| /* |
| * Copyright (C) 2012 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. |
| */ |
| |
| #ifndef TextFieldDecorationElement_h |
| #define TextFieldDecorationElement_h |
| |
| #include "core/html/HTMLDivElement.h" |
| |
| namespace WebCore { |
| |
| class CachedImage; |
| class HTMLInputElement; |
| class ShadowRoot; |
| |
| // A TextFieldDecorator object must live until all of text fields which were |
| // decorated by it die. |
| class TextFieldDecorator { |
| public: |
| // Returns true if this TextFieldDecorator wants to add a |
| // decoration to the specified text field. |
| virtual bool willAddDecorationTo(HTMLInputElement*) = 0; |
| virtual bool visibleByDefault() = 0; |
| |
| // A TextFieldDecorator object should own the CachedImage objects. |
| virtual CachedImage* imageForNormalState() = 0; |
| virtual CachedImage* imageForDisabledState() = 0; |
| virtual CachedImage* imageForReadonlyState() = 0; |
| virtual CachedImage* imageForHoverState() = 0; |
| |
| virtual void handleClick(HTMLInputElement*) = 0; |
| // This function is called just before detaching the decoration. It must not |
| // call functions which updating state of the specified HTMLInputElement |
| // object. |
| virtual void willDetach(HTMLInputElement*) = 0; |
| |
| virtual ~TextFieldDecorator(); |
| }; |
| |
| // A TextFieldDecorationElement object must be in a shadow tree of an |
| // HTMLInputElement. |
| class TextFieldDecorationElement FINAL : public HTMLDivElement { |
| public: |
| static PassRefPtr<TextFieldDecorationElement> create(Document*, TextFieldDecorator*); |
| static TextFieldDecorationElement* fromShadowRoot(ShadowRoot*); |
| TextFieldDecorator* textFieldDecorator() { return m_textFieldDecorator; } |
| void decorate(HTMLInputElement*, bool visible); |
| |
| virtual bool willRespondToMouseMoveEvents() OVERRIDE; |
| virtual bool willRespondToMouseClickEvents() OVERRIDE; |
| |
| private: |
| TextFieldDecorationElement(Document*, TextFieldDecorator*); |
| virtual bool isTextFieldDecoration() const OVERRIDE; |
| virtual PassRefPtr<RenderStyle> customStyleForRenderer() OVERRIDE; |
| virtual RenderObject* createRenderer(RenderArena*, RenderStyle*) OVERRIDE; |
| virtual void attach(const AttachContext& = AttachContext()) OVERRIDE; |
| virtual void detach(const AttachContext& = AttachContext()) OVERRIDE; |
| virtual bool isMouseFocusable() const OVERRIDE; |
| virtual void defaultEventHandler(Event*) OVERRIDE; |
| |
| HTMLInputElement* hostInput(); |
| void updateImage(); |
| |
| TextFieldDecorator* m_textFieldDecorator; |
| bool m_isInHoverState; |
| }; |
| |
| inline TextFieldDecorationElement* toTextFieldDecorationElement(Node* node) |
| { |
| ASSERT(node); |
| ASSERT_WITH_SECURITY_IMPLICATION(node->isElementNode()); |
| ASSERT_WITH_SECURITY_IMPLICATION(toElement(node)->isTextFieldDecoration()); |
| return static_cast<TextFieldDecorationElement*>(node); |
| } |
| |
| } |
| #endif |