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.AlertDialog;
34import android.app.Fragment;
35import android.content.Intent;
36import android.graphics.Canvas;
37import android.graphics.Paint;
38import android.os.Bundle;
39import android.util.Log;
40import android.view.LayoutInflater;
41import android.view.Menu;
42import android.view.MenuInflater;
43import android.view.MenuItem;
44import android.view.View;
45import android.view.ViewGroup;
46import android.widget.Toast;
47
48import androidx.annotation.NonNull;
49import androidx.databinding.DataBindingUtil;
50import androidx.recyclerview.widget.ItemTouchHelper;
51import androidx.recyclerview.widget.LinearLayoutManager;
52import androidx.recyclerview.widget.RecyclerView;
53
54import com.google.android.material.color.MaterialColors;
55import com.google.android.material.dialog.MaterialAlertDialogBuilder;
56import com.google.android.material.snackbar.Snackbar;
57import com.google.common.collect.Collections2;
58
59import java.util.ArrayList;
60import java.util.List;
61import java.util.concurrent.atomic.AtomicReference;
62
63import eu.siacs.conversations.BuildConfig;
64import eu.siacs.conversations.Config;
65import eu.siacs.conversations.R;
66import eu.siacs.conversations.databinding.FragmentConversationsOverviewBinding;
67import eu.siacs.conversations.entities.Account;
68import eu.siacs.conversations.entities.Conversation;
69import eu.siacs.conversations.entities.Conversational;
70import eu.siacs.conversations.services.QuickConversationsService;
71import eu.siacs.conversations.ui.adapter.ConversationAdapter;
72import eu.siacs.conversations.ui.interfaces.OnConversationArchived;
73import eu.siacs.conversations.ui.interfaces.OnConversationSelected;
74import eu.siacs.conversations.ui.util.MenuDoubleTabUtil;
75import eu.siacs.conversations.ui.util.PendingActionHelper;
76import eu.siacs.conversations.ui.util.PendingItem;
77import eu.siacs.conversations.ui.util.ScrollState;
78import eu.siacs.conversations.utils.AccountUtils;
79import eu.siacs.conversations.utils.EasyOnboardingInvite;
80
81import static androidx.recyclerview.widget.ItemTouchHelper.LEFT;
82import static androidx.recyclerview.widget.ItemTouchHelper.RIGHT;
83
84public class ConversationsOverviewFragment extends XmppFragment {
85
86 private static final String STATE_SCROLL_POSITION = ConversationsOverviewFragment.class.getName()+".scroll_state";
87
88 private final List<Conversation> conversations = new ArrayList<>();
89 private final PendingItem<Conversation> swipedConversation = new PendingItem<>();
90 private final PendingItem<ScrollState> pendingScrollState = new PendingItem<>();
91 private FragmentConversationsOverviewBinding binding;
92 private ConversationAdapter conversationsAdapter;
93 private XmppActivity activity;
94 private final PendingActionHelper pendingActionHelper = new PendingActionHelper();
95
96 private final ItemTouchHelper.SimpleCallback callback = new ItemTouchHelper.SimpleCallback(0,LEFT|RIGHT) {
97 @Override
98 public boolean onMove(@NonNull RecyclerView recyclerView, @NonNull RecyclerView.ViewHolder viewHolder, @NonNull RecyclerView.ViewHolder target) {
99 return false;
100 }
101
102 @Override
103 public void onChildDraw(@NonNull Canvas c, @NonNull RecyclerView recyclerView, @NonNull RecyclerView.ViewHolder viewHolder,
104 float dX, float dY, int actionState, boolean isCurrentlyActive) {
105 if (viewHolder instanceof ConversationAdapter.ConversationViewHolder conversationViewHolder) {
106 getDefaultUIUtil().onDraw(c,recyclerView,conversationViewHolder.binding.frame,dX,dY,actionState,isCurrentlyActive);
107 }
108 }
109
110 @Override
111 public void clearView(@NonNull RecyclerView recyclerView, @NonNull RecyclerView.ViewHolder viewHolder) {
112 if (viewHolder instanceof ConversationAdapter.ConversationViewHolder conversationViewHolder) {
113 getDefaultUIUtil().clearView(conversationViewHolder.binding.frame);
114 }
115 }
116
117 @Override
118 public float getSwipeEscapeVelocity(final float defaultEscapeVelocity) {
119 return 32 * defaultEscapeVelocity;
120 }
121
122 @Override
123 public void onSwiped(final RecyclerView.ViewHolder viewHolder, final int direction) {
124 pendingActionHelper.execute();
125 int position = viewHolder.getLayoutPosition();
126 try {
127 swipedConversation.push(conversations.get(position));
128 } catch (IndexOutOfBoundsException e) {
129 return;
130 }
131 conversationsAdapter.remove(swipedConversation.peek(), position);
132 activity.xmppConnectionService.markRead(swipedConversation.peek());
133
134 if (position == 0 && conversationsAdapter.getItemCount() == 0) {
135 final Conversation c = swipedConversation.pop();
136 activity.xmppConnectionService.archiveConversation(c);
137 return;
138 }
139 final boolean formerlySelected = ConversationFragment.getConversation(getActivity()) == swipedConversation.peek();
140 if (activity instanceof OnConversationArchived) {
141 ((OnConversationArchived) activity).onConversationArchived(swipedConversation.peek());
142 }
143 final Conversation c = swipedConversation.peek();
144 final int title;
145 if (c.getMode() == Conversational.MODE_MULTI) {
146 if (c.getMucOptions().isPrivateAndNonAnonymous()) {
147 title = R.string.title_undo_swipe_out_group_chat;
148 } else {
149 title = R.string.title_undo_swipe_out_channel;
150 }
151 } else {
152 title = R.string.title_undo_swipe_out_chat;
153 }
154
155 final Snackbar snackbar = Snackbar.make(binding.list, title, 5000)
156 .setAction(R.string.undo, v -> {
157 pendingActionHelper.undo();
158 Conversation conversation = swipedConversation.pop();
159 conversationsAdapter.insert(conversation, position);
160 if (formerlySelected) {
161 if (activity instanceof OnConversationSelected) {
162 ((OnConversationSelected) activity).onConversationSelected(c);
163 }
164 }
165 LinearLayoutManager layoutManager = (LinearLayoutManager) binding.list.getLayoutManager();
166 if (position > layoutManager.findLastVisibleItemPosition()) {
167 binding.list.smoothScrollToPosition(position);
168 }
169 })
170 .addCallback(new Snackbar.Callback() {
171 @Override
172 public void onDismissed(Snackbar transientBottomBar, int event) {
173 switch (event) {
174 case DISMISS_EVENT_SWIPE:
175 case DISMISS_EVENT_TIMEOUT:
176 pendingActionHelper.execute();
177 break;
178 }
179 }
180 });
181
182 pendingActionHelper.push(() -> {
183 if (snackbar.isShownOrQueued()) {
184 snackbar.dismiss();
185 }
186 final Conversation conversation = swipedConversation.pop();
187 if(conversation != null){
188 if (!conversation.isRead() && conversation.getMode() == Conversation.MODE_SINGLE) {
189 return;
190 }
191 activity.xmppConnectionService.archiveConversation(c);
192 }
193 });
194 snackbar.show();
195 }
196 };
197
198 private ItemTouchHelper touchHelper;
199
200 public static Conversation getSuggestion(Activity activity) {
201 final Conversation exception;
202 Fragment fragment = activity.getFragmentManager().findFragmentById(R.id.main_fragment);
203 if (fragment instanceof ConversationsOverviewFragment) {
204 exception = ((ConversationsOverviewFragment) fragment).swipedConversation.peek();
205 } else {
206 exception = null;
207 }
208 return getSuggestion(activity, exception);
209 }
210
211 public static Conversation getSuggestion(Activity activity, Conversation exception) {
212 Fragment fragment = activity.getFragmentManager().findFragmentById(R.id.main_fragment);
213 if (fragment instanceof ConversationsOverviewFragment) {
214 List<Conversation> conversations = ((ConversationsOverviewFragment) fragment).conversations;
215 if (conversations.size() > 0) {
216 Conversation suggestion = conversations.get(0);
217 if (suggestion == exception) {
218 if (conversations.size() > 1) {
219 return conversations.get(1);
220 }
221 } else {
222 return suggestion;
223 }
224 }
225 }
226 return null;
227
228 }
229
230 @Override
231 public void onActivityCreated(Bundle savedInstanceState) {
232 super.onActivityCreated(savedInstanceState);
233 if (savedInstanceState == null) {
234 return;
235 }
236 pendingScrollState.push(savedInstanceState.getParcelable(STATE_SCROLL_POSITION));
237 }
238
239 @Override
240 public void onAttach(Activity activity) {
241 super.onAttach(activity);
242 if (activity instanceof XmppActivity) {
243 this.activity = (XmppActivity) activity;
244 } else {
245 throw new IllegalStateException("Trying to attach fragment to activity that is not an XmppActivity");
246 }
247 }
248 @Override
249 public void onDestroyView() {
250 Log.d(Config.LOGTAG,"ConversationsOverviewFragment.onDestroyView()");
251 super.onDestroyView();
252 this.binding = null;
253 this.conversationsAdapter = null;
254 this.touchHelper = null;
255 }
256 @Override
257 public void onDestroy() {
258 Log.d(Config.LOGTAG,"ConversationsOverviewFragment.onDestroy()");
259 super.onDestroy();
260
261 }
262 @Override
263 public void onPause() {
264 Log.d(Config.LOGTAG,"ConversationsOverviewFragment.onPause()");
265 pendingActionHelper.execute();
266 super.onPause();
267 }
268
269 @Override
270 public void onDetach() {
271 super.onDetach();
272 this.activity = null;
273 }
274
275 @Override
276 public void onCreate(Bundle savedInstanceState) {
277 super.onCreate(savedInstanceState);
278 setHasOptionsMenu(true);
279 }
280
281 @Override
282 public View onCreateView(final LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
283 this.binding = DataBindingUtil.inflate(inflater, R.layout.fragment_conversations_overview, container, false);
284 this.binding.fab.setOnClickListener((view) -> StartConversationActivity.launch(getActivity()));
285
286 this.conversationsAdapter = new ConversationAdapter(this.activity, this.conversations);
287 this.conversationsAdapter.setConversationClickListener((view, conversation) -> {
288 if (activity instanceof OnConversationSelected) {
289 ((OnConversationSelected) activity).onConversationSelected(conversation);
290 } else {
291 Log.w(ConversationsOverviewFragment.class.getCanonicalName(), "Activity does not implement OnConversationSelected");
292 }
293 });
294 this.binding.list.setAdapter(this.conversationsAdapter);
295 this.binding.list.setLayoutManager(new LinearLayoutManager(getActivity(),LinearLayoutManager.VERTICAL,false));
296 this.binding.list.addOnScrollListener(ExtendedFabSizeChanger.of(binding.fab));
297 this.touchHelper = new ItemTouchHelper(this.callback);
298 this.touchHelper.attachToRecyclerView(this.binding.list);
299 return binding.getRoot();
300 }
301
302 @Override
303 public void onCreateOptionsMenu(Menu menu, MenuInflater menuInflater) {
304 menuInflater.inflate(R.menu.fragment_conversations_overview, menu);
305 AccountUtils.showHideMenuItems(menu);
306 final MenuItem easyOnboardInvite = menu.findItem(R.id.action_easy_invite);
307 easyOnboardInvite.setVisible(
308 EasyOnboardingInvite.anyHasSupport(
309 activity == null ? null : activity.xmppConnectionService));
310 final MenuItem privacyPolicyMenuItem = menu.findItem(R.id.action_privacy_policy);
311 privacyPolicyMenuItem.setVisible(
312 BuildConfig.PRIVACY_POLICY != null
313 && QuickConversationsService.isPlayStoreFlavor());
314 }
315
316 @Override
317 public void onBackendConnected() {
318 refresh();
319 }
320
321 @Override
322 public void onSaveInstanceState(Bundle bundle) {
323 super.onSaveInstanceState(bundle);
324 ScrollState scrollState = getScrollState();
325 if (scrollState != null) {
326 bundle.putParcelable(STATE_SCROLL_POSITION, scrollState);
327 }
328 }
329
330 private ScrollState getScrollState() {
331 if (this.binding == null) {
332 return null;
333 }
334 LinearLayoutManager layoutManager = (LinearLayoutManager) this.binding.list.getLayoutManager();
335 int position = layoutManager.findFirstVisibleItemPosition();
336 final View view = this.binding.list.getChildAt(0);
337 if (view != null) {
338 return new ScrollState(position,view.getTop());
339 } else {
340 return new ScrollState(position, 0);
341 }
342 }
343
344 @Override
345 public void onStart() {
346 super.onStart();
347 Log.d(Config.LOGTAG, "ConversationsOverviewFragment.onStart()");
348 if (activity.xmppConnectionService != null) {
349 refresh();
350 }
351 }
352
353 @Override
354 public void onResume() {
355 super.onResume();
356 Log.d(Config.LOGTAG, "ConversationsOverviewFragment.onResume()");
357 }
358
359 @Override
360 public boolean onOptionsItemSelected(final MenuItem item) {
361 if (MenuDoubleTabUtil.shouldIgnoreTap()) {
362 return false;
363 }
364 switch (item.getItemId()) {
365 case R.id.action_search:
366 startActivity(new Intent(getActivity(), SearchActivity.class));
367 return true;
368 case R.id.action_easy_invite:
369 selectAccountToStartEasyInvite();
370 return true;
371 }
372 return super.onOptionsItemSelected(item);
373 }
374
375 private void selectAccountToStartEasyInvite() {
376 final List<Account> accounts = EasyOnboardingInvite.getSupportingAccounts(activity.xmppConnectionService);
377 if (accounts.isEmpty()) {
378 //This can technically happen if opening the menu item races with accounts reconnecting or something
379 Toast.makeText(getActivity(),R.string.no_active_accounts_support_this, Toast.LENGTH_LONG).show();
380 } else if (accounts.size() == 1) {
381 openEasyInviteScreen(accounts.get(0));
382 } else {
383 final AtomicReference<Account> selectedAccount = new AtomicReference<>(accounts.get(0));
384 final MaterialAlertDialogBuilder alertDialogBuilder = new MaterialAlertDialogBuilder(activity);
385 alertDialogBuilder.setTitle(R.string.choose_account);
386 final String[] asStrings = Collections2.transform(accounts, a -> a.getJid().asBareJid().toEscapedString()).toArray(new String[0]);
387 alertDialogBuilder.setSingleChoiceItems(asStrings, 0, (dialog, which) -> selectedAccount.set(accounts.get(which)));
388 alertDialogBuilder.setNegativeButton(R.string.cancel, null);
389 alertDialogBuilder.setPositiveButton(R.string.ok, (dialog, which) -> openEasyInviteScreen(selectedAccount.get()));
390 alertDialogBuilder.create().show();
391 }
392 }
393
394 private void openEasyInviteScreen(final Account account) {
395 EasyOnboardingInviteActivity.launch(account, activity);
396 }
397
398 @Override
399 void refresh() {
400 if (this.binding == null || this.activity == null) {
401 Log.d(Config.LOGTAG,"ConversationsOverviewFragment.refresh() skipped updated because view binding or activity was null");
402 return;
403 }
404 this.activity.xmppConnectionService.populateWithOrderedConversations(this.conversations);
405 Conversation removed = this.swipedConversation.peek();
406 if (removed != null) {
407 if (removed.isRead()) {
408 this.conversations.remove(removed);
409 } else {
410 pendingActionHelper.execute();
411 }
412 }
413 this.conversationsAdapter.notifyDataSetChanged();
414 ScrollState scrollState = pendingScrollState.pop();
415 if (scrollState != null) {
416 setScrollPosition(scrollState);
417 }
418 }
419
420 private void setScrollPosition(ScrollState scrollPosition) {
421 if (scrollPosition != null) {
422 LinearLayoutManager layoutManager = (LinearLayoutManager) binding.list.getLayoutManager();
423 layoutManager.scrollToPositionWithOffset(scrollPosition.position, scrollPosition.offset);
424 }
425 }
426}