com.blackledge.david.tivo.gadgets
Class RSSListScreen

java.lang.Object
  com.tivo.hme.sdk.HmeObject
      com.tivo.hme.sdk.View
          com.tivo.hme.bananas.BView
              com.tivo.hme.bananas.BScreen
                  com.blackledge.david.tivo.gadgets.RSSListScreen

All Implemented Interfaces:

com.tivo.hme.bananas.IBananas, com.tivo.hme.bananas.IHighlightsLayout, com.tivo.hme.sdk.IHmeEventHandler, com.tivo.hme.sdk.IHmeProtocol

public class RSSListScreen
extends com.tivo.hme.bananas.BScreen

Screen that displays RSS Feed information, displaying the current item's title, pubDate, and Description at the top of the screen. Posts "action" events of RIGHT and SELECT when the user does that, and QUIT when the user hits the "left" key (all via GenericList).

Version:

$Revision: 1.4 $

Field Summary

static String	QUIT
static String	RIGHT
static String	SELECT

Fields inherited from interface com.tivo.hme.bananas.IBananas

A_ANCHOR_MASK, A_BOTTOM, A_CENTER, A_DELTA_MASK, A_LEFT, A_NEGATIVE_MASK, A_RIGHT, A_TOP, ARROW_NAMES, BAR_DEFAULT, BAR_HANG, BEVT_ACTION, BEVT_FOCUS, BEVT_SCREEN_ENTER, BEVT_SCREEN_EXIT, H_BAR, H_DOWN, H_KEYBOARD, H_LEFT, H_PAGEDOWN, H_PAGEUP, H_RIGHT, H_UP, H_VIS_FALSE, H_VIS_FOCUS, H_VIS_TRUE, TRANSITION_FADE, TRANSITION_LEFT, TRANSITION_NONE

Fields inherited from interface com.tivo.hme.sdk.IHmeProtocol

APP_ERROR_BAD_ARGUMENT, APP_ERROR_BAD_COMMAND, APP_ERROR_OTHER, APP_ERROR_OUT_OF_MEMORY, APP_ERROR_RSRC_NOT_FOUND, APP_ERROR_UNKNOWN, APP_ERROR_VIEW_NOT_FOUND, CMD_RECEIVER_ACKNOWLEDGE_IDLE, CMD_RECEIVER_TRANSITION, CMD_RESERVED, CMD_RSRC_ADD_ANIM, CMD_RSRC_ADD_COLOR, CMD_RSRC_ADD_FONT, CMD_RSRC_ADD_IMAGE, CMD_RSRC_ADD_SOUND, CMD_RSRC_ADD_STREAM, CMD_RSRC_ADD_TEXT, CMD_RSRC_ADD_TTF, CMD_RSRC_CLOSE, CMD_RSRC_REMOVE, CMD_RSRC_SEND_EVENT, CMD_RSRC_SET_ACTIVE, CMD_RSRC_SET_POSITION, CMD_RSRC_SET_SPEED, CMD_VIEW_ADD, CMD_VIEW_REMOVE, CMD_VIEW_SET_BOUNDS, CMD_VIEW_SET_PAINTING, CMD_VIEW_SET_RESOURCE, CMD_VIEW_SET_SCALE, CMD_VIEW_SET_TRANSLATION, CMD_VIEW_SET_TRANSPARENCY, CMD_VIEW_SET_VISIBLE, EVT_APP_INFO, EVT_DEVICE_INFO, EVT_FONT_INFO, EVT_IDLE, EVT_INIT_INFO, EVT_KEY, EVT_RESERVED, EVT_RSRC_INFO, FONT_BOLD, FONT_BOLDITALIC, FONT_ITALIC, FONT_METRICS_BASIC, FONT_METRICS_GLYPH, FONT_PLAIN, ID_ALERT_SOUND, ID_BONK_SOUND, ID_CLIENT, ID_CLIENT_PRE_0_38, ID_DEFAULT_TTF, ID_DESELECT_SOUND, ID_ERROR_SOUND, ID_LEFT_SOUND, ID_NULL, ID_PAGEDOWN_SOUND, ID_PAGEUP_SOUND, ID_RESERVED, ID_RIGHT_SOUND, ID_ROOT_STREAM, ID_ROOT_VIEW, ID_SELECT_SOUND, ID_SLOWDOWN1_SOUND, ID_SPEEDUP1_SOUND, ID_SPEEDUP2_SOUND, ID_SPEEDUP3_SOUND, ID_SYSTEM_TTF, ID_THUMBSDOWN_SOUND, ID_THUMBSUP_SOUND, ID_TIVO_SOUND, ID_UPDOWN_SOUND, KEY_ADVANCE, KEY_CHANNELDOWN, KEY_CHANNELUP, KEY_CLEAR, KEY_DISPLAY, KEY_DOWN, KEY_ENTER, KEY_FORWARD, KEY_INFO, KEY_LEFT, KEY_LIVETV, KEY_MUTE, KEY_NUM0, KEY_NUM1, KEY_NUM2, KEY_NUM3, KEY_NUM4, KEY_NUM5, KEY_NUM6, KEY_NUM7, KEY_NUM8, KEY_NUM9, KEY_OPT_ANGLE, KEY_OPT_ASPECT, KEY_OPT_DVD, KEY_OPT_EXIT, KEY_OPT_GUIDE, KEY_OPT_LIST, KEY_OPT_MENU, KEY_OPT_PIP, KEY_OPT_STOP, KEY_OPT_TOP_MENU, KEY_OPT_WINDOW, KEY_PAUSE, KEY_PLAY, KEY_PRESS, KEY_RECORD, KEY_RELEASE, KEY_REPEAT, KEY_REPLAY, KEY_REVERSE, KEY_RIGHT, KEY_SELECT, KEY_SLOW, KEY_THUMBSDOWN, KEY_THUMBSUP, KEY_TIVO, KEY_UNKNOWN, KEY_UP, KEY_VOLUMEDOWN, KEY_VOLUMEUP, LIMIT_CMD_NBYTES, LIMIT_EVENT_NBYTES, LIMIT_FONT_POINT_SIZE, LIMIT_IMAGE_HEIGHT, LIMIT_IMAGE_NBYTES, LIMIT_IMAGE_WIDTH, LIMIT_SOUND_NBYTES, LIMIT_TEXT_NBYTES, LIMIT_URL_NBYTES, LIMIT_VIEW_DEPTH, MAGIC, RSRC_ERROR_BAD_ARGUMENT, RSRC_ERROR_BAD_DATA, RSRC_ERROR_BAD_MAGIC, RSRC_ERROR_BAD_STATE, RSRC_ERROR_BAD_VERSION, RSRC_ERROR_CONNECT_FAILED, RSRC_ERROR_CONNECTION_LOST, RSRC_ERROR_CONNECTION_TIMEOUT, RSRC_ERROR_HOST_NOT_FOUND, RSRC_ERROR_INCOMPATIBLE, RSRC_ERROR_NOT_SUPPORTED, RSRC_ERROR_OTHER, RSRC_ERROR_UNKNOWN, RSRC_HALIGN_CENTER, RSRC_HALIGN_LEFT, RSRC_HALIGN_MASK, RSRC_HALIGN_RIGHT, RSRC_IMAGE_BESTFIT, RSRC_IMAGE_HFIT, RSRC_IMAGE_MASK, RSRC_IMAGE_VFIT, RSRC_STATUS_CLOSED, RSRC_STATUS_COMPLETE, RSRC_STATUS_CONNECTED, RSRC_STATUS_CONNECTING, RSRC_STATUS_ERROR, RSRC_STATUS_LOADING, RSRC_STATUS_PAUSED, RSRC_STATUS_PLAYING, RSRC_STATUS_READY, RSRC_STATUS_SEEKING, RSRC_STATUS_UNKNOWN, RSRC_TEXT_MASK, RSRC_TEXT_WRAP, RSRC_VALIGN_BOTTOM, RSRC_VALIGN_CENTER, RSRC_VALIGN_MASK, RSRC_VALIGN_TOP, SAFE_ACTION_H, SAFE_ACTION_V, SAFE_TITLE_H, SAFE_TITLE_V, TRANSITION_BACK, TRANSITION_FORWARD, TRANSITION_TELEPORT, VERSION, VERSION_0_38, VERSION_0_40, VERSION_MAJOR, VERSION_MINOR, VERSION_STRING

Constructor Summary

RSSListScreen(com.tivo.hme.bananas.BApplication app, Document rss)

RSSListScreen(com.tivo.hme.bananas.BApplication app, String url)

Method Summary

protected void	finalize()
protected List	getChildElementsByTagName(Element parentElement, String name) Often we want to work with all the subtags of a given name (or just all subtags) - this gets them for us.
Object	getCurrentItem()
static String	getUrlContent(URL _url, String contentTypeSubstring) TODO move to utility.
boolean	handleEnter(Object arg, boolean isReturn)
boolean	handleExit()

Methods inherited from class com.tivo.hme.bananas.BScreen

getAbove, getBelow, getFocus, getFocusDefault, getNormal, handleAction, handleEvent, handleFocus, setFocus, setFocusDefault

Methods inherited from class com.tivo.hme.bananas.BView

getBApp, getFocusBounds, getHighlightBounds, getHighlightIsVisible, getHighlights, getScreen, handleKeyPress, hasFocus, isAncestorOf, isFocusable, setFocusable, setHighlights, toScreen, toScreen, toScreenBounds, toScreenBounds, toString

Methods inherited from class com.tivo.hme.sdk.View

clearResource, dump, getBounds, getChild, getChildCount, getFlags, getHeight, getLocation, getPainting, getParent, getResource, getScaleX, getScaleY, getSize, getTranslate, getTranslationX, getTranslationY, getTransparency, getVisible, getWidth, getX, getY, handleFocus, layoutText, postEvent, remove, remove, setBounds, setBounds, setFocus, setLocation, setLocation, setPainting, setResource, setResource, setResource, setResource, setScale, setScale, setSize, setSize, setTranslation, setTranslation, setTransparency, setTransparency, setVisible, setVisible, translate, translate

Methods inherited from class com.tivo.hme.sdk.HmeObject

createAnimation, createAnimation, createColor, createFont, createFont, createImage, createImage, createImage, createImage, createSound, createSound, createSound, createStream, createStream, createStream, createText, createTrueType, flush, getApp, getContext, getID, getResource, handleKeyRelease, handleKeyRepeat, parseQuery, play, rsrcFlagsToString, toString

Methods inherited from class java.lang.Object

clone, equals, getClass, hashCode, notify, notifyAll, wait, wait, wait

Field Detail

RIGHT

public static final String RIGHT

See Also:

Constant Field Values

QUIT

public static final String QUIT

See Also:

Constant Field Values

SELECT

public static final String SELECT

See Also:

Constant Field Values

Constructor Detail

RSSListScreen

public RSSListScreen(com.tivo.hme.bananas.BApplication app,
                     String url)

RSSListScreen

public RSSListScreen(com.tivo.hme.bananas.BApplication app,
                     Document rss)

Method Detail

getCurrentItem

public Object getCurrentItem()

getChildElementsByTagName

protected List getChildElementsByTagName(Element parentElement,
                                         String name)

Often we want to work with all the subtags of a given name (or just all subtags) - this gets them for us.

Parameters:

parentElement -

name - - null means accept all tag names into the list.

Returns:

List containing only Element instances. never null

getUrlContent

public static String getUrlContent(URL _url,
                                   String contentTypeSubstring)
                            throws IOException

TODO move to utility. Get the content of a URL's page as a string.

Parameters:

_url -

contentTypeSubstring - if not null, this method will return null if the contentType of the url's connection is null or doesn't contain this substring.

Returns:

the content, or null if there was a problem

Throws:

IOException - if one happens while reading the stream (if one happens while connecting, null is returned)

finalize

protected void finalize()
                 throws Throwable

Overrides:

finalize in class Object

Throws:

Throwable

handleExit

public boolean handleExit()

Overrides:

handleExit in class com.tivo.hme.bananas.BScreen

handleEnter

public boolean handleEnter(Object arg,
                           boolean isReturn)

Overrides:

handleEnter in class com.tivo.hme.bananas.BScreen