/*
* Copyright (C) 2011 The Android Open Source Project
*
* 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.android.email.activity.setup;
import com.android.email.Email;
import com.android.email.R;
import com.android.email.activity.UiUtilities;
import com.android.emailcommon.Logging;
import com.android.emailcommon.provider.EmailContent;
import com.android.emailcommon.provider.Account;
import com.android.emailcommon.provider.QuickResponse;
import com.android.emailcommon.utility.EmailAsyncTask;
import android.app.Activity;
import android.app.Fragment;
import android.app.FragmentManager;
import android.content.Context;
import android.database.ContentObserver;
import android.os.Bundle;
import android.os.Handler;
import android.util.Log;
import android.view.LayoutInflater;
import android.view.View;
import android.view.View.OnClickListener;
import android.view.ViewGroup;
import android.widget.AdapterView.OnItemClickListener;
import android.widget.ArrayAdapter;
import android.widget.ImageView;
import android.widget.ListView;
import android.widget.TextView;
/**
* Lists quick responses associated with the specified email account. Allows users to create,
* edit, and delete quick responses. Owning activity must:
* <ul>
* <li>Launch this fragment using startPreferencePanel().</li>
* <li>Provide an Account as an argument named "account". This account's quick responses
* will be read and potentially modified.</li>
* </ul>
*
* <p>This fragment is run as a preference panel from AccountSettings.</p>
*/
public class AccountSettingsEditQuickResponsesFragment extends Fragment
implements OnClickListener {
private ListView mQuickResponsesView;
private Account mAccount;
private Context mContext;
private EmailAsyncTask.Tracker mTaskTracker;
private static final String BUNDLE_KEY_ACTIVITY_TITLE
= "AccountSettingsEditQuickResponsesFragment.title";
// Helper class to place a TextView alongside "Delete" icon in the ListView
// displaying the QuickResponses
private static class ArrayAdapterWithButtons extends ArrayAdapter<QuickResponse> {
private QuickResponse[] mQuickResponses;
private final long mAccountId;
private final Context mContext;
private final FragmentManager mFragmentManager;
private OnClickListener mOnEditListener = new OnClickListener() {
@Override
public void onClick(View view) {
QuickResponse quickResponse = (QuickResponse) (view.getTag());
EditQuickResponseDialog
.newInstance(quickResponse, mAccountId)
.show(mFragmentManager, null);
}
};
private OnClickListener mOnDeleteListener = new OnClickListener() {
@Override
public void onClick(View view) {
final QuickResponse quickResponse = (QuickResponse) view.getTag();
// Delete the QuickResponse from the database. Content watchers used to
// update the ListView of QuickResponses upon deletion.
EmailAsyncTask.runAsyncParallel(new Runnable() {
@Override
public void run() {
EmailContent.delete(mContext, quickResponse.getBaseUri(),
quickResponse.getId());
}
});
}
};
private static final int resourceId = R.layout.quick_response_item;
private static final int textViewId = R.id.quick_response_text;
/**
* Instantiates the custom ArrayAdapter, allowing editing and deletion of QuickResponses.
* @param context - context of owning activity
* @param quickResponses - the QuickResponses to represent in the ListView.
* @param fragmentManager - fragmentManager to which an EditQuickResponseDialog will
* attach itself.
* @param accountId - accountId of the QuickResponses
*/
public ArrayAdapterWithButtons(
Context context, QuickResponse[] quickResponses,
FragmentManager fragmentManager, long accountId) {
super(context, resourceId, textViewId, quickResponses);
mQuickResponses = quickResponses;
mAccountId = accountId;
mContext = context;
mFragmentManager = fragmentManager;
}
@Override
public View getView(final int position, View convertView, ViewGroup parent) {
convertView = super.getView(position, convertView, parent);
convertView.setTag(mQuickResponses[position]);
convertView.setOnClickListener(mOnEditListener);
ImageView deleteIcon = (ImageView) convertView.findViewById(R.id.delete_icon);
deleteIcon.setTag(mQuickResponses[position]);
deleteIcon.setOnClickListener(mOnDeleteListener);
return convertView;
}
}
/**
* Finds existing QuickResponses for the specified account and attaches the contents to
* a ListView. Optionally allows for editing and deleting of QuickResposnes from ListView.
*/
public static class QuickResponseFinder extends EmailAsyncTask<Void, Void, QuickResponse[]> {
private final long mAccountId;
private final ListView mQuickResponsesView;
private final Context mContext;
private final FragmentManager mFragmentManager;
private final OnItemClickListener mListener;
private final boolean mIsEditable;
/**
* Finds all QuickResponses for the given account. Creates either a standard ListView
* with a caller-implemented listener or one with a custom adapter that allows deleting
* and editing of QuickResponses via EditQuickResponseDialog.
*
* @param tracker - tracks the finding and listing of QuickResponses. Should be canceled
* onDestroy() or when the results are no longer needed.
* @param accountId - id of the account whose QuickResponses are to be returned
* @param quickResponsesView - ListView to which an ArrayAdapter with the QuickResponses
* will be attached.
* @param context - context of the owning activity
* @param fragmentManager - required when isEditable is true so that an EditQuickResponse
* dialog may properly attach itself. Unused when isEditable is false.
* @param listener - optional when isEditable is true, unused when false.
* @param isEditable - specifies whether the ListView will allow for user editing of
* QuickResponses
*/
public QuickResponseFinder(EmailAsyncTask.Tracker tracker, long accountId,
ListView quickResponsesView, Context context, FragmentManager fragmentManager,
OnItemClickListener listener, boolean isEditable) {
super(tracker);
mAccountId = accountId;
mQuickResponsesView = quickResponsesView;
mContext = context;
mFragmentManager = fragmentManager;
mListener = listener;
mIsEditable = isEditable;
}
@Override
protected QuickResponse[] doInBackground(Void... params) {
QuickResponse[] quickResponses = QuickResponse.restoreQuickResponsesWithAccountId(
mContext, mAccountId);
return quickResponses;
}
@Override
protected void onSuccess(QuickResponse[] quickResponseItems) {
ArrayAdapter<QuickResponse> adapter;
if (mIsEditable) {
adapter = new ArrayAdapterWithButtons(
mContext,
quickResponseItems,
mFragmentManager,
mAccountId);
} else {
adapter = new ArrayAdapter<QuickResponse>(
mContext,
R.layout.insert_quick_response,
quickResponseItems
);
mQuickResponsesView.setOnItemClickListener(mListener);
}
mQuickResponsesView.setAdapter(adapter);
}
}
@Override
public void onAttach(Activity activity) {
super.onAttach(activity);
}
@Override
public void onActivityCreated(Bundle savedInstanceState) {
super.onActivityCreated(savedInstanceState);
// startPreferencePanel launches this fragment with the right title initially, but
// if the device is rotate we must set the title ourselves
if (savedInstanceState != null) {
getActivity().setTitle(savedInstanceState.getString(BUNDLE_KEY_ACTIVITY_TITLE));
}
}
@Override
public void onSaveInstanceState(Bundle outState) {
outState.putString(BUNDLE_KEY_ACTIVITY_TITLE, (String) getActivity().getTitle());
}
@Override
public void onCreate(Bundle savedInstanceState) {
if (Logging.DEBUG_LIFECYCLE && Email.DEBUG) {
Log.d(Logging.LOG_TAG, "AccountSettingsEditQuickResponsesFragment onCreate");
}
super.onCreate(savedInstanceState);
Bundle args = getArguments();
mAccount = args.getParcelable("account");
mTaskTracker = new EmailAsyncTask.Tracker();
}
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container,
Bundle savedInstanceState) {
if (Logging.DEBUG_LIFECYCLE && Email.DEBUG) {
Log.d(Logging.LOG_TAG, "AccountSettingsEditQuickResponsesFragment onCreateView");
}
int layoutId = R.layout.account_settings_edit_quick_responses_fragment;
View view = inflater.inflate(layoutId, container, false);
mContext = getActivity();
mQuickResponsesView = UiUtilities.getView(view,
R.id.account_settings_quick_responses_list);
TextView emptyView = (TextView)
UiUtilities.getView(((ViewGroup) mQuickResponsesView.getParent()), R.id.empty_view);
mQuickResponsesView.setEmptyView(emptyView);
new QuickResponseFinder(mTaskTracker, mAccount.mId, mQuickResponsesView,
mContext, getFragmentManager(), null, true)
.executeParallel();
this.getActivity().getContentResolver().registerContentObserver(
QuickResponse.CONTENT_URI, false, new ContentObserver(new Handler()) {
@Override
public void onChange(boolean selfChange) {
new QuickResponseFinder(mTaskTracker, mAccount.mId, mQuickResponsesView,
mContext, getFragmentManager(), null, true)
.executeParallel();
}
});
UiUtilities.getView(view, R.id.create_new).setOnClickListener(this);
return view;
}
@Override
public void onDestroy() {
mTaskTracker.cancellAllInterrupt();
super.onDestroy();
}
/**
* Implements OnClickListener
*/
@Override
public void onClick(View v) {
if (v.getId() == R.id.create_new) {
EditQuickResponseDialog
.newInstance(null, mAccount.mId)
.show(getFragmentManager(), null);
}
}
}