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/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this file,
* You can obtain one at http://mozilla.org/MPL/2.0/. */
package org.mozilla.gecko.widget;
import org.mozilla.gecko.R;
import android.content.Context;
import android.content.res.TypedArray;
import android.graphics.drawable.Drawable;
import android.util.AttributeSet;
import android.view.LayoutInflater;
import android.view.View;
import android.widget.ImageButton;
import android.widget.TabWidget;
import android.widget.TextView;
public class IconTabWidget extends TabWidget {
OnTabChangedListener mListener;
private final int mButtonLayoutId;
private final boolean mIsIcon;
public static interface OnTabChangedListener {
public void onTabChanged(int tabIndex);
}
public IconTabWidget(Context context, AttributeSet attrs) {
super(context, attrs);
TypedArray a = context.obtainStyledAttributes(attrs, R.styleable.IconTabWidget);
mButtonLayoutId = a.getResourceId(R.styleable.IconTabWidget_android_layout, 0);
mIsIcon = (a.getInt(R.styleable.IconTabWidget_display, 0x00) == 0x00);
a.recycle();
if (mButtonLayoutId == 0) {
throw new RuntimeException("You must supply layout attribute");
}
}
public View addTab(final int imageResId, final int stringResId) {
View button = LayoutInflater.from(getContext()).inflate(mButtonLayoutId, this, false);
if (mIsIcon) {
((ImageButton) button).setImageResource(imageResId);
button.setContentDescription(getContext().getString(stringResId));
} else {
((TextView) button).setText(getContext().getString(stringResId));
}
addView(button);
button.setOnClickListener(new TabClickListener(getTabCount() - 1));
button.setOnFocusChangeListener(this);
return button;
}
public void setTabSelectionListener(OnTabChangedListener listener) {
mListener = listener;
}
@Override
public void onFocusChange(View view, boolean hasFocus) {
}
private class TabClickListener implements OnClickListener {
private final int mIndex;
public TabClickListener(int index) {
mIndex = index;
}
@Override
public void onClick(View view) {
if (mListener != null)
mListener.onTabChanged(mIndex);
}
}
/**
* Fetch the Drawable icon corresponding to the given panel.
* @param panel to fetch icon for.
* @return Drawable instance, or null if no icon is being displayed, or the icon does not exist.
*/
public Drawable getIconDrawable(int index) {
if (!mIsIcon) {
return null;
}
// We can have multiple views in the tabs panel for each child. This finds the
// first view corresponding to the given tab. This varies by Android
// version. The first view should always be our ImageButton, but let's
// be safe.
final View view = getChildTabViewAt(index);
if (view instanceof ImageButton) {
return ((ImageButton) view).getDrawable();
}
return null;
}
public void setIconDrawable(int index, int resource) {
if (!mIsIcon) {
return;
}
// We can have multiple views in the tabs panel for each child. This finds the
// first view corresponding to the given tab. This varies by Android
// version. The first view should always be our ImageButton, but let's
// be safe.
final View view = getChildTabViewAt(index);
if (view instanceof ImageButton) {
((ImageButton) view).setImageResource(resource);
}
}
}
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