Get information about the target application.

Bug: 6537051
Change-Id: I9fe7a07b5ddf2a423d5764840753ea70544206f1

1 files changed, 57 insertions, 0 deletions

diff --git a/java/src/com/android/inputmethod/latin/TargetApplicationGetter.java b/java/src/com/android/inputmethod/latin/TargetApplicationGetter.java
new file mode 100644
index 000000000..109f23f4c
--- /dev/null
+++ b/java/src/com/android/inputmethod/latin/TargetApplicationGetter.java
@@ -0,0 +1,57 @@
+/*
+ * Copyright (C) 2012 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.inputmethod.latin;
+
+import android.content.Context;
+import android.content.pm.ApplicationInfo;
+import android.content.pm.PackageManager;
+import android.os.AsyncTask;
+
+public class TargetApplicationGetter extends AsyncTask<String, Void, ApplicationInfo> {
+
+    public interface OnTargetApplicationKnownListener {
+        public void onTargetApplicationKnown(final ApplicationInfo info);
+    }
+
+    private Context mContext;
+    private final OnTargetApplicationKnownListener mListener;
+
+    public TargetApplicationGetter(final Context context,
+            final OnTargetApplicationKnownListener listener) {
+        mContext = context;
+        mListener = listener;
+    }
+
+    @Override
+    protected ApplicationInfo doInBackground(final String... packageName) {
+        // TODO: cache app info. Wipe the cache when new packages are installed.
+        final PackageManager pm = mContext.getPackageManager();
+        mContext = null; // Bazooka-powered anti-leak device
+        try {
+            final ApplicationInfo targetAppInfo =
+                    pm.getApplicationInfo(packageName[0], 0 /* flags */);
+            return targetAppInfo;
+        } catch (android.content.pm.PackageManager.NameNotFoundException e) {
+            return null;
+        }
+    }
+
+    @Override
+    protected void onPostExecute(final ApplicationInfo info) {
+        mListener.onTargetApplicationKnown(info);
+    }
+}