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package org.wordpress.android.ui.main;
import android.animation.Animator;
import android.animation.AnimatorListenerAdapter;
import android.animation.ObjectAnimator;
import android.animation.PropertyValuesHolder;
import android.content.Context;
import android.support.annotation.DrawableRes;
import android.support.annotation.StringRes;
import android.support.design.widget.TabLayout;
import android.util.AttributeSet;
import android.view.LayoutInflater;
import android.view.View;
import android.view.animation.AccelerateInterpolator;
import android.view.animation.BounceInterpolator;
import android.widget.ImageView;
import org.wordpress.android.R;
import org.wordpress.android.ui.notifications.utils.SimperiumUtils;
/**
* tab layout for main activity
*/
public class WPMainTabLayout extends TabLayout {
private View mNoteBadge;
public WPMainTabLayout(Context context, AttributeSet attrs, int defStyleAttr) {
super(context, attrs, defStyleAttr);
}
public WPMainTabLayout(Context context) {
super(context);
}
public WPMainTabLayout(Context context, AttributeSet attrs) {
super(context, attrs);
}
public void createTabs() {
addTab(R.drawable.main_tab_sites, R.string.tabbar_accessibility_label_my_site, false);
addTab(R.drawable.main_tab_reader, R.string.reader, false);
addTab(R.drawable.main_tab_me, R.string.tabbar_accessibility_label_me, false);
addTab(R.drawable.main_tab_notifications, R.string.notifications, true);
checkNoteBadge();
}
private void addTab(@DrawableRes int iconId, @StringRes int contentDescriptionId, boolean isNoteTab) {
View customView = LayoutInflater.from(getContext()).inflate(R.layout.tab_icon, null);
ImageView icon = (ImageView) customView.findViewById(R.id.tab_icon);
icon.setImageResource(iconId);
icon.setContentDescription(getResources().getText(contentDescriptionId));
// each tab has a badge icon, but we only care about the one on the notifications tab
if (isNoteTab) {
mNoteBadge = customView.findViewById(R.id.tab_badge);
}
addTab(newTab().setCustomView(customView));
}
/*
* adds or removes the badge on the notifications tab depending on whether there are
* unread notifications
*/
void checkNoteBadge() {
showNoteBadge(SimperiumUtils.hasUnreadNotes());
}
void showNoteBadge(boolean showBadge) {
if (mNoteBadge == null) return;
boolean isBadged = (mNoteBadge.getVisibility() == View.VISIBLE);
if (showBadge == isBadged) {
return;
}
float start = showBadge ? 0f : 1f;
float end = showBadge ? 1f : 0f;
PropertyValuesHolder scaleX = PropertyValuesHolder.ofFloat(View.SCALE_X, start, end);
PropertyValuesHolder scaleY = PropertyValuesHolder.ofFloat(View.SCALE_Y, start, end);
ObjectAnimator animScale = ObjectAnimator.ofPropertyValuesHolder(mNoteBadge, scaleX, scaleY);
if (showBadge) {
animScale.setInterpolator(new BounceInterpolator());
animScale.setDuration(getContext().getResources().getInteger(android.R.integer.config_longAnimTime));
animScale.addListener(new AnimatorListenerAdapter() {
@Override
public void onAnimationStart(Animator animation) {
mNoteBadge.setVisibility(View.VISIBLE);
}
});
} else {
animScale.setInterpolator(new AccelerateInterpolator());
animScale.setDuration(getContext().getResources().getInteger(android.R.integer.config_shortAnimTime));
animScale.addListener(new AnimatorListenerAdapter() {
@Override
public void onAnimationEnd(Animator animation) {
mNoteBadge.setVisibility(View.GONE);
}
});
}
animScale.start();
}
private boolean isValidPosition(int position) {
return (position >=0 && position < getTabCount());
}
public void setSelectedTabPosition(int position) {
if (!isValidPosition(position) || getSelectedTabPosition() == position) {
return;
}
Tab tab = getTabAt(position);
if (tab != null) {
tab.select();
}
}
}
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