/* * 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 "HTMLDivElement.h" namespace WebCore { class CachedImage; class HTMLInputElement; // 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; // A TextFieldDecorator object should own the CachedImage objects. virtual CachedImage* imageForNormalState() = 0; virtual CachedImage* imageForDisabledState() = 0; virtual CachedImage* imageForReadonlyState() = 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 : public HTMLDivElement { public: static PassRefPtr<TextFieldDecorationElement> create(Document*, TextFieldDecorator*); TextFieldDecorator* textFieldDecorator() { return m_textFieldDecorator; } void decorate(HTMLInputElement*); private: TextFieldDecorationElement(Document*, TextFieldDecorator*); virtual bool isTextFieldDecoration() const OVERRIDE; virtual PassRefPtr<RenderStyle> customStyleForRenderer() OVERRIDE; virtual RenderObject* createRenderer(RenderArena*, RenderStyle*) OVERRIDE; virtual void attach() OVERRIDE; virtual void detach() OVERRIDE; virtual bool isMouseFocusable() const OVERRIDE; virtual void defaultEventHandler(Event*) OVERRIDE; HTMLInputElement* hostInput(); void updateImage(); TextFieldDecorator* m_textFieldDecorator; }; inline TextFieldDecorationElement* toTextFieldDecorationElement(Node* node) { ASSERT(node); ASSERT(node->isElementNode()); ASSERT(static_cast<Element*>(node)->isTextFieldDecoration()); return static_cast<TextFieldDecorationElement*>(node); } } #endif