Register/unregister all apps system action with accessibility
Bug: 136286274
Change-Id: Ia43d30b7cf078f56cc9887c8b3fb31924ad2b1b0
diff --git a/quickstep/src/com/android/launcher3/BaseQuickstepLauncher.java b/quickstep/src/com/android/launcher3/BaseQuickstepLauncher.java
index fa0e840..b3b0572 100644
--- a/quickstep/src/com/android/launcher3/BaseQuickstepLauncher.java
+++ b/quickstep/src/com/android/launcher3/BaseQuickstepLauncher.java
@@ -36,6 +36,7 @@
import com.android.launcher3.LauncherState.ScaleAndTranslation;
import com.android.launcher3.LauncherStateManager.StateHandler;
+import com.android.launcher3.accessibility.SystemActions;
import com.android.launcher3.config.FeatureFlags;
import com.android.launcher3.model.WellbeingModel;
import com.android.launcher3.popup.SystemShortcut;
@@ -62,6 +63,8 @@
public abstract class BaseQuickstepLauncher extends Launcher
implements NavigationModeChangeListener {
+ protected SystemActions mSystemActions;
+
/**
* Reusable command for applying the back button alpha on the background thread.
*/
@@ -74,6 +77,7 @@
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
+ mSystemActions = new SystemActions(this);
SysUINavigationMode.Mode mode = SysUINavigationMode.INSTANCE.get(this)
.addModeChangeListener(this);
@@ -132,6 +136,12 @@
}
@Override
+ public void onActivityResult(int requestCode, int resultCode, Intent data) {
+ super.onActivityResult(requestCode, resultCode, data);
+ mSystemActions.onActivityResult(requestCode);
+ }
+
+ @Override
public void onEnterAnimationComplete() {
super.onEnterAnimationComplete();
// After the transition to home, enable the high-res thumbnail loader if it wasn't enabled
@@ -188,6 +198,15 @@
// removes the task itself.
startActivity(ProxyActivityStarter.getLaunchIntent(this, null));
}
+
+ // Register all system actions once they are available
+ mSystemActions.register();
+ }
+
+ @Override
+ protected void onPause() {
+ super.onPause();
+ mSystemActions.unregister();
}
@Override
diff --git a/quickstep/src/com/android/launcher3/accessibility/SystemActions.java b/quickstep/src/com/android/launcher3/accessibility/SystemActions.java
new file mode 100644
index 0000000..669877f
--- /dev/null
+++ b/quickstep/src/com/android/launcher3/accessibility/SystemActions.java
@@ -0,0 +1,90 @@
+/*
+ * Copyright (C) 2020 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.launcher3.accessibility;
+
+import static com.android.launcher3.LauncherState.ALL_APPS;
+import static com.android.launcher3.LauncherState.NORMAL;
+
+import android.app.PendingIntent;
+import android.app.RemoteAction;
+import android.content.BroadcastReceiver;
+import android.content.Context;
+import android.content.Intent;
+import android.content.IntentFilter;
+import android.graphics.drawable.Icon;
+import android.view.accessibility.AccessibilityManager;
+import com.android.launcher3.Launcher;
+import com.android.launcher3.LauncherState;
+import com.android.launcher3.LauncherStateManager;
+import com.android.launcher3.R;
+
+/**
+ * Manages the launcher system actions presented to accessibility services.
+ */
+public class SystemActions {
+
+ /**
+ * System Action ID to show all apps. This ID should follow the ones in
+ * com.android.systemui.accessibility.SystemActions.
+ */
+ private static final int SYSTEM_ACTION_ID_ALL_APPS = 100;
+
+ private Launcher mLauncher;
+ private AccessibilityManager mAccessibilityManager;
+ private RemoteAction mAllAppsAction;
+ private boolean mRegistered;
+
+ public SystemActions(Launcher launcher) {
+ mLauncher = launcher;
+ mAccessibilityManager = (AccessibilityManager) launcher.getSystemService(
+ Context.ACCESSIBILITY_SERVICE);
+ mAllAppsAction = new RemoteAction(
+ Icon.createWithResource(launcher, R.drawable.ic_apps),
+ launcher.getString(R.string.all_apps_label),
+ launcher.getString(R.string.all_apps_label),
+ launcher.createPendingResult(SYSTEM_ACTION_ID_ALL_APPS, new Intent(),
+ 0 /* flags */));
+ }
+
+ public void register() {
+ if (mRegistered) {
+ return;
+ }
+ mAccessibilityManager.registerSystemAction(mAllAppsAction, SYSTEM_ACTION_ID_ALL_APPS);
+ mRegistered = true;
+ }
+
+ public void unregister() {
+ if (!mRegistered) {
+ return;
+ }
+ mAccessibilityManager.unregisterSystemAction(SYSTEM_ACTION_ID_ALL_APPS);
+ mRegistered = false;
+ }
+
+ public void onActivityResult(int requestCode) {
+ if (requestCode == SYSTEM_ACTION_ID_ALL_APPS) {
+ showAllApps();
+ }
+ }
+
+ private void showAllApps() {
+ LauncherStateManager stateManager = mLauncher.getStateManager();
+ stateManager.goToState(NORMAL);
+ stateManager.goToState(ALL_APPS);
+ }
+}
diff --git a/src/com/android/launcher3/Launcher.java b/src/com/android/launcher3/Launcher.java
index d6e8710..8e87d16 100644
--- a/src/com/android/launcher3/Launcher.java
+++ b/src/com/android/launcher3/Launcher.java
@@ -834,6 +834,7 @@
ON_ACTIVITY_RESULT_ANIMATION_DELAY, false);
}
}
+
mDragLayer.clearAnimatedView();
}