| /* |
| * 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 static android.view.Display.DEFAULT_DISPLAY; |
| |
| import android.annotation.IntDef; |
| import android.content.ComponentCallbacks; |
| import android.content.Context; |
| import android.content.res.Configuration; |
| import android.content.res.Resources; |
| import android.database.ContentObserver; |
| import android.graphics.Point; |
| import android.net.Uri; |
| import android.os.Handler; |
| import android.provider.Settings; |
| |
| 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 implements ComponentCallbacks { |
| private static final String HIDE_BACK_BUTTON_SETTING = "quickstepcontroller_hideback"; |
| private static final String HIDE_HOME_BUTTON_SETTING = "quickstepcontroller_hidehome"; |
| private static final String PROTOTYPE_ENABLED = "prototype_enabled"; |
| |
| public static final String EDGE_SENSITIVITY_WIDTH_SETTING = |
| "quickstepcontroller_edge_width_sensitivity"; |
| private final String GESTURE_MATCH_SETTING = "quickstepcontroller_gesture_match_map"; |
| public static final String NAV_COLOR_ADAPT_ENABLE_SETTING = "navbar_color_adapt_enable"; |
| public static final String SHOW_HOME_HANDLE_SETTING = "quickstepcontroller_showhandle"; |
| public static final String ENABLE_ASSISTANT_GESTURE = "ENABLE_ASSISTANT_GESTURE"; |
| |
| @Retention(RetentionPolicy.SOURCE) |
| @IntDef({ACTION_DEFAULT, ACTION_QUICKSTEP, ACTION_QUICKSCRUB, ACTION_BACK, |
| ACTION_QUICKSWITCH, ACTION_NOTHING, ACTION_ASSISTANT}) |
| @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; |
| static final int ACTION_NOTHING = 5; |
| static final int ACTION_ASSISTANT = 6; |
| |
| 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(Context context) { |
| super(new 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(HIDE_HOME_BUTTON_SETTING); |
| registerObserver(GESTURE_MATCH_SETTING); |
| registerObserver(NAV_COLOR_ADAPT_ENABLE_SETTING); |
| registerObserver(SHOW_HOME_HANDLE_SETTING); |
| registerObserver(ENABLE_ASSISTANT_GESTURE); |
| mContext.registerComponentCallbacks(this); |
| } |
| |
| /** |
| * Disable observing settings to react to from prototype settings |
| */ |
| public void unregister() { |
| mContext.getContentResolver().unregisterContentObserver(this); |
| mContext.unregisterComponentCallbacks(this); |
| } |
| |
| @Override |
| public void onChange(boolean selfChange, Uri uri) { |
| super.onChange(selfChange, uri); |
| if (!selfChange && mListener != null) { |
| 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, false)); |
| } else if (path.endsWith(HIDE_HOME_BUTTON_SETTING)) { |
| mListener.onHomeButtonVisibilityChanged(!hideHomeButton()); |
| } else if (path.endsWith(NAV_COLOR_ADAPT_ENABLE_SETTING)) { |
| mListener.onColorAdaptChanged(mContext.getDisplayId() == DEFAULT_DISPLAY); |
| } else if (path.endsWith(SHOW_HOME_HANDLE_SETTING)) { |
| mListener.onHomeHandleVisiblilityChanged(showHomeHandle()); |
| } else if (path.endsWith(ENABLE_ASSISTANT_GESTURE)) { |
| mListener.onAssistantGestureEnabled(isAssistantGestureEnabled()); |
| } |
| } |
| } |
| |
| /** |
| * @return the width for edge swipe |
| */ |
| public int getEdgeSensitivityWidth() { |
| return mContext.getResources().getDimensionPixelSize( |
| com.android.internal.R.dimen.config_backGestureInset); |
| } |
| |
| /** |
| * @return full screen height |
| */ |
| public int getEdgeSensitivityHeight() { |
| final Point size = new Point(); |
| mContext.getDisplay().getRealSize(size); |
| return size.y; |
| } |
| |
| public boolean isEnabled() { |
| return getGlobalBool(PROTOTYPE_ENABLED, false); |
| } |
| |
| /** |
| * Retrieve the action map to apply to the quick step controller |
| * @return an action map |
| */ |
| int[] getGestureActionMap() { |
| return mActionMap; |
| } |
| |
| /** |
| * @return if home button should be invisible |
| */ |
| boolean hideHomeButton() { |
| return getGlobalBool(HIDE_HOME_BUTTON_SETTING, false /* default */); |
| } |
| |
| boolean showHomeHandle() { |
| return getGlobalBool(SHOW_HOME_HANDLE_SETTING, false /* default */); |
| } |
| |
| boolean isAssistantGestureEnabled() { |
| return getGlobalBool(ENABLE_ASSISTANT_GESTURE, false /* default */); |
| } |
| |
| |
| /** |
| * 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, boolean defaultVal) { |
| return Settings.Global.getInt(mContext.getContentResolver(), name, defaultVal ? 1 : 0) == 1; |
| } |
| |
| private int getGlobalInt(String name, int defaultVal) { |
| return Settings.Global.getInt(mContext.getContentResolver(), name, defaultVal); |
| } |
| |
| private void registerObserver(String name) { |
| mContext.getContentResolver() |
| .registerContentObserver(Settings.Global.getUriFor(name), false, this); |
| } |
| |
| private static int convertDpToPixel(float dp) { |
| return (int) (dp * Resources.getSystem().getDisplayMetrics().density); |
| } |
| |
| @Override |
| public void onConfigurationChanged(Configuration newConfig) { |
| if (mListener != null) { |
| mListener.onEdgeSensitivityChanged(getEdgeSensitivityWidth(), |
| getEdgeSensitivityHeight()); |
| } |
| } |
| |
| @Override |
| public void onLowMemory() { |
| } |
| |
| public interface OnPrototypeChangedListener { |
| void onGestureRemap(@GestureAction int[] actions); |
| void onBackButtonVisibilityChanged(boolean visible); |
| void onHomeButtonVisibilityChanged(boolean visible); |
| void onHomeHandleVisiblilityChanged(boolean visible); |
| void onColorAdaptChanged(boolean enabled); |
| void onEdgeSensitivityChanged(int width, int height); |
| void onAssistantGestureEnabled(boolean enabled); |
| } |
| } |