Show Launcher's widget picker in an activity.
Bug: 307306823
Test: atest Launcher3Tests
Flag: NA
Change-Id: I28ef731abcdf1bd44c66366d42a135912dbcc5be
diff --git a/quickstep/AndroidManifest.xml b/quickstep/AndroidManifest.xml
index 82f8ebe..db46508 100644
--- a/quickstep/AndroidManifest.xml
+++ b/quickstep/AndroidManifest.xml
@@ -43,6 +43,10 @@
<uses-permission android:name="android.permission.SYSTEM_APPLICATION_OVERLAY" />
+ <!-- Permission required to start a WidgetPickerActivity. -->
+ <permission android:name="${packageName}.permission.START_WIDGET_PICKER_ACTIVITY"
+ android:protectionLevel="signature|privileged" />
+
<application android:backupAgent="com.android.launcher3.LauncherBackupAgent"
android:fullBackupOnly="true"
android:fullBackupContent="@xml/backupscheme"
@@ -133,6 +137,20 @@
</intent-filter>
</activity>
+ <activity android:name="com.android.launcher3.WidgetPickerActivity"
+ android:theme="@style/WidgetPickerActivityTheme"
+ android:excludeFromRecents="true"
+ android:autoRemoveFromRecents="true"
+ android:showOnLockScreen="true"
+ android:launchMode="singleTop"
+ android:exported="true"
+ android:permission="android.permission.START_WIDGET_PICKER_ACTIVITY">
+ <intent-filter>
+ <action android:name="android.intent.action.PICK" />
+ <category android:name="android.intent.category.DEFAULT" />
+ </intent-filter>
+ </activity>
+
</application>
</manifest>
diff --git a/quickstep/res/layout/widget_picker_activity.xml b/quickstep/res/layout/widget_picker_activity.xml
new file mode 100644
index 0000000..3388e40
--- /dev/null
+++ b/quickstep/res/layout/widget_picker_activity.xml
@@ -0,0 +1,24 @@
+<!--
+ ~ Copyright (C) 2023 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.
+ -->
+
+<com.android.launcher3.dragndrop.SimpleDragLayer
+ xmlns:android="http://schemas.android.com/apk/res/android"
+ android:id="@+id/drag_layer"
+ android:layout_width="match_parent"
+ android:layout_height="match_parent"
+ android:clipChildren="false"
+ android:clipToPadding="false"
+ android:importantForAccessibility="no" />
diff --git a/quickstep/res/values/styles.xml b/quickstep/res/values/styles.xml
index ae62c26..bdc86b2 100644
--- a/quickstep/res/values/styles.xml
+++ b/quickstep/res/values/styles.xml
@@ -311,4 +311,9 @@
<item name="android:letterSpacing">0.025</item>
<item name="android:lineHeight">20sp</item>
</style>
+
+ <style name="WidgetPickerActivityTheme" parent="@android:style/Theme.Translucent.NoTitleBar">
+ <item name="widgetsTheme">@style/WidgetContainerTheme</item>
+ <item name="android:windowBackground">@android:color/transparent</item>
+ </style>
</resources>
diff --git a/quickstep/src/com/android/launcher3/WidgetPickerActivity.java b/quickstep/src/com/android/launcher3/WidgetPickerActivity.java
new file mode 100644
index 0000000..43716ab
--- /dev/null
+++ b/quickstep/src/com/android/launcher3/WidgetPickerActivity.java
@@ -0,0 +1,93 @@
+/*
+ * Copyright (C) 2023 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;
+
+import static android.view.WindowInsets.Type.navigationBars;
+import static android.view.WindowInsets.Type.statusBars;
+
+import static com.android.launcher3.util.Executors.MAIN_EXECUTOR;
+import static com.android.launcher3.util.Executors.MODEL_EXECUTOR;
+
+import android.os.Bundle;
+import android.view.WindowInsetsController;
+import android.view.WindowManager;
+
+import androidx.annotation.NonNull;
+
+import com.android.launcher3.dragndrop.SimpleDragLayer;
+import com.android.launcher3.model.WidgetsModel;
+import com.android.launcher3.popup.PopupDataProvider;
+import com.android.launcher3.widget.BaseWidgetSheet;
+import com.android.launcher3.widget.model.WidgetsListBaseEntry;
+import com.android.launcher3.widget.picker.WidgetsFullSheet;
+
+import java.util.ArrayList;
+
+/** An Activity that can host Launcher's widget picker. */
+public class WidgetPickerActivity extends BaseActivity {
+ private SimpleDragLayer<WidgetPickerActivity> mDragLayer;
+ private WidgetsModel mModel;
+ private final PopupDataProvider mPopupDataProvider = new PopupDataProvider(i -> {});
+
+ @Override
+ protected void onCreate(Bundle savedInstanceState) {
+ super.onCreate(savedInstanceState);
+
+ getWindow().addFlags(WindowManager.LayoutParams.FLAG_SHOW_WHEN_LOCKED);
+ getWindow().clearFlags(WindowManager.LayoutParams.FLAG_SHOW_WALLPAPER);
+
+ LauncherAppState app = LauncherAppState.getInstance(this);
+ InvariantDeviceProfile idp = app.getInvariantDeviceProfile();
+
+ mDeviceProfile = idp.getDeviceProfile(this);
+ mModel = new WidgetsModel();
+
+ setContentView(R.layout.widget_picker_activity);
+ mDragLayer = findViewById(R.id.drag_layer);
+ mDragLayer.recreateControllers();
+
+ WindowInsetsController wc = mDragLayer.getWindowInsetsController();
+ wc.hide(navigationBars() + statusBars());
+
+ BaseWidgetSheet widgetSheet = WidgetsFullSheet.show(this, true);
+ widgetSheet.disableNavBarScrim(true);
+ widgetSheet.addOnCloseListener(this::finish);
+
+ refreshAndBindWidgets();
+ }
+
+ @NonNull
+ @Override
+ public PopupDataProvider getPopupDataProvider() {
+ return mPopupDataProvider;
+ }
+
+ @Override
+ public SimpleDragLayer<WidgetPickerActivity> getDragLayer() {
+ return mDragLayer;
+ }
+
+ private void refreshAndBindWidgets() {
+ MODEL_EXECUTOR.execute(() -> {
+ LauncherAppState app = LauncherAppState.getInstance(this);
+ mModel.update(app, null);
+ final ArrayList<WidgetsListBaseEntry> widgets =
+ mModel.getWidgetsListForPicker(app.getContext());
+ MAIN_EXECUTOR.execute(() -> mPopupDataProvider.setAllWidgets(widgets));
+ });
+ }
+}