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      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 
     17 package com.android.systemui.qs.tiles;
     18 
     19 import android.content.res.Configuration;
     20 
     21 import com.android.internal.logging.MetricsLogger;
     22 import com.android.systemui.R;
     23 import com.android.systemui.qs.QSTile;
     24 import com.android.systemui.statusbar.policy.RotationLockController;
     25 import com.android.systemui.statusbar.policy.RotationLockController.RotationLockControllerCallback;
     26 
     27 /** Quick settings tile: Rotation **/
     28 public class RotationLockTile extends QSTile<QSTile.BooleanState> {
     29     private final AnimationIcon mPortraitToAuto
     30             = new AnimationIcon(R.drawable.ic_portrait_to_auto_rotate_animation);
     31     private final AnimationIcon mAutoToPortrait
     32             = new AnimationIcon(R.drawable.ic_portrait_from_auto_rotate_animation);
     33 
     34     private final AnimationIcon mLandscapeToAuto
     35             = new AnimationIcon(R.drawable.ic_landscape_to_auto_rotate_animation);
     36     private final AnimationIcon mAutoToLandscape
     37             = new AnimationIcon(R.drawable.ic_landscape_from_auto_rotate_animation);
     38 
     39     private final RotationLockController mController;
     40 
     41     public RotationLockTile(Host host) {
     42         super(host);
     43         mController = host.getRotationLockController();
     44     }
     45 
     46     @Override
     47     protected BooleanState newTileState() {
     48         return new BooleanState();
     49     }
     50 
     51     public void setListening(boolean listening) {
     52         if (mController == null) return;
     53         if (listening) {
     54             mController.addRotationLockControllerCallback(mCallback);
     55         } else {
     56             mController.removeRotationLockControllerCallback(mCallback);
     57         }
     58     }
     59 
     60     @Override
     61     protected void handleClick() {
     62         if (mController == null) return;
     63         MetricsLogger.action(mContext, getMetricsCategory(), !mState.value);
     64         final boolean newState = !mState.value;
     65         mController.setRotationLocked(newState);
     66         refreshState(newState ? UserBoolean.USER_TRUE : UserBoolean.USER_FALSE);
     67     }
     68 
     69     @Override
     70     protected void handleUpdateState(BooleanState state, Object arg) {
     71         if (mController == null) return;
     72         final boolean rotationLocked = arg != null ? ((UserBoolean) arg).value
     73                 : mController.isRotationLocked();
     74         final boolean userInitiated = arg != null ? ((UserBoolean) arg).userInitiated : false;
     75         state.visible = mController.isRotationLockAffordanceVisible();
     76         if (state.value == rotationLocked && state.contentDescription != null) {
     77             // No change and initialized, no need to update all the values.
     78             return;
     79         }
     80         state.value = rotationLocked;
     81         final boolean portrait = isCurrentOrientationLockPortrait();
     82         final AnimationIcon icon;
     83         if (rotationLocked) {
     84             final int label = portrait ? R.string.quick_settings_rotation_locked_portrait_label
     85                     : R.string.quick_settings_rotation_locked_landscape_label;
     86             state.label = mContext.getString(label);
     87             icon = portrait ? mAutoToPortrait : mAutoToLandscape;
     88         } else {
     89             state.label = mContext.getString(R.string.quick_settings_rotation_unlocked_label);
     90             icon = portrait ? mPortraitToAuto : mLandscapeToAuto;
     91         }
     92         icon.setAllowAnimation(userInitiated);
     93         state.icon = icon;
     94         state.contentDescription = getAccessibilityString(rotationLocked,
     95                 R.string.accessibility_rotation_lock_on_portrait,
     96                 R.string.accessibility_rotation_lock_on_landscape,
     97                 R.string.accessibility_rotation_lock_off);
     98     }
     99 
    100     private boolean isCurrentOrientationLockPortrait() {
    101         int lockOrientation = mController.getRotationLockOrientation();
    102         if (lockOrientation == Configuration.ORIENTATION_UNDEFINED) {
    103             // Freely rotating device; use current rotation
    104             return mContext.getResources().getConfiguration().orientation
    105                     != Configuration.ORIENTATION_LANDSCAPE;
    106         } else {
    107             return lockOrientation != Configuration.ORIENTATION_LANDSCAPE;
    108         }
    109     }
    110 
    111     @Override
    112     public int getMetricsCategory() {
    113         return MetricsLogger.QS_ROTATIONLOCK;
    114     }
    115 
    116     /**
    117      * Get the correct accessibility string based on the state
    118      *
    119      * @param locked Whether or not rotation is locked.
    120      * @param idWhenPortrait The id which should be used when locked in portrait.
    121      * @param idWhenLandscape The id which should be used when locked in landscape.
    122      * @param idWhenOff The id which should be used when the rotation lock is off.
    123      * @return
    124      */
    125     private String getAccessibilityString(boolean locked, int idWhenPortrait, int idWhenLandscape,
    126             int idWhenOff) {
    127         int stringID;
    128         if (locked) {
    129             stringID = isCurrentOrientationLockPortrait() ? idWhenPortrait: idWhenLandscape;
    130         } else {
    131             stringID = idWhenOff;
    132         }
    133         return mContext.getString(stringID);
    134     }
    135 
    136     @Override
    137     protected String composeChangeAnnouncement() {
    138         return getAccessibilityString(mState.value,
    139                 R.string.accessibility_rotation_lock_on_portrait_changed,
    140                 R.string.accessibility_rotation_lock_on_landscape_changed,
    141                 R.string.accessibility_rotation_lock_off_changed);
    142     }
    143 
    144     private final RotationLockControllerCallback mCallback = new RotationLockControllerCallback() {
    145         @Override
    146         public void onRotationLockStateChanged(boolean rotationLocked, boolean affordanceVisible) {
    147             refreshState(rotationLocked ? UserBoolean.BACKGROUND_TRUE
    148                     : UserBoolean.BACKGROUND_FALSE);
    149         }
    150     };
    151 }
    152