Example usage for android.support.v4.view.accessibility AccessibilityRecordCompat getToIndex

Introduction

In this page you can find the example usage for android.support.v4.view.accessibility AccessibilityRecordCompat getToIndex.

Prototype

public int getToIndex() 

Source Link

Document

Gets the index of text selection end or the index of the last visible item when scrolling.

Usage

From source file:com.android.screenspeak.eventprocessor.ProcessorFocusAndSingleTap.java

private void handleViewScrolled(AccessibilityEvent event, AccessibilityRecordCompat record) {
    AccessibilityNodeInfoCompat source = null;

    int movingDirection;
    boolean wasScrollAction = false;
    if (mActionScrolledNode != null) {
        source = record.getSource();//from w ww .  j  a  va2s  .  com
        if (source == null)
            return;
        if (source.equals(mActionScrolledNode)) {
            movingDirection = getScrollActionDirection(mLastScrollAction);
            wasScrollAction = mLastScrollAction != 0;
            clearScrollAction();
        } else {
            movingDirection = getScrollDirection(event);
        }
    } else {
        movingDirection = getScrollDirection(event);
    }

    followScrollEvent(source, record, movingDirection, wasScrollAction);

    mLastScrollFromIndex = record.getFromIndex();
    mLastScrollToIndex = record.getToIndex();
    mLastScrollX = record.getScrollX();
    mLastScrollY = record.getScrollY();

    tryFocusCachedRecord();
}

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From source file:com.android.talkback.eventprocessor.ProcessorFocusAndSingleTap.java

private void handleViewScrolled(AccessibilityEvent event, AccessibilityRecordCompat record) {
    AccessibilityNodeInfoCompat source = null;

    @TraversalStrategy.SearchDirectionOrUnknown
    int direction;
    boolean wasScrollAction;
    if (mActionScrolledNode != null) {
        source = record.getSource();/*from  w ww.  j  av  a2s.  c  o m*/
        if (source == null)
            return;
        if (source.equals(mActionScrolledNode)) {
            direction = mLastScrollDirection;
            wasScrollAction = true;
            clearScrollAction();
        } else {
            direction = getScrollDirection(event);
            wasScrollAction = false;
        }
    } else {
        direction = getScrollDirection(event);
        wasScrollAction = false;
    }

    followScrollEvent(source, record, direction, wasScrollAction);

    mLastScrollFromIndex = record.getFromIndex();
    mLastScrollToIndex = record.getToIndex();
    mLastScrollX = record.getScrollX();
    mLastScrollY = record.getScrollY();

    tryFocusCachedRecord();
}

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From source file:com.google.android.marvin.mytalkback.ProcessorFocusAndSingleTap.java

private void handleViewScrolled(AccessibilityEvent event, AccessibilityRecordCompat record) {
    mLastViewScrolledEvent = event.getEventTime();

    final AccessibilityNodeInfoCompat source = record.getSource();
    if (source == null) {
        LogUtils.log(this, Log.ERROR, "Drop scroll with no source node");
        return;//  w w w .ja  va 2 s .c om
    }

    // Only move focus if we've already seen the source.
    if (source.equals(mLastScrollSource)) {
        final boolean isMovingForward = (mLastScrollAction == AccessibilityNodeInfo.ACTION_SCROLL_FORWARD)
                || (event.getFromIndex() > mLastScrollFromIndex) || (event.getToIndex() > mLastScrollToIndex);
        final boolean wasScrollAction = (mLastScrollAction != 0);
        mHandler.followScrollDelayed(source, isMovingForward, wasScrollAction);

        // Performing a scroll action results in smooth scrolling, which may
        // send multiple events spaced at least 100ms apart.
        mHandler.clearScrollActionDelayed();
    } else {
        setScrollActionImmediately(0);
    }

    if (mLastScrollSource != null) {
        mLastScrollSource.recycle();
    }

    mLastScrollSource = source;
    mLastScrollFromIndex = record.getFromIndex();
    mLastScrollToIndex = record.getToIndex();
}

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From source file:com.android.screenspeak.formatter.EventSpeechRule.java

/**
 * Returns the value of a given <code>property</code> of an <code>event</code>.
 *
 * @param property The property//from ww w  .  j a va2  s .c  o m
 * @param event The event.
 * @return the value.
 */
private Object getPropertyValue(Context context, String property, AccessibilityEvent event) {
    final AccessibilityRecordCompat record = AccessibilityEventCompat.asRecord(event);

    if (property == null) {
        throw new IllegalArgumentException("Unknown property : " + property);
    }

    // TODO(AV): Don't do so many string comparisons here.
    switch (property) {
    case PROPERTY_EVENT_TYPE:
        return event.getEventType();
    case PROPERTY_PACKAGE_NAME:
        return event.getPackageName();
    case PROPERTY_CLASS_NAME:
        return event.getClassName();
    case PROPERTY_CLASS_NAME_STRICT:
        return event.getClassName();
    case PROPERTY_TEXT:
        return AccessibilityEventUtils.getEventAggregateText(event);
    case PROPERTY_BEFORE_TEXT:
        return event.getBeforeText();
    case PROPERTY_CONTENT_DESCRIPTION:
        return event.getContentDescription();
    case PROPERTY_CONTENT_DESCRIPTION_OR_TEXT:
        return AccessibilityEventUtils.getEventTextOrDescription(event);
    case PROPERTY_NODE_DESCRIPTION_OR_FALLBACK:
        return getNodeDescriptionOrFallback(event);
    case PROPERTY_EVENT_TIME:
        return event.getEventTime();
    case PROPERTY_ITEM_COUNT:
        return event.getItemCount();
    case PROPERTY_CURRENT_ITEM_INDEX:
        return event.getCurrentItemIndex();
    case PROPERTY_FROM_INDEX:
        return event.getFromIndex();
    case PROPERTY_TO_INDEX:
        return record.getToIndex();
    case PROPERTY_SCROLLABLE:
        return record.isScrollable();
    case PROPERTY_SCROLL_X:
        return record.getScrollX();
    case PROPERTY_SCROLL_Y:
        return record.getScrollY();
    case PROPERTY_RECORD_COUNT:
        return AccessibilityEventCompat.getRecordCount(event);
    case PROPERTY_CHECKED:
        return event.isChecked();
    case PROPERTY_ENABLED:
        return event.isEnabled();
    case PROPERTY_FULL_SCREEN:
        return event.isFullScreen();
    case PROPERTY_PASSWORD:
        return event.isPassword();
    case PROPERTY_ADDED_COUNT:
        return event.getAddedCount();
    case PROPERTY_REMOVED_COUNT:
        return event.getRemovedCount();
    case PROPERTY_VERSION_CODE:
        return PackageManagerUtils.getVersionCode(context, event.getPackageName());
    case PROPERTY_VERSION_NAME:
        return PackageManagerUtils.getVersionName(context, event.getPackageName());
    case PROPERTY_PLATFORM_RELEASE:
        return Build.VERSION.RELEASE;
    case PROPERTY_PLATFORM_SDK:
        return Build.VERSION.SDK_INT;
    default:
        throw new IllegalArgumentException("Unknown property : " + property);
    }
}

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From source file:com.android.talkback.formatter.EventSpeechRule.java

/**
 * Returns the value of a given <code>property</code> of an <code>event</code>.
 *
 * @param property The property/*w w w  . j  av  a 2  s.c o  m*/
 * @param event The event.
 * @return the value.
 */
private Object getPropertyValue(Context context, String property, AccessibilityEvent event) {
    final AccessibilityRecordCompat record = AccessibilityEventCompat.asRecord(event);

    if (property == null) {
        throw new IllegalArgumentException("Unknown property : " + property);
    }

    // TODO: Don't do so many string comparisons here.
    switch (property) {
    case PROPERTY_EVENT_TYPE:
        return event.getEventType();
    case PROPERTY_PACKAGE_NAME:
        return event.getPackageName();
    case PROPERTY_CLASS_NAME:
        return event.getClassName();
    case PROPERTY_CLASS_NAME_STRICT:
        return event.getClassName();
    case PROPERTY_TEXT:
        return AccessibilityEventUtils.getEventAggregateText(event);
    case PROPERTY_BEFORE_TEXT:
        return event.getBeforeText();
    case PROPERTY_CONTENT_DESCRIPTION:
        return event.getContentDescription();
    case PROPERTY_CONTENT_DESCRIPTION_OR_TEXT:
        return AccessibilityEventUtils.getEventTextOrDescription(event);
    case PROPERTY_NODE_DESCRIPTION_OR_FALLBACK:
        return getNodeDescriptionOrFallback(event);
    case PROPERTY_EVENT_TIME:
        return event.getEventTime();
    case PROPERTY_ITEM_COUNT:
        return event.getItemCount();
    case PROPERTY_CURRENT_ITEM_INDEX:
        return event.getCurrentItemIndex();
    case PROPERTY_FROM_INDEX:
        return event.getFromIndex();
    case PROPERTY_TO_INDEX:
        return record.getToIndex();
    case PROPERTY_SCROLLABLE:
        return record.isScrollable();
    case PROPERTY_SCROLL_X:
        return record.getScrollX();
    case PROPERTY_SCROLL_Y:
        return record.getScrollY();
    case PROPERTY_RECORD_COUNT:
        return AccessibilityEventCompat.getRecordCount(event);
    case PROPERTY_CHECKED:
        return event.isChecked();
    case PROPERTY_ENABLED:
        return event.isEnabled();
    case PROPERTY_FULL_SCREEN:
        return event.isFullScreen();
    case PROPERTY_PASSWORD:
        return event.isPassword();
    case PROPERTY_ADDED_COUNT:
        return event.getAddedCount();
    case PROPERTY_REMOVED_COUNT:
        return event.getRemovedCount();
    case PROPERTY_VERSION_CODE:
        return PackageManagerUtils.getVersionCode(context, event.getPackageName());
    case PROPERTY_VERSION_NAME:
        return PackageManagerUtils.getVersionName(context, event.getPackageName());
    case PROPERTY_PLATFORM_RELEASE:
        return Build.VERSION.RELEASE;
    case PROPERTY_PLATFORM_SDK:
        return Build.VERSION.SDK_INT;
    default:
        throw new IllegalArgumentException("Unknown property : " + property);
    }
}

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From source file:com.google.android.marvin.mytalkback.formatter.EventSpeechRule.java

/**
 * Returns the value of a given <code>property</code> of an <code>event</code>.
 *
 * @param property The property// w w  w  .  j  a  v a2  s .c  o  m
 * @param event The event.
 * @return the value.
 */
private Object getPropertyValue(Context context, String property, AccessibilityEvent event) {
    final AccessibilityRecordCompat record = new AccessibilityRecordCompat(event);

    // TODO(alanv): Don't do so many string comparisons here.
    if (PROPERTY_EVENT_TYPE.equals(property)) {
        return event.getEventType();
    } else if (PROPERTY_PACKAGE_NAME.equals(property)) {
        return event.getPackageName();
    } else if (PROPERTY_CLASS_NAME.equals(property)) {
        return event.getClassName();
    } else if (PROPERTY_CLASS_NAME_STRICT.equals(property)) {
        return event.getClassName();
    } else if (PROPERTY_TEXT.equals(property)) {
        return AccessibilityEventUtils.getEventAggregateText(event);
    } else if (PROPERTY_BEFORE_TEXT.equals(property)) {
        return event.getBeforeText();
    } else if (PROPERTY_CONTENT_DESCRIPTION.equals(property)) {
        return event.getContentDescription();
    } else if (PROPERTY_CONTENT_DESCRIPTION_OR_TEXT.equals(property)) {
        return AccessibilityEventUtils.getEventTextOrDescription(event);
    } else if (PROPERTY_NODE_DESCRIPTION_OR_FALLBACK.equals(property)) {
        return getNodeDescriptionOrFallback(event);
    } else if (PROPERTY_EVENT_TIME.equals(property)) {
        return event.getEventTime();
    } else if (PROPERTY_ITEM_COUNT.equals(property)) {
        return event.getItemCount();
    } else if (PROPERTY_CURRENT_ITEM_INDEX.equals(property)) {
        return event.getCurrentItemIndex();
    } else if (PROPERTY_FROM_INDEX.equals(property)) {
        return event.getFromIndex();
    } else if (PROPERTY_TO_INDEX.equals(property)) {
        return record.getToIndex();
    } else if (PROPERTY_SCROLLABLE.equals(property)) {
        return record.isScrollable();
    } else if (PROPERTY_SCROLL_X.equals(property)) {
        return record.getScrollX();
    } else if (PROPERTY_SCROLL_Y.equals(property)) {
        return record.getScrollY();
    } else if (PROPERTY_RECORD_COUNT.equals(property)) {
        return AccessibilityEventCompat.getRecordCount(event);
    } else if (PROPERTY_CHECKED.equals(property)) {
        return event.isChecked();
    } else if (PROPERTY_ENABLED.equals(property)) {
        return event.isEnabled();
    } else if (PROPERTY_FULL_SCREEN.equals(property)) {
        return event.isFullScreen();
    } else if (PROPERTY_PASSWORD.equals(property)) {
        return event.isPassword();
    } else if (PROPERTY_ADDED_COUNT.equals(property)) {
        return event.getAddedCount();
    } else if (PROPERTY_REMOVED_COUNT.equals(property)) {
        return event.getRemovedCount();
    } else if (PROPERTY_VERSION_CODE.equals(property)) {
        return PackageManagerUtils.getVersionCode(context, event.getPackageName());
    } else if (PROPERTY_VERSION_NAME.equals(property)) {
        return PackageManagerUtils.getVersionName(context, event.getPackageName());
    } else if (PROPERTY_PLATFORM_RELEASE.equals(property)) {
        return Build.VERSION.RELEASE;
    } else if (PROPERTY_PLATFORM_SDK.equals(property)) {
        return Build.VERSION.SDK_INT;
    } else {
        throw new IllegalArgumentException("Unknown property : " + property);
    }
}

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