Revert "Use ViewCompat support library"

This reverts commit e7ee4fa862e9d7986c292c2e3a0d6b392100540a.

Change-Id: I56fab60ac859289d3ed51f691cd7e2a15da01856

1 files changed, 71 insertions, 0 deletions

diff --git a/java/src/com/android/inputmethod/compat/ViewCompatUtils.java b/java/src/com/android/inputmethod/compat/ViewCompatUtils.java
new file mode 100644
index 000000000..dec739d39
--- /dev/null
+++ b/java/src/com/android/inputmethod/compat/ViewCompatUtils.java
@@ -0,0 +1,71 @@
+/*
+ * Copyright (C) 2013 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.View;
+
+import java.lang.reflect.Method;
+
+// TODO: Use {@link android.support.v4.view.ViewCompat} instead of this utility class.
+// Currently {@link #getPaddingEnd(View)} and {@link #setPaddingRelative(View,int,int,int,int)}
+// are missing from android-support-v4 static library in KitKat SDK.
+public final class ViewCompatUtils {
+    // Note that View.LAYOUT_DIRECTION_LTR and View.LAYOUT_DIRECTION_RTL have been introduced in
+    // API level 17 (Build.VERSION_CODE.JELLY_BEAN_MR1).
+    public static final int LAYOUT_DIRECTION_LTR = (Integer)CompatUtils.getFieldValue(null, 0x0,
+            CompatUtils.getField(View.class, "LAYOUT_DIRECTION_LTR"));
+    public static final int LAYOUT_DIRECTION_RTL = (Integer)CompatUtils.getFieldValue(null, 0x1,
+            CompatUtils.getField(View.class, "LAYOUT_DIRECTION_RTL"));
+
+    // Note that View.getPaddingEnd(), View.setPaddingRelative(int,int,int,int), and
+    // View.getLayoutDirection() have been introduced in API level 17
+    // (Build.VERSION_CODE.JELLY_BEAN_MR1).
+    private static final Method METHOD_getPaddingEnd = CompatUtils.getMethod(
+            View.class, "getPaddingEnd");
+    private static final Method METHOD_setPaddingRelative = CompatUtils.getMethod(
+            View.class, "setPaddingRelative",
+            Integer.TYPE, Integer.TYPE, Integer.TYPE, Integer.TYPE);
+    private static final Method METHOD_getLayoutDirection = CompatUtils.getMethod(
+            View.class, "getLayoutDirection");
+
+    private ViewCompatUtils() {
+        // This utility class is not publicly instantiable.
+    }
+
+    public static int getPaddingEnd(final View view) {
+        if (METHOD_getPaddingEnd == null) {
+            return view.getPaddingRight();
+        }
+        return (Integer)CompatUtils.invoke(view, 0, METHOD_getPaddingEnd);
+    }
+
+    public static void setPaddingRelative(final View view, final int start, final int top,
+            final int end, final int bottom) {
+        if (METHOD_setPaddingRelative == null) {
+            view.setPadding(start, top, end, bottom);
+            return;
+        }
+        CompatUtils.invoke(view, null, METHOD_setPaddingRelative, start, top, end, bottom);
+    }
+
+    public static int getLayoutDirection(final View view) {
+        if (METHOD_getLayoutDirection == null) {
+            return LAYOUT_DIRECTION_LTR;
+        }
+        return (Integer)CompatUtils.invoke(view, 0, METHOD_getLayoutDirection);
+    }
+}