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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 blink {
     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 public:
     46     virtual void trace(Visitor* visitor) OVERRIDE { InputType::trace(visitor); }
     47 
     48 protected:
     49     TextFieldInputType(HTMLInputElement&);
     50     virtual ~TextFieldInputType();
     51     virtual bool canSetSuggestedValue() OVERRIDE;
     52     virtual void handleKeydownEvent(KeyboardEvent*) OVERRIDE;
     53     void handleKeydownEventForSpinButton(KeyboardEvent*);
     54 
     55     virtual bool needsContainer() const { return false; }
     56     bool shouldHaveSpinButton() const;
     57     virtual void createShadowSubtree() OVERRIDE;
     58     virtual void destroyShadowSubtree() OVERRIDE;
     59     virtual void attributeChanged() OVERRIDE;
     60     virtual void disabledAttributeChanged() OVERRIDE;
     61     virtual void readonlyAttributeChanged() OVERRIDE;
     62     virtual bool supportsReadOnly() const OVERRIDE;
     63     virtual void handleFocusEvent(Element* oldFocusedNode, FocusType) OVERRIDE FINAL;
     64     virtual void handleBlurEvent() OVERRIDE FINAL;
     65     virtual void setValue(const String&, bool valueChanged, TextFieldEventBehavior) OVERRIDE;
     66     virtual void updateView() OVERRIDE;
     67 
     68     virtual String convertFromVisibleValue(const String&) const;
     69     enum ValueChangeState {
     70         ValueChangeStateNone,
     71         ValueChangeStateChanged
     72     };
     73     virtual void didSetValueByUserEdit(ValueChangeState);
     74 
     75     Element* containerElement() const;
     76 
     77 private:
     78     virtual bool shouldShowFocusRingOnMouseFocus() const OVERRIDE FINAL;
     79     virtual bool isTextField() const OVERRIDE FINAL;
     80     virtual bool valueMissing(const String&) const OVERRIDE;
     81     virtual void handleBeforeTextInsertedEvent(BeforeTextInsertedEvent*) OVERRIDE;
     82     virtual void forwardEvent(Event*) OVERRIDE FINAL;
     83     virtual bool shouldSubmitImplicitly(Event*) OVERRIDE FINAL;
     84     virtual RenderObject* createRenderer(RenderStyle*) const OVERRIDE;
     85     virtual String sanitizeValue(const String&) const OVERRIDE;
     86     virtual bool shouldRespectListAttribute() OVERRIDE;
     87     virtual void listAttributeTargetChanged() OVERRIDE;
     88     virtual void updatePlaceholderText() OVERRIDE FINAL;
     89     virtual bool appendFormData(FormDataList&, bool multipart) const OVERRIDE;
     90     virtual void subtreeHasChanged() OVERRIDE FINAL;
     91 
     92     // SpinButtonElement::SpinButtonOwner functions.
     93     virtual void focusAndSelectSpinButtonOwner() OVERRIDE FINAL;
     94     virtual bool shouldSpinButtonRespondToMouseEvents() OVERRIDE FINAL;
     95     virtual bool shouldSpinButtonRespondToWheelEvents() OVERRIDE FINAL;
     96     virtual void spinButtonStepDown() OVERRIDE FINAL;
     97     virtual void spinButtonStepUp() OVERRIDE FINAL;
     98     virtual void spinButtonDidReleaseMouseCapture(SpinButtonElement::EventDispatch) OVERRIDE FINAL;
     99 
    100     SpinButtonElement* spinButtonElement() const;
    101 };
    102 
    103 } // namespace blink
    104 
    105 #endif // TextFieldInputType_h
    106