| /* |
| * Copyright (C) 2017 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| package com.android.systemui.pip.phone; |
| |
| import android.graphics.Rect; |
| import android.graphics.Region; |
| import android.os.Bundle; |
| import android.os.Handler; |
| import android.os.RemoteException; |
| import android.view.MagnificationSpec; |
| import android.view.accessibility.AccessibilityNodeInfo; |
| import android.view.accessibility.AccessibilityWindowInfo; |
| import android.view.accessibility.IAccessibilityInteractionConnection; |
| import android.view.accessibility.IAccessibilityInteractionConnectionCallback; |
| |
| import java.util.ArrayList; |
| import java.util.List; |
| |
| /** |
| * Expose the touch actions to accessibility as if this object were a window with a single view. |
| * That pseudo-view exposes all of the actions this object can perform. |
| */ |
| public class PipAccessibilityInteractionConnection |
| extends IAccessibilityInteractionConnection.Stub { |
| |
| public interface AccessibilityCallbacks { |
| void onAccessibilityShowMenu(); |
| } |
| |
| private static final long ACCESSIBILITY_NODE_ID = 1; |
| private List<AccessibilityNodeInfo> mAccessibilityNodeInfoList; |
| |
| private Handler mHandler; |
| private PipMotionHelper mMotionHelper; |
| private AccessibilityCallbacks mCallbacks; |
| |
| private Rect mTmpBounds = new Rect(); |
| |
| public PipAccessibilityInteractionConnection(PipMotionHelper motionHelper, |
| AccessibilityCallbacks callbacks, Handler handler) { |
| mHandler = handler; |
| mMotionHelper = motionHelper; |
| mCallbacks = callbacks; |
| } |
| |
| @Override |
| public void findAccessibilityNodeInfoByAccessibilityId(long accessibilityNodeId, |
| Region interactiveRegion, int interactionId, |
| IAccessibilityInteractionConnectionCallback callback, int flags, |
| int interrogatingPid, long interrogatingTid, MagnificationSpec spec, Bundle args) { |
| try { |
| callback.setFindAccessibilityNodeInfosResult( |
| (accessibilityNodeId == AccessibilityNodeInfo.ROOT_NODE_ID) |
| ? getNodeList() : null, interactionId); |
| } catch (RemoteException re) { |
| /* best effort - ignore */ |
| } |
| } |
| |
| @Override |
| public void performAccessibilityAction(long accessibilityNodeId, int action, |
| Bundle arguments, int interactionId, |
| IAccessibilityInteractionConnectionCallback callback, int flags, |
| int interrogatingPid, long interrogatingTid) { |
| // We only support one view. A request for anything else is invalid |
| boolean result = false; |
| if (accessibilityNodeId == AccessibilityNodeInfo.ROOT_NODE_ID) { |
| switch (action) { |
| case AccessibilityNodeInfo.ACTION_CLICK: |
| mHandler.post(() -> { |
| mCallbacks.onAccessibilityShowMenu(); |
| }); |
| result = true; |
| break; |
| case AccessibilityNodeInfo.ACTION_DISMISS: |
| mMotionHelper.dismissPip(); |
| result = true; |
| break; |
| case com.android.internal.R.id.accessibilityActionMoveWindow: |
| int newX = arguments.getInt( |
| AccessibilityNodeInfo.ACTION_ARGUMENT_MOVE_WINDOW_X); |
| int newY = arguments.getInt( |
| AccessibilityNodeInfo.ACTION_ARGUMENT_MOVE_WINDOW_Y); |
| Rect pipBounds = new Rect(); |
| pipBounds.set(mMotionHelper.getBounds()); |
| mTmpBounds.offsetTo(newX, newY); |
| mMotionHelper.movePip(mTmpBounds); |
| result = true; |
| break; |
| case AccessibilityNodeInfo.ACTION_EXPAND: |
| mMotionHelper.expandPip(); |
| result = true; |
| break; |
| default: |
| // Leave result as false |
| } |
| } |
| try { |
| callback.setPerformAccessibilityActionResult(result, interactionId); |
| } catch (RemoteException re) { |
| /* best effort - ignore */ |
| } |
| } |
| |
| @Override |
| public void findAccessibilityNodeInfosByViewId(long accessibilityNodeId, |
| String viewId, Region interactiveRegion, int interactionId, |
| IAccessibilityInteractionConnectionCallback callback, int flags, |
| int interrogatingPid, long interrogatingTid, MagnificationSpec spec) { |
| // We have no view with a proper ID |
| try { |
| callback.setFindAccessibilityNodeInfoResult(null, interactionId); |
| } catch (RemoteException re) { |
| /* best effort - ignore */ |
| } |
| } |
| |
| @Override |
| public void findAccessibilityNodeInfosByText(long accessibilityNodeId, String text, |
| Region interactiveRegion, int interactionId, |
| IAccessibilityInteractionConnectionCallback callback, int flags, |
| int interrogatingPid, long interrogatingTid, MagnificationSpec spec) { |
| // We have no view with text |
| try { |
| callback.setFindAccessibilityNodeInfoResult(null, interactionId); |
| } catch (RemoteException re) { |
| /* best effort - ignore */ |
| } |
| } |
| |
| @Override |
| public void findFocus(long accessibilityNodeId, int focusType, Region interactiveRegion, |
| int interactionId, IAccessibilityInteractionConnectionCallback callback, int flags, |
| int interrogatingPid, long interrogatingTid, MagnificationSpec spec) { |
| // We have no view that can take focus |
| try { |
| callback.setFindAccessibilityNodeInfoResult(null, interactionId); |
| } catch (RemoteException re) { |
| /* best effort - ignore */ |
| } |
| } |
| |
| @Override |
| public void focusSearch(long accessibilityNodeId, int direction, Region interactiveRegion, |
| int interactionId, IAccessibilityInteractionConnectionCallback callback, int flags, |
| int interrogatingPid, long interrogatingTid, MagnificationSpec spec) { |
| // We have no view that can take focus |
| try { |
| callback.setFindAccessibilityNodeInfoResult(null, interactionId); |
| } catch (RemoteException re) { |
| /* best effort - ignore */ |
| } |
| } |
| |
| @Override |
| public void clearAccessibilityFocus() { |
| // We should not be here. |
| } |
| |
| public static AccessibilityNodeInfo obtainRootAccessibilityNodeInfo() { |
| AccessibilityNodeInfo info = AccessibilityNodeInfo.obtain(); |
| info.setSourceNodeId(AccessibilityNodeInfo.ROOT_NODE_ID, |
| AccessibilityWindowInfo.PICTURE_IN_PICTURE_ACTION_REPLACER_WINDOW_ID); |
| info.addAction(AccessibilityNodeInfo.AccessibilityAction.ACTION_CLICK); |
| info.addAction(AccessibilityNodeInfo.AccessibilityAction.ACTION_DISMISS); |
| info.addAction(AccessibilityNodeInfo.AccessibilityAction.ACTION_MOVE_WINDOW); |
| info.addAction(AccessibilityNodeInfo.AccessibilityAction.ACTION_EXPAND); |
| info.setImportantForAccessibility(true); |
| info.setClickable(true); |
| info.setVisibleToUser(true); |
| return info; |
| } |
| |
| private List<AccessibilityNodeInfo> getNodeList() { |
| if (mAccessibilityNodeInfoList == null) { |
| mAccessibilityNodeInfoList = new ArrayList<>(1); |
| } |
| AccessibilityNodeInfo info = obtainRootAccessibilityNodeInfo(); |
| mAccessibilityNodeInfoList.clear(); |
| mAccessibilityNodeInfoList.add(info); |
| return mAccessibilityNodeInfoList; |
| } |
| } |