Examples with AccessibilityNodeInfoCompat androidx.core.view.accessibility.AccessibilityNodeInfoCompat used on opensource projects

Example 1 with AccessibilityNodeInfoCompat

use of androidx.core.view.accessibility.AccessibilityNodeInfoCompat in project stetho by facebook.

the class AccessibilityNodeInfoWrapper method getDescription.

@Nullable
public static CharSequence getDescription(View view) {
    AccessibilityNodeInfoCompat node = createNodeInfoFromView(view);
    try {
        CharSequence contentDescription = node.getContentDescription();
        CharSequence nodeText = node.getText();
        boolean hasNodeText = !TextUtils.isEmpty(nodeText);
        boolean isEditText = view instanceof EditText;
        // EditText's prioritize their own text content over a contentDescription
        if (!TextUtils.isEmpty(contentDescription) && (!isEditText || !hasNodeText)) {
            return contentDescription;
        }
        if (hasNodeText) {
            return nodeText;
        }
        // comma separated, becomes the description.
        if (view instanceof ViewGroup) {
            final StringBuilder concatChildDescription = new StringBuilder();
            final String separator = ", ";
            ViewGroup viewGroup = (ViewGroup) view;
            for (int i = 0, count = viewGroup.getChildCount(); i < count; i++) {
                final View child = viewGroup.getChildAt(i);
                AccessibilityNodeInfoCompat childNodeInfo = AccessibilityNodeInfoCompat.obtain();
                ViewCompat.onInitializeAccessibilityNodeInfo(child, childNodeInfo);
                CharSequence childNodeDescription = null;
                if (AccessibilityUtil.isSpeakingNode(childNodeInfo, child) && !AccessibilityUtil.isAccessibilityFocusable(childNodeInfo, child)) {
                    childNodeDescription = getDescription(child);
                }
                if (!TextUtils.isEmpty(childNodeDescription)) {
                    if (concatChildDescription.length() > 0) {
                        concatChildDescription.append(separator);
                    }
                    concatChildDescription.append(childNodeDescription);
                }
                childNodeInfo.recycle();
            }
            return concatChildDescription.length() > 0 ? concatChildDescription.toString() : null;
        }
        return null;
    } finally {
        node.recycle();
    }
}

Example 2 with AccessibilityNodeInfoCompat

use of androidx.core.view.accessibility.AccessibilityNodeInfoCompat in project stetho by facebook.

the class AccessibilityNodeInfoWrapper method getIgnored.

public static boolean getIgnored(View view) {
    int important = ViewCompat.getImportantForAccessibility(view);
    if (important == ViewCompat.IMPORTANT_FOR_ACCESSIBILITY_NO || important == ViewCompat.IMPORTANT_FOR_ACCESSIBILITY_NO_HIDE_DESCENDANTS) {
        return true;
    }
    // Go all the way up the tree to make sure no parent has hidden its descendants
    ViewParent parent = view.getParent();
    while (parent instanceof View) {
        if (ViewCompat.getImportantForAccessibility((View) parent) == ViewCompat.IMPORTANT_FOR_ACCESSIBILITY_NO_HIDE_DESCENDANTS) {
            return true;
        }
        parent = parent.getParent();
    }
    AccessibilityNodeInfoCompat node = createNodeInfoFromView(view);
    try {
        if (!node.isVisibleToUser()) {
            return true;
        }
        if (AccessibilityUtil.isAccessibilityFocusable(node, view)) {
            if (node.getChildCount() <= 0) {
                // speakable description
                return false;
            } else if (AccessibilityUtil.isSpeakingNode(node, view)) {
                // Node is focusable and has something to speak
                return false;
            }
            // Node is focusable and has nothing to speak
            return true;
        }
        // then it should receive focus from navigation and be read aloud.
        if (!AccessibilityUtil.hasFocusableAncestor(node, view) && AccessibilityUtil.hasText(node)) {
            return false;
        }
        return true;
    } finally {
        node.recycle();
    }
}

Example 3 with AccessibilityNodeInfoCompat

use of androidx.core.view.accessibility.AccessibilityNodeInfoCompat in project stetho by facebook.

the class AccessibilityNodeInfoWrapper method getIsAccessibilityFocused.

public static boolean getIsAccessibilityFocused(View view) {
    AccessibilityNodeInfoCompat node = createNodeInfoFromView(view);
    boolean isAccessibilityFocused = node.isAccessibilityFocused();
    node.recycle();
    return isAccessibilityFocused;
}

Example 4 with AccessibilityNodeInfoCompat

use of androidx.core.view.accessibility.AccessibilityNodeInfoCompat in project stetho by facebook.

the class AccessibilityUtil method hasFocusableAncestor.

/**
 * Determines if any of the provided {@link View}'s and {@link AccessibilityNodeInfoCompat}'s
 * ancestors can receive accessibility focus
 *
 * @param view The {@link View} to evaluate
 * @param node The {@link AccessibilityNodeInfoCompat} to evaluate
 * @return {@code true} if an ancestor of may receive accessibility focus
 */
public static boolean hasFocusableAncestor(@Nullable AccessibilityNodeInfoCompat node, @Nullable View view) {
    if (node == null || view == null) {
        return false;
    }
    ViewParent parentView = ViewCompat.getParentForAccessibility(view);
    if (!(parentView instanceof View)) {
        return false;
    }
    AccessibilityNodeInfoCompat parentNode = AccessibilityNodeInfoCompat.obtain();
    try {
        ViewCompat.onInitializeAccessibilityNodeInfo((View) parentView, parentNode);
        if (parentNode == null) {
            return false;
        }
        if (isAccessibilityFocusable(parentNode, (View) parentView)) {
            return true;
        }
        if (hasFocusableAncestor(parentNode, (View) parentView)) {
            return true;
        }
    } finally {
        parentNode.recycle();
    }
    return false;
}

Example 5 with AccessibilityNodeInfoCompat

use of androidx.core.view.accessibility.AccessibilityNodeInfoCompat in project android_packages_apps_Settings by omnirom.

the class SliceContextualCardRenderer method initDismissalActions.

private void initDismissalActions(RecyclerView.ViewHolder holder, ContextualCard card) {
    final Button btnKeep = holder.itemView.findViewById(R.id.keep);
    btnKeep.setOnClickListener(v -> {
        mFlippedCardSet.remove(holder);
        resetCardView(holder);
    });
    final Button btnRemove = holder.itemView.findViewById(R.id.remove);
    btnRemove.setOnClickListener(v -> {
        mControllerRendererPool.getController(mContext, card.getCardType()).onDismissed(card);
        mFlippedCardSet.remove(holder);
        resetCardView(holder);
        mSliceLiveDataMap.get(card.getSliceUri()).removeObservers(mLifecycleOwner);
    });
    ViewCompat.setAccessibilityDelegate(getInitialView(holder), new AccessibilityDelegateCompat() {

        @Override
        public void onInitializeAccessibilityNodeInfo(View host, AccessibilityNodeInfoCompat info) {
            super.onInitializeAccessibilityNodeInfo(host, info);
            info.addAction(AccessibilityNodeInfoCompat.ACTION_DISMISS);
            info.setDismissable(true);
        }

        @Override
        public boolean performAccessibilityAction(View host, int action, Bundle args) {
            if (action == AccessibilityNodeInfoCompat.ACTION_DISMISS) {
                mControllerRendererPool.getController(mContext, card.getCardType()).onDismissed(card);
            }
            return super.performAccessibilityAction(host, action, args);
        }
    });
}