15c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)/* 25c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * Copyright (C) 1999 Lars Knoll (knoll@kde.org) 35c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * (C) 1999 Antti Koivisto (koivisto@kde.org) 45c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * (C) 2000 Dirk Mueller (mueller@kde.org) 55c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2010 Apple Inc. All rights reserved. 65c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * Copyright (C) 2009, 2010, 2011 Google Inc. All rights reserved. 75c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * 85c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * This library is free software; you can redistribute it and/or 95c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * modify it under the terms of the GNU Library General Public 105c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * License as published by the Free Software Foundation; either 115c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * version 2 of the License, or (at your option) any later version. 125c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * 135c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * This library is distributed in the hope that it will be useful, 145c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * but WITHOUT ANY WARRANTY; without even the implied warranty of 155c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 165c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * Library General Public License for more details. 175c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * 185c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * You should have received a copy of the GNU Library General Public License 195c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * along with this library; see the file COPYING.LIB. If not, write to 205c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, 215c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * Boston, MA 02110-1301, USA. 225c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * 235c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) */ 245c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 255c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)#ifndef HTMLTextFormControlElement_h 265c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)#define HTMLTextFormControlElement_h 275c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 2853e740f4a82e17f3ae59772501622dc354e42336Torne (Richard Coles)#include "core/html/HTMLFormControlElementWithState.h" 295c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 30c1847b1379d12d0e05df27436bf19a9b1bf12deaTorne (Richard Coles)namespace blink { 315c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 32df95704c49daea886ddad70775bda23618d6274dBen Murdochclass ExceptionState; 335c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)class Position; 345d92fedcae5e801a8b224de090094f2d9df0b54aTorne (Richard Coles)class Range; 355c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)class RenderTextControl; 365c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)class VisiblePosition; 375c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 385c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)enum TextFieldSelectionDirection { SelectionHasNoDirection, SelectionHasForwardDirection, SelectionHasBackwardDirection }; 395c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)enum TextFieldEventBehavior { DispatchNoEvent, DispatchChangeEvent, DispatchInputAndChangeEvent }; 405c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 415c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)class HTMLTextFormControlElement : public HTMLFormControlElementWithState { 425c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)public: 435c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) // Common flag for HTMLInputElement::tooLong() and HTMLTextAreaElement::tooLong(). 445c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) enum NeedsToCheckDirtyFlag {CheckDirtyFlag, IgnoreDirtyFlag}; 45c1847b1379d12d0e05df27436bf19a9b1bf12deaTorne (Richard Coles) // Option of setSelectionRange. 46c1847b1379d12d0e05df27436bf19a9b1bf12deaTorne (Richard Coles) enum SelectionOption { 47c1847b1379d12d0e05df27436bf19a9b1bf12deaTorne (Richard Coles) ChangeSelection, 48f542a0e9557608d421c9d165487573efa35a5f91Ben Murdoch ChangeSelectionAndFocus, 49f542a0e9557608d421c9d165487573efa35a5f91Ben Murdoch ChangeSelectionIfFocused, 50c1847b1379d12d0e05df27436bf19a9b1bf12deaTorne (Richard Coles) NotChangeSelection 51c1847b1379d12d0e05df27436bf19a9b1bf12deaTorne (Richard Coles) }; 525c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 535c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) virtual ~HTMLTextFormControlElement(); 545c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 555c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) void forwardEvent(Event*); 565c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 575c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 585c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) virtual InsertionNotificationRequest insertedInto(ContainerNode*) OVERRIDE; 595c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 605c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) // The derived class should return true if placeholder processing is needed. 615c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) virtual bool supportsPlaceholder() const = 0; 625c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) String strippedPlaceholder() const; 635c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) bool placeholderShouldBeVisible() const; 649bbd2f5e390b01907d97ecffde80aa1b06113aacTorne (Richard Coles) HTMLElement* placeholderElement() const; 655c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) void updatePlaceholderVisibility(bool); 665c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 6753e740f4a82e17f3ae59772501622dc354e42336Torne (Richard Coles) VisiblePosition visiblePositionForIndex(int) const; 685c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) int indexForVisiblePosition(const VisiblePosition&) const; 695c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) int selectionStart() const; 705c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) int selectionEnd() const; 715c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) const AtomicString& selectionDirection() const; 725c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) void setSelectionStart(int); 735c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) void setSelectionEnd(int); 745c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) void setSelectionDirection(const String&); 755c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) void select(); 76df95704c49daea886ddad70775bda23618d6274dBen Murdoch virtual void setRangeText(const String& replacement, ExceptionState&); 77df95704c49daea886ddad70775bda23618d6274dBen Murdoch virtual void setRangeText(const String& replacement, unsigned start, unsigned end, const String& selectionMode, ExceptionState&); 785c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) void setSelectionRange(int start, int end, const String& direction); 79c1847b1379d12d0e05df27436bf19a9b1bf12deaTorne (Richard Coles) void setSelectionRange(int start, int end, TextFieldSelectionDirection = SelectionHasNoDirection, SelectionOption = ChangeSelection); 80a9984bf9ddc3cf73fdae3f29134a2bab379e7029Ben Murdoch PassRefPtrWillBeRawPtr<Range> selection() const; 815c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 8209380295ba73501a205346becac22c6978e4671dTorne (Richard Coles) virtual void dispatchFormControlChangeEvent() OVERRIDE FINAL; 835c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 845c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) virtual String value() const = 0; 855c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 8676c265b59aa821ccbf8c75ab2bb0d036e97d2956Torne (Richard Coles) HTMLElement* innerEditorElement() const; 875c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 885c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) void selectionChanged(bool userTriggered); 895c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) bool lastChangeWasUserEdit() const; 9076c265b59aa821ccbf8c75ab2bb0d036e97d2956Torne (Richard Coles) virtual void setInnerEditorValue(const String&); 9176c265b59aa821ccbf8c75ab2bb0d036e97d2956Torne (Richard Coles) String innerEditorValue() const; 925c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 935c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) String directionForFormData() const; 945c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 955c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) void setTextAsOfLastFormControlChangeEvent(const String& text) { m_textAsOfLastFormControlChangeEvent = text; } 965c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 97197021e6b966cfb06891637935ef33fff06433d1Ben Murdoch // These functions don't cause synchronous layout and SpellChecker uses 98197021e6b966cfb06891637935ef33fff06433d1Ben Murdoch // them to improve performance. 99197021e6b966cfb06891637935ef33fff06433d1Ben Murdoch // Passed |Position| must point inside of a text form control. 100197021e6b966cfb06891637935ef33fff06433d1Ben Murdoch static Position startOfWord(const Position&); 101197021e6b966cfb06891637935ef33fff06433d1Ben Murdoch static Position endOfWord(const Position&); 102197021e6b966cfb06891637935ef33fff06433d1Ben Murdoch static Position startOfSentence(const Position&); 103197021e6b966cfb06891637935ef33fff06433d1Ben Murdoch static Position endOfSentence(const Position&); 104197021e6b966cfb06891637935ef33fff06433d1Ben Murdoch 1055c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)protected: 1068abfc5808a4e34d6e03867af8bc440dee641886fTorne (Richard Coles) HTMLTextFormControlElement(const QualifiedName&, Document&, HTMLFormElement*); 1075c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) bool isPlaceholderEmpty() const; 1085c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) virtual void updatePlaceholderText() = 0; 1095c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 110926b001d589ce2f10facb93dd4b87578ea35a855Torne (Richard Coles) virtual void parseAttribute(const QualifiedName&, const AtomicString&) OVERRIDE; 1115c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 1125c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) void cacheSelection(int start, int end, TextFieldSelectionDirection direction) 1135c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) { 1146f543c786fc42989f552b4daa774ca5ff32fa697Ben Murdoch ASSERT(start >= 0); 1155c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) m_cachedSelectionStart = start; 1165c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) m_cachedSelectionEnd = end; 1175c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) m_cachedSelectionDirection = direction; 1185c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) } 1195c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 1205c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) void restoreCachedSelection(); 1215c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 12209380295ba73501a205346becac22c6978e4671dTorne (Richard Coles) virtual void defaultEventHandler(Event*) OVERRIDE; 1235c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) virtual void subtreeHasChanged() = 0; 1245c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 1255c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) void setLastChangeWasNotUserEdit() { m_lastChangeWasUserEdit = false; } 1265c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 1275c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) String valueWithHardLineBreaks() const; 1285c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 129323480423219ecd77329f8326dc5e0e3b50926d4Torne (Richard Coles) virtual bool shouldDispatchFormControlChangeEvent(String&, String&); 130323480423219ecd77329f8326dc5e0e3b50926d4Torne (Richard Coles) 1315c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)private: 1325c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) int computeSelectionStart() const; 1335c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) int computeSelectionEnd() const; 1345c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) TextFieldSelectionDirection computeSelectionDirection() const; 1355c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 13609380295ba73501a205346becac22c6978e4671dTorne (Richard Coles) virtual void dispatchFocusEvent(Element* oldFocusedElement, FocusType) OVERRIDE FINAL; 13709380295ba73501a205346becac22c6978e4671dTorne (Richard Coles) virtual void dispatchBlurEvent(Element* newFocusedElement) OVERRIDE FINAL; 1385c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 1395c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) // Returns true if user-editable value is empty. Used to check placeholder visibility. 1405c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) virtual bool isEmptyValue() const = 0; 1415c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) // Returns true if suggested value is empty. Used to check placeholder visibility. 1425c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) virtual bool isEmptySuggestedValue() const { return true; } 1435c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) // Called in dispatchFocusEvent(), after placeholder process, before calling parent's dispatchFocusEvent(). 14409380295ba73501a205346becac22c6978e4671dTorne (Richard Coles) virtual void handleFocusEvent(Element* /* oldFocusedNode */, FocusType) { } 1455c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) // Called in dispatchBlurEvent(), after placeholder process, before calling parent's dispatchBlurEvent(). 1465c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) virtual void handleBlurEvent() { } 1475c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 1485c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) String m_textAsOfLastFormControlChangeEvent; 1495c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) bool m_lastChangeWasUserEdit; 15002772c6a72f1ee0b226341a4f4439970c29fc861Ben Murdoch 1515c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) int m_cachedSelectionStart; 1525c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) int m_cachedSelectionEnd; 1535c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) TextFieldSelectionDirection m_cachedSelectionDirection; 1545c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)}; 1555c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 15643e7502580f146aa5b3db8267ba6dbb5c733a489Torne (Richard Coles)inline bool isHTMLTextFormControlElement(const Element& element) 157926b001d589ce2f10facb93dd4b87578ea35a855Torne (Richard Coles){ 15843e7502580f146aa5b3db8267ba6dbb5c733a489Torne (Richard Coles) return element.isTextFormControl(); 1595c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)} 1605c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 16143e7502580f146aa5b3db8267ba6dbb5c733a489Torne (Richard Coles)DEFINE_HTMLELEMENT_TYPE_CASTS_WITH_FUNCTION(HTMLTextFormControlElement); 162f79f16f17ddc4f842d7b7a38603e280e94be826aTorne (Richard Coles) 1635c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)HTMLTextFormControlElement* enclosingTextFormControl(const Position&); 1645d92fedcae5e801a8b224de090094f2d9df0b54aTorne (Richard Coles)HTMLTextFormControlElement* enclosingTextFormControl(Node*); 1655c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 1665c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)} // namespace 1675c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 1685c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)#endif 169