Extract common codes for personal / work profile tabs

These codes can be reused in the FullWidgetsSheet which we will be adding tabs for personal / work profile. Test: Set up work profile and then switch person / work profile tabs in the AllAppsContainerView. Bug: 179797520 Change-Id: Ib7eb1190e1384a664cbe3e34411c9362f1f6db03
2021-02-17 11:40:07 +00:00
parent e1a8440d78
commit b686972b7d
8 changed files with 178 additions and 107 deletions
@@ -0,0 +1,92 @@
+/*
+ * Copyright (C) 2021 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.launcher3.workprofile;
+
+import android.content.Context;
+import android.util.AttributeSet;
+import android.view.MotionEvent;
+
+import com.android.launcher3.PagedView;
+
+/**
+ *  A {@link PagedView} for showing different views for the personal and work profile respectively.
+ */
+public class PersonalWorkPagedView extends PagedView<PersonalWorkSlidingTabStrip> {
+
+    static final float START_DAMPING_TOUCH_SLOP_ANGLE = (float) Math.PI / 6;
+    static final float MAX_SWIPE_ANGLE = (float) Math.PI / 3;
+    static final float TOUCH_SLOP_DAMPING_FACTOR = 4;
+
+    public PersonalWorkPagedView(Context context) {
+        this(context, null);
+    }
+
+    public PersonalWorkPagedView(Context context, AttributeSet attrs) {
+        this(context, attrs, 0);
+    }
+
+    public PersonalWorkPagedView(Context context, AttributeSet attrs, int defStyle) {
+        super(context, attrs, defStyle);
+    }
+
+    @Override
+    protected String getCurrentPageDescription() {
+        // Not necessary, tab-bar already has two tabs with their own descriptions.
+        return "";
+    }
+
+    @Override
+    protected void onScrollChanged(int l, int t, int oldl, int oldt) {
+        super.onScrollChanged(l, t, oldl, oldt);
+        mPageIndicator.setScroll(l, mMaxScroll);
+    }
+
+    @Override
+    protected void determineScrollingStart(MotionEvent ev) {
+        float absDeltaX = Math.abs(ev.getX() - getDownMotionX());
+        float absDeltaY = Math.abs(ev.getY() - getDownMotionY());
+
+        if (Float.compare(absDeltaX, 0f) == 0) return;
+
+        float slope = absDeltaY / absDeltaX;
+        float theta = (float) Math.atan(slope);
+
+        if (absDeltaX > mTouchSlop || absDeltaY > mTouchSlop) {
+            cancelCurrentPageLongPress();
+        }
+
+        if (theta > MAX_SWIPE_ANGLE) {
+            return;
+        } else if (theta > START_DAMPING_TOUCH_SLOP_ANGLE) {
+            theta -= START_DAMPING_TOUCH_SLOP_ANGLE;
+            float extraRatio = (float)
+                    Math.sqrt((theta / (MAX_SWIPE_ANGLE - START_DAMPING_TOUCH_SLOP_ANGLE)));
+            super.determineScrollingStart(ev, 1 + TOUCH_SLOP_DAMPING_FACTOR * extraRatio);
+        } else {
+            super.determineScrollingStart(ev);
+        }
+    }
+
+    @Override
+    public boolean hasOverlappingRendering() {
+        return false;
+    }
+
+    @Override
+    protected boolean canScroll(float absVScroll, float absHScroll) {
+        return (absHScroll > absVScroll) && super.canScroll(absVScroll, absHScroll);
+    }
+}