Add long click listener to the widget picker activity
The listener allows us to drag and drop widgets outside the launcher.
Bug: 315209740
Test: atest Launcher3Tests
Flag: NA
Change-Id: Iafc6e8903ea4f32540df30152b35d9eb7e98c6d6
diff --git a/quickstep/src/com/android/launcher3/WidgetPickerActivity.java b/quickstep/src/com/android/launcher3/WidgetPickerActivity.java
index 477cd84..575ad9e 100644
--- a/quickstep/src/com/android/launcher3/WidgetPickerActivity.java
+++ b/quickstep/src/com/android/launcher3/WidgetPickerActivity.java
@@ -16,6 +16,7 @@
package com.android.launcher3;
+import static android.content.ClipDescription.MIMETYPE_TEXT_INTENT;
import static android.view.WindowInsets.Type.navigationBars;
import static android.view.WindowInsets.Type.statusBars;
@@ -23,6 +24,8 @@
import static com.android.launcher3.util.Executors.MODEL_EXECUTOR;
import android.appwidget.AppWidgetProviderInfo;
+import android.content.ClipData;
+import android.content.ClipDescription;
import android.content.Intent;
import android.os.Bundle;
import android.view.View;
@@ -43,6 +46,14 @@
/** An Activity that can host Launcher's widget picker. */
public class WidgetPickerActivity extends BaseActivity {
+ /**
+ * Name of the extra that indicates that a widget being dragged.
+ *
+ * <p>When set to "true" in the result of startActivityForResult, the client that launched the
+ * picker knows that activity was closed due to pending drag.
+ */
+ private static final String EXTRA_IS_PENDING_WIDGET_DRAG = "is_pending_widget_drag";
+
private SimpleDragLayer<WidgetPickerActivity> mDragLayer;
private WidgetsModel mModel;
private final PopupDataProvider mPopupDataProvider = new PopupDataProvider(i -> {});
@@ -102,6 +113,46 @@
};
}
+ @Override
+ public View.OnLongClickListener getAllAppsItemLongClickListener() {
+ return view -> {
+ if (!(view instanceof WidgetCell widgetCell)) return false;
+
+ if (widgetCell.getWidgetView().getDrawable() == null
+ && widgetCell.getAppWidgetHostViewPreview() == null) {
+ // The widget preview hasn't been loaded; so, we abort the drag.
+ return false;
+ }
+
+ final AppWidgetProviderInfo info = widgetCell.getWidgetItem().widgetInfo;
+ if (info == null || info.provider == null) {
+ return false;
+ }
+
+ ClipData clipData = new ClipData(
+ new ClipDescription(
+ /* label= */ "", // not displayed anywhere; so, set to empty.
+ new String[]{MIMETYPE_TEXT_INTENT}
+ ),
+ new ClipData.Item(new Intent()
+ .putExtra(Intent.EXTRA_USER, info.getProfile())
+ .putExtra(Intent.EXTRA_COMPONENT_NAME, info.provider))
+ );
+
+ // Set result indicating activity was closed due a widget being dragged.
+ setResult(RESULT_OK, new Intent()
+ .putExtra(EXTRA_IS_PENDING_WIDGET_DRAG, true));
+
+ // DRAG_FLAG_GLOBAL permits dragging data beyond app window.
+ return view.startDragAndDrop(
+ clipData,
+ new View.DragShadowBuilder(view),
+ /* myLocalState= */ null,
+ View.DRAG_FLAG_GLOBAL
+ );
+ };
+ }
+
private void refreshAndBindWidgets() {
MODEL_EXECUTOR.execute(() -> {
LauncherAppState app = LauncherAppState.getInstance(this);