Hongming Jin
91 lines
3.0 KiB
Java
91 lines
3.0 KiB
Java
/*
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* Copyright (C) 2020 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.android.launcher3.accessibility;
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import static com.android.launcher3.LauncherState.ALL_APPS;
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import static com.android.launcher3.LauncherState.NORMAL;
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import android.app.PendingIntent;
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import android.app.RemoteAction;
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import android.content.BroadcastReceiver;
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import android.content.Context;
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import android.content.Intent;
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import android.content.IntentFilter;
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import android.graphics.drawable.Icon;
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import android.view.accessibility.AccessibilityManager;
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import com.android.launcher3.Launcher;
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import com.android.launcher3.LauncherState;
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import com.android.launcher3.LauncherStateManager;
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import com.android.launcher3.R;
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/**
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* Manages the launcher system actions presented to accessibility services.
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*/
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public class SystemActions {
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/**
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* System Action ID to show all apps. This ID should follow the ones in
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* com.android.systemui.accessibility.SystemActions.
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*/
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private static final int SYSTEM_ACTION_ID_ALL_APPS = 100;
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private Launcher mLauncher;
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private AccessibilityManager mAccessibilityManager;
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private RemoteAction mAllAppsAction;
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private boolean mRegistered;
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public SystemActions(Launcher launcher) {
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mLauncher = launcher;
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mAccessibilityManager = (AccessibilityManager) launcher.getSystemService(
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Context.ACCESSIBILITY_SERVICE);
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mAllAppsAction = new RemoteAction(
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Icon.createWithResource(launcher, R.drawable.ic_apps),
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launcher.getString(R.string.all_apps_label),
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launcher.getString(R.string.all_apps_label),
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launcher.createPendingResult(SYSTEM_ACTION_ID_ALL_APPS, new Intent(),
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0 /* flags */));
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}
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public void register() {
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if (mRegistered) {
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return;
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}
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mAccessibilityManager.registerSystemAction(mAllAppsAction, SYSTEM_ACTION_ID_ALL_APPS);
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mRegistered = true;
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}
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public void unregister() {
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if (!mRegistered) {
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return;
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}
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mAccessibilityManager.unregisterSystemAction(SYSTEM_ACTION_ID_ALL_APPS);
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mRegistered = false;
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}
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public void onActivityResult(int requestCode) {
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if (requestCode == SYSTEM_ACTION_ID_ALL_APPS) {
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showAllApps();
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}
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}
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private void showAllApps() {
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LauncherStateManager stateManager = mLauncher.getStateManager();
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stateManager.goToState(NORMAL);
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stateManager.goToState(ALL_APPS);
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}
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}
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