supportsReadOnly() const OVERRIDE;
     61     virtual void handleFocusEvent(Element* oldFocusedNode, FocusType) OVERRIDE FINAL;
     62     virtual void handleBlurEvent() OVERRIDE FINAL;
     63     virtual void setValue(const String&, bool valueChanged, TextFieldEventBehavior) OVERRIDE;
     64     virtual void updateView() OVERRIDE;
     65 
     66     virtual String convertFromVisibleValue(const String&) const;
     67     enum ValueChangeState {
     68         ValueChangeStateNone,
     69         ValueChangeStateChanged
     70     };
     71     virtual void didSetValueByUserEdit(ValueChangeState);
     72 
     73     Element* containerElement() const;
     74 
     75 private:
     76     virtual bool shouldShowFocusRingOnMouseFocus() const OVERRIDE FINAL;
     77     virtual bool isTextField() const OVERRIDE FINAL;
     78     virtual bool valueMissing(const String&) const OVERRIDE;
     79     virtual void handleBeforeTextInsertedEvent(BeforeTextInsertedEvent*) OVERRIDE;
     80     virtual void forwardEvent(Event*) OVERRIDE FINAL;
     81     virtual bool shouldSubmitImplicitly(Event*) OVERRIDE FINAL;
     82     virtual RenderObject* createRenderer(RenderStyle*) const OVERRIDE;
     83     virtual bool shouldUseInputMethod() const OVERRIDE;
     84     virtual String sanitizeValue(const String&) const OVERRIDE;
     85     virtual bool shouldRespectListAttribute() OVERRIDE;
     86     virtual void listAttributeTargetChanged() OVERRIDE;
     87     virtual void updatePlaceholderText() OVERRIDE FINAL;
     88     virtual bool appendFormData(FormDataList&, bool multipart) const OVERRIDE;
     89     virtual void subtreeHasChanged() OVERRIDE FINAL;
     90 
     91     // SpinButtonElement::SpinButtonOwner functions.
     92     virtual void focusAndSelectSpinButtonOwner() OVERRIDE FINAL;
     93     virtual bool shouldSpinButtonRespondToMouseEvents() OVERRIDE FINAL;
     94     virtual bool shouldSpinButtonRespondToWheelEvents() OVERRIDE FINAL;
     95     virtual void spinButtonStepDown() OVERRIDE FINAL;
     96     virtual void spinButtonStepUp() OVERRIDE FINAL;
     97     virtual void spinButtonDidReleaseMouseCapture(SpinButtonElement::EventDispatch) OVERRIDE FINAL;
     98 
     99     SpinButtonElement* spinButtonElement() const;
    100 };
    101 
    102 } // namespace WebCore
    103 
    104 #endif // TextFieldInputType_h
    105