1 files changed, 98 insertions, 0 deletions
diff --git a/java/src/org/kelar/inputmethod/compat/EditorInfoCompatUtils.java b/java/src/org/kelar/inputmethod/compat/EditorInfoCompatUtils.java
new file mode 100644
index 000000000..307f6891a
--- /dev/null
+++ b/java/src/org/kelar/inputmethod/compat/EditorInfoCompatUtils.java
@@ -0,0 +1,98 @@
+/*
+ * 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 org.kelar.inputmethod.compat;
+
+import android.view.inputmethod.EditorInfo;
+
+import java.lang.reflect.Field;
+import java.util.Locale;
+
+public final class EditorInfoCompatUtils {
+    // Note that EditorInfo.IME_FLAG_FORCE_ASCII has been introduced
+    // in API level 16 (Build.VERSION_CODES.JELLY_BEAN).
+    private static final Field FIELD_IME_FLAG_FORCE_ASCII = CompatUtils.getField(
+            EditorInfo.class, "IME_FLAG_FORCE_ASCII");
+    private static final Integer OBJ_IME_FLAG_FORCE_ASCII = (Integer) CompatUtils.getFieldValue(
+            null /* receiver */, null /* defaultValue */, FIELD_IME_FLAG_FORCE_ASCII);
+    private static final Field FIELD_HINT_LOCALES = CompatUtils.getField(
+            EditorInfo.class, "hintLocales");
+
+    private EditorInfoCompatUtils() {
+        // This utility class is not publicly instantiable.
+    }
+
+    public static boolean hasFlagForceAscii(final int imeOptions) {
+        if (OBJ_IME_FLAG_FORCE_ASCII == null) return false;
+        return (imeOptions & OBJ_IME_FLAG_FORCE_ASCII) != 0;
+    }
+
+    public static String imeActionName(final int imeOptions) {
+        final int actionId = imeOptions & EditorInfo.IME_MASK_ACTION;
+        switch (actionId) {
+        case EditorInfo.IME_ACTION_UNSPECIFIED:
+            return "actionUnspecified";
+        case EditorInfo.IME_ACTION_NONE:
+            return "actionNone";
+        case EditorInfo.IME_ACTION_GO:
+            return "actionGo";
+        case EditorInfo.IME_ACTION_SEARCH:
+            return "actionSearch";
+        case EditorInfo.IME_ACTION_SEND:
+            return "actionSend";
+        case EditorInfo.IME_ACTION_NEXT:
+            return "actionNext";
+        case EditorInfo.IME_ACTION_DONE:
+            return "actionDone";
+        case EditorInfo.IME_ACTION_PREVIOUS:
+            return "actionPrevious";
+        default:
+            return "actionUnknown(" + actionId + ")";
+        }
+    }
+
+    public static String imeOptionsName(final int imeOptions) {
+        final String action = imeActionName(imeOptions);
+        final StringBuilder flags = new StringBuilder();
+        if ((imeOptions & EditorInfo.IME_FLAG_NO_ENTER_ACTION) != 0) {
+            flags.append("flagNoEnterAction|");
+        }
+        if ((imeOptions & EditorInfo.IME_FLAG_NAVIGATE_NEXT) != 0) {
+            flags.append("flagNavigateNext|");
+        }
+        if ((imeOptions & EditorInfo.IME_FLAG_NAVIGATE_PREVIOUS) != 0) {
+            flags.append("flagNavigatePrevious|");
+        }
+        if (hasFlagForceAscii(imeOptions)) {
+            flags.append("flagForceAscii|");
+        }
+        return (action != null) ? flags + action : flags.toString();
+    }
+
+    public static Locale getPrimaryHintLocale(final EditorInfo editorInfo) {
+        if (editorInfo == null) {
+            return null;
+        }
+        final Object localeList = CompatUtils.getFieldValue(editorInfo, null, FIELD_HINT_LOCALES);
+        if (localeList == null) {
+            return null;
+        }
+        if (LocaleListCompatUtils.isEmpty(localeList)) {
+            return null;
+        }
+        return LocaleListCompatUtils.get(localeList, 0);
+    }
+}