Added CompatUtils for starting a language selector

Change-Id: I158414efaff43d0c6abe1f9af83ed3425992dfb9

1 files changed, 51 insertions, 0 deletions

diff --git a/java/src/com/android/inputmethod/compat/CompatUtils.java b/java/src/com/android/inputmethod/compat/CompatUtils.java
new file mode 100644
index 000000000..e1e812d83
--- /dev/null
+++ b/java/src/com/android/inputmethod/compat/CompatUtils.java
@@ -0,0 +1,51 @@
+/*
+ * Copyright (C) 2011 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.compat;
+
+import android.content.Intent;
+import android.text.TextUtils;
+
+public class CompatUtils {
+    private static final String EXTRA_INPUT_METHOD_ID = "input_method_id";
+    // TODO: Can these be constants instead of literal String constants?
+    private static final String INPUT_METHOD_SUBTYPE_SETTINGS =
+            "android.settings.INPUT_METHOD_SUBTYPE_SETTINGS";
+    private static final String INPUT_LANGUAGE_SELECTION =
+            "com.android.inputmethod.latin.INPUT_LANGUAGE_SELECTION";
+
+    public static Intent getInputLanguageSelectionIntent(String inputMethodId,
+            int flagsForSubtypeSettings) {
+        final String action;
+        Intent intent;
+        if (android.os.Build.VERSION.SDK_INT
+                >= /* android.os.Build.VERSION_CODES.HONEYCOMB */ 11) {
+            // Refer to android.provider.Settings.ACTION_INPUT_METHOD_SUBTYPE_SETTINGS
+            action = INPUT_METHOD_SUBTYPE_SETTINGS;
+            intent = new Intent(action);
+            if (!TextUtils.isEmpty(inputMethodId)) {
+                intent.putExtra(EXTRA_INPUT_METHOD_ID, inputMethodId);
+            }
+            if (flagsForSubtypeSettings > 0) {
+                intent.setFlags(flagsForSubtypeSettings);
+            }
+        } else {
+            action = INPUT_LANGUAGE_SELECTION;
+            intent = new Intent(action);
+        }
+        return intent;
+    }
+}