Examples with Region android.graphics.Region used on opensource projects

Example 46 with Region

use of android.graphics.Region in project android_frameworks_base by ResurrectionRemix.

the class AccessibilityInteractionController method focusSearchUiThread.

private void focusSearchUiThread(Message message) {
    final int flags = message.arg1;
    final int accessibilityViewId = message.arg2;
    SomeArgs args = (SomeArgs) message.obj;
    final int direction = args.argi2;
    final int interactionId = args.argi3;
    final IAccessibilityInteractionConnectionCallback callback = (IAccessibilityInteractionConnectionCallback) args.arg1;
    final MagnificationSpec spec = (MagnificationSpec) args.arg2;
    final Region interactiveRegion = (Region) args.arg3;
    args.recycle();
    AccessibilityNodeInfo next = null;
    try {
        if (mViewRootImpl.mView == null || mViewRootImpl.mAttachInfo == null) {
            return;
        }
        mViewRootImpl.mAttachInfo.mAccessibilityFetchFlags = flags;
        View root = null;
        if (accessibilityViewId != AccessibilityNodeInfo.UNDEFINED_ITEM_ID) {
            root = findViewByAccessibilityId(accessibilityViewId);
        } else {
            root = mViewRootImpl.mView;
        }
        if (root != null && isShown(root)) {
            View nextView = root.focusSearch(direction);
            if (nextView != null) {
                next = nextView.createAccessibilityNodeInfo();
            }
        }
    } finally {
        try {
            mViewRootImpl.mAttachInfo.mAccessibilityFetchFlags = 0;
            applyAppScaleAndMagnificationSpecIfNeeded(next, spec);
            // system process and obtained from a pool when read from parcel.
            if (spec != null && android.os.Process.myPid() != Binder.getCallingPid()) {
                spec.recycle();
            }
            adjustIsVisibleToUserIfNeeded(next, interactiveRegion);
            callback.setFindAccessibilityNodeInfoResult(next, interactionId);
        } catch (RemoteException re) {
        /* ignore - the other side will time out */
        }
        // the system process and instantiated  when read from parcel.
        if (interactiveRegion != null && android.os.Process.myPid() == Binder.getCallingPid()) {
            interactiveRegion.recycle();
        }
    }
}

Example 47 with Region

use of android.graphics.Region in project android_frameworks_base by ResurrectionRemix.

the class AccessibilityInteractionController method findAccessibilityNodeInfoByAccessibilityIdUiThread.

private void findAccessibilityNodeInfoByAccessibilityIdUiThread(Message message) {
    final int flags = message.arg1;
    SomeArgs args = (SomeArgs) message.obj;
    final int accessibilityViewId = args.argi1;
    final int virtualDescendantId = args.argi2;
    final int interactionId = args.argi3;
    final IAccessibilityInteractionConnectionCallback callback = (IAccessibilityInteractionConnectionCallback) args.arg1;
    final MagnificationSpec spec = (MagnificationSpec) args.arg2;
    final Region interactiveRegion = (Region) args.arg3;
    args.recycle();
    List<AccessibilityNodeInfo> infos = mTempAccessibilityNodeInfoList;
    infos.clear();
    try {
        if (mViewRootImpl.mView == null || mViewRootImpl.mAttachInfo == null) {
            return;
        }
        mViewRootImpl.mAttachInfo.mAccessibilityFetchFlags = flags;
        View root = null;
        if (accessibilityViewId == AccessibilityNodeInfo.UNDEFINED_ITEM_ID) {
            root = mViewRootImpl.mView;
        } else {
            root = findViewByAccessibilityId(accessibilityViewId);
        }
        if (root != null && isShown(root)) {
            mPrefetcher.prefetchAccessibilityNodeInfos(root, virtualDescendantId, flags, infos);
        }
    } finally {
        try {
            mViewRootImpl.mAttachInfo.mAccessibilityFetchFlags = 0;
            applyAppScaleAndMagnificationSpecIfNeeded(infos, spec);
            // system process and obtained from a pool when read from parcel.
            if (spec != null && android.os.Process.myPid() != Binder.getCallingPid()) {
                spec.recycle();
            }
            adjustIsVisibleToUserIfNeeded(infos, interactiveRegion);
            callback.setFindAccessibilityNodeInfosResult(infos, interactionId);
            infos.clear();
        } catch (RemoteException re) {
        /* ignore - the other side will time out */
        }
        // the system process and instantiated  when read from parcel.
        if (interactiveRegion != null && android.os.Process.myPid() == Binder.getCallingPid()) {
            interactiveRegion.recycle();
        }
    }
}

Example 48 with Region

use of android.graphics.Region in project android_frameworks_base by ResurrectionRemix.

the class View method applyDrawableToTransparentRegion.

/**
     * Given a Drawable whose bounds have been set to draw into this view,
     * update a Region being computed for
     * {@link #gatherTransparentRegion(android.graphics.Region)} so
     * that any non-transparent parts of the Drawable are removed from the
     * given transparent region.
     *
     * @param dr The Drawable whose transparency is to be applied to the region.
     * @param region A Region holding the current transparency information,
     * where any parts of the region that are set are considered to be
     * transparent.  On return, this region will be modified to have the
     * transparency information reduced by the corresponding parts of the
     * Drawable that are not transparent.
     * {@hide}
     */
public void applyDrawableToTransparentRegion(Drawable dr, Region region) {
    if (DBG) {
        Log.i("View", "Getting transparent region for: " + this);
    }
    final Region r = dr.getTransparentRegion();
    final Rect db = dr.getBounds();
    final AttachInfo attachInfo = mAttachInfo;
    if (r != null && attachInfo != null) {
        final int w = getRight() - getLeft();
        final int h = getBottom() - getTop();
        if (db.left > 0) {
            //Log.i("VIEW", "Drawable left " + db.left + " > view 0");
            r.op(0, 0, db.left, h, Region.Op.UNION);
        }
        if (db.right < w) {
            //Log.i("VIEW", "Drawable right " + db.right + " < view " + w);
            r.op(db.right, 0, w, h, Region.Op.UNION);
        }
        if (db.top > 0) {
            //Log.i("VIEW", "Drawable top " + db.top + " > view 0");
            r.op(0, 0, w, db.top, Region.Op.UNION);
        }
        if (db.bottom < h) {
            //Log.i("VIEW", "Drawable bottom " + db.bottom + " < view " + h);
            r.op(0, db.bottom, w, h, Region.Op.UNION);
        }
        final int[] location = attachInfo.mTransparentLocation;
        getLocationInWindow(location);
        r.translate(location[0], location[1]);
        region.op(r, Region.Op.INTERSECT);
    } else {
        region.op(db, Region.Op.DIFFERENCE);
    }
}

Example 49 with Region

use of android.graphics.Region in project android_frameworks_base by ResurrectionRemix.

the class AccessibilityInteractionController method findAccessibilityNodeInfosByViewIdUiThread.

private void findAccessibilityNodeInfosByViewIdUiThread(Message message) {
    final int flags = message.arg1;
    final int accessibilityViewId = message.arg2;
    SomeArgs args = (SomeArgs) message.obj;
    final int interactionId = args.argi1;
    final IAccessibilityInteractionConnectionCallback callback = (IAccessibilityInteractionConnectionCallback) args.arg1;
    final MagnificationSpec spec = (MagnificationSpec) args.arg2;
    final String viewId = (String) args.arg3;
    final Region interactiveRegion = (Region) args.arg4;
    args.recycle();
    final List<AccessibilityNodeInfo> infos = mTempAccessibilityNodeInfoList;
    infos.clear();
    try {
        if (mViewRootImpl.mView == null || mViewRootImpl.mAttachInfo == null) {
            return;
        }
        mViewRootImpl.mAttachInfo.mAccessibilityFetchFlags = flags;
        View root = null;
        if (accessibilityViewId != AccessibilityNodeInfo.UNDEFINED_ITEM_ID) {
            root = findViewByAccessibilityId(accessibilityViewId);
        } else {
            root = mViewRootImpl.mView;
        }
        if (root != null) {
            final int resolvedViewId = root.getContext().getResources().getIdentifier(viewId, null, null);
            if (resolvedViewId <= 0) {
                return;
            }
            if (mAddNodeInfosForViewId == null) {
                mAddNodeInfosForViewId = new AddNodeInfosForViewId();
            }
            mAddNodeInfosForViewId.init(resolvedViewId, infos);
            root.findViewByPredicate(mAddNodeInfosForViewId);
            mAddNodeInfosForViewId.reset();
        }
    } finally {
        try {
            mViewRootImpl.mAttachInfo.mAccessibilityFetchFlags = 0;
            applyAppScaleAndMagnificationSpecIfNeeded(infos, spec);
            // system process and obtained from a pool when read from parcel.
            if (spec != null && android.os.Process.myPid() != Binder.getCallingPid()) {
                spec.recycle();
            }
            adjustIsVisibleToUserIfNeeded(infos, interactiveRegion);
            callback.setFindAccessibilityNodeInfosResult(infos, interactionId);
        } catch (RemoteException re) {
        /* ignore - the other side will time out */
        }
        // the system process and instantiated  when read from parcel.
        if (interactiveRegion != null && android.os.Process.myPid() == Binder.getCallingPid()) {
            interactiveRegion.recycle();
        }
    }
}

Example 50 with Region

use of android.graphics.Region in project android_frameworks_base by ResurrectionRemix.

the class AccessibilityInteractionController method findFocusUiThread.

private void findFocusUiThread(Message message) {
    final int flags = message.arg1;
    final int focusType = message.arg2;
    SomeArgs args = (SomeArgs) message.obj;
    final int interactionId = args.argi1;
    final int accessibilityViewId = args.argi2;
    final int virtualDescendantId = args.argi3;
    final IAccessibilityInteractionConnectionCallback callback = (IAccessibilityInteractionConnectionCallback) args.arg1;
    final MagnificationSpec spec = (MagnificationSpec) args.arg2;
    final Region interactiveRegion = (Region) args.arg3;
    args.recycle();
    AccessibilityNodeInfo focused = null;
    try {
        if (mViewRootImpl.mView == null || mViewRootImpl.mAttachInfo == null) {
            return;
        }
        mViewRootImpl.mAttachInfo.mAccessibilityFetchFlags = flags;
        View root = null;
        if (accessibilityViewId != AccessibilityNodeInfo.UNDEFINED_ITEM_ID) {
            root = findViewByAccessibilityId(accessibilityViewId);
        } else {
            root = mViewRootImpl.mView;
        }
        if (root != null && isShown(root)) {
            switch(focusType) {
                case AccessibilityNodeInfo.FOCUS_ACCESSIBILITY:
                    {
                        View host = mViewRootImpl.mAccessibilityFocusedHost;
                        // of the root from which to start the search, then the search failed.
                        if (host == null || !ViewRootImpl.isViewDescendantOf(host, root)) {
                            break;
                        }
                        // The focused view not shown, we failed.
                        if (!isShown(host)) {
                            break;
                        }
                        // If the host has a provider ask this provider to search for the
                        // focus instead fetching all provider nodes to do the search here.
                        AccessibilityNodeProvider provider = host.getAccessibilityNodeProvider();
                        if (provider != null) {
                            if (mViewRootImpl.mAccessibilityFocusedVirtualView != null) {
                                focused = AccessibilityNodeInfo.obtain(mViewRootImpl.mAccessibilityFocusedVirtualView);
                            }
                        } else if (virtualDescendantId == AccessibilityNodeInfo.UNDEFINED_ITEM_ID) {
                            focused = host.createAccessibilityNodeInfo();
                        }
                    }
                    break;
                case AccessibilityNodeInfo.FOCUS_INPUT:
                    {
                        View target = root.findFocus();
                        if (target == null || !isShown(target)) {
                            break;
                        }
                        AccessibilityNodeProvider provider = target.getAccessibilityNodeProvider();
                        if (provider != null) {
                            focused = provider.findFocus(focusType);
                        }
                        if (focused == null) {
                            focused = target.createAccessibilityNodeInfo();
                        }
                    }
                    break;
                default:
                    throw new IllegalArgumentException("Unknown focus type: " + focusType);
            }
        }
    } finally {
        try {
            mViewRootImpl.mAttachInfo.mAccessibilityFetchFlags = 0;
            applyAppScaleAndMagnificationSpecIfNeeded(focused, spec);
            // system process and obtained from a pool when read from parcel.
            if (spec != null && android.os.Process.myPid() != Binder.getCallingPid()) {
                spec.recycle();
            }
            adjustIsVisibleToUserIfNeeded(focused, interactiveRegion);
            callback.setFindAccessibilityNodeInfoResult(focused, interactionId);
        } catch (RemoteException re) {
        /* ignore - the other side will time out */
        }
        // the system process and instantiated  when read from parcel.
        if (interactiveRegion != null && android.os.Process.myPid() == Binder.getCallingPid()) {
            interactiveRegion.recycle();
        }
    }
}