Added InputTypeCompatUtils

Also Moved utilities related to InputType to InputTypeCompatUtils

Change-Id: Iab8ff5389f624f2abe627ece2acb156b0e1285ef

1 files changed, 95 insertions, 0 deletions

diff --git a/java/src/com/android/inputmethod/compat/InputTypeCompatUtils.java b/java/src/com/android/inputmethod/compat/InputTypeCompatUtils.java
new file mode 100644
index 000000000..d85174188
--- /dev/null
+++ b/java/src/com/android/inputmethod/compat/InputTypeCompatUtils.java
@@ -0,0 +1,95 @@
+/*
+ * 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.text.InputType;
+
+import java.lang.reflect.Field;
+
+public class InputTypeCompatUtils {
+    private static final Field FIELD_InputType_TYPE_TEXT_VARIATION_WEB_EMAIL_ADDRESS =
+            CompatUtils.getField(InputType.class, "TYPE_TEXT_VARIATION_WEB_EMAIL_ADDRESS");
+    private static final Field FIELD_InputType_TYPE_TEXT_VARIATION_WEB_PASSWORD = CompatUtils
+            .getField(InputType.class, "TYPE_TEXT_VARIATION_WEB_PASSWORD");
+    private static final Field FIELD_InputType_TYPE_NUMBER_VARIATION_PASSWORD = CompatUtils
+            .getField(InputType.class, "TYPE_NUMBER_VARIATION_PASSWORD");
+    private static final Integer OBJ_InputType_TYPE_TEXT_VARIATION_WEB_EMAIL_ADDRESS =
+            (Integer) CompatUtils.getFieldValue(null, null,
+                    FIELD_InputType_TYPE_TEXT_VARIATION_WEB_EMAIL_ADDRESS);
+    private static final Integer OBJ_InputType_TYPE_TEXT_VARIATION_WEB_PASSWORD =
+            (Integer) CompatUtils.getFieldValue(null, null,
+                    FIELD_InputType_TYPE_TEXT_VARIATION_WEB_PASSWORD);
+    private static final Integer OBJ_InputType_TYPE_NUMBER_VARIATION_PASSWORD =
+            (Integer) CompatUtils.getFieldValue(null, null,
+                    FIELD_InputType_TYPE_NUMBER_VARIATION_PASSWORD);
+    private static final int WEB_TEXT_PASSWORD_INPUT_TYPE;
+    private static final int NUMBER_PASSWORD_INPUT_TYPE;
+    private static final int TEXT_PASSWORD_INPUT_TYPE =
+            InputType.TYPE_CLASS_TEXT | InputType.TYPE_TEXT_VARIATION_PASSWORD;
+    private static final int TEXT_VISIBLE_PASSWORD_INPUT_TYPE =
+            InputType.TYPE_CLASS_TEXT | InputType.TYPE_TEXT_VARIATION_VISIBLE_PASSWORD;
+
+    static {
+        WEB_TEXT_PASSWORD_INPUT_TYPE =
+                OBJ_InputType_TYPE_TEXT_VARIATION_WEB_PASSWORD != null
+                        ? InputType.TYPE_CLASS_TEXT | OBJ_InputType_TYPE_TEXT_VARIATION_WEB_PASSWORD
+                        : 0;
+        NUMBER_PASSWORD_INPUT_TYPE =
+                OBJ_InputType_TYPE_NUMBER_VARIATION_PASSWORD != null
+                        ? InputType.TYPE_CLASS_NUMBER | OBJ_InputType_TYPE_NUMBER_VARIATION_PASSWORD
+                        : 0;
+    }
+
+    private static boolean isWebPasswordInputType(int inputType) {
+        return WEB_TEXT_PASSWORD_INPUT_TYPE != 0
+                && inputType == WEB_TEXT_PASSWORD_INPUT_TYPE;
+    }
+
+    private static boolean isNumberPasswordInputType(int inputType) {
+        return NUMBER_PASSWORD_INPUT_TYPE != 0
+                && inputType == NUMBER_PASSWORD_INPUT_TYPE;
+    }
+
+    private static boolean isTextPasswordInputType(int inputType) {
+        return inputType == TEXT_PASSWORD_INPUT_TYPE;
+    }
+
+    private static boolean isWebEmailAddressVariation(int variation) {
+        return OBJ_InputType_TYPE_TEXT_VARIATION_WEB_EMAIL_ADDRESS != null
+                && variation == OBJ_InputType_TYPE_TEXT_VARIATION_WEB_EMAIL_ADDRESS;
+    }
+
+    public static boolean isEmailVariation(int variation) {
+        return variation == InputType.TYPE_TEXT_VARIATION_EMAIL_ADDRESS
+                || isWebEmailAddressVariation(variation);
+    }
+
+    // Please refer to TextView.isPasswordInputType
+    public static boolean isPasswordInputType(int inputType) {
+        final int maskedInputType =
+                inputType & (InputType.TYPE_MASK_CLASS | InputType.TYPE_MASK_VARIATION);
+        return isTextPasswordInputType(maskedInputType) || isWebPasswordInputType(maskedInputType)
+                || isNumberPasswordInputType(maskedInputType);
+    }
+
+    // Please refer to TextView.isVisiblePasswordInputType
+    public static boolean isVisiblePasswordInputType(int inputType) {
+        final int maskedInputType =
+                inputType & (InputType.TYPE_MASK_CLASS | InputType.TYPE_MASK_VARIATION);
+        return maskedInputType == TEXT_VISIBLE_PASSWORD_INPUT_TYPE;
+    }
+}