Add launcher callbacks

app/src/main/java/foundation/e/blisslauncher/core/utils/ItemInfoMatcher.java

+/*
+ * Copyright (C) 2016 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 foundation.e.blisslauncher.core.utils;
+
+import android.content.ComponentName;
+import android.os.UserHandle;
+
+import java.util.HashSet;
+
+import foundation.e.blisslauncher.core.database.model.ApplicationItem;
+import foundation.e.blisslauncher.core.database.model.FolderItem;
+import foundation.e.blisslauncher.core.database.model.LauncherItem;
+import foundation.e.blisslauncher.core.database.model.ShortcutItem;
+import foundation.e.blisslauncher.features.shortcuts.ShortcutKey;
+
+/**
+ * A utility class to check for {@link foundation.e.blisslauncher.core.database.model.LauncherItem}
+ */
+public interface ItemInfoMatcher {
+
+    boolean matches(LauncherItem info, ComponentName cn);
+
+    /**
+     * Filters {@param infos} to those satisfying the {@link #matches(LauncherItem, ComponentName)}.
+     */
+    default HashSet<LauncherItem> filterItemInfos(Iterable<LauncherItem> infos) {
+        HashSet<LauncherItem> filtered = new HashSet<>();
+        for (LauncherItem i : infos) {
+            if (i instanceof ApplicationItem) {
+                ApplicationItem info = (ApplicationItem) i;
+                ComponentName cn = info.getTargetComponent();
+                if (cn != null && matches(info, cn)) {
+                    filtered.add(info);
+                }
+            } else if (i instanceof ShortcutItem) {
+                ShortcutItem info = (ShortcutItem) i;
+                ComponentName cn = info.getTargetComponent();
+                if (cn != null && matches(info, cn)) {
+                    filtered.add(info);
+                }
+            } else if (i instanceof FolderItem) {
+                FolderItem info = (FolderItem) i;
+                for (LauncherItem s : info.items) {
+                    ComponentName cn = s.getTargetComponent();
+                    if (cn != null && matches(s, cn)) {
+                        filtered.add(s);
+                    }
+                }
+            }
+        }
+        return filtered;
+    }
+
+    /**
+     * Returns a new matcher with returns true if either this or {@param matcher} returns true.
+     */
+    default ItemInfoMatcher or(ItemInfoMatcher matcher) {
+        return (info, cn) -> matches(info, cn) || matcher.matches(info, cn);
+    }
+
+    /**
+     * Returns a new matcher with returns true if both this and {@param matcher} returns true.
+     */
+    default ItemInfoMatcher and(ItemInfoMatcher matcher) {
+        return (info, cn) -> matches(info, cn) && matcher.matches(info, cn);
+    }
+
+    /**
+     * Returns a new matcher which returns the opposite boolean value of the provided
+     * {@param matcher}.
+     */
+    static ItemInfoMatcher not(ItemInfoMatcher matcher) {
+        return (info, cn) -> !matcher.matches(info, cn);
+    }
+
+    static ItemInfoMatcher ofUser(UserHandle user) {
+        return (info, cn) -> info.user.equals(user);
+    }
+
+    static ItemInfoMatcher ofComponents(HashSet<ComponentName> components, UserHandle user) {
+        return (info, cn) -> components.contains(cn) && info.user.equals(user);
+    }
+
+    static ItemInfoMatcher ofPackages(HashSet<String> packageNames, UserHandle user) {
+        return (info, cn) -> packageNames.contains(cn.getPackageName()) && info.user.equals(user);
+    }
+
+    static ItemInfoMatcher ofShortcutKeys(HashSet<ShortcutKey> keys) {
+        return  (info, cn) -> info.itemType == Constants.ITEM_TYPE_SHORTCUT &&
+                        keys.contains(ShortcutKey.fromItem((ShortcutItem) info));
+    }
+
+    static ItemInfoMatcher ofItemIds(IntSparseArrayMap<Boolean> ids, Boolean matchDefault) {
+        return (info, cn) -> ids.get(Integer.parseInt(info.id), matchDefault);
+    }
+}

app/src/main/java/foundation/e/blisslauncher/features/test/LauncherAppState.java

@@ -22,14 +22,23 @@ import android.content.ComponentName;
 import android.content.Context;
 import android.content.Intent;
 import android.content.IntentFilter;
+import android.content.pm.LauncherApps;
+import android.content.pm.ShortcutInfo;
 import android.os.Looper;
+import android.os.UserHandle;
+import android.util.ArrayMap;
 import android.util.Log;
+
+import androidx.annotation.NonNull;
+
 import foundation.e.blisslauncher.core.ConfigMonitor;
 import foundation.e.blisslauncher.core.UserManagerCompat;
 import foundation.e.blisslauncher.core.executors.MainThreadExecutor;
 import foundation.e.blisslauncher.core.utils.Preconditions;
 import foundation.e.blisslauncher.core.utils.SecureSettingsObserver;
 import foundation.e.blisslauncher.features.notification.NotificationListener;
+
+import java.util.List;
 import java.util.concurrent.Callable;
 import java.util.concurrent.ExecutionException;
 
@@ -45,6 +54,8 @@ public class LauncherAppState {
     // We do not need any synchronization for this variable as its only written on UI thread.
     private static LauncherAppState INSTANCE;
 
+    private LauncherApps launcherApps;
+
     private final Context mContext;
     private final InvariantDeviceProfile mInvariantDeviceProfile;
 
@@ -52,6 +63,9 @@ public class LauncherAppState {
     private TestActivity launcher;
     private LauncherModel mModel;
 
+    private final ArrayMap<OnAppsChangedCallback, WrappedCallback> mCallbacks =
+        new ArrayMap<>();
+
     public static LauncherAppState getInstance(final Context context) {
         if (INSTANCE == null) {
             if (Looper.myLooper() == Looper.getMainLooper()) {
@@ -82,6 +96,7 @@ public class LauncherAppState {
 
     private LauncherAppState(Context context) {
 
+        launcherApps = (LauncherApps) context.getSystemService(Context.LAUNCHER_APPS_SERVICE);
         Log.v(TestActivity.TAG, "LauncherAppState initiated");
         Preconditions.assertUIThread();
         mContext = context;
@@ -89,6 +104,12 @@ public class LauncherAppState {
         mInvariantDeviceProfile = new InvariantDeviceProfile(mContext);
 
         mModel = new LauncherModel(this);
+        WrappedCallback wrappedCallback = new WrappedCallback(mModel);
+        synchronized (mCallbacks) {
+            mCallbacks.put(mModel, wrappedCallback);
+        }
+        launcherApps.registerCallback(wrappedCallback);
+        mModel.registerCallbacks(launcherApps);
         // Register intent receivers
         IntentFilter filter = new IntentFilter();
         filter.addAction(Intent.ACTION_LOCALE_CHANGED);
@@ -129,6 +150,13 @@ public class LauncherAppState {
         if (mNotificationDotsObserver != null) {
             mNotificationDotsObserver.unregister();
         }
+        final WrappedCallback wrappedCallback;
+        synchronized (mCallbacks) {
+            wrappedCallback = mCallbacks.remove(mModel);
+        }
+        if (wrappedCallback != null) {
+            launcherApps.unregisterCallback(wrappedCallback);
+        }
     }
 
     LauncherModel setLauncher(TestActivity launcher) {
@@ -153,4 +181,54 @@ public class LauncherAppState {
     }
 
 
+    private static class WrappedCallback extends LauncherApps.Callback {
+        private final OnAppsChangedCallback mCallback;
+
+        public WrappedCallback(OnAppsChangedCallback callback) {
+            mCallback = callback;
+        }
+
+        @Override
+        public void onPackageRemoved(String packageName, UserHandle user) {
+            mCallback.onPackageRemoved(packageName, user);
+        }
+
+        @Override
+        public void onPackageAdded(String packageName, UserHandle user) {
+            mCallback.onPackageAdded(packageName, user);
+        }
+
+        @Override
+        public void onPackageChanged(String packageName, UserHandle user) {
+            mCallback.onPackageChanged(packageName, user);
+        }
+
+        @Override
+        public void onPackagesAvailable(String[] packageNames, UserHandle user, boolean replacing) {
+            mCallback.onPackagesAvailable(packageNames, user, replacing);
+        }
+
+        @Override
+        public void onPackagesUnavailable(String[] packageNames, UserHandle user,
+            boolean replacing) {
+            mCallback.onPackagesUnavailable(packageNames, user, replacing);
+        }
+
+        @Override
+        public void onPackagesSuspended(String[] packageNames, UserHandle user) {
+            mCallback.onPackagesSuspended(packageNames, user);
+        }
+
+        @Override
+        public void onPackagesUnsuspended(String[] packageNames, UserHandle user) {
+            mCallback.onPackagesUnsuspended(packageNames, user);
+        }
+
+        @Override
+        public void onShortcutsChanged(@NonNull String packageName,
+            @NonNull List<ShortcutInfo> shortcuts,
+            @NonNull UserHandle user) {
+            mCallback.onShortcutsChanged(packageName, shortcuts, user);
+        }
+    }
 }

app/src/main/java/foundation/e/blisslauncher/features/test/LauncherModel.java

+/*
+ * Copyright (C) 2008 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 foundation.e.blisslauncher.features.test;
 
 import android.content.BroadcastReceiver;
 import android.content.Context;
 import android.content.Intent;
+import android.content.pm.LauncherApps;
+import android.content.pm.ShortcutInfo;
 import android.os.Handler;
 import android.os.HandlerThread;
 import android.os.Looper;
 import android.os.Process;
+import android.os.UserHandle;
 import android.telecom.Call;
 import android.util.Log;
 import android.util.Pair;
 
+import androidx.annotation.NonNull;
+
 import java.lang.ref.WeakReference;
 import java.util.ArrayList;
+import java.util.Collections;
 import java.util.HashMap;
 import java.util.HashSet;
 import java.util.List;
@@ -23,7 +45,8 @@ import foundation.e.blisslauncher.core.utils.Constants;
 import foundation.e.blisslauncher.core.utils.Preconditions;
 import foundation.e.blisslauncher.features.shortcuts.DeepShortcutManager;
 
-public class LauncherModel extends BroadcastReceiver {
+public class LauncherModel extends BroadcastReceiver implements
+    OnAppsChangedCallback {
 
     private static final boolean DEBUG_RECEIVER = false;
 
@@ -43,6 +66,54 @@ public class LauncherModel extends BroadcastReceiver {
     }
     static final Handler sWorker = new Handler(mWorkerLooper);
 
+    @Override
+    public void onPackageRemoved(String packageName, UserHandle user) {
+        // TODO: Handle package removed here.
+        onPackagesRemoved(user, packageName);
+    }
+
+    public void onPackagesRemoved(UserHandle user, String... packages) {
+        final HashSet<String> removedPackages = new HashSet<>();
+        Collections.addAll(removedPackages, packages);
+    }
+
+    @Override
+    public void onPackageAdded(String packageName, UserHandle user) {
+
+    }
+
+    @Override
+    public void onPackageChanged(String packageName, UserHandle user) {
+
+    }
+
+    @Override
+    public void onPackagesAvailable(String[] packageNames, UserHandle user, boolean replacing) {
+
+    }
+
+    @Override
+    public void onPackagesUnavailable(String[] packageNames, UserHandle user, boolean replacing) {
+
+    }
+
+    @Override
+    public void onPackagesSuspended(String[] packageNames, UserHandle user) {
+
+    }
+
+    @Override
+    public void onPackagesUnsuspended(String[] packageNames, UserHandle user) {
+
+    }
+
+    @Override
+    public void onShortcutsChanged(
+        String packageName, List<ShortcutInfo> shortcuts, UserHandle user
+    ) {
+
+    }
+
     // Runnable to check if the shortcuts permission has changed.
     /*private final Runnable mShortcutPermissionCheckRunnable = new Runnable() {
         @Override

app/src/main/java/foundation/e/blisslauncher/features/test/OnAppsChangedCallback.java

+/*
+ * Copyright (C) 2014 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 foundation.e.blisslauncher.features.test;
+
+import android.content.pm.ShortcutInfo;
+import android.os.UserHandle;
+
+import java.util.List;
+
+public interface OnAppsChangedCallback {
+    void onPackageRemoved(String packageName, UserHandle user);
+    void onPackageAdded(String packageName, UserHandle user);
+    void onPackageChanged(String packageName, UserHandle user);
+    void onPackagesAvailable(String[] packageNames, UserHandle user, boolean replacing);
+    void onPackagesUnavailable(String[] packageNames, UserHandle user, boolean replacing);
+    void onPackagesSuspended(String[] packageNames, UserHandle user);
+    void onPackagesUnsuspended(String[] packageNames, UserHandle user);
+    void onShortcutsChanged(String packageName, List<ShortcutInfo> shortcuts,
+        UserHandle user);
+}