1 /* 2 * Copyright (C) 2015 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.systemui.stackdivider; 18 19 import android.content.Context; 20 import android.graphics.PixelFormat; 21 import android.view.View; 22 import android.view.WindowManager; 23 24 import static android.view.WindowManager.LayoutParams.FLAG_NOT_FOCUSABLE; 25 import static android.view.WindowManager.LayoutParams.FLAG_NOT_TOUCHABLE; 26 import static android.view.WindowManager.LayoutParams.FLAG_NOT_TOUCH_MODAL; 27 import static android.view.WindowManager.LayoutParams.FLAG_SLIPPERY; 28 import static android.view.WindowManager.LayoutParams.FLAG_SPLIT_TOUCH; 29 import static android.view.WindowManager.LayoutParams.FLAG_WATCH_OUTSIDE_TOUCH; 30 import static android.view.WindowManager.LayoutParams.PRIVATE_FLAG_NO_MOVE_ANIMATION; 31 import static android.view.WindowManager.LayoutParams.TYPE_DOCK_DIVIDER; 32 33 /** 34 * Manages the window parameters of the docked stack divider. 35 */ 36 public class DividerWindowManager { 37 38 private static final String WINDOW_TITLE = "DockedStackDivider"; 39 40 private final WindowManager mWindowManager; 41 private WindowManager.LayoutParams mLp; 42 private View mView; 43 DividerWindowManager(Context ctx)44 public DividerWindowManager(Context ctx) { 45 mWindowManager = ctx.getSystemService(WindowManager.class); 46 } 47 add(View view, int width, int height)48 public void add(View view, int width, int height) { 49 mLp = new WindowManager.LayoutParams( 50 width, height, TYPE_DOCK_DIVIDER, 51 FLAG_NOT_FOCUSABLE | FLAG_NOT_TOUCH_MODAL 52 | FLAG_WATCH_OUTSIDE_TOUCH | FLAG_SPLIT_TOUCH | FLAG_SLIPPERY, 53 PixelFormat.TRANSLUCENT); 54 mLp.setTitle(WINDOW_TITLE); 55 mLp.privateFlags |= PRIVATE_FLAG_NO_MOVE_ANIMATION; 56 view.setSystemUiVisibility(View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN 57 | View.SYSTEM_UI_FLAG_LAYOUT_HIDE_NAVIGATION 58 | View.SYSTEM_UI_FLAG_LAYOUT_STABLE); 59 mWindowManager.addView(view, mLp); 60 mView = view; 61 } 62 remove()63 public void remove() { 64 if (mView != null) { 65 mWindowManager.removeView(mView); 66 } 67 mView = null; 68 } 69 setSlippery(boolean slippery)70 public void setSlippery(boolean slippery) { 71 boolean changed = false; 72 if (slippery && (mLp.flags & FLAG_SLIPPERY) == 0) { 73 mLp.flags |= FLAG_SLIPPERY; 74 changed = true; 75 } else if (!slippery && (mLp.flags & FLAG_SLIPPERY) != 0) { 76 mLp.flags &= ~FLAG_SLIPPERY; 77 changed = true; 78 } 79 if (changed) { 80 mWindowManager.updateViewLayout(mView, mLp); 81 } 82 } 83 setTouchable(boolean touchable)84 public void setTouchable(boolean touchable) { 85 boolean changed = false; 86 if (!touchable && (mLp.flags & FLAG_NOT_TOUCHABLE) == 0) { 87 mLp.flags |= FLAG_NOT_TOUCHABLE; 88 changed = true; 89 } else if (touchable && (mLp.flags & FLAG_NOT_TOUCHABLE) != 0) { 90 mLp.flags &= ~FLAG_NOT_TOUCHABLE; 91 changed = true; 92 } 93 if (changed) { 94 mWindowManager.updateViewLayout(mView, mLp); 95 } 96 } 97 } 98