| /* |
| * Copyright (C) 2019 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.quickstep; |
| |
| import static com.android.launcher3.ResourceUtils.INVALID_RESOURCE_HANDLE; |
| import static com.android.launcher3.logging.StatsLogManager.LauncherEvent.LAUNCHER_NAVIGATION_MODE_2_BUTTON; |
| import static com.android.launcher3.logging.StatsLogManager.LauncherEvent.LAUNCHER_NAVIGATION_MODE_3_BUTTON; |
| import static com.android.launcher3.logging.StatsLogManager.LauncherEvent.LAUNCHER_NAVIGATION_MODE_GESTURE_BUTTON; |
| import static com.android.launcher3.util.PackageManagerHelper.getPackageFilter; |
| |
| import android.content.BroadcastReceiver; |
| import android.content.Context; |
| import android.content.Intent; |
| import android.util.Log; |
| |
| import com.android.launcher3.ResourceUtils; |
| import com.android.launcher3.logging.StatsLogManager.LauncherEvent; |
| import com.android.launcher3.util.MainThreadInitializedObject; |
| |
| import java.io.PrintWriter; |
| import java.util.ArrayList; |
| import java.util.List; |
| import java.util.concurrent.CopyOnWriteArrayList; |
| |
| /** |
| * Observer for the resource config that specifies the navigation bar mode. |
| */ |
| public class SysUINavigationMode { |
| |
| public enum Mode { |
| THREE_BUTTONS(false, 0, LAUNCHER_NAVIGATION_MODE_3_BUTTON), |
| TWO_BUTTONS(true, 1, LAUNCHER_NAVIGATION_MODE_2_BUTTON), |
| NO_BUTTON(true, 2, LAUNCHER_NAVIGATION_MODE_GESTURE_BUTTON); |
| |
| public final boolean hasGestures; |
| public final int resValue; |
| public final LauncherEvent launcherEvent; |
| |
| Mode(boolean hasGestures, int resValue, LauncherEvent launcherEvent) { |
| this.hasGestures = hasGestures; |
| this.resValue = resValue; |
| this.launcherEvent = launcherEvent; |
| } |
| } |
| |
| public static Mode getMode(Context context) { |
| return INSTANCE.get(context).getMode(); |
| } |
| |
| public static final MainThreadInitializedObject<SysUINavigationMode> INSTANCE = |
| new MainThreadInitializedObject<>(SysUINavigationMode::new); |
| |
| private static final String TAG = "SysUINavigationMode"; |
| private static final String ACTION_OVERLAY_CHANGED = "android.intent.action.OVERLAY_CHANGED"; |
| private static final String NAV_BAR_INTERACTION_MODE_RES_NAME = |
| "config_navBarInteractionMode"; |
| private static final String TARGET_OVERLAY_PACKAGE = "android"; |
| |
| private final Context mContext; |
| private Mode mMode; |
| |
| private int mNavBarGesturalHeight; |
| private int mNavBarLargerGesturalHeight; |
| |
| private final List<NavigationModeChangeListener> mChangeListeners = |
| new CopyOnWriteArrayList<>(); |
| private final List<OneHandedModeChangeListener> mOneHandedOverlayChangeListeners = |
| new ArrayList<>(); |
| |
| public SysUINavigationMode(Context context) { |
| mContext = context; |
| initializeMode(); |
| |
| mContext.registerReceiver(new BroadcastReceiver() { |
| @Override |
| public void onReceive(Context context, Intent intent) { |
| updateMode(); |
| updateGesturalHeight(); |
| } |
| }, getPackageFilter(TARGET_OVERLAY_PACKAGE, ACTION_OVERLAY_CHANGED)); |
| } |
| |
| /** Updates navigation mode when needed. */ |
| public void updateMode() { |
| Mode oldMode = mMode; |
| initializeMode(); |
| if (mMode != oldMode) { |
| dispatchModeChange(); |
| } |
| } |
| |
| private void updateGesturalHeight() { |
| int newGesturalHeight = ResourceUtils.getDimenByName( |
| ResourceUtils.NAVBAR_BOTTOM_GESTURE_SIZE, mContext.getResources(), |
| INVALID_RESOURCE_HANDLE); |
| |
| if (newGesturalHeight == INVALID_RESOURCE_HANDLE) { |
| Log.e(TAG, "Failed to get system resource ID. Incompatible framework version?"); |
| return; |
| } |
| |
| if (mNavBarGesturalHeight != newGesturalHeight) { |
| mNavBarGesturalHeight = newGesturalHeight; |
| } |
| |
| int newLargerGesturalHeight = ResourceUtils.getDimenByName( |
| ResourceUtils.NAVBAR_BOTTOM_GESTURE_LARGER_SIZE, mContext.getResources(), |
| INVALID_RESOURCE_HANDLE); |
| if (newLargerGesturalHeight == INVALID_RESOURCE_HANDLE) { |
| Log.e(TAG, "Failed to get system resource ID. Incompatible framework version?"); |
| return; |
| } |
| if (mNavBarLargerGesturalHeight != newLargerGesturalHeight) { |
| mNavBarLargerGesturalHeight = newLargerGesturalHeight; |
| dispatchOneHandedOverlayChange(); |
| } |
| } |
| |
| private void initializeMode() { |
| int modeInt = ResourceUtils.getIntegerByName(NAV_BAR_INTERACTION_MODE_RES_NAME, |
| mContext.getResources(), INVALID_RESOURCE_HANDLE); |
| mNavBarGesturalHeight = ResourceUtils.getDimenByName( |
| ResourceUtils.NAVBAR_BOTTOM_GESTURE_SIZE, mContext.getResources(), |
| INVALID_RESOURCE_HANDLE); |
| mNavBarLargerGesturalHeight = ResourceUtils.getDimenByName( |
| ResourceUtils.NAVBAR_BOTTOM_GESTURE_LARGER_SIZE, mContext.getResources(), |
| mNavBarGesturalHeight); |
| |
| if (modeInt == INVALID_RESOURCE_HANDLE) { |
| Log.e(TAG, "Failed to get system resource ID. Incompatible framework version?"); |
| return; |
| } |
| |
| for (Mode m : Mode.values()) { |
| if (m.resValue == modeInt) { |
| mMode = m; |
| } |
| } |
| } |
| |
| private void dispatchModeChange() { |
| for (NavigationModeChangeListener listener : mChangeListeners) { |
| listener.onNavigationModeChanged(mMode); |
| } |
| } |
| |
| private void dispatchOneHandedOverlayChange() { |
| for (OneHandedModeChangeListener listener : mOneHandedOverlayChangeListeners) { |
| listener.onOneHandedModeChanged(mNavBarLargerGesturalHeight); |
| } |
| } |
| |
| public Mode addModeChangeListener(NavigationModeChangeListener listener) { |
| mChangeListeners.add(listener); |
| return mMode; |
| } |
| |
| public void removeModeChangeListener(NavigationModeChangeListener listener) { |
| mChangeListeners.remove(listener); |
| } |
| |
| public int addOneHandedOverlayChangeListener(OneHandedModeChangeListener listener) { |
| mOneHandedOverlayChangeListeners.add(listener); |
| return mNavBarLargerGesturalHeight; |
| } |
| |
| public void removeOneHandedOverlayChangeListener(OneHandedModeChangeListener listener) { |
| mOneHandedOverlayChangeListeners.remove(listener); |
| } |
| |
| public Mode getMode() { |
| return mMode; |
| } |
| |
| public void dump(PrintWriter pw) { |
| pw.println("SysUINavigationMode:"); |
| pw.println(" mode=" + mMode.name()); |
| pw.println(" mNavBarGesturalHeight=:" + mNavBarGesturalHeight); |
| } |
| |
| public interface NavigationModeChangeListener { |
| void onNavigationModeChanged(Mode newMode); |
| } |
| |
| public interface OneHandedModeChangeListener { |
| void onOneHandedModeChanged(int newGesturalHeight); |
| } |
| } |