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      1 /*
      2  * Copyright (C) 2010 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 package com.android.contacts.list;
     17 
     18 import android.app.Fragment;
     19 import android.content.Context;
     20 import android.content.Intent;
     21 import android.content.res.Configuration;
     22 import android.graphics.PorterDuff;
     23 import android.os.Bundle;
     24 import android.support.v4.content.ContextCompat;
     25 import android.view.Gravity;
     26 import android.view.LayoutInflater;
     27 import android.view.View;
     28 import android.view.View.OnClickListener;
     29 import android.view.ViewGroup;
     30 import android.widget.Button;
     31 import android.widget.ImageView;
     32 import android.widget.LinearLayout;
     33 import android.widget.ProgressBar;
     34 import android.widget.TextView;
     35 
     36 import com.android.contacts.R;
     37 import com.android.contacts.compat.ProviderStatusCompat;
     38 import com.android.contacts.interactions.ImportDialogFragment;
     39 import com.android.contacts.util.ImplicitIntentsUtil;
     40 
     41 /**
     42  * Fragment shown when contacts are unavailable. It contains provider status
     43  * messaging as well as instructions for the user.
     44  */
     45 public class ContactsUnavailableFragment extends Fragment implements OnClickListener {
     46 
     47     private View mView;
     48     private ImageView mImageView;
     49     private TextView mMessageView;
     50     private Button mAddAccountButton;
     51     private Button mImportContactsButton;
     52     private ProgressBar mProgress;
     53     private View mButtonsContainer;
     54 
     55     private Integer mProviderStatus;
     56 
     57     @Override
     58     public View onCreateView(
     59             LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
     60         mView = inflater.inflate(R.layout.contacts_unavailable_fragment, null);
     61 
     62         mImageView = (ImageView) mView.findViewById(R.id.empty_image);
     63         final LinearLayout.LayoutParams layoutParams =
     64                 (LinearLayout.LayoutParams) mImageView.getLayoutParams();
     65         final int screenHeight = getResources().getDisplayMetrics().heightPixels;
     66         final int topMargin =
     67                 screenHeight / getResources()
     68                         .getInteger(R.integer.contacts_no_account_empty_image_margin_divisor)
     69                 - getResources()
     70                         .getDimensionPixelSize(R.dimen.contacts_no_account_empty_image_offset);
     71         layoutParams.setMargins(0, topMargin, 0, 0);
     72         layoutParams.gravity = Gravity.CENTER_HORIZONTAL;
     73         mImageView.setLayoutParams(layoutParams);
     74 
     75         mMessageView = (TextView) mView.findViewById(R.id.message);
     76         mAddAccountButton = (Button) mView.findViewById(R.id.add_account_button);
     77         mAddAccountButton.setOnClickListener(this);
     78         mAddAccountButton.getBackground().setColorFilter(ContextCompat.getColor(getContext(), R
     79                 .color.primary_color), PorterDuff.Mode.SRC_ATOP);
     80         mImportContactsButton = (Button) mView.findViewById(R.id.import_contacts_button);
     81         mImportContactsButton.setOnClickListener(this);
     82         mImportContactsButton.getBackground().setColorFilter(ContextCompat.getColor(getContext(),
     83                 R.color.primary_color), PorterDuff.Mode.SRC_ATOP);
     84         mProgress = (ProgressBar) mView.findViewById(R.id.progress);
     85 
     86         if (getResources().getConfiguration().orientation == Configuration.ORIENTATION_LANDSCAPE) {
     87             mButtonsContainer = mView.findViewById(R.id.buttons_container);
     88         }
     89 
     90         if (mProviderStatus != null) {
     91             updateStatus(mProviderStatus);
     92         }
     93 
     94         return mView;
     95     }
     96 
     97     public void updateStatus(int providerStatus) {
     98         mProviderStatus = providerStatus;
     99         if (mView == null) {
    100             // The view hasn't been inflated yet.
    101             return;
    102         }
    103         if (providerStatus == ProviderStatusCompat.STATUS_EMPTY) {
    104             updateViewsForEmptyStatus();
    105         } else if (providerStatus == ProviderStatusCompat.STATUS_BUSY
    106                 || providerStatus == ProviderStatusCompat.STATUS_CHANGING_LOCALE) {
    107             updateViewsForBusyStatus();
    108         }
    109     }
    110 
    111     /**
    112      * Update views in the fragment when provider status is empty.
    113      */
    114     private void updateViewsForEmptyStatus() {
    115         mMessageView.setVisibility(View.VISIBLE);
    116         updateButtonVisibility(View.VISIBLE);
    117         mProgress.setVisibility(View.GONE);
    118     }
    119 
    120     /**
    121      * Update views in the fragment when provider status is busy.
    122      */
    123     private void updateViewsForBusyStatus() {
    124         mMessageView.setVisibility(View.GONE);
    125         mImageView.setVisibility(View.GONE);
    126         updateButtonVisibility(View.GONE);
    127         mProgress.setVisibility(View.VISIBLE);
    128     }
    129 
    130     @Override
    131     public void onClick(View v) {
    132         final int id = v.getId();
    133         if (id == R.id.add_account_button) {
    134             final Intent intent = ImplicitIntentsUtil.getIntentForAddingGoogleAccount();
    135             ImplicitIntentsUtil.startActivityOutsideApp(getActivity(), intent);
    136 
    137         } else if (id == R.id.import_contacts_button) {
    138             ImportDialogFragment.show(getFragmentManager());
    139 
    140         }
    141     }
    142 
    143     private void updateButtonVisibility(int visibility) {
    144         if (getResources().getConfiguration().orientation == Configuration.ORIENTATION_LANDSCAPE) {
    145             mAddAccountButton.setVisibility(visibility);
    146             mImportContactsButton.setVisibility(visibility);
    147             mButtonsContainer.setVisibility(visibility);
    148         } else {
    149             mAddAccountButton.setVisibility(visibility);
    150             mImportContactsButton.setVisibility(visibility);
    151         }
    152     }
    153 
    154     @Override
    155     public Context getContext() {
    156         return getActivity();
    157     }
    158 }
    159