Moving the simple methods related to binding to a delegate
Other more involved methods should require their own cl so that
we can do a more thurough analysis.
Changes are part of go/launcher_SoR .
Bug: 301108526
Test: This is a no-op change, compiling should be the test
Change-Id: I332a6b92cfd8dc6a9632c225da634bc4b57f01e2
diff --git a/src/com/android/launcher3/ModelCallbacks.kt b/src/com/android/launcher3/ModelCallbacks.kt
new file mode 100644
index 0000000..679f7d4
--- /dev/null
+++ b/src/com/android/launcher3/ModelCallbacks.kt
@@ -0,0 +1,96 @@
+package com.android.launcher3
+
+import androidx.annotation.UiThread
+import com.android.launcher3.model.BgDataModel
+import com.android.launcher3.model.data.AppInfo
+import com.android.launcher3.model.data.ItemInfo
+import com.android.launcher3.model.data.LauncherAppWidgetInfo
+import com.android.launcher3.model.data.WorkspaceItemInfo
+import com.android.launcher3.popup.PopupContainerWithArrow
+import com.android.launcher3.util.ComponentKey
+import com.android.launcher3.util.PackageUserKey
+import com.android.launcher3.util.Preconditions
+import com.android.launcher3.widget.model.WidgetsListBaseEntry
+import java.util.function.Predicate
+
+class ModelCallbacks(private var launcher: Launcher) : BgDataModel.Callbacks {
+ override fun preAddApps() {
+ // If there's an undo snackbar, force it to complete to ensure empty screens are removed
+ // before trying to add new items.
+ launcher.modelWriter.commitDelete()
+ val snackbar =
+ AbstractFloatingView.getOpenView<AbstractFloatingView>(
+ launcher,
+ AbstractFloatingView.TYPE_SNACKBAR
+ )
+ snackbar?.post { snackbar.close(true) }
+ }
+
+ @UiThread
+ override fun bindAllApplications(
+ apps: Array<AppInfo?>?,
+ flags: Int,
+ packageUserKeytoUidMap: Map<PackageUserKey?, Int?>?
+ ) {
+ Preconditions.assertUIThread()
+ val hadWorkApps = launcher.appsView.shouldShowTabs()
+ launcher.appsView.appsStore.setApps(apps, flags, packageUserKeytoUidMap)
+ PopupContainerWithArrow.dismissInvalidPopup(launcher)
+ if (hadWorkApps != launcher.appsView.shouldShowTabs()) {
+ launcher.stateManager.goToState(LauncherState.NORMAL)
+ }
+ }
+
+ /**
+ * Copies LauncherModel's map of activities to shortcut counts to Launcher's. This is necessary
+ * because LauncherModel's map is updated in the background, while Launcher runs on the UI.
+ */
+ override fun bindDeepShortcutMap(deepShortcutMapCopy: HashMap<ComponentKey?, Int?>?) {
+ launcher.popupDataProvider.setDeepShortcutMap(deepShortcutMapCopy)
+ }
+
+ override fun bindIncrementalDownloadProgressUpdated(app: AppInfo?) {
+ launcher.appsView.appsStore.updateProgressBar(app)
+ }
+
+ override fun bindWidgetsRestored(widgets: ArrayList<LauncherAppWidgetInfo?>?) {
+ launcher.workspace.widgetsRestored(widgets)
+ }
+
+ /**
+ * Some shortcuts were updated in the background. Implementation of the method from
+ * LauncherModel.Callbacks.
+ *
+ * @param updated list of shortcuts which have changed.
+ */
+ override fun bindWorkspaceItemsChanged(updated: List<WorkspaceItemInfo?>) {
+ if (updated.isNotEmpty()) {
+ launcher.workspace.updateWorkspaceItems(updated, launcher)
+ PopupContainerWithArrow.dismissInvalidPopup(launcher)
+ }
+ }
+
+ /**
+ * Update the state of a package, typically related to install state. Implementation of the
+ * method from LauncherModel.Callbacks.
+ */
+ override fun bindRestoreItemsChange(updates: HashSet<ItemInfo?>?) {
+ launcher.workspace.updateRestoreItems(updates, launcher)
+ }
+
+ /**
+ * A package was uninstalled/updated. We take both the super set of packageNames in addition to
+ * specific applications to remove, the reason being that this can be called when a package is
+ * updated as well. In that scenario, we only remove specific components from the workspace and
+ * hotseat, where as package-removal should clear all items by package name.
+ */
+ override fun bindWorkspaceComponentsRemoved(matcher: Predicate<ItemInfo?>?) {
+ launcher.workspace.removeItemsByMatcher(matcher)
+ launcher.dragController.onAppsRemoved(matcher)
+ PopupContainerWithArrow.dismissInvalidPopup(launcher)
+ }
+
+ override fun bindAllWidgets(allWidgets: List<WidgetsListBaseEntry?>?) {
+ launcher.popupDataProvider.allWidgets = allWidgets
+ }
+}