1/*
2 * Copyright (c) 2018, Daniel Gultsch All rights reserved.
3 *
4 * Redistribution and use in source and binary forms, with or without modification,
5 * are permitted provided that the following conditions are met:
6 *
7 * 1. Redistributions of source code must retain the above copyright notice, this
8 * list of conditions and the following disclaimer.
9 *
10 * 2. Redistributions in binary form must reproduce the above copyright notice,
11 * this list of conditions and the following disclaimer in the documentation and/or
12 * other materials provided with the distribution.
13 *
14 * 3. Neither the name of the copyright holder nor the names of its contributors
15 * may be used to endorse or promote products derived from this software without
16 * specific prior written permission.
17 *
18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
19 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
20 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
21 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
22 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
23 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
24 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
25 * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
26 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
27 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28 */
29
30package eu.siacs.conversations.ui;
31
32import android.app.Activity;
33import android.app.Fragment;
34import android.content.Context;
35import android.databinding.DataBindingUtil;
36import android.os.Bundle;
37import android.util.Log;
38import android.view.LayoutInflater;
39import android.view.View;
40import android.view.ViewGroup;
41
42import java.util.ArrayList;
43import java.util.List;
44
45import de.timroes.android.listview.EnhancedListView;
46import eu.siacs.conversations.Config;
47import eu.siacs.conversations.R;
48import eu.siacs.conversations.databinding.FragmentConversationsOverviewBinding;
49import eu.siacs.conversations.entities.Conversation;
50import eu.siacs.conversations.ui.adapter.ConversationAdapter;
51import eu.siacs.conversations.ui.interfaces.OnConversationArchived;
52import eu.siacs.conversations.ui.interfaces.OnConversationSelected;
53import eu.siacs.conversations.ui.util.PendingItem;
54
55public class ConversationsOverviewFragment extends XmppFragment implements EnhancedListView.OnDismissCallback {
56
57 private final List<Conversation> conversations = new ArrayList<>();
58 private final PendingItem<Conversation> swipedConversation = new PendingItem<>();
59 private FragmentConversationsOverviewBinding binding;
60 private ConversationAdapter conversationsAdapter;
61 private XmppActivity activity;
62
63 public static Conversation getSuggestion(Activity activity) {
64 Fragment fragment = activity.getFragmentManager().findFragmentById(R.id.main_fragment);
65 if (fragment != null && fragment instanceof ConversationsOverviewFragment) {
66 List<Conversation> conversations = ((ConversationsOverviewFragment) fragment).conversations;
67 if (conversations.size() > 0) {
68 return conversations.get(0);
69 }
70 }
71 return null;
72
73 }
74
75 @Override
76 public void onAttach(Activity activity) {
77 super.onAttach(activity);
78 Log.d(Config.LOGTAG, "on attach");
79 if (activity instanceof XmppActivity) {
80 this.activity = (XmppActivity) activity;
81 } else {
82 throw new IllegalStateException("Trying to attach fragment to activity that is not an XmppActivity");
83 }
84 }
85
86 @Override
87 public void onDetach() {
88 super.onDetach();
89 this.activity = null;
90 }
91
92 @Override
93 public View onCreateView(final LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
94 Log.d(Config.LOGTAG, "onCreateView");
95 this.binding = DataBindingUtil.inflate(inflater, R.layout.fragment_conversations_overview, container, false);
96 this.binding.fab.setOnClickListener((view) -> StartConversationActivity.launch(getActivity()));
97
98 this.conversationsAdapter = new ConversationAdapter(this.activity, this.conversations);
99 this.binding.list.setAdapter(this.conversationsAdapter);
100 this.binding.list.setOnItemClickListener((parent, view, position, id) -> {
101 Conversation conversation = this.conversations.get(position);
102 if (activity instanceof OnConversationSelected) {
103 ((OnConversationSelected) activity).onConversationSelected(conversation);
104 } else {
105 Log.w(ConversationsOverviewFragment.class.getCanonicalName(), "Activity does not implement OnConversationSelected");
106 }
107 });
108 this.binding.list.setDismissCallback(this);
109 this.binding.list.enableSwipeToDismiss();
110 this.binding.list.setSwipeDirection(EnhancedListView.SwipeDirection.BOTH);
111 this.binding.list.setSwipingLayout(R.id.swipeable_item);
112 this.binding.list.setUndoStyle(EnhancedListView.UndoStyle.SINGLE_POPUP);
113 this.binding.list.setUndoHideDelay(5000);
114 this.binding.list.setRequireTouchBeforeDismiss(false);
115 return binding.getRoot();
116 }
117
118 @Override
119 void onBackendConnected() {
120 Log.d(Config.LOGTAG, "nice!");
121 refresh();
122 }
123
124 @Override
125 public void onStart() {
126 super.onStart();
127 Log.d(Config.LOGTAG, "ConversationsOverviewFragment.onStart()");
128 if (activity.xmppConnectionService != null) {
129 refresh();
130 }
131 }
132
133 @Override
134 public void onResume() {
135 super.onResume();
136 Log.d(Config.LOGTAG, "ConversationsOverviewFragment.onResume()");
137 }
138
139 @Override
140 void refresh() {
141 this.activity.xmppConnectionService.populateWithOrderedConversations(this.conversations);
142 Conversation removed = this.swipedConversation.peek();
143 if (removed != null) {
144 if (removed.isRead()) {
145 this.conversations.remove(removed);
146 } else {
147 this.binding.list.discardUndo(); //will be ignored during discard when conversation is unRead
148 }
149 }
150 this.conversationsAdapter.notifyDataSetChanged();
151 }
152
153 @Override
154 public EnhancedListView.Undoable onDismiss(EnhancedListView listView, int position) {
155 try {
156 swipedConversation.push(this.conversationsAdapter.getItem(position));
157 } catch (IndexOutOfBoundsException e) {
158 return null;
159 }
160 this.conversationsAdapter.remove(swipedConversation.peek());
161 this.activity.xmppConnectionService.markRead(swipedConversation.peek());
162
163 if (position == 0 && this.conversationsAdapter.getCount() == 0) {
164 final Conversation c = swipedConversation.pop();
165 activity.xmppConnectionService.archiveConversation(c);
166 if (activity instanceof OnConversationArchived) {
167 ((OnConversationArchived) activity).onConversationArchived(c);
168 }
169 return null;
170 }
171 final boolean formerlySelected = ConversationFragment.getConversation(getActivity()) == swipedConversation.peek();
172 if (activity instanceof OnConversationArchived) {
173 ((OnConversationArchived) activity).onConversationArchived(swipedConversation.peek());
174 }
175 return new EnhancedListView.Undoable() {
176
177 @Override
178 public void undo() {
179 Conversation c = swipedConversation.pop();
180 conversationsAdapter.insert(c, position);
181 if (formerlySelected) {
182 if (activity instanceof OnConversationSelected) {
183 ((OnConversationSelected) activity).onConversationSelected(c);
184 }
185 }
186 if (position > listView.getLastVisiblePosition()) {
187 listView.smoothScrollToPosition(position);
188 }
189 }
190
191 @Override
192 public void discard() {
193 Conversation c = swipedConversation.pop();
194 if (!c.isRead() && c.getMode() == Conversation.MODE_SINGLE) {
195 return;
196 }
197 activity.xmppConnectionService.archiveConversation(c);
198 }
199
200 @Override
201 public String getTitle() {
202 if (swipedConversation.peek().getMode() == Conversation.MODE_MULTI) {
203 return getResources().getString(R.string.title_undo_swipe_out_muc);
204 } else {
205 return getResources().getString(R.string.title_undo_swipe_out_conversation);
206 }
207 }
208 };
209 }
210}