Example usage for android.view.accessibility AccessibilityNodeInfo getWindowId

Introduction

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

Prototype

public int getWindowId() 

Source Link

Document

Gets the id of the window from which the info comes from.

Usage

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

private boolean isKeyboardEvent(AccessibilityEvent event) {
    if (event.getEventType() != AccessibilityEvent.TYPE_VIEW_ACCESSIBILITY_FOCUSED) {
        return false;
    }/*from  w  ww  .  j a  v  a 2  s  .  c  o m*/

    if (Build.VERSION.SDK_INT > Build.VERSION_CODES.LOLLIPOP) {
        // For platform since lollipop, check that the current window is an
        // Input Method.
        final AccessibilityNodeInfo source = event.getSource();
        if (source == null) {
            return false;
        }

        int windowId = source.getWindowId();
        WindowManager manager = new WindowManager();
        manager.setWindows(mService.getWindows());
        return manager.getWindowType(windowId) == AccessibilityWindowInfo.TYPE_INPUT_METHOD;
    } else {
        // For old platforms, we can't check the window type directly, so just
        // manually check the classname.
        return event.getClassName().equals("com.android.inputmethod.keyboard.Key");
    }
}

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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());
    if (node.getClassName() != null) {
        appendSimpleName(sb, node.getClassName());
    } else {//from w ww.  ja  va  2s .  com
        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.android.talkback.eventprocessor.ProcessorScreen.java

private int getWindowId(AccessibilityEvent event) {
    AccessibilityNodeInfo node = event.getSource();
    if (node == null) {
        return WINDOW_ID_NONE;
    }//from   ww  w  . j ava 2 s  .c  om

    int windowId = node.getWindowId();
    node.recycle();
    return windowId;
}

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

@Override
public void onObserveAccessibilityEvent(AccessibilityEvent event) {
    AccessibilityNodeInfo source = event.getSource();
    if (source == null) {
        return;//  w w w.j  av a  2 s.  co  m
    }
    boolean isNewWindow = false;
    if (mCurrentNode == null || mCurrentNode.getWindowId() != source.getWindowId()) {
        isNewWindow = true;
    }
    int t = event.getEventType();
    boolean isInterestingEventType = false;
    if (t == AccessibilityEvent.TYPE_VIEW_SELECTED || t == AccessibilityEvent.TYPE_VIEW_FOCUSED
            || t == AccessibilityEvent.TYPE_VIEW_TEXT_CHANGED
            || t != AccessibilityEvent.TYPE_VIEW_HOVER_ENTER) {
        isInterestingEventType = true;
    }
    if (isNewWindow || isInterestingEventType) {
        setPendingNode(source);
    }
}

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

/**
 * Resets cached scrollable state when touch exploration after window state
 * changes.//  w  w w.j  a  v  a 2 s. c o m
 */
@Override
public void onAccessibilityEvent(AccessibilityEvent event) {
    switch (event.getEventType()) {
    case AccessibilityEvent.TYPE_WINDOW_STATE_CHANGED:
        // Reset cached scrollable state.
        mLastNodeWasScrollable = false;

        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
            // Store window title in the map.
            List<CharSequence> titles = event.getText();
            if (titles.size() > 0) {
                AccessibilityNodeInfo node = event.getSource();
                if (node != null) {
                    int windowType = getWindowType(node);
                    if (windowType == AccessibilityWindowInfo.TYPE_APPLICATION
                            || windowType == AccessibilityWindowInfo.TYPE_SYSTEM) {
                        mWindowTitlesMap.put(node.getWindowId(), titles.get(0));
                    }
                    node.recycle();
                }
            }
        }
        break;
    case AccessibilityEvent.TYPE_WINDOWS_CHANGED:
        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
            // Copy key set not to modify original map.
            HashSet<Integer> windowIdsToBeRemoved = new HashSet<Integer>();
            windowIdsToBeRemoved.addAll(mWindowTitlesMap.keySet());

            // Enumerate window ids to be removed.
            List<AccessibilityWindowInfo> windows = mService.getWindows();
            for (AccessibilityWindowInfo window : windows) {
                windowIdsToBeRemoved.remove(window.getId());
            }

            // Delete titles of non-existing window ids.
            for (Integer windowId : windowIdsToBeRemoved) {
                mWindowTitlesMap.remove(windowId);
            }
        }
        break;
    }
}

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