Added support for touch exploration to Latin IME.

Bug: 4379983
Change-Id: I97f22e54827c6229054b514801401ffa5b4ed3b8

1 files changed, 39 insertions, 0 deletions

diff --git a/java/src/com/android/inputmethod/compat/AccessibilityEventCompatUtils.java b/java/src/com/android/inputmethod/compat/AccessibilityEventCompatUtils.java
new file mode 100644
index 000000000..50057727a
--- /dev/null
+++ b/java/src/com/android/inputmethod/compat/AccessibilityEventCompatUtils.java
@@ -0,0 +1,39 @@
+/*
+ * 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.view.accessibility.AccessibilityEvent;
+
+import java.lang.reflect.Field;
+
+public class AccessibilityEventCompatUtils {
+    public static final int TYPE_VIEW_HOVER_ENTER = 0x80;
+    public static final int TYPE_VIEW_HOVER_EXIT = 0x100;
+
+    private static final Field FIELD_TYPE_VIEW_HOVER_ENTER = CompatUtils.getField(
+            AccessibilityEvent.class, "TYPE_VIEW_HOVER_ENTER");
+    private static final Field FIELD_TYPE_VIEW_HOVER_EXIT = CompatUtils.getField(
+            AccessibilityEvent.class, "TYPE_VIEW_HOVER_EXIT");
+    private static final Integer OBJ_TYPE_VIEW_HOVER_ENTER = (Integer) CompatUtils
+            .getFieldValue(null, null, FIELD_TYPE_VIEW_HOVER_ENTER);
+    private static final Integer OBJ_TYPE_VIEW_HOVER_EXIT = (Integer) CompatUtils
+            .getFieldValue(null, null, FIELD_TYPE_VIEW_HOVER_EXIT);
+
+    public static boolean supportsTouchExploration() {
+        return OBJ_TYPE_VIEW_HOVER_ENTER != null && OBJ_TYPE_VIEW_HOVER_EXIT != null;
+    }
+}