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.databinding.DataBindingUtil;
35import android.os.Bundle;
36import android.util.Log;
37import android.view.LayoutInflater;
38import android.view.View;
39import android.view.ViewGroup;
40
41import java.util.ArrayList;
42import java.util.List;
43
44import de.timroes.android.listview.EnhancedListView;
45import eu.siacs.conversations.Config;
46import eu.siacs.conversations.R;
47import eu.siacs.conversations.databinding.FragmentConversationsOverviewBinding;
48import eu.siacs.conversations.entities.Conversation;
49import eu.siacs.conversations.ui.adapter.ConversationAdapter;
50import eu.siacs.conversations.ui.interfaces.OnConversationArchived;
51import eu.siacs.conversations.ui.interfaces.OnConversationSelected;
52import eu.siacs.conversations.ui.util.PendingItem;
53
54public class ConversationsOverviewFragment extends XmppFragment implements EnhancedListView.OnDismissCallback {
55
56 private final List<Conversation> conversations = new ArrayList<>();
57 private final PendingItem<Conversation> swipedConversation = new PendingItem<>();
58 private FragmentConversationsOverviewBinding binding;
59 private ConversationAdapter conversationsAdapter;
60 private XmppActivity activity;
61
62 public static Conversation getSuggestion(Activity activity) {
63 Fragment fragment = activity.getFragmentManager().findFragmentById(R.id.main_fragment);
64 if (fragment != null && fragment instanceof ConversationsOverviewFragment) {
65 List<Conversation> conversations = ((ConversationsOverviewFragment) fragment).conversations;
66 if (conversations.size() > 0) {
67 return conversations.get(0);
68 }
69 }
70 return null;
71
72 }
73
74 @Override
75 public void onAttach(Activity activity) {
76 super.onAttach(activity);
77 Log.d(Config.LOGTAG, "on attach");
78 if (activity instanceof XmppActivity) {
79 this.activity = (XmppActivity) activity;
80 } else {
81 throw new IllegalStateException("Trying to attach fragment to activity that is not an XmppActivity");
82 }
83 }
84
85 @Override
86 public void onDetach() {
87 super.onDetach();
88 this.activity = null;
89 }
90
91 @Override
92 public View onCreateView(final LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
93 Log.d(Config.LOGTAG, "onCreateView");
94 this.binding = DataBindingUtil.inflate(inflater, R.layout.fragment_conversations_overview, container, false);
95 this.binding.fab.setOnClickListener((view) -> StartConversationActivity.launch(getActivity()));
96
97 this.conversationsAdapter = new ConversationAdapter(this.activity, this.conversations);
98 this.binding.list.setAdapter(this.conversationsAdapter);
99 this.binding.list.setOnItemClickListener((parent, view, position, id) -> {
100 Conversation conversation = this.conversations.get(position);
101 if (activity instanceof OnConversationSelected) {
102 ((OnConversationSelected) activity).onConversationSelected(conversation);
103 } else {
104 Log.w(ConversationsOverviewFragment.class.getCanonicalName(), "Activity does not implement OnConversationSelected");
105 }
106 });
107 this.binding.list.setDismissCallback(this);
108 this.binding.list.enableSwipeToDismiss();
109 this.binding.list.setSwipeDirection(EnhancedListView.SwipeDirection.BOTH);
110 this.binding.list.setSwipingLayout(R.id.swipeable_item);
111 this.binding.list.setUndoStyle(EnhancedListView.UndoStyle.SINGLE_POPUP);
112 this.binding.list.setUndoHideDelay(5000);
113 this.binding.list.setRequireTouchBeforeDismiss(false);
114 return binding.getRoot();
115 }
116
117 @Override
118 void onBackendConnected() {
119 Log.d(Config.LOGTAG, "nice!");
120 refresh();
121 }
122
123 @Override
124 public void onStart() {
125 super.onStart();
126 Log.d(Config.LOGTAG, "ConversationsOverviewFragment.onStart()");
127 if (activity.xmppConnectionService != null) {
128 refresh();
129 }
130 }
131
132 @Override
133 public void onResume() {
134 super.onResume();
135 Log.d(Config.LOGTAG, "ConversationsOverviewFragment.onResume()");
136 }
137
138 @Override
139 void refresh() {
140 this.activity.xmppConnectionService.populateWithOrderedConversations(this.conversations);
141 Conversation removed = this.swipedConversation.peek();
142 if (removed != null) {
143 if (removed.isRead()) {
144 this.conversations.remove(removed);
145 } else {
146 this.binding.list.discardUndo(); //will be ignored during discard when conversation is unRead
147 }
148 }
149 this.conversationsAdapter.notifyDataSetChanged();
150 }
151
152 @Override
153 public EnhancedListView.Undoable onDismiss(EnhancedListView listView, int position) {
154 try {
155 swipedConversation.push(this.conversationsAdapter.getItem(position));
156 } catch (IndexOutOfBoundsException e) {
157 return null;
158 }
159 this.conversationsAdapter.remove(swipedConversation.peek());
160 this.activity.xmppConnectionService.markRead(swipedConversation.peek());
161
162 if (position == 0 && this.conversationsAdapter.getCount() == 0) {
163 final Conversation c = swipedConversation.pop();
164 activity.xmppConnectionService.archiveConversation(c);
165 if (activity instanceof OnConversationArchived) {
166 ((OnConversationArchived) activity).onConversationArchived(c);
167 }
168 return null;
169 }
170 final boolean formerlySelected = ConversationFragment.getConversation(getActivity()) == swipedConversation.peek();
171 if (activity instanceof OnConversationArchived) {
172 ((OnConversationArchived) activity).onConversationArchived(swipedConversation.peek());
173 }
174 return new EnhancedListView.Undoable() {
175
176 @Override
177 public void undo() {
178 Conversation c = swipedConversation.pop();
179 conversationsAdapter.insert(c, position);
180 if (formerlySelected) {
181 if (activity instanceof OnConversationSelected) {
182 ((OnConversationSelected) activity).onConversationSelected(c);
183 }
184 }
185 if (position > listView.getLastVisiblePosition()) {
186 listView.smoothScrollToPosition(position);
187 }
188 }
189
190 @Override
191 public void discard() {
192 Conversation c = swipedConversation.pop();
193 if (!c.isRead() && c.getMode() == Conversation.MODE_SINGLE) {
194 return;
195 }
196 activity.xmppConnectionService.archiveConversation(c);
197 }
198
199 @Override
200 public String getTitle() {
201 if (swipedConversation.peek().getMode() == Conversation.MODE_MULTI) {
202 return getResources().getString(R.string.title_undo_swipe_out_muc);
203 } else {
204 return getResources().getString(R.string.title_undo_swipe_out_conversation);
205 }
206 }
207 };
208 }
209}