[LatinIME] Support MNC permissions.

This build has been compiled against API 23

This build is approved to go out with the M OTA, but may NOT be released
to the public until the Play Store has enabled API level 23 apps

Version: 4.1.2300x.build_id

1. Replaces the personalization is on information with the suggest
   contacts.
2. Enables "Use Contacts" only if the app has permission to read
   contacts.
3. Disables the contacts dictionary in the Facilitator.
4. Do not register/read the contacts in the contact observer.

Bug: 22236416
Change-Id: I9674e13d0d0f4a2014c5024fde0178de684c07e7

1 files changed, 91 insertions, 0 deletions

diff --git a/java/src/com/android/inputmethod/latin/permissions/PermissionsManager.java b/java/src/com/android/inputmethod/latin/permissions/PermissionsManager.java
new file mode 100644
index 000000000..08c623ab5
--- /dev/null
+++ b/java/src/com/android/inputmethod/latin/permissions/PermissionsManager.java
@@ -0,0 +1,91 @@
+/*
+ * Copyright (C) 2015 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.permissions;
+
+import android.app.Activity;
+import android.content.Context;
+
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+
+import javax.annotation.Nonnull;
+import javax.annotation.Nullable;
+
+/**
+ * Manager to perform permission related tasks. Always call on the UI thread.
+ */
+public class PermissionsManager {
+
+    public interface PermissionsResultCallback {
+        void onRequestPermissionsResult(boolean allGranted);
+    }
+
+    private int mRequestCodeId;
+
+    private final Context mContext;
+    private final Map<Integer, PermissionsResultCallback> mRequestIdToCallback = new HashMap<>();
+
+    private static PermissionsManager sInstance;
+
+    public PermissionsManager(Context context) {
+        mContext = context;
+    }
+
+    @Nonnull
+    public static synchronized PermissionsManager get(@Nonnull Context context) {
+        if (sInstance == null) {
+            sInstance = new PermissionsManager(context);
+        }
+        return sInstance;
+    }
+
+    private synchronized int getNextRequestId() {
+        return ++mRequestCodeId;
+    }
+
+
+    public synchronized void requestPermissions(@Nonnull PermissionsResultCallback callback,
+                                   @Nullable Activity activity,
+                                   String... permissionsToRequest) {
+        List<String> deniedPermissions = PermissionsUtil.getDeniedPermissions(
+                mContext, permissionsToRequest);
+        if (deniedPermissions.isEmpty()) {
+            return;
+        }
+        // otherwise request the permissions.
+        int requestId = getNextRequestId();
+        String[] permissionsArray = deniedPermissions.toArray(
+                new String[deniedPermissions.size()]);
+
+        mRequestIdToCallback.put(requestId, callback);
+        if (activity != null) {
+            PermissionsUtil.requestPermissions(activity, requestId, permissionsArray);
+        } else {
+            PermissionsActivity.run(mContext, requestId, permissionsArray);
+        }
+    }
+
+    public synchronized void onRequestPermissionsResult(
+            int requestCode, String[] permissions, int[] grantResults) {
+        PermissionsResultCallback permissionsResultCallback = mRequestIdToCallback.get(requestCode);
+        mRequestIdToCallback.remove(requestCode);
+
+        boolean allGranted = PermissionsUtil.allGranted(grantResults);
+        permissionsResultCallback.onRequestPermissionsResult(allGranted);
+    }
+}