| /* |
| * Copyright (C) 2020 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.server.autofill.ui; |
| |
| import android.annotation.NonNull; |
| import android.annotation.SuppressLint; |
| import android.content.Context; |
| import android.util.Log; |
| import android.util.MathUtils; |
| import android.view.MotionEvent; |
| import android.view.ViewConfiguration; |
| import android.widget.FrameLayout; |
| |
| import com.android.server.LocalServices; |
| import com.android.server.wm.WindowManagerInternal; |
| |
| /** |
| * This class is the root view for an inline suggestion. It is responsible for |
| * detecting the click on the item and to also transfer input focus to the IME |
| * window if we detect the user is scrolling. |
| */ |
| // TODO(b/146453086) Move to ExtServices and add @SystemApi to transfer touch focus |
| @SuppressLint("ViewConstructor") |
| class InlineSuggestionRoot extends FrameLayout { |
| private static final String LOG_TAG = InlineSuggestionRoot.class.getSimpleName(); |
| |
| private final @NonNull Runnable mOnErrorCallback; |
| private final int mTouchSlop; |
| |
| private float mDownX; |
| private float mDownY; |
| |
| InlineSuggestionRoot(@NonNull Context context, @NonNull Runnable onErrorCallback) { |
| super(context); |
| mOnErrorCallback = onErrorCallback; |
| mTouchSlop = ViewConfiguration.get(context).getScaledTouchSlop(); |
| setFocusable(false); |
| } |
| |
| @Override |
| @SuppressLint("ClickableViewAccessibility") |
| public boolean onTouchEvent(@NonNull MotionEvent event) { |
| switch (event.getActionMasked()) { |
| case MotionEvent.ACTION_DOWN: { |
| mDownX = event.getX(); |
| mDownY = event.getY(); |
| } break; |
| |
| case MotionEvent.ACTION_MOVE: { |
| final float distance = MathUtils.dist(mDownX, mDownY, |
| event.getX(), event.getY()); |
| if (distance > mTouchSlop) { |
| transferTouchFocusToImeWindow(); |
| } |
| } break; |
| } |
| return super.onTouchEvent(event); |
| } |
| |
| private void transferTouchFocusToImeWindow() { |
| final WindowManagerInternal windowManagerInternal = LocalServices.getService( |
| WindowManagerInternal.class); |
| if (!windowManagerInternal.transferTouchFocusToImeWindow(getViewRootImpl().getInputToken(), |
| getContext().getDisplayId())) { |
| Log.e(LOG_TAG, "Cannot transfer touch focus from suggestion to IME"); |
| mOnErrorCallback.run(); |
| } |
| } |
| } |