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7b7f70c9376325894becb0e57e5b31ab | 102 727 | 8.8.5.3.4 Pseudo classes | Viewports can be labelled with pseudo-classes which allow the application to adapt to the physical structure of the MHP display or output system. For example: @dvb-viewport :16x9 { ... } @dvb-viewport :4x3 { ... } The pseudo-class syntax is as follows: display-pseudo-class = ":" [ aspect-ratio ] [ resolution ] [ scan ]... |
7b7f70c9376325894becb0e57e5b31ab | 102 727 | 8.8.5.4 Cascading | The @dvb-viewport properties cascade in the normal manner. However, only those viewport properties that are defined in the context of the document of the DVB-HTML application displayed in a root window shall be used to determine the application's viewport. Any @dvb-viewport properties defined in the context of a docume... |
7b7f70c9376325894becb0e57e5b31ab | 102 727 | 8.8.5.5 How to discover where the video is | In order to have good visual synchronization with video in the background plane, a DVB-HTML application will need to be able to determine the intersection of the viewport and the background video areas, both the active video and any additiona "bar" areas caused by letterboxing. |
7b7f70c9376325894becb0e57e5b31ab | 102 727 | 8.8.5.5.1 The area property | DVB-HTML defines an @dvb-viewport property area which defines the rectangle of which the viewport is a sub rectangle. This has the following logical values, which can be combined together. screen: uses the screen as reference, not the background video, this cannot be combined with other values. total-video-area-on-scre... |
7b7f70c9376325894becb0e57e5b31ab | 102 727 | 8.8.5.6 Placing content in relation to video | The terminal defined starting cascade style sheet implicitly defines (see "Definition of boxes") the following regions when the viewport contains them. .active-video-area-on-screen .total-video-area-on-screen .LV-bar .RV-bar .TH-bar .BH-bar so that for example the document <!DOCTYPE html PUBLIC "-//DVB//DTD XHTML DVB-H... |
7b7f70c9376325894becb0e57e5b31ab | 102 727 | 8.8.5.6.1 Definition of boxes | The named regions are defined as the intersection of the viewport (shown in the illustration as the yellow rectangle) with the relevant area, therefore the regions could potentially be empty, in this case no content is displayed for that region. For example the #TH-bar shown in blue in the illustration below does not c... |
7b7f70c9376325894becb0e57e5b31ab | 102 727 | 8.8.5.6.2 Definition of pel areas in the video | Positions defined by using the pel type are defined to be the pixel location in the viewport where the corresponding video pel is translated to. In the case that the transformed pel covers more than one pixel, the top most left most pixel is used. This allows the placement of content in relation to elements within the ... |
7b7f70c9376325894becb0e57e5b31ab | 102 727 | 8.8.5.7 Placing video within the presentation | |
7b7f70c9376325894becb0e57e5b31ab | 102 727 | 8.8.5.8 Box Layout | |
7b7f70c9376325894becb0e57e5b31ab | 102 727 | 8.8.5.8.1 Video Boxes | Video content may be placed in an <object> or <img> element. Using style rules the box for this can be positioned following the normal CSS rules anywhere within the viewport. This acts like a video component in DVB-J, and is entirely separate from video in the background plane. When placing video inside an element, the... |
7b7f70c9376325894becb0e57e5b31ab | 102 727 | 8.8.5.9 DOM Access to CSS | In order to gain programmatic access to the @dvb-viewport rule the language specific binding for the DOM interface specified in clause 8.11.8.1.3, "DVBCSSViewportRule" may be used. |
7b7f70c9376325894becb0e57e5b31ab | 102 727 | 8.8.5.10 Focus traversal and short-cuts | In MHP it is possible to determine the order of traversal of elements using the navigation keys, and to specify certain keys as short cuts. The dvb-tv media type includes the following additional style properties. Table 16: Navigation properties Property Meaning nav-up References the visual element to receive focus on ... |
7b7f70c9376325894becb0e57e5b31ab | 102 727 | 8.8.6 Font selection | There are four possible font selection actions defined in CSS2: name matching, intelligent matching, synthesis, and download. A user agent shall support the font matching algorithm as defined in section 15.5 in CSS 2 [39]. The user agent is not required to support intelligent font matching algorithm and font synthesis ... |
7b7f70c9376325894becb0e57e5b31ab | 102 727 | 8.8.6.1 Restrictions on "src" descriptor | The user agent shall fully support the descriptor for Referencing: src with the following restrictions: • The only format type required to be supported for the font src descriptor is "truedoc-pfr". • The only string required to be supported for the <font-face-name> value for access to local fonts is "Tiresias", see GEM... |
7b7f70c9376325894becb0e57e5b31ab | 102 727 | 8.8.7 Font specification | The user agent is required to support the following set of properties for selecting a font: • font-family. • font-style. • font-variant. • font-weight. • font-stretch. • font-size. • font-size-adjust. • font. Setting font-stretch and font-size-adjust is not required to have any visual effect in a constrained graphics e... |
7b7f70c9376325894becb0e57e5b31ab | 102 727 | 8.8.8 Default behaviour | In the absence of any other styling information for a page, the user agent shall render using the default stylesheet in annex AB, "DVB HTML StyleSheet". |
7b7f70c9376325894becb0e57e5b31ab | 102 727 | 8.8.8.1 Default style sheet font rules | For DVB HTML user agents the style sheet referred to by CSS 2 (see UA default stylesheet in CSS 2 [39]) will consist of the stylesheet in annex AB. This stylesheet is not directly accessible to DVB HTML applications. In addition to the style entries listed in the appendix, this stylesheet shall also provide @font-face ... |
7b7f70c9376325894becb0e57e5b31ab | 102 727 | 8.8.8.1.1 Extending the simple rule | An implementation may additionally include unicode-range: data for the installed fonts, and other "Descriptors for Matching" (CSS 2 [39], section 15.3.6), which might be used, e.g. for font-size-adjust. |
7b7f70c9376325894becb0e57e5b31ab | 102 727 | 8.8.8.1.2 Fallback for italic, small caps and font stretch | The rules above imply that the available fonts cover all variations of italic, small-caps and font-stretch. An implementation that only had the minimum installed fonts should present the same (plain) style glyphs for any combination of the styles required by CSS 2. NOTE: This allows an author to use font-style: italic,... |
7b7f70c9376325894becb0e57e5b31ab | 102 727 | 8.9 Xlet integration | DVB-HTML defines an <object> element that may be used for embedded Xlets. For <object> elements used for embedded Xlets the type should be set to "application/dvbj", the <object> element may contain <param> elements containing run time arguments for the Xlet defined by the <object> element. The sequence of these argume... |
7b7f70c9376325894becb0e57e5b31ab | 102 727 | 8.9.1 Object element | When used to include an Xlet inner application the following object element attributes semantics shall apply: declare: when present, makes the current object definition a declaration only. The object must be instantiated by a subsequent object definition referring to this declaration. classid: specifies the location of... |
7b7f70c9376325894becb0e57e5b31ab | 102 727 | 8.9.2 Param element | The param element is defined for embedding inner application Xlets as follows: <!ELEMENT param EMPTY> <!ATTLIST param id ID #IMPLIED name CDATA #REQUIRED value CDATA #IMPLIED valuetype (data|ref|object) "data" type CDATA #IMPLIED > where the specified attributes are defined as follows: id: is a unique identifier for th... |
7b7f70c9376325894becb0e57e5b31ab | 102 727 | 8.9.3 Example | The following is an example of using object and param elements in order to include an Xlet inner application in a DVB-HTML document: <object id = "slideShow" codetype = "application/dvbj" classid = "slideShow.class" codebase = "first_xlet/" height = "180" width = "320"> <param name = "arg_0" value = "Everest"/> <param ... |
7b7f70c9376325894becb0e57e5b31ab | 102 727 | 8.10 Scripting | ECMAScript is a simple lightweight object-oriented scripting language for manipulating computational objects within a host environment. The present document requires ECMAScript as defined in ECMA-262 [33]. |
7b7f70c9376325894becb0e57e5b31ab | 102 727 | 8.10.1 DOM 2 binding | The present document requires the DOM 2 binding libraries for the interfaces required in clause 8.11, "Document Object Model (DOM)" as defined in the respective references. |
7b7f70c9376325894becb0e57e5b31ab | 102 727 | 8.10.2 Interface between ECMAScript and DVB-J | By allowing DVB-J to expose APIs to ECMAScript, applications may be created which are a hybrid of DVB-J and DVB-HTML/ECMAScript. For example, the core engine for a particular application could be implemented in DVB-J and the user interface and graphical content implemented in DVB-HTML/ECMAScript. |
7b7f70c9376325894becb0e57e5b31ab | 102 727 | 8.10.2.1 ECMAScript APIs for accessing DVB-J | Public DVB-J: packages, classes, methods and fields shall be visible in ECMAScript using a property of the global object called Packages. For example, RMI's Naming class would be accessed using Packages.java.rmi.Naming. The java.lang package is accessed using Packages.java.lang. In addition to DVB-J classes, class file... |
7b7f70c9376325894becb0e57e5b31ab | 102 727 | 8.10.2.2 Inter-Xlet and Xlet-ECMAscript Communication via org.dvb.ixc | In MHP, Xlets are allowed to communicate with each other by exporting objects via the org.dvb.io.ixc APIs described in clause 11.7.3, "Inter-Application and Inter-Xlet communication API" and annex Y, "Inter-application and Inter-Xlet communication API". When an Xlet wishes to export an object so that it is visible to o... |
7b7f70c9376325894becb0e57e5b31ab | 102 727 | 8.10.2.3 Security | The DVB-J security model applies to the application as a whole, hence an Xlet embedded in a DVB-HTML document has the privileges of the overall DVB-HTML application. ECMAScript may directly invoke DVB-J with the same permissions as the overall application. See also clause 8.14, "Security of DVB-HTML applications". NOTE... |
7b7f70c9376325894becb0e57e5b31ab | 102 727 | 8.10.2.4 Implicit Method Selection | When more than one method signature matches the set of arguments, argument preference is compared for each argument starting with the first, until one signature has a preferred match. Preference is determined from the argument conversion tables in the following clause. In those tables, type conversions are listed in de... |
7b7f70c9376325894becb0e57e5b31ab | 102 727 | 8.10.2.5 Explicit Method Selection | Methods may be selected explicitly by referring to a method as if it were an element of an ECMAScript associative array indexed by the signature, e.g.: new Packages["java.lang.String"]["(char[])"](c); |
7b7f70c9376325894becb0e57e5b31ab | 102 727 | 8.10.2.6 Static Method Invocation | Static methods of a Java class shall be invocable from ECMAScript either on the JavaClass object or on an instance of the class. |
7b7f70c9376325894becb0e57e5b31ab | 102 727 | 8.10.2.7 Method Signature Matching | Typically, methods invoked from ECMAScript are designed for that purpose and unambiguous. In most cases, it is probably sufficient to leave method selection up to the implementation, however the tables below define both the preferred order used for selecting signatures and the type conversion invoked when an argument i... |
7b7f70c9376325894becb0e57e5b31ab | 102 727 | 8.10.2.8 New ECMAScript Object Types | ECMAScript is a loosely typed language with few fundamental types (mainly: Number, Boolean, String, Object, Null and Undefined). In order to access DVB-J 's richer type structure, three new ECMAScript object types are introduced to support values returned from calls to DVB-J. Table 18: New ECMAScript Object Types ECMAS... |
7b7f70c9376325894becb0e57e5b31ab | 102 727 | 8.10.2.9 Type Conversion (ECMAScript to DVB-J) | In the following tables conversions are listed in decreasing order of preference (from top to bottom within the table and from left to right within each table row). Conversions that are not listed are not allowed. When the ECMAScript parameter is a boolean, conversion is performed as follows. Table 19: Conversion from ... |
7b7f70c9376325894becb0e57e5b31ab | 102 727 | 8.10.2.10 Subclassing and Interface Instance Creation | Instances of an instantiable Java class can be create by using the "new" operator on the Java class, e.g.: new Packages.java.lang.String("astring"); The parameters are passed to the constructor using the type conversion rules above. This mechanism is extended to allow the creation of instances of classes that must be s... |
7b7f70c9376325894becb0e57e5b31ab | 102 727 | 8.10.2.11 Type Conversion (DVB-J to ECMAScript) | Type conversion of return values occurs as follows. Table 26: Conversion from DVB-J types DVB-J Return Value Type Conversion to ECMAScript type double, float, long, short, int, byte, char Direct conversion to number boolean Direct conversion to boolean array JavaArray java.lang.Class JavaClass Object wrapped around ECM... |
7b7f70c9376325894becb0e57e5b31ab | 102 727 | 8.10.2.12 Catching DVB-J Exceptions in ECMAScript | DVB-J exceptions are thrown back into ECMAScript when the underlying DVB-J method throws an exception, or an exception is generated as part of the attempted type conversion from ECMAScript to DVB-J (see type conversions above). For example, the following ECMAScript: try { Packages.java.lang.Class.forName("someClass"); ... |
7b7f70c9376325894becb0e57e5b31ab | 102 727 | 8.11 Document Object Model (DOM) | DOM is a platform and language neutral interface that provides programmatic access to the content, structure and style of documents. Support for language bindings for the DOM for both Java language and ECMAScript is required. Table 27: Supported DOM modules DOM Module Where specified Required Package Feature String Lev... |
7b7f70c9376325894becb0e57e5b31ab | 102 727 | 8.11.1 DOM Level 2 Events | |
7b7f70c9376325894becb0e57e5b31ab | 102 727 | 8.11.1.1 Fundamental interfaces | DVB-HTML shall support the events module as defined in Document Object Model (DOM) Level 2 Events Specification [36] (which includes the following interfaces: EventTarget, EventListener, DocumentEvent, Event and EventException). |
7b7f70c9376325894becb0e57e5b31ab | 102 727 | 8.11.1.2 Event interfaces | The following event sets from Document Object Model (DOM) Level 2 Events Specification [36] shall be supported: • UIEvent. • MutationEvent. It is not required to support the following event sets: • HTML events. NOTE: Equivalents to the Load and Unload events are provided, see clause 9.3.4, "Application activity events"... |
7b7f70c9376325894becb0e57e5b31ab | 102 727 | 8.11.2 DVB Events DOM module | A DOM application can use the hasFeature method of the DOM implementation interface to determine that this module is supported. The feature string for all interfaces listed in this module is "DVBEvents" and the version "2.0". |
7b7f70c9376325894becb0e57e5b31ab | 102 727 | 8.11.2.1 Key events | DVB-HTML will provide the W3C event bindings for keyboard and remote control events in a later release of the present document when the W3C Dom level 3 events specification is finalized. Until such time, scripting will have access to key events as specified in an additional DVB DOM module specified in clause 8.11.3, "D... |
7b7f70c9376325894becb0e57e5b31ab | 102 727 | 8.11.2.2 Lifecycle events | This clause provides the mapping of DVB-HTML life cycle events to the DOM event model. |
7b7f70c9376325894becb0e57e5b31ab | 102 727 | 8.11.2.2.1 Interface DVBLifecycleEvent | The DVBLifecycleEvent interface provides specific contextual information to a DVB-HTML application associated with its lifecycle. All lifecycle events are delivered to the root element of the document in the root frame of an application and follow the normal event delivery rules in Document Object Model (DOM) Level 2 E... |
7b7f70c9376325894becb0e57e5b31ab | 102 727 | 8.11.2.2.2 Event definitions | 8.11.2.2.2.1 AppStarting This event is given to the DVB-HTML application whilst in the Active state if and only if it is signalled as PREFETCH. The user agent sends this event when it receives the dvb.start event. After receiving the dvb.start event and prior to sending this event the user agent begins displaying the D... |
7b7f70c9376325894becb0e57e5b31ab | 102 727 | 8.11.2.2.3 State transition summary | The following table summarizes the allowed transitions in the lifecycle model (see clause 9.3.3, "The State Model"). Table 28a State transition Loading Active Paused Destroyed Killed Loading to no yes 1 no yes 2 yes 3 Active to no no yes 4 yes 5 yes 6 Paused to no yes 7 no yes 8 yes 9 Destroyed to no no no no yes 10 Ki... |
7b7f70c9376325894becb0e57e5b31ab | 102 727 | 8.11.2.3 Additional DVB Events | |
7b7f70c9376325894becb0e57e5b31ab | 102 727 | 8.11.2.3.1 Trigger events | See clause 8.7, "Synchronization". |
7b7f70c9376325894becb0e57e5b31ab | 102 727 | 8.11.2.3.2 DVBDOMStable event | This event signals the completion of the current document DOM construction. After the receipt of this event the DOM structure of the document will be complete, however the DOM structure in sub-frames or in-line frames may not be complete and resources such as the contents of images may not have finished loading. Prior ... |
7b7f70c9376325894becb0e57e5b31ab | 102 727 | 8.11.2.3.3 DVB-HTML events | These events use the base Event interface to pass contextual information. The following types are allowed: load: The load event occurs when the DOM implementation finishes loading all content within a document, all frames within a <frame>, or an <object> element. • Bubbles: No. • Cancelable: No. • Context Info: None. u... |
7b7f70c9376325894becb0e57e5b31ab | 102 727 | 8.11.3 DVB Key events DOM module | A DOM application may use the hasFeature( feature, version ) method of the DOMImplementation interface with parameter values "DVBKeyEvents" and "2.0" (respectively) to determine whether or not the event module is supported by the implementation. The feature string is also used with the createEvent method. It is impleme... |
7b7f70c9376325894becb0e57e5b31ab | 102 727 | 8.11.3.1 Interface DVBKeyEvent | The DVBKeyEvent interface provides specific contextual information associated with Remote Control and Keyboard Events. The interface is able to describe the representation of a key event as a string, color or symbol (such as a triangle, ">", for "play"). This allows an application to describe a button on an input devic... |
7b7f70c9376325894becb0e57e5b31ab | 102 727 | 8.11.3.1.1 IDL Definition | // Introduced in MHP 1.1: interface DVBKeyEvent : UIEvent { readonly attribute unsigned long when; readonly attribute unsigned long modifiers; readonly attribute unsigned long keyCode; readonly attribute DOMString keyChar; readonly attribute DOMString color; readonly attribute DOMString symbol; void initDVBKeyEvent(in ... |
7b7f70c9376325894becb0e57e5b31ab | 102 727 | 8.11.3.1.2 Attributes | Table 29: Key event attributes Name Readonly Type Description when yes unsigned long The timestamp for the event. modifiers yes unsigned long Indication of any modification keys active for the event. keyCode yes unsigned long The key code of the key associates with this event. keyChar yes unsigned long The character re... |
7b7f70c9376325894becb0e57e5b31ab | 102 727 | 8.11.3.1.3 Methods | Table 30: Key Event Method Method Name Description initDVBKeyEvent This method is used to initialize the value of a keyboard event. This method may only be called before the key event has been dispatched via the dispatchEvent method, though it may be called multiple times during that phase if necessary. If called multi... |
7b7f70c9376325894becb0e57e5b31ab | 102 727 | 8.11.4 DVB-HTML DOM module | |
7b7f70c9376325894becb0e57e5b31ab | 102 727 | 8.11.4.1 Conformance | A DVB-HTML user agent shall be considered as being an HTML-only DOM implementation as defined in the W3C Document Object Model (DOM) Level 2 Core Specification [34], so that conformance statements in DOM Level 2 applying to those kinds of implementation will apply also to a DVB-HTML user agent. E.g. a DVB-HTML DOM impl... |
7b7f70c9376325894becb0e57e5b31ab | 102 727 | 8.11.4.2 Differences from W3C DOM Level 1 HTML interfaces | The W3C DOM 1 HTML interfaces were designed in order to provide convenience functions to manipulate HTML 4.0 documents and also to create documents from scratch. The DOM DVB-HTML module has been defined with the objective to manipulate DVB-HTML documents without any intention to create them. In general, the DOM DVB-HTM... |
7b7f70c9376325894becb0e57e5b31ab | 102 727 | 8.11.4.3 Extensions | |
7b7f70c9376325894becb0e57e5b31ab | 102 727 | 8.11.4.3.1 Enumerations | In DVB-HTML, some element attributes can be set to a limited number of values. In order to be as much as possible in line with the IDL defined in the W3C DOM 1 HTML, the present document does not use the IDL enum. For attributes that take a limited set of values (i.e. an enumeration) the following semantics shall apply... |
7b7f70c9376325894becb0e57e5b31ab | 102 727 | 8.11.4.3.2 Initial and current values of form controls | Form controls that accept a user input, e.g. text area, option, text, password, checkbox, radio button, have both an initial value and a current value. The names and the types of these values depend on the type of the control. When a control is created, the means by which the initial value is set depends on the control... |
7b7f70c9376325894becb0e57e5b31ab | 102 727 | 8.11.4.4 System aspects | |
7b7f70c9376325894becb0e57e5b31ab | 102 727 | 8.11.4.4.1 Access to the document | 8.11.4.4.1.1 Java The DVB DOM Implementation shall implement the org.dvb.dom API as defined in clause 11.13.1, "Document object model APIs". This will provide applications a handle to the DVB-HTML document object model. 8.11.4.4.1.2 ECMAScript The DVB DOM implementation shall provide to applications a document object t... |
7b7f70c9376325894becb0e57e5b31ab | 102 727 | 8.11.4.4.2 DOM DVB-HTML module | A DOM application can use the hasFeature method of the DOMImplementation interface to determine whether this module is supported or not. The feature string for all the interfaces listed in this module is "DVBHTML" and the version is ".0". |
7b7f70c9376325894becb0e57e5b31ab | 102 727 | 8.11.4.4.3 DOM modification | 8.11.4.4.3.1 DOM access Any DOM call from the DOM DVB-HTML module shall be synchronous. As such, any subsequent calls can assume that they can operate on a DOM structure updated accordingly to the previous call. 8.11.4.4.3.2 Synchronization with renderer actions Wherever applicable, any required impact on the visual re... |
7b7f70c9376325894becb0e57e5b31ab | 102 727 | 8.11.4.5 Miscellaneous interfaces | This clause describes various utility interfaces of the DOM DVB-HTML module. |
7b7f70c9376325894becb0e57e5b31ab | 102 727 | 8.11.4.5.1 DVB-HTMLCollection Interface | A DVBHTMLCollection is a list of DVB-HTML elements. An individual element may be accessed by either ordinal index or the element's id attribute. NOTE: Collections in the DVB-HTML DOM are assumed to be dynamic meaning that they are automatically updated when the underlying document is modified. ETSI ETSI TS 102 727 V1.1... |
7b7f70c9376325894becb0e57e5b31ab | 102 727 | 8.11.4.5.2 DVBHTMLDocument Interface | A DVBHTMLDocument is the root of the DVB-HTML document hierarchy and holds the entire content. Besides providing access to the hierarchy, it also provides some convenience methods for accessing certain sets of information from the document. 8.11.4.5.2.1 IDL Definition interface DVBHTMLDocument : Document { readonly att... |
7b7f70c9376325894becb0e57e5b31ab | 102 727 | 8.11.4.6 DVB-HTML element related interfaces | |
7b7f70c9376325894becb0e57e5b31ab | 102 727 | 8.11.4.6.1 DVBHTMLElement Interface | All DVB-HTML element interfaces derive from this class. 8.11.4.6.1.1 IDL Definition interface DVBHTMLElement : Element { attribute DOMString className; attribute DOMString dir; attribute DOMString id; attribute DOMString lang; attribute DOMString title; }; 8.11.4.6.1.2 Attributes The semantics of the attributes associa... |
7b7f70c9376325894becb0e57e5b31ab | 102 727 | 8.11.4.6.2 DVBHTMLAnchorElement Interface | This interface models the anchor element, corresponding to the DVB-HTML <a> tag. It represents a source anchor, the <A> tag with the href attribute, or a destination anchor, the <a> tag with the id attribute. 8.11.4.6.2.1 IDL Definition interface DVBHTMLAnchorElement : DVBHTMLElement { attribute DOMString accessKey; at... |
7b7f70c9376325894becb0e57e5b31ab | 102 727 | 8.11.4.6.3 DVBHTMLMapElement Interface | This interface models a client-side image map. See the MAP element definition in HTML 4 [41]. 8.11.4.6.3.1 IDL definition interface DVBHTMLMapElement : DVBHTMLElement { readonly attribute DVBHTMLCollection areas; // DVB-HTML Type coherence }; The semantics of the attributes associated with this interface are the same a... |
7b7f70c9376325894becb0e57e5b31ab | 102 727 | 8.11.4.6.4 DVBHTMLAreaElement Interface | This interface models an image map area which can triggers an action when the user clicks on it. 8.11.4.6.4.1 IDL Definition interface DVBHTMLAreaElement : DVBHTMLElement { attribute DOMString accessKey; attribute DOMString alt; attribute DOMString href; attribute boolean nohref; attribute DOMString target; // Diverge ... |
7b7f70c9376325894becb0e57e5b31ab | 102 727 | 8.11.4.6.5 DVBHTMLButtonElement Interface | DVBHTMLButtonElement represents the DVB-HTML <button> tag. 8.11.4.6.5.1 IDL Definition interface DVBHTMLButtonElement : DVBHTMLElement { attribute DOMString accessKey; attribute boolean disabled; readonly attribute DVBHTMLFormElement form; // DVB-HTML Type coherence attribute DOMString name; readonly attribute DOMStrin... |
7b7f70c9376325894becb0e57e5b31ab | 102 727 | 8.11.4.6.6 DVBHTMLFormElement Interface | The DVBHTMLFORMElement encompasses behaviour similar to a collection and an element. It provides direct access to the contained input elements as well as the attributes of the form element. See the FORMElement definition in HTML 4 [41]. 8.11.4.6.6.1 IDL Definition interface DVBHTMLFormElement : DVBHTMLElement { attribu... |
7b7f70c9376325894becb0e57e5b31ab | 102 727 | 8.11.4.6.7 DVBHTMLFrameElement Interface | 8.11.4.6.7.1 IDL Definition interface DVBHTMLFrameElement : DVBHTMLElement { readonly attribute Document contentDocument; readonly attribute DOMString frameBorder; // Diverge from W3C DOM HTML attribute DOMString longDesc; readonly attribute DOMString marginHeight // Diverge from W3C DOM HTML readonly attribute DOMStri... |
7b7f70c9376325894becb0e57e5b31ab | 102 727 | 8.11.4.6.8 DVBHTMLFrameSetElement Interface | 8.11.4.6.8.1 IDL Definition interface DVBHTMLFrameSetElement : DVBHTMLElement { readonly attribute DOMString cols; // Diverge from W3C DOM HTML readonly attribute DOMString rows; // Diverge from W3C DOM HTML }; The semantics of the attributes associated with this interface are the same as the semantics associated with ... |
7b7f70c9376325894becb0e57e5b31ab | 102 727 | 8.11.4.6.9 DVBHTMLIFrameElement Interface | 8.11.4.6.9.1 IDL Definition interface DVBHTMLIFrameElement : DVBHTMLElement { attribute DOMString frameBorder; attribute DOMString longDesc; attribute DOMString scrolling; attribute DOMString src; attribute DVBHTMLDocument contentDocument; }; The semantics of the attributes associated with this interface are the same a... |
7b7f70c9376325894becb0e57e5b31ab | 102 727 | 8.11.4.6.10 DVBHTMLImageElement Interface | 8.11.4.6.10.1 IDL Definition interface DVBHTMLImageElement : DVBHTMLElement { attribute DOMString alt; attribute DOMString height; // Extension to W3C DOM HTML attribute DOMString longDesc; attribute DOMString lowSrc; attribute DOMString src; readonly attribute DOMString useMap; // Diverge from W3C DOM HTML attribute D... |
7b7f70c9376325894becb0e57e5b31ab | 102 727 | 8.11.4.6.11 DVBHTMLObjectElement Interface | 8.11.4.6.11.1 IDL Definition interface DVBHTMLObjectElement : DVBHTMLElement { attribute DOMString archive; attribute DOMString code; attribute DOMString codeBase; attribute DOMString codeType; readonly attribute DVBHTMLDocument contentDocument; // Introduced in DVB-HTML: attribute DOMString data; attribute boolean dec... |
7b7f70c9376325894becb0e57e5b31ab | 102 727 | 8.11.4.6.12 DVBHTMLInputElement Interface | 8.11.4.6.12.1 IDL Definition interface DVBHTMLInputElement : DVBHTMLElement { attribute DOMString accept; attribute DOMString accessKey; attribute DOMString alt; attribute boolean checked; // Extension to W3C DOM HTML attribute DOMString defaultValue; // Extension to W3C DOM HTML attribute boolean defaultChecked; // Ex... |
7b7f70c9376325894becb0e57e5b31ab | 102 727 | 8.11.4.6.13 DVBHTMLOptionElement Interface | This interface models the <option> element. 8.11.4.6.13.1 IDL Definition interface DVBHTMLOptionElement : DVBHTMLElement { attribute boolean defaultSelected; // Extension to W3C DOM HTML attribute boolean disabled; readonly attribute DVBHTMLFormElement form; // DVB-HTML Type coherence readonly attribute long index; att... |
7b7f70c9376325894becb0e57e5b31ab | 102 727 | 8.11.4.6.14 DVBHTMLSelectElement Interface | This interface represents the <select> control which allows the selection of one or multiple options among a list. Some graphical user agents represent single and multiple selection with different types of widgets. Options can be grouped inside an option group, for presentational reasons, or directly inserted in the se... |
7b7f70c9376325894becb0e57e5b31ab | 102 727 | 8.11.4.6.15 DVBHTMLTextAreaElement Interface | This interface represents a multiline text area. It refers to the <textarea> DVB-HTML tag. 8.11.4.6.15.1 IDL Definition interface DVBHTMLTextArea : DVBHTMLElement { attribute DOMString accessKey; readonly attribute unsigned long cols; // Diverge from W3C DOM HTML attribute DOMString defaultValue; // Extension to W3C DO... |
7b7f70c9376325894becb0e57e5b31ab | 102 727 | 8.11.5 DVB Exceptions | DOM operations may raise exceptions in "exceptional" circumstances. In general, DVB-HTML will raise exceptions defined by Document Object Model (DOM) Level 2 Core Specification [34], however certain methods in DVB-HTML raise other exceptions under other circumstances. In DVB-HTML the DVBException is defined, this is in... |
7b7f70c9376325894becb0e57e5b31ab | 102 727 | 8.11.5.1 DVBException | The value returned by the typeof operator for DVBException shall be "dvbexception". ETSI ETSI TS 102 727 V1.1.1 (2010-01) 111 |
7b7f70c9376325894becb0e57e5b31ab | 102 727 | 8.11.5.1.1 IDL Definition | exception DVBException { unsigned short code; }; // ExceptionCode // Introduced in DVB-HTML: const unsigned short NON_CONFORMANT_ERR = 601; const unsigned short SECURITY_VIOLATION_ERR = 602; const unsigned short WINDOW_NOT_FOUND_ERR = 603; const unsigned short SUBCLASS_NOT_ALLOWED_ERR = 604; const unsigned short CONVER... |
7b7f70c9376325894becb0e57e5b31ab | 102 727 | 8.11.5.1.2 Defined Constants | NON_CONFORMANT_ERR: An operation attempted to alter the DOM in such a way as would make the document non-conformant. SECURITY_VIOLATION_ERR: An operation failed because the application did not have sufficient permission to perform it. WINDOW_NOT_FOUND_ERR: The application attempted to open a window which was not part o... |
7b7f70c9376325894becb0e57e5b31ab | 102 727 | 8.11.6 Language bindings | |
7b7f70c9376325894becb0e57e5b31ab | 102 727 | 8.11.6.1 ECMAScript Binding | See annex AC, "ECMAScript Binding". |
7b7f70c9376325894becb0e57e5b31ab | 102 727 | 8.11.6.2 Java Binding | See annex AD, "Support for DVB-HTML". |
7b7f70c9376325894becb0e57e5b31ab | 102 727 | 8.11.7 DVB Environment object module | A DOM application can use the hasFeature method of the DOM implementation interface to determine that this module is supported. The feature string for all interfaces listed in this module is "DVBEnvironment" and the version "2.0". |
7b7f70c9376325894becb0e57e5b31ab | 102 727 | 8.11.7.1 Free variables | DVB-HTML shall support ECMAScript access to certain APIs is through a number of variables, which get bound in each page context: • document; • navigator; • window. Each DVB-HTML application shall see different Navigator, Document and Window objects, Only one Navigator object is created per application lifetime (therefo... |
7b7f70c9376325894becb0e57e5b31ab | 102 727 | 8.11.7.2 Environmental host objects | |
7b7f70c9376325894becb0e57e5b31ab | 102 727 | 8.11.7.2.1 Navigator Object | Represents the browser itself, the navigator free variable is of this type. This is supported in DVB-HTML with the following attributes and methods. 8.11.7.2.1.1 IDL Definition interface Navigator { readonly attribute String appCodeName; readonly attribute String appName; readonly attribute String appVersion; readonly ... |
7b7f70c9376325894becb0e57e5b31ab | 102 727 | 8.11.7.2.2 Window object | Represents a top-level browser window or a frame. There is only one top-level window per DVB-HTML application, (i.e. whose parent is NULL). Other window objects in an application represent frames in a frameset. The top level Window object of an application is created in the CSS initial containing block for the applicat... |
7b7f70c9376325894becb0e57e5b31ab | 102 727 | 8.11.8 CSS Support | |
7b7f70c9376325894becb0e57e5b31ab | 102 727 | 8.11.8.1 DVB CSS DOM module | DVB-HTML does not require support for the DOM-2 CSS modules, however it does require support of the this simpler CSS module. A DOM application can use the hasFeature method of the DOM implementation interface to determine that this module is supported. The feature string for all interfaces listed in this module is "DVB... |
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