Show apps as unavailable when on unmounted storage

This patch allows shortcuts to apps that are currently unavailable
due to being on unmounted external storage to remain on the workspace
and in folders.  The icons will be disabled and grayed out until
the external storage is mounted.

Issue-id: CYNGNOS-1344

Change-Id: I971483806b27e3a75ef0d5bb89d8dfb86f97511e

1 files changed, 45 insertions, 0 deletions

diff --git a/src/com/android/launcher3/Launcher.java b/src/com/android/launcher3/Launcher.java
index b135fefd9..739693361 100644
--- a/src/com/android/launcher3/Launcher.java
+++ b/src/com/android/launcher3/Launcher.java
@@ -3068,6 +3068,10 @@ public class Launcher extends Activity
         final Intent intent;
         if (tag instanceof ShortcutInfo) {
             shortcut = (ShortcutInfo) tag;
+            if (shortcut.isDisabled == 1) {
+                Toast.makeText(this, R.string.app_not_available, Toast.LENGTH_SHORT).show();
+                return;
+            }
             intent = shortcut.intent;
             int[] pos = new int[2];
             v.getLocationOnScreen(pos);
@@ -4784,12 +4788,53 @@ public class Launcher extends Activity
         }
     }
 
+    /**
+     * A package has become unavailable.
+     *
+     * Implementation of the method from LauncherModel.Callbacks.
+     */
+    public void bindComponentsUnavailable(final ArrayList<String> packageNames,
+            final ArrayList<AppInfo> appInfos) {
+        if (!packageNames.isEmpty()) {
+            mWorkspace.updateUnavailableItemsByPackageName(packageNames);
+        }
+        HashSet<ComponentName> cns = new HashSet<>();
+        for (AppInfo appInfo : appInfos) {
+           cns.add(appInfo.componentName);
+        }
+        // Notify the drag controller
+        mDragController.onAppsRemoved(packageNames, cns);
+        mAppsView.removeApps(appInfos);
+    }
+
+    /**
+     * A package has become unavailable.
+     *
+     * Implementation of the method from LauncherModel.Callbacks.
+     */
+    public void bindComponentsAvailable(final ArrayList<ItemInfo> itemInfos) {
+        if (!itemInfos.isEmpty()) {
+            mWorkspace.updateAvailableItems(itemInfos);
+        }
+    }
+
+    /**
+     * A number of packages were updated.
+     */
+    private ArrayList<Object> mWidgetsAndShortcuts;
     private Runnable mBindPackagesUpdatedRunnable = new Runnable() {
             public void run() {
                 bindAllPackages(mWidgetsModel);
             }
         };
 
+    public void bindPackagesUpdated(final ArrayList<Object> widgetsAndShortcuts) {
+        if (waitUntilResume(mBindPackagesUpdatedRunnable, true)) {
+            mWidgetsAndShortcuts = widgetsAndShortcuts;
+            return;
+        }
+    }
+
     @Override
     public void bindAllPackages(final WidgetsModel model) {
         if (waitUntilResume(mBindPackagesUpdatedRunnable, true)) {