StatusBarWindowManager.java revision 5fd4d05aae4b8b0dc1d1b21a206e218f47b0ea3a
1/* 2 * Copyright (C) 2014 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 17package com.android.systemui.statusbar.phone; 18 19import android.content.Context; 20import android.content.pm.ActivityInfo; 21import android.content.res.Resources; 22import android.graphics.PixelFormat; 23import android.os.SystemProperties; 24import android.view.Gravity; 25import android.view.View; 26import android.view.ViewGroup; 27import android.view.WindowManager; 28 29import com.android.keyguard.R; 30import com.android.systemui.statusbar.BaseStatusBar; 31import com.android.systemui.statusbar.StatusBarState; 32 33/** 34 * Encapsulates all logic for the status bar window state management. 35 */ 36public class StatusBarWindowManager { 37 38 private final Context mContext; 39 private final WindowManager mWindowManager; 40 private View mStatusBarView; 41 private WindowManager.LayoutParams mLp; 42 private int mBarHeight; 43 private final boolean mKeyguardScreenRotation; 44 45 private final State mCurrentState = new State(); 46 47 public StatusBarWindowManager(Context context) { 48 mContext = context; 49 mWindowManager = (WindowManager) context.getSystemService(Context.WINDOW_SERVICE); 50 mKeyguardScreenRotation = shouldEnableKeyguardScreenRotation(); 51 } 52 53 private boolean shouldEnableKeyguardScreenRotation() { 54 Resources res = mContext.getResources(); 55 return SystemProperties.getBoolean("lockscreen.rot_override", false) 56 || res.getBoolean(R.bool.config_enableLockScreenRotation); 57 } 58 59 /** 60 * Adds the status bar view to the window manager. 61 * 62 * @param statusBarView The view to add. 63 * @param barHeight The height of the status bar in collapsed state. 64 */ 65 public void add(View statusBarView, int barHeight) { 66 67 // Now that the status bar window encompasses the sliding panel and its 68 // translucent backdrop, the entire thing is made TRANSLUCENT and is 69 // hardware-accelerated. 70 mLp = new WindowManager.LayoutParams( 71 ViewGroup.LayoutParams.MATCH_PARENT, 72 barHeight, 73 WindowManager.LayoutParams.TYPE_STATUS_BAR, 74 WindowManager.LayoutParams.FLAG_NOT_FOCUSABLE 75 | WindowManager.LayoutParams.FLAG_TOUCHABLE_WHEN_WAKING 76 | WindowManager.LayoutParams.FLAG_SPLIT_TOUCH 77 | WindowManager.LayoutParams.FLAG_WATCH_OUTSIDE_TOUCH 78 | WindowManager.LayoutParams.FLAG_TRANSLUCENT_NAVIGATION 79 | WindowManager.LayoutParams.FLAG_TRANSLUCENT_STATUS, 80 PixelFormat.TRANSLUCENT); 81 mLp.flags |= WindowManager.LayoutParams.FLAG_HARDWARE_ACCELERATED; 82 mLp.gravity = Gravity.TOP; 83 mLp.softInputMode = WindowManager.LayoutParams.SOFT_INPUT_ADJUST_RESIZE; 84 mLp.setTitle("StatusBar"); 85 mLp.packageName = mContext.getPackageName(); 86 mStatusBarView = statusBarView; 87 mBarHeight = barHeight; 88 mWindowManager.addView(mStatusBarView, mLp); 89 } 90 91 private void applyKeyguardFlags(State state) { 92 if (state.keyguardShowing) { 93 mLp.flags |= WindowManager.LayoutParams.FLAG_SHOW_WALLPAPER; 94 mLp.privateFlags |= WindowManager.LayoutParams.PRIVATE_FLAG_KEYGUARD; 95 } else { 96 mLp.flags &= ~WindowManager.LayoutParams.FLAG_SHOW_WALLPAPER; 97 mLp.privateFlags &= ~WindowManager.LayoutParams.PRIVATE_FLAG_KEYGUARD; 98 } 99 } 100 101 private void adjustScreenOrientation(State state) { 102 if (state.isKeyguardShowingAndNotOccluded()) { 103 if (mKeyguardScreenRotation) { 104 mLp.screenOrientation = ActivityInfo.SCREEN_ORIENTATION_USER; 105 } else { 106 mLp.screenOrientation = ActivityInfo.SCREEN_ORIENTATION_NOSENSOR; 107 } 108 } else { 109 mLp.screenOrientation = ActivityInfo.SCREEN_ORIENTATION_UNSPECIFIED; 110 } 111 } 112 113 private void applyFocusableFlag(State state) { 114 if (state.isKeyguardShowingAndNotOccluded() && state.keyguardNeedsInput 115 && state.bouncerShowing) { 116 mLp.flags &= ~WindowManager.LayoutParams.FLAG_NOT_FOCUSABLE; 117 mLp.flags &= ~WindowManager.LayoutParams.FLAG_ALT_FOCUSABLE_IM; 118 } else if (state.isKeyguardShowingAndNotOccluded() || state.statusBarFocusable) { 119 mLp.flags &= ~WindowManager.LayoutParams.FLAG_NOT_FOCUSABLE; 120 mLp.flags |= WindowManager.LayoutParams.FLAG_ALT_FOCUSABLE_IM; 121 } else { 122 mLp.flags |= WindowManager.LayoutParams.FLAG_NOT_FOCUSABLE; 123 mLp.flags &= ~WindowManager.LayoutParams.FLAG_ALT_FOCUSABLE_IM; 124 } 125 } 126 127 private void applyHeight(State state) { 128 boolean expanded = state.isKeyguardShowingAndNotOccluded() || state.statusBarExpanded; 129 if (expanded) { 130 mLp.height = ViewGroup.LayoutParams.MATCH_PARENT; 131 } else { 132 mLp.height = mBarHeight; 133 } 134 } 135 136 private void applyFitsSystemWindows(State state) { 137 mStatusBarView.setFitsSystemWindows(!state.isKeyguardShowingAndNotOccluded()); 138 } 139 140 private void applyUserActivityTimeout(State state) { 141 if (state.isKeyguardShowingAndNotOccluded() 142 && state.statusBarState == StatusBarState.KEYGUARD) { 143 mLp.userActivityTimeout = state.keyguardUserActivityTimeout; 144 } else { 145 mLp.userActivityTimeout = -1; 146 } 147 } 148 149 private void applyInputFeatures(State state) { 150 if (state.isKeyguardShowingAndNotOccluded() 151 && state.statusBarState == StatusBarState.KEYGUARD) { 152 mLp.inputFeatures |= WindowManager.LayoutParams.INPUT_FEATURE_DISABLE_USER_ACTIVITY; 153 } else { 154 mLp.inputFeatures &= ~WindowManager.LayoutParams.INPUT_FEATURE_DISABLE_USER_ACTIVITY; 155 } 156 } 157 158 private void apply(State state) { 159 applyKeyguardFlags(state); 160 applyFocusableFlag(state); 161 adjustScreenOrientation(state); 162 applyHeight(state); 163 applyUserActivityTimeout(state); 164 applyInputFeatures(state); 165 applyFitsSystemWindows(state); 166 mWindowManager.updateViewLayout(mStatusBarView, mLp); 167 } 168 169 public void setKeyguardShowing(boolean showing) { 170 mCurrentState.keyguardShowing = showing; 171 apply(mCurrentState); 172 } 173 174 public void setKeyguardOccluded(boolean occluded) { 175 mCurrentState.keyguardOccluded = occluded; 176 apply(mCurrentState); 177 } 178 179 public void setKeyguardNeedsInput(boolean needsInput) { 180 mCurrentState.keyguardNeedsInput = needsInput; 181 apply(mCurrentState); 182 } 183 184 public void setStatusBarExpanded(boolean expanded) { 185 mCurrentState.statusBarExpanded = expanded; 186 mCurrentState.statusBarFocusable = expanded; 187 apply(mCurrentState); 188 } 189 190 public void setStatusBarFocusable(boolean focusable) { 191 mCurrentState.statusBarFocusable = focusable; 192 apply(mCurrentState); 193 } 194 195 public void setKeyguardUserActivityTimeout(long timeout) { 196 mCurrentState.keyguardUserActivityTimeout = timeout; 197 apply(mCurrentState); 198 } 199 200 public void setBouncerShowing(boolean showing) { 201 mCurrentState.bouncerShowing = showing; 202 apply(mCurrentState); 203 } 204 205 /** 206 * @param state The {@link StatusBarState} of the status bar. 207 */ 208 public void setStatusBarState(int state) { 209 mCurrentState.statusBarState = state; 210 apply(mCurrentState); 211 } 212 213 private static class State { 214 boolean keyguardShowing; 215 boolean keyguardOccluded; 216 boolean keyguardNeedsInput; 217 boolean statusBarExpanded; 218 boolean statusBarFocusable; 219 long keyguardUserActivityTimeout; 220 boolean bouncerShowing; 221 222 /** 223 * The {@link BaseStatusBar} state from the status bar. 224 */ 225 int statusBarState; 226 227 private boolean isKeyguardShowingAndNotOccluded() { 228 return keyguardShowing && !keyguardOccluded; 229 } 230 } 231} 232