1 /* 2 * Copyright (C) 2021 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package com.android.launcher3.taskbar; 18 19 import static com.android.launcher3.AbstractFloatingView.TYPE_ALL; 20 import static com.android.launcher3.AbstractFloatingView.TYPE_TASKBAR_EDUCATION_DIALOG; 21 22 import android.content.Context; 23 import android.util.AttributeSet; 24 25 import com.android.launcher3.AbstractFloatingView; 26 import com.android.launcher3.PagedView; 27 import com.android.launcher3.R; 28 import com.android.launcher3.pageindicators.PageIndicatorDots; 29 import com.android.launcher3.taskbar.TaskbarEduController.TaskbarEduCallbacks; 30 import com.android.launcher3.views.ActivityContext; 31 32 /** Horizontal carousel of tutorial screens for Taskbar Edu. */ 33 public class TaskbarEduPagedView extends PagedView<PageIndicatorDots> { 34 35 private TaskbarEduView mTaskbarEduView; 36 private TaskbarEduCallbacks mControllerCallbacks; 37 TaskbarEduPagedView(Context context, AttributeSet attrs)38 public TaskbarEduPagedView(Context context, AttributeSet attrs) { 39 super(context, attrs); 40 setImportantForAccessibility(IMPORTANT_FOR_ACCESSIBILITY_YES); 41 } 42 setTaskbarEduView(TaskbarEduView taskbarEduView)43 void setTaskbarEduView(TaskbarEduView taskbarEduView) { 44 mTaskbarEduView = taskbarEduView; 45 mPageIndicator = taskbarEduView.findViewById(R.id.content_page_indicator); 46 initParentViews(taskbarEduView); 47 } 48 setControllerCallbacks(TaskbarEduCallbacks controllerCallbacks)49 void setControllerCallbacks(TaskbarEduCallbacks controllerCallbacks) { 50 mControllerCallbacks = controllerCallbacks; 51 mControllerCallbacks.onPageChanged(getCurrentPage(), getPageCount()); 52 } 53 54 @Override getChildGap()55 protected int getChildGap() { 56 return mTaskbarEduView.getPaddingLeft() + mTaskbarEduView.getPaddingRight(); 57 } 58 59 @Override onScrollChanged(int l, int t, int oldl, int oldt)60 protected void onScrollChanged(int l, int t, int oldl, int oldt) { 61 super.onScrollChanged(l, t, oldl, oldt); 62 if (mMaxScroll > 0) { 63 mPageIndicator.setScroll(l, mMaxScroll); 64 } 65 } 66 67 @Override notifyPageSwitchListener(int prevPage)68 protected void notifyPageSwitchListener(int prevPage) { 69 super.notifyPageSwitchListener(prevPage); 70 mControllerCallbacks.onPageChanged(getCurrentPage(), getPageCount()); 71 } 72 73 @Override canScroll(float absVScroll, float absHScroll)74 protected boolean canScroll(float absVScroll, float absHScroll) { 75 return AbstractFloatingView.getTopOpenViewWithType( 76 ActivityContext.lookupContext(getContext()), 77 TYPE_ALL & ~TYPE_TASKBAR_EDUCATION_DIALOG) == null; 78 } 79 } 80