/*
* Copyright (C) 2011 Google Inc.
*
* 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.example.google.tv.leftnavbar;
import android.app.ActionBar;
import android.app.ActionBar.Tab;
import android.content.Context;
import android.graphics.drawable.Drawable;
import android.view.LayoutInflater;
import android.view.View;
/**
* Basic implementation of the ActionBar.Tab type.
* <p>
* {@code select()} is left unimplemented so that the entity managing tabs can define the proper
* selection flow.
*/
abstract class TabImpl extends Tab {
private final Context mContext;
private ActionBar.TabListener mCallback;
private Object mTag;
private Drawable mIcon;
private CharSequence mText;
private CharSequence mContentDescription;
private int mPosition;
private View mCustomView;
public TabImpl(Context context) {
mContext = context;
}
@Override
public Object getTag() {
return mTag;
}
@Override
public Tab setTag(Object tag) {
mTag = tag;
return this;
}
@Override
public Tab setTabListener(ActionBar.TabListener callback) {
mCallback = callback;
return this;
}
@Override
public View getCustomView() {
return mCustomView;
}
@Override
public Tab setCustomView(View view) {
mCustomView = view;
return this;
}
@Override
public Tab setCustomView(int layoutResId) {
return setCustomView(LayoutInflater.from(mContext).inflate(layoutResId, null));
}
@Override
public Drawable getIcon() {
return mIcon;
}
@Override
public int getPosition() {
return mPosition;
}
public void setPosition(int position) {
mPosition = position;
}
@Override
public CharSequence getText() {
return mText;
}
@Override
public CharSequence getContentDescription() {
return mContentDescription;
}
@Override
public Tab setIcon(Drawable icon) {
mIcon = icon;
return this;
}
@Override
public Tab setIcon(int resId) {
return setIcon(mContext.getResources().getDrawable(resId));
}
@Override
public Tab setText(int resId) {
return setText(mContext.getResources().getText(resId));
}
@Override
public Tab setText(CharSequence text) {
mText = text;
return this;
}
@Override
public Tab setContentDescription(int resId) {
return setContentDescription(mContext.getResources().getText(resId));
}
@Override
public Tab setContentDescription(CharSequence contentDesc) {
mContentDescription = contentDesc;
return this;
}
//----------------------------------------------------------------------------------------------
// Non-API.
public ActionBar.TabListener getCallback() {
return mCallback;
}
boolean hasCustomView() {
return mCustomView != null;
}
@Override
public String toString() {
Object source = mTag != null ? mTag : mText;
return "Tab:" + (source != null ? source.toString() : "<no id>");
}
}