Example usage for android.view.accessibility AccessibilityNodeInfo isVisibleToUser

Introduction

In this page you can find the example usage for android.view.accessibility AccessibilityNodeInfo isVisibleToUser.

Prototype

public boolean isVisibleToUser() 

Source Link

Document

Gets whether this node is visible to the user.

Usage

From source file:com.android.utils.FocusFinder.java

public static AccessibilityNodeInfoCompat getFocusedNode(AccessibilityService service, boolean fallbackOnRoot) {
    AccessibilityNodeInfo root = service.getRootInActiveWindow();
    AccessibilityNodeInfo focused = null;

    try {//from  www .  j a v  a 2 s  .co m
        AccessibilityNodeInfo ret = null;
        if (root != null) {
            focused = root.findFocus(AccessibilityNodeInfo.FOCUS_ACCESSIBILITY);
            if (focused != null && focused.isVisibleToUser()) {
                ret = focused;
                focused = null;
            } else if (fallbackOnRoot) {
                ret = root;
                root = null;
            }
        } else {
            LogUtils.log(service, Log.ERROR, "No current window root");
        }

        if (ret != null) {
            return new AccessibilityNodeInfoCompat(ret);
        }
    } finally {
        if (root != null) {
            root.recycle();
        }

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

    return null;
}

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From source file:com.googlecode.eyesfree.brailleback.FocusFinder.java

public static AccessibilityNodeInfoCompat getFocusedNode(AccessibilityService service, boolean fallbackOnRoot) {
    AccessibilityNodeInfo root = service.getRootInActiveWindow();
    AccessibilityNodeInfo focused = null;
    try {/*from   ww w . j a v a 2 s  .  c  o m*/
        AccessibilityNodeInfo ret = null;
        if (root != null) {
            focused = root.findFocus(AccessibilityNodeInfo.FOCUS_ACCESSIBILITY);
            if (focused != null && focused.isVisibleToUser()) {
                ret = focused;
                focused = null;
            } else if (fallbackOnRoot) {
                ret = root;
                root = null;
            }
        } else {
            LogUtils.log(service, Log.ERROR, "No current window root");
        }
        if (ret != null) {
            return new AccessibilityNodeInfoCompat(ret);
        }
    } finally {
        if (root != null) {
            root.recycle();
        }
        if (focused != null) {
            focused.recycle();
        }
    }
    return null;
}

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

/**
 * Given an {@link AccessibilityEvent}, speaks a scroll position.
 *
 * @param event The source event./*from w ww.ja  v a  2  s .  co m*/
 */
private void handleScrollFeedback(AccessibilityEvent event) {
    final CharSequence text = getDescriptionForScrollEvent(event);
    if (TextUtils.isEmpty(text)) {
        return;
    }

    // don't pronounce non-visible nodes
    AccessibilityNodeInfo node = event.getSource();
    if (node != null && !node.isVisibleToUser()) {
        return;
    }

    // Use QUEUE mode so that we don't interrupt more important messages.
    mSpeechController.speak(text, SpeechController.QUEUE_MODE_QUEUE, 0, mSpeechParams);
}

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

/**
 * Given an {@link AccessibilityEvent}, speaks a scroll position.
 *
 * @param event The source event./*from  w w w. j  av  a  2  s  .c o m*/
 */
private void handleScrollFeedback(AccessibilityEvent event) {
    final CharSequence text;
    AccessibilityNodeInfo source = event.getSource();
    if (Role.getRole(source) == Role.ROLE_PAGER) {
        text = getDescriptionForPageEvent(event, source);
    } else {
        text = getDescriptionForScrollEvent(event);
    }
    if (source != null) {
        source.recycle();
    }

    if (TextUtils.isEmpty(text)) {
        return;
    }

    // don't pronounce non-visible nodes
    AccessibilityNodeInfo node = event.getSource();
    if (node != null && !node.isVisibleToUser()) {
        return;
    }

    // Use QUEUE mode so that we don't interrupt more important messages.
    mSpeechController.speak(text, SpeechController.QUEUE_MODE_QUEUE, 0, mSpeechParams);
}

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From source file:com.googlecode.eyesfree.brailleback.TreeDebugNavigationMode.java

private CharSequence formatNode(AccessibilityNodeInfo node) {
    StringBuilder sb = new StringBuilder();
    sb.append(node.getWindowId());//from   w ww.j  a  va  2  s. co  m
    if (node.getClassName() != null) {
        appendSimpleName(sb, node.getClassName());
    } else {
        sb.append("??");
    }
    if (!node.isVisibleToUser()) {
        sb.append(":invisible");
    }
    if (node.getText() != null) {
        sb.append(":");
        sb.append(node.getText());
    }
    if (node.getContentDescription() != null) {
        sb.append(":");
        sb.append(node.getContentDescription());
    }
    int actions = node.getActions();
    if (actions != 0) {
        sb.append(":");
        if ((actions & AccessibilityNodeInfo.ACTION_FOCUS) != 0) {
            sb.append("F");
        }
        if ((actions & AccessibilityNodeInfo.ACTION_ACCESSIBILITY_FOCUS) != 0) {
            sb.append("A");
        }
        if ((actions & AccessibilityNodeInfo.ACTION_CLEAR_ACCESSIBILITY_FOCUS) != 0) {
            sb.append("a");
        }
        if ((actions & AccessibilityNodeInfo.ACTION_SCROLL_BACKWARD) != 0) {
            sb.append("-");
        }
        if ((actions & AccessibilityNodeInfo.ACTION_SCROLL_FORWARD) != 0) {
            sb.append("+");
        }
    }
    if (node.isCheckable()) {
        sb.append(":");
        if (node.isChecked()) {
            sb.append("(X)");
        } else {
            sb.append("( )");
        }
    }
    if (node.isFocusable()) {
        sb.append(":focusable");
    }
    if (node.isFocused()) {
        sb.append(":focused");
    }
    if (node.isSelected()) {
        sb.append(":selected");
    }
    if (node.isClickable()) {
        sb.append(":clickable");
    }
    if (node.isLongClickable()) {
        sb.append(":longClickable");
    }
    if (node.isAccessibilityFocused()) {
        sb.append(":accessibilityFocused");
    }
    if (!node.isEnabled()) {
        sb.append(":disabled");
    }
    return sb.toString();
}

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From source file:com.google.android.apps.common.testing.accessibility.framework.uielement.ViewHierarchyElement.java

ViewHierarchyElement(int id, @Nullable ViewHierarchyElement parent, AccessibilityNodeInfo fromInfo) {
    // Bookkeeping
    this.id = id;
    this.parentId = (parent != null) ? parent.getId() : null;

    // API 18+ properties
    this.resourceName = AT_18 ? fromInfo.getViewIdResourceName() : null;
    this.editable = AT_18 ? fromInfo.isEditable() : null;

    // API 16+ properties
    this.visibleToUser = AT_16 ? fromInfo.isVisibleToUser() : null;

    // Base properties
    this.className = fromInfo.getClassName();
    this.packageName = fromInfo.getPackageName();
    this.accessibilityClassName = fromInfo.getClassName();
    this.contentDescription = SpannableString.valueOf(fromInfo.getContentDescription());
    this.text = SpannableString.valueOf(fromInfo.getText());
    this.importantForAccessibility = true;
    this.clickable = fromInfo.isClickable();
    this.longClickable = fromInfo.isLongClickable();
    this.focusable = fromInfo.isFocusable();
    this.scrollable = fromInfo.isScrollable();
    this.canScrollForward = ((fromInfo.getActions() & AccessibilityNodeInfo.ACTION_SCROLL_FORWARD) != 0);
    this.canScrollBackward = ((fromInfo.getActions() & AccessibilityNodeInfo.ACTION_SCROLL_BACKWARD) != 0);
    this.checkable = fromInfo.isCheckable();
    this.checked = fromInfo.isChecked();
    this.hasTouchDelegate = false; /* Touch delegates are not considered by AccessibilityServices */
    android.graphics.Rect tempRect = new android.graphics.Rect();
    fromInfo.getBoundsInScreen(tempRect);
    this.boundsInScreen = new Rect(tempRect);
    this.nonclippedHeight = null; /* AccessibilityServices cannot discover nonclipped dimensions */
    this.nonclippedWidth = null; /* AccessibilityServices cannot discover nonclipped dimensions */
    this.textSize = null;
    this.textColor = null;
    this.backgroundDrawableColor = null;
    this.typefaceStyle = null;
    this.enabled = fromInfo.isEnabled();
}

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