| /* |
| * Copyright (C) 2008 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.systemui.statusbar.phone; |
| |
| import android.annotation.IntDef; |
| import android.content.Context; |
| import android.database.ContentObserver; |
| import android.net.Uri; |
| import android.os.Handler; |
| import android.provider.Settings; |
| import android.provider.Settings.SettingNotFoundException; |
| |
| import java.lang.annotation.Retention; |
| import java.lang.annotation.RetentionPolicy; |
| |
| /** |
| * Coordinates with the prototype settings plugin app that uses Settings.Global to allow different |
| * prototypes to run in the system. The class will handle communication changes from the settings |
| * app and call back to listeners. |
| */ |
| public class NavigationPrototypeController extends ContentObserver { |
| private static final String HIDE_BACK_BUTTON_SETTING = "quickstepcontroller_hideback"; |
| |
| static final String NAVBAR_EXPERIMENTS_DISABLED = "navbarexperiments_disabled"; |
| private final String GESTURE_MATCH_SETTING = "quickstepcontroller_gesture_match_map"; |
| public static final String NAV_COLOR_ADAPT_ENABLE_SETTING = "navbar_color_adapt_enable"; |
| |
| @Retention(RetentionPolicy.SOURCE) |
| @IntDef({ACTION_DEFAULT, ACTION_QUICKSTEP, ACTION_QUICKSCRUB, ACTION_BACK}) |
| @interface GestureAction {} |
| static final int ACTION_DEFAULT = 0; |
| static final int ACTION_QUICKSTEP = 1; |
| static final int ACTION_QUICKSCRUB = 2; |
| static final int ACTION_BACK = 3; |
| static final int ACTION_QUICKSWITCH = 4; |
| |
| private OnPrototypeChangedListener mListener; |
| |
| /** |
| * Each index corresponds to a different action set in QuickStepController |
| * {@see updateSwipeLTRBackSetting} |
| */ |
| private int[] mActionMap = new int[6]; |
| |
| private final Context mContext; |
| |
| public NavigationPrototypeController(Handler handler, Context context) { |
| super(handler); |
| mContext = context; |
| updateSwipeLTRBackSetting(); |
| } |
| |
| public void setOnPrototypeChangedListener(OnPrototypeChangedListener listener) { |
| mListener = listener; |
| } |
| |
| /** |
| * Observe all the settings to react to from prototype settings |
| */ |
| public void register() { |
| registerObserver(HIDE_BACK_BUTTON_SETTING); |
| registerObserver(GESTURE_MATCH_SETTING); |
| registerObserver(NAV_COLOR_ADAPT_ENABLE_SETTING); |
| } |
| |
| /** |
| * Disable observing settings to react to from prototype settings |
| */ |
| public void unregister() { |
| mContext.getContentResolver().unregisterContentObserver(this); |
| } |
| |
| @Override |
| public void onChange(boolean selfChange, Uri uri) { |
| super.onChange(selfChange, uri); |
| if (!selfChange && mListener != null) { |
| try { |
| final String path = uri.getPath(); |
| if (path.endsWith(GESTURE_MATCH_SETTING)) { |
| // Get the settings gesture map corresponding to each action |
| // {@see updateSwipeLTRBackSetting} |
| updateSwipeLTRBackSetting(); |
| mListener.onGestureRemap(mActionMap); |
| } else if (path.endsWith(HIDE_BACK_BUTTON_SETTING)) { |
| mListener.onBackButtonVisibilityChanged( |
| !getGlobalBool(HIDE_BACK_BUTTON_SETTING)); |
| } else if (path.endsWith(NAV_COLOR_ADAPT_ENABLE_SETTING)) { |
| mListener.onColorAdaptChanged( |
| NavBarTintController.isEnabled(mContext)); |
| } |
| } catch (SettingNotFoundException e) { |
| e.printStackTrace(); |
| } |
| } |
| } |
| |
| /** |
| * Retrieve the action map to apply to the quick step controller |
| * @return an action map |
| */ |
| int[] getGestureActionMap() { |
| return mActionMap; |
| } |
| |
| /** |
| * Since Settings.Global cannot pass arrays, use a string to represent each character as a |
| * gesture map to actions corresponding to {@see GestureAction}. The number is represented as: |
| * Number: [up] [down] [left] [right] |
| */ |
| private void updateSwipeLTRBackSetting() { |
| String value = Settings.Global.getString(mContext.getContentResolver(), |
| GESTURE_MATCH_SETTING); |
| if (value != null) { |
| for (int i = 0; i < mActionMap.length; ++i) { |
| mActionMap[i] = Character.getNumericValue(value.charAt(i)); |
| } |
| } |
| } |
| |
| private boolean getGlobalBool(String name) throws SettingNotFoundException { |
| return Settings.Global.getInt(mContext.getContentResolver(), name) == 1; |
| } |
| |
| private void registerObserver(String name) { |
| mContext.getContentResolver() |
| .registerContentObserver(Settings.Global.getUriFor(name), false, this); |
| } |
| |
| public interface OnPrototypeChangedListener { |
| void onGestureRemap(@GestureAction int[] actions); |
| void onBackButtonVisibilityChanged(boolean visible); |
| void onColorAdaptChanged(boolean enabled); |
| } |
| } |