From b224b60c94d85f30de93f66685adf06e662618c0 Mon Sep 17 00:00:00 2001
From: Jean Chalard <jchalard@google.com>
Date: Fri, 25 May 2012 18:07:52 +0900
Subject: [PATCH] Get information about the target application.

Bug: 6537051
Change-Id: I9fe7a07b5ddf2a423d5764840753ea70544206f1
---
 .../android/inputmethod/latin/LatinIME.java   | 12 +++-
 .../latin/TargetApplicationGetter.java        | 57 +++++++++++++++++++
 2 files changed, 68 insertions(+), 1 deletion(-)
 create mode 100644 java/src/com/android/inputmethod/latin/TargetApplicationGetter.java

diff --git a/java/src/com/android/inputmethod/latin/LatinIME.java b/java/src/com/android/inputmethod/latin/LatinIME.java
index d7d27b5e3..44aab3395 100644
--- a/java/src/com/android/inputmethod/latin/LatinIME.java
+++ b/java/src/com/android/inputmethod/latin/LatinIME.java
@@ -27,6 +27,7 @@ import android.content.DialogInterface;
 import android.content.Intent;
 import android.content.IntentFilter;
 import android.content.SharedPreferences;
+import android.content.pm.ApplicationInfo;
 import android.content.res.Configuration;
 import android.content.res.Resources;
 import android.graphics.Rect;
@@ -80,7 +81,7 @@ import java.util.Locale;
  * Input method implementation for Qwerty'ish keyboard.
  */
 public class LatinIME extends InputMethodService implements KeyboardActionListener,
-        SuggestionsView.Listener {
+        SuggestionsView.Listener, TargetApplicationGetter.OnTargetApplicationKnownListener {
     private static final String TAG = LatinIME.class.getSimpleName();
     private static final boolean TRACE = false;
     private static boolean DEBUG;
@@ -152,6 +153,7 @@ public class LatinIME extends InputMethodService implements KeyboardActionListen
     private SuggestionsView mSuggestionsView;
     /* package for tests */ Suggest mSuggest;
     private CompletionInfo[] mApplicationSpecifiedCompletions;
+    private ApplicationInfo mTargetApplicationInfo;
 
     private InputMethodManagerCompatWrapper mImm;
     private Resources mResources;
@@ -665,6 +667,10 @@ public class LatinIME extends InputMethodService implements KeyboardActionListen
             Log.w(TAG, "Use EditorInfo.IME_FLAG_FORCE_ASCII flag instead");
         }
 
+        mTargetApplicationInfo = null;
+        new TargetApplicationGetter(this /* context */, this /* listener */)
+                .execute(editorInfo.packageName);
+
         LatinImeLogger.onStartInputView(editorInfo);
         // In landscape mode, this method gets called without the input view being created.
         if (inputView == null) {
@@ -718,6 +724,10 @@ public class LatinIME extends InputMethodService implements KeyboardActionListen
         if (TRACE) Debug.startMethodTracing("/data/trace/latinime");
     }
 
+    public void onTargetApplicationKnown(final ApplicationInfo info) {
+        mTargetApplicationInfo = info;
+    }
+
     @Override
     public void onWindowHidden() {
         super.onWindowHidden();
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);
+    }
+}