/**
* Copyright 2010-present Facebook.
*
* 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.facebook.internal;
import android.content.Context;
import android.graphics.Typeface;
import android.util.TypedValue;
import android.view.Gravity;
import android.widget.Button;
import com.facebook.android.R;
/**
* com.facebook.internal is solely for the use of other packages within the Facebook SDK for Android. Use of
* any of the classes in this package is unsupported, and they may be modified or removed without warning at
* any time.
*/
public class LikeButton extends Button {
private boolean isLiked;
/**
* Create the LikeButton .
*
* @see android.view.View#View(android.content.Context)
*/
public LikeButton(Context context, boolean isLiked) {
super(context);
this.isLiked = isLiked;
initialize();
}
public void setLikeState(boolean isLiked) {
if (isLiked != this.isLiked) {
this.isLiked = isLiked;
updateForLikeStatus();
}
}
private void initialize() {
// apparently there's no method of setting a default style in xml,
// so in case the users do not explicitly specify a style, we need
// to use sensible defaults.
this.setGravity(Gravity.CENTER_VERTICAL);
this.setTextColor(getResources().getColor(R.color.com_facebook_likebutton_text_color));
this.setTextSize(TypedValue.COMPLEX_UNIT_PX,
getResources().getDimension(R.dimen.com_facebook_likebutton_text_size));
this.setTypeface(Typeface.DEFAULT_BOLD);
this.setCompoundDrawablePadding(
getResources().getDimensionPixelSize(R.dimen.com_facebook_likebutton_compound_drawable_padding));
this.setPadding(
getResources().getDimensionPixelSize(R.dimen.com_facebook_likebutton_padding_left),
getResources().getDimensionPixelSize(R.dimen.com_facebook_likebutton_padding_top),
getResources().getDimensionPixelSize(R.dimen.com_facebook_likebutton_padding_right),
getResources().getDimensionPixelSize(R.dimen.com_facebook_likebutton_padding_bottom));
updateForLikeStatus();
}
private void updateForLikeStatus() {
if (isLiked) {
this.setBackgroundResource(R.drawable.com_facebook_button_like_selected);
this.setCompoundDrawablesWithIntrinsicBounds(R.drawable.com_facebook_button_like_icon_selected, 0, 0, 0);
this.setText(getResources().getString(R.string.com_facebook_like_button_liked));
} else {
this.setBackgroundResource(R.drawable.com_facebook_button_like);
this.setCompoundDrawablesWithIntrinsicBounds(R.drawable.com_facebook_button_like_icon, 0, 0, 0);
this.setText(getResources().getString(R.string.com_facebook_like_button_not_liked));
}
}
}