Implementing a package install progress listener for L

issue: 15835307

Change-Id: I71aaea087963f2e0e1206447190cbe23c174057d

src/com/android/launcher3/compat/PackageInstallerCompat.java

@@ -0,0 +1,67 @@
+/*
+ * 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 com.android.launcher3.compat;
+
+import android.content.Context;
+
+import com.android.launcher3.Utilities;
+
+public abstract class PackageInstallerCompat {
+
+    private static final Object sInstanceLock = new Object();
+    private static PackageInstallerCompat sInstance;
+
+    public static PackageInstallerCompat getInstance(Context context) {
+        synchronized (sInstanceLock) {
+            if (sInstance == null) {
+                if (Utilities.isLmp()) {
+                    sInstance = new PackageInstallerCompatVL(context);
+                } else {
+                    sInstance = new PackageInstallerCompatV16(context) { };
+                }
+            }
+            return sInstance;
+        }
+    }
+
+    public abstract void onPause();
+
+    public abstract void onResume();
+
+    public abstract void onFinishBind();
+
+    public abstract void onStop();
+
+    public abstract void recordPackageUpdate(String packageName, int state, int progress);
+
+    public static final class PackageInstallInfo {
+        public final String packageName;
+
+        public int state;
+        public int progress;
+
+        public PackageInstallInfo(String packageName) {
+            this.packageName = packageName;
+        }
+
+        public PackageInstallInfo(String packageName, int state, int progress) {
+            this.packageName = packageName;
+            this.state = state;
+            this.progress = progress;
+        }
+    }
+}