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/*
* 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 androidx.core.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.getPaddingEnd(), View.setPaddingRelative(int,int,int,int) 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",
int.class, int.class, int.class, int.class);
// Note that View.setTextAlignment(int) has been introduced in API level 17.
private static final Method METHOD_setTextAlignment = CompatUtils.getMethod(
View.class, "setTextAlignment", int.class);
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);
}
// These TEXT_ALIGNMENT_* constants have been introduced in API 17.
public static final int TEXT_ALIGNMENT_INHERIT = 0;
public static final int TEXT_ALIGNMENT_GRAVITY = 1;
public static final int TEXT_ALIGNMENT_TEXT_START = 2;
public static final int TEXT_ALIGNMENT_TEXT_END = 3;
public static final int TEXT_ALIGNMENT_CENTER = 4;
public static final int TEXT_ALIGNMENT_VIEW_START = 5;
public static final int TEXT_ALIGNMENT_VIEW_END = 6;
public static void setTextAlignment(final View view, final int textAlignment) {
CompatUtils.invoke(view, null, METHOD_setTextAlignment, textAlignment);
}
}
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