Adding broadcast receiver to handle SESSION_COMMIT broadcast

> Disabling Install shortcut broadcast for O and above
> Adding a preference to control automatic icon addition on homescreen
> Adding icons on homescreen for new installs based on the above preference

Bug: 32920609
Bug: 27967412
Change-Id: I92e5cb7c841fb445dc8bc058d975f212ee54f8d1
diff --git a/src/com/android/launcher3/SessionCommitReceiver.java b/src/com/android/launcher3/SessionCommitReceiver.java
new file mode 100644
index 0000000..e8bf0a5
--- /dev/null
+++ b/src/com/android/launcher3/SessionCommitReceiver.java
@@ -0,0 +1,72 @@
+/*
+ * 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 com.android.launcher3;
+
+import android.content.BroadcastReceiver;
+import android.content.Context;
+import android.content.Intent;
+import android.content.pm.LauncherActivityInfo;
+import android.content.pm.PackageInstaller;
+import android.content.pm.PackageInstaller.SessionInfo;
+import android.os.Process;
+import android.os.UserHandle;
+import android.text.TextUtils;
+
+import com.android.launcher3.compat.LauncherAppsCompat;
+
+import java.util.List;
+
+/**
+ * BroadcastReceiver to handle session commit intent.
+ */
+public class SessionCommitReceiver extends BroadcastReceiver {
+
+    // Preference key for automatically adding icon to homescreen.
+    public static final String ADD_ICON_PREFERENCE_KEY = "pref_add_icon_to_home";
+
+    @Override
+    public void onReceive(Context context, Intent intent) {
+        if (!isEnabled(context)) {
+            // User has decided to not add icons on homescreen.
+            return;
+        }
+
+        SessionInfo info = intent.getParcelableExtra(PackageInstaller.EXTRA_SESSION);
+        UserHandle user = intent.getParcelableExtra(Intent.EXTRA_USER);
+        // TODO: Verify install reason
+        if (TextUtils.isEmpty(info.getAppPackageName())) {
+            return;
+        }
+
+        if (!Process.myUserHandle().equals(user)) {
+            // Managed profile is handled using ManagedProfileHeuristic
+            return;
+        }
+
+        List<LauncherActivityInfo> activities = LauncherAppsCompat.getInstance(context)
+                .getActivityList(info.getAppPackageName(), user);
+        if (activities == null || activities.isEmpty()) {
+            // no activity found
+            return;
+        }
+        InstallShortcutReceiver.queueActivityInfo(activities.get(0), context);
+    }
+
+    public static boolean isEnabled(Context context) {
+        return Utilities.getPrefs(context).getBoolean(ADD_ICON_PREFERENCE_KEY, true);
+    }
+}