1 files changed, 83 insertions, 0 deletions
diff --git a/src/com/android/launcher3/compat/DeferredLauncherActivityInfo.java b/src/com/android/launcher3/compat/DeferredLauncherActivityInfo.java
new file mode 100644
index 000000000..46d36d1b0
--- /dev/null
+++ b/src/com/android/launcher3/compat/DeferredLauncherActivityInfo.java
@@ -0,0 +1,83 @@
+/*
+ * 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 com.android.launcher3.compat;
+
+import android.content.ComponentName;
+import android.content.Context;
+import android.content.Intent;
+import android.content.pm.ApplicationInfo;
+import android.graphics.drawable.Drawable;
+import android.util.Log;
+
+/**
+ * {@link LauncherActivityInfoCompat} which loads its data only when needed.
+ */
+public class DeferredLauncherActivityInfo extends LauncherActivityInfoCompat {
+
+    private final ComponentName mComponent;
+    private final UserHandleCompat mUser;
+    private final Context mContext;
+
+    private LauncherActivityInfoCompat mActualInfo;
+
+    public DeferredLauncherActivityInfo(
+            ComponentName component, UserHandleCompat user, Context context) {
+        mComponent = component;
+        mUser = user;
+        mContext = context;
+    }
+
+    @Override
+    public ComponentName getComponentName() {
+        return mComponent;
+    }
+
+    @Override
+    public UserHandleCompat getUser() {
+        return mUser;
+    }
+
+    private synchronized LauncherActivityInfoCompat getActualInfo() {
+        if (mActualInfo == null) {
+            Intent intent = new Intent(Intent.ACTION_MAIN)
+                    .addCategory(Intent.CATEGORY_LAUNCHER)
+                    .setComponent(mComponent);
+            mActualInfo = LauncherAppsCompat.getInstance(mContext).resolveActivity(intent, mUser);
+        }
+        return mActualInfo;
+    }
+
+    @Override
+    public CharSequence getLabel() {
+        return getActualInfo().getLabel();
+    }
+
+    @Override
+    public Drawable getIcon(int density) {
+        return getActualInfo().getIcon(density);
+    }
+
+    @Override
+    public ApplicationInfo getApplicationInfo() {
+        return getActualInfo().getApplicationInfo();
+    }
+
+    @Override
+    public long getFirstInstallTime() {
+        return getActualInfo().getFirstInstallTime();
+    }
+}