Appendix A: IDL Definitions

// File: views.idl

#ifndef _VIEWS_IDL_
#define _VIEWS_IDL_

#include "dom.idl"

#pragma prefix "dom.w3c.org"
module views
{

  typedef dom::Node Node;
  typedef dom::DOMString DOMString;

  interface Segment;
  interface VisualResource;
  interface VisualCharacter;
  interface VisualCharacterRun;
  interface VisualFrame;
  interface VisualImage;
  interface VisualFormButton;
  interface VisualFormField;

  // Introduced in DOM Level 3:
  interface View {
    void               select(in Node boundary, 
                              in unsigned long offset, 
                              in boolean extend, 
                              in boolean add);
    Segment            createSegment();
    boolean            matchFirstSegment(inout Segment todo)
                                        raises(dom::DOMException);
    long               getIntegerProperty(in DOMString name)
                                        raises(dom::DOMException);
    DOMString          getStringProperty(in DOMString name)
                                        raises(dom::DOMException);
    boolean            getBooleanProperty(in boolean name)
                                        raises(dom::DOMException);
    Node               getContentPropertyNode(in DOMString name)
                                        raises(dom::DOMException);
    unsigned long      getContentPropertyOffset(in DOMString name)
                                        raises(dom::DOMException);
  };

  // Introduced in DOM Level 3:
  interface Match {

    // MatchTestGroup
    const unsigned short      IS_EQUAL                       = 0;
    const unsigned short      IS_NOT_EQUAL                   = 1;
    const unsigned short      INT_PRECEDES                   = 2;
    const unsigned short      INT_PRECEDES_OR_EQUALS         = 3;
    const unsigned short      INT_FOLLOWS                    = 4;
    const unsigned short      INT_FOLLOWS_OR_EQUALS          = 5;
    const unsigned short      STR_STARTS_WITH                = 6;
    const unsigned short      STR_ENDS_WITH                  = 7;
    const unsigned short      STR_CONTAINS                   = 8;
    const unsigned short      SET_ANY                        = 9;
    const unsigned short      SET_ALL                        = 10;
    const unsigned short      SET_NOT_ANY                    = 11;
    const unsigned short      SET_NOT_ALL                    = 12;

    readonly attribute unsigned short  test;
  };

  // Introduced in DOM level 3:
  interface MatchString : Match {
    readonly attribute DOMString       name;
    readonly attribute DOMString       value;
  };

  // Introduced in DOM level 3:
  interface MatchInteger : Match {
    readonly attribute DOMString       name;
    readonly attribute long            value;
  };

  // Introduced in DOM level 3:
  interface MatchBoolean : Match {
    readonly attribute DOMString       name;
    readonly attribute boolean         value;
  };

  // Introduced in DOM level 3:
  interface MatchContent : Match {
    readonly attribute DOMString       name;
    readonly attribute Node            nodeArg;
    readonly attribute unsigned long   offset;
  };

  // Introduced in DOM level 3:
  interface MatchSet : Match {
    readonly attribute Node            nodeArg;
    void               addMatch(in Match add);
    Match              getMatch(in unsigned long index);
  };

  // Introduced in DOM Level 3:
  interface Item {
    readonly attribute boolean         exists;
    readonly attribute DOMString       name;
  };

  // Introduced in DOM Level 3:
  interface StringItem : Item {
    readonly attribute DOMString       value;
  };

  // Introduced in DOM Level 3:
  interface IntegerItem : Item {
    readonly attribute long            value;
  };

  // Introduced in DOM Level 3:
  interface BooleanItem : Item {
             attribute boolean         value;
  };

  // Introduced in DOM Level 3:
  interface ContentItem : Item {
             attribute Node            nodeArg;
             attribute unsigned long   offset;
  };

  interface VisualView {
    readonly attribute DOMString       fontScheme;
    readonly attribute unsigned long   width;
    readonly attribute unsigned long   height;
    readonly attribute unsigned long   horizontalDPI;
    readonly attribute unsigned long   verticalDPI;
    VisualCharacter    createVisualCharacter();
    VisualCharacterRun createVisualCharacterRun();
    VisualFrame        createVisualFrame();
    VisualImage        createVisualImage();
    VisualFormButton   createVisualFormButton();
    VisualFormField    createVisualFormField();
    void               select(in Node boundary, 
                              in unsigned long offset, 
                              in boolean extend, 
                              in boolean add);
    void               matchSegment(in VisualResource segment);
  };

  interface VisualResource {
  };

  interface VisualFont : VisualResource {
             attribute DOMString       matchFontName;
    readonly attribute boolean         exists;
    readonly attribute DOMString       fontName;
    boolean            getNext();
  };

  interface VisualSegment : VisualResource {
             attribute boolean         matchPosition;
             attribute boolean         matchInside;
             attribute boolean         matchContaining;
             attribute long            matchX;
             attribute long            matchY;
             attribute long            matchXR;
             attribute long            matchYR;
             attribute boolean         matchContent;
             attribute boolean         matchRange;
             attribute Node            matchNode;
             attribute unsigned long   matchOffset;
             attribute Node            matchNodeR;
             attribute unsigned long   matchOffsetR;
             attribute boolean         matchContainsSelected;
             attribute boolean         matchContainsVisible;
    readonly attribute boolean         exists;
    readonly attribute Node            startNode;
    readonly attribute unsigned long   startOffset;
    readonly attribute Node            endNode;
    readonly attribute unsigned long   endOffset;
    readonly attribute long            topOffset;
    readonly attribute long            bottomOffset;
    readonly attribute long            leftOffset;
    readonly attribute long            rightOffset;
    readonly attribute unsigned long   width;
    readonly attribute unsigned long   height;
    readonly attribute boolean         selected;
    readonly attribute boolean         visible;
    readonly attribute unsigned long   foregroundColor;
    readonly attribute unsigned long   backgroundColor;
    readonly attribute DOMString       fontName;
    readonly attribute DOMString       fontHeight;
    boolean            getNext();
  };

  interface VisualCharacter : VisualSegment {
  };

  interface VisualCharacterRun : VisualSegment {
  };

  interface VisualFrame : VisualSegment {
    readonly attribute VisualSegment   embedded;
  };

  interface VisualImage : VisualSegment {
    readonly attribute DOMString       imageURL;
    readonly attribute boolean         isLoaded;
  };

  interface VisualFormButton : VisualSegment {
    readonly attribute boolean         isPressed;
  };

  interface VisualFormField : VisualSegment {
    readonly attribute DOMString       formValue;
  };

  // Introduced in DOM Level 3:
  interface Segment : Match {
             attribute Match           criteria;
             attribute DOMString       order;
    void               addItem(in Item add);
    MatchString        createMatchString(in unsigned short test, 
                                         in DOMString name, 
                                         in DOMString value);
    MatchInteger       createMatchInteger(in unsigned short test, 
                                          in DOMString name, 
                                          in long value);
    MatchBoolean       createMatchBoolean(in unsigned short test, 
                                          in DOMString name, 
                                          in boolean value);
    MatchContent       createMatchContent(in unsigned short test, 
                                          in DOMString name, 
                                          in unsigned long offset, 
                                          in Node nodeArg);
    MatchSet           createMatchSet(in unsigned short test);
    StringItem         createStringItem(in DOMString name);
    IntegerItem        createIntegerItem(in DOMString name);
    BooleanItem        createBooleanItem(in DOMString name);
    ContentItem        createContentItem(in DOMString name);
    void               getItem(in unsigned long index);
    boolean            getNext();
  };
};

#endif // _VIEWS_IDL_