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      1 /*
      2  * Copyright (C) 2014 The Android Open Source Project
      3  *
      4  * Licensed under the Apache License, Version 2.0 (the "License");
      5  * you may not use this file except in compliance with the License.
      6  * You may obtain a copy of the License at
      7  *
      8  *      http://www.apache.org/licenses/LICENSE-2.0
      9  *
     10  * Unless required by applicable law or agreed to in writing, software
     11  * distributed under the License is distributed on an "AS IS" BASIS,
     12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     13  * See the License for the specific language governing permissions and
     14  * limitations under the License.
     15  */
     16 
     17 package com.android.tv.settings.dialog;
     18 
     19 import android.app.Activity;
     20 import android.app.FragmentManager;
     21 import android.content.ContentResolver;
     22 import android.content.Context;
     23 import android.content.Intent;
     24 import android.content.res.Resources;
     25 import android.net.Uri;
     26 import android.os.Bundle;
     27 import android.provider.Settings;
     28 
     29 import com.android.tv.settings.dialog.SettingsLayoutFragment;
     30 import com.android.tv.settings.dialog.Layout;
     31 import com.android.tv.settings.dialog.Layout.Action;
     32 import com.android.tv.settings.dialog.Layout.LayoutRow;
     33 
     34 import com.android.tv.settings.R;
     35 
     36 import java.util.ArrayList;
     37 
     38 /**
     39  * Activity to present settings menus and options.
     40  */
     41 public abstract class SettingsLayoutActivity extends Activity implements
     42         SettingsLayoutFragment.Listener, SettingsLayoutAdapter.OnFocusListener {
     43 
     44     private SettingsLayoutFragment mSettingsLayoutFragment;
     45 
     46     @Override
     47     protected void onCreate(Bundle savedInstanceState) {
     48         super.onCreate(savedInstanceState);
     49         final Layout layout = createLayout();
     50         layout.navigateToRoot();
     51         final FragmentManager fm = getFragmentManager();
     52         mSettingsLayoutFragment = (SettingsLayoutFragment) fm.findFragmentByTag(
     53                 SettingsLayoutFragment.TAG_LEAN_BACK_DIALOG_FRAGMENT);
     54         if (mSettingsLayoutFragment == null) {
     55             mSettingsLayoutFragment = new SettingsLayoutFragment.Builder()
     56                     .title(layout.getTitle())
     57                     .breadcrumb(layout.getBreadcrumb())
     58                     .icon(layout.getIcon())
     59                     .iconBackgroundColor(getResources().getColor(R.color.icon_background))
     60                     .build();
     61             SettingsLayoutFragment.add(fm, mSettingsLayoutFragment);
     62         }
     63         mSettingsLayoutFragment.setLayout(layout);
     64     }
     65 
     66     @Override
     67     public void onBackPressed() {
     68         if (! mSettingsLayoutFragment.onBackPressed()) {
     69             super.onBackPressed();
     70         }
     71     }
     72 
     73     public abstract Layout createLayout();
     74 
     75     @Override
     76     public void onActionFocused(Layout.LayoutRow item) {
     77     }
     78 
     79     @Override
     80     public void onActionClicked(Action action) {
     81     }
     82 
     83     protected void goBackToTitle (String title) {
     84         mSettingsLayoutFragment.goBackToTitle (title);
     85     }
     86 
     87     /**
     88      * Return true if the display view is rendered right to left.
     89      */
     90     protected boolean isLayoutRtl() {
     91         return mSettingsLayoutFragment.getView().isLayoutRtl();
     92     }
     93 
     94     protected void setIcon(int resId) {
     95         mSettingsLayoutFragment.setIcon(resId);
     96     }
     97 }
     98