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.databinding.DataBindingUtil;
49import androidx.recyclerview.widget.ItemTouchHelper;
50import androidx.recyclerview.widget.LinearLayoutManager;
51import androidx.recyclerview.widget.RecyclerView;
52
53import com.google.android.material.snackbar.Snackbar;
54import com.google.common.collect.Collections2;
55
56import java.util.ArrayList;
57import java.util.List;
58import java.util.concurrent.atomic.AtomicReference;
59
60import eu.siacs.conversations.BuildConfig;
61import eu.siacs.conversations.Config;
62import eu.siacs.conversations.R;
63import eu.siacs.conversations.databinding.FragmentConversationsOverviewBinding;
64import eu.siacs.conversations.entities.Account;
65import eu.siacs.conversations.entities.Conversation;
66import eu.siacs.conversations.entities.Conversational;
67import eu.siacs.conversations.services.QuickConversationsService;
68import eu.siacs.conversations.ui.adapter.ConversationAdapter;
69import eu.siacs.conversations.ui.interfaces.OnConversationArchived;
70import eu.siacs.conversations.ui.interfaces.OnConversationSelected;
71import eu.siacs.conversations.ui.util.MenuDoubleTabUtil;
72import eu.siacs.conversations.ui.util.PendingActionHelper;
73import eu.siacs.conversations.ui.util.PendingItem;
74import eu.siacs.conversations.ui.util.ScrollState;
75import eu.siacs.conversations.ui.util.StyledAttributes;
76import eu.siacs.conversations.utils.AccountUtils;
77import eu.siacs.conversations.utils.EasyOnboardingInvite;
78import eu.siacs.conversations.utils.ThemeHelper;
79
80import static androidx.recyclerview.widget.ItemTouchHelper.LEFT;
81import static androidx.recyclerview.widget.ItemTouchHelper.RIGHT;
82
83public class ConversationsOverviewFragment extends XmppFragment {
84
85 private static final String STATE_SCROLL_POSITION = ConversationsOverviewFragment.class.getName()+".scroll_state";
86
87 private final List<Conversation> conversations = new ArrayList<>();
88 private final PendingItem<Conversation> swipedConversation = new PendingItem<>();
89 private final PendingItem<ScrollState> pendingScrollState = new PendingItem<>();
90 private FragmentConversationsOverviewBinding binding;
91 private ConversationAdapter conversationsAdapter;
92 private XmppActivity activity;
93 private float mSwipeEscapeVelocity = 0f;
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(RecyclerView recyclerView, RecyclerView.ViewHolder viewHolder, RecyclerView.ViewHolder target) {
99 //todo maybe we can manually changing the position of the conversation
100 return false;
101 }
102
103 @Override
104 public float getSwipeEscapeVelocity (float defaultValue) {
105 return mSwipeEscapeVelocity;
106 }
107
108 @Override
109 public void onChildDraw(Canvas c, RecyclerView recyclerView, RecyclerView.ViewHolder viewHolder,
110 float dX, float dY, int actionState, boolean isCurrentlyActive) {
111 super.onChildDraw(c, recyclerView, viewHolder, dX, dY, actionState, isCurrentlyActive);
112 if(actionState != ItemTouchHelper.ACTION_STATE_IDLE){
113 Paint paint = new Paint();
114 paint.setColor(StyledAttributes.getColor(activity,R.attr.conversations_overview_background));
115 paint.setStyle(Paint.Style.FILL);
116 c.drawRect(viewHolder.itemView.getLeft(),viewHolder.itemView.getTop()
117 ,viewHolder.itemView.getRight(),viewHolder.itemView.getBottom(), paint);
118 }
119 }
120
121 @Override
122 public void clearView(RecyclerView recyclerView, RecyclerView.ViewHolder viewHolder) {
123 super.clearView(recyclerView, viewHolder);
124 viewHolder.itemView.setAlpha(1f);
125 }
126
127 @Override
128 public void onSwiped(RecyclerView.ViewHolder viewHolder, int direction) {
129 pendingActionHelper.execute();
130 int position = viewHolder.getLayoutPosition();
131 try {
132 swipedConversation.push(conversations.get(position));
133 } catch (IndexOutOfBoundsException e) {
134 return;
135 }
136 conversationsAdapter.remove(swipedConversation.peek(), position);
137 activity.xmppConnectionService.markRead(swipedConversation.peek());
138
139 if (position == 0 && conversationsAdapter.getItemCount() == 0) {
140 final Conversation c = swipedConversation.pop();
141 activity.xmppConnectionService.archiveConversation(c);
142 return;
143 }
144 final boolean formerlySelected = ConversationFragment.getConversation(getActivity()) == swipedConversation.peek();
145 if (activity instanceof OnConversationArchived) {
146 ((OnConversationArchived) activity).onConversationArchived(swipedConversation.peek());
147 }
148 final Conversation c = swipedConversation.peek();
149 final int title;
150 if (c.getMode() == Conversational.MODE_MULTI) {
151 if (c.getMucOptions().isPrivateAndNonAnonymous()) {
152 title = R.string.title_undo_swipe_out_group_chat;
153 } else {
154 title = R.string.title_undo_swipe_out_channel;
155 }
156 } else {
157 title = R.string.title_undo_swipe_out_conversation;
158 }
159
160 final Snackbar snackbar = Snackbar.make(binding.list, title, 5000)
161 .setAction(R.string.undo, v -> {
162 pendingActionHelper.undo();
163 Conversation conversation = swipedConversation.pop();
164 conversationsAdapter.insert(conversation, position);
165 if (formerlySelected) {
166 if (activity instanceof OnConversationSelected) {
167 ((OnConversationSelected) activity).onConversationSelected(c);
168 }
169 }
170 LinearLayoutManager layoutManager = (LinearLayoutManager) binding.list.getLayoutManager();
171 if (position > layoutManager.findLastVisibleItemPosition()) {
172 binding.list.smoothScrollToPosition(position);
173 }
174 })
175 .addCallback(new Snackbar.Callback() {
176 @Override
177 public void onDismissed(Snackbar transientBottomBar, int event) {
178 switch (event) {
179 case DISMISS_EVENT_SWIPE:
180 case DISMISS_EVENT_TIMEOUT:
181 pendingActionHelper.execute();
182 break;
183 }
184 }
185 });
186
187 pendingActionHelper.push(() -> {
188 if (snackbar.isShownOrQueued()) {
189 snackbar.dismiss();
190 }
191 final Conversation conversation = swipedConversation.pop();
192 if(conversation != null){
193 if (!conversation.isRead() && conversation.getMode() == Conversation.MODE_SINGLE) {
194 return;
195 }
196 activity.xmppConnectionService.archiveConversation(c);
197 }
198 });
199
200 ThemeHelper.fix(snackbar);
201 snackbar.show();
202 }
203 };
204
205 private ItemTouchHelper touchHelper;
206
207 public static Conversation getSuggestion(Activity activity) {
208 final Conversation exception;
209 Fragment fragment = activity.getFragmentManager().findFragmentById(R.id.main_fragment);
210 if (fragment instanceof ConversationsOverviewFragment) {
211 exception = ((ConversationsOverviewFragment) fragment).swipedConversation.peek();
212 } else {
213 exception = null;
214 }
215 return getSuggestion(activity, exception);
216 }
217
218 public static Conversation getSuggestion(Activity activity, Conversation exception) {
219 Fragment fragment = activity.getFragmentManager().findFragmentById(R.id.main_fragment);
220 if (fragment instanceof ConversationsOverviewFragment) {
221 List<Conversation> conversations = ((ConversationsOverviewFragment) fragment).conversations;
222 if (conversations.size() > 0) {
223 Conversation suggestion = conversations.get(0);
224 if (suggestion == exception) {
225 if (conversations.size() > 1) {
226 return conversations.get(1);
227 }
228 } else {
229 return suggestion;
230 }
231 }
232 }
233 return null;
234
235 }
236
237 @Override
238 public void onActivityCreated(Bundle savedInstanceState) {
239 super.onActivityCreated(savedInstanceState);
240 if (savedInstanceState == null) {
241 return;
242 }
243 pendingScrollState.push(savedInstanceState.getParcelable(STATE_SCROLL_POSITION));
244 }
245
246 @Override
247 public void onAttach(Activity activity) {
248 super.onAttach(activity);
249 if (activity instanceof XmppActivity) {
250 this.activity = (XmppActivity) activity;
251 } else {
252 throw new IllegalStateException("Trying to attach fragment to activity that is not an XmppActivity");
253 }
254 }
255 @Override
256 public void onDestroyView() {
257 Log.d(Config.LOGTAG,"ConversationsOverviewFragment.onDestroyView()");
258 super.onDestroyView();
259 this.binding = null;
260 this.conversationsAdapter = null;
261 this.touchHelper = null;
262 }
263 @Override
264 public void onDestroy() {
265 Log.d(Config.LOGTAG,"ConversationsOverviewFragment.onDestroy()");
266 super.onDestroy();
267
268 }
269 @Override
270 public void onPause() {
271 Log.d(Config.LOGTAG,"ConversationsOverviewFragment.onPause()");
272 pendingActionHelper.execute();
273 super.onPause();
274 }
275
276 @Override
277 public void onDetach() {
278 super.onDetach();
279 this.activity = null;
280 }
281
282 @Override
283 public void onCreate(Bundle savedInstanceState) {
284 super.onCreate(savedInstanceState);
285 setHasOptionsMenu(true);
286 }
287
288 @Override
289 public View onCreateView(final LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
290 this.mSwipeEscapeVelocity = getResources().getDimension(R.dimen.swipe_escape_velocity);
291 this.binding = DataBindingUtil.inflate(inflater, R.layout.fragment_conversations_overview, container, false);
292 this.binding.fab.setOnClickListener((view) -> StartConversationActivity.launch(getActivity()));
293
294 this.conversationsAdapter = new ConversationAdapter(this.activity, this.conversations);
295 this.conversationsAdapter.setConversationClickListener((view, conversation) -> {
296 if (activity instanceof OnConversationSelected) {
297 ((OnConversationSelected) activity).onConversationSelected(conversation);
298 } else {
299 Log.w(ConversationsOverviewFragment.class.getCanonicalName(), "Activity does not implement OnConversationSelected");
300 }
301 });
302 this.binding.list.setAdapter(this.conversationsAdapter);
303 this.binding.list.setLayoutManager(new LinearLayoutManager(getActivity(),LinearLayoutManager.VERTICAL,false));
304 this.touchHelper = new ItemTouchHelper(this.callback);
305 this.touchHelper.attachToRecyclerView(this.binding.list);
306 return binding.getRoot();
307 }
308
309 @Override
310 public void onCreateOptionsMenu(Menu menu, MenuInflater menuInflater) {
311 menuInflater.inflate(R.menu.fragment_conversations_overview, menu);
312 AccountUtils.showHideMenuItems(menu);
313 final MenuItem easyOnboardInvite = menu.findItem(R.id.action_easy_invite);
314 easyOnboardInvite.setVisible(
315 EasyOnboardingInvite.anyHasSupport(
316 activity == null ? null : activity.xmppConnectionService));
317 final MenuItem privacyPolicyMenuItem = menu.findItem(R.id.action_privacy_policy);
318 privacyPolicyMenuItem.setVisible(
319 BuildConfig.PRIVACY_POLICY != null
320 && QuickConversationsService.isPlayStoreFlavor());
321 }
322
323 @Override
324 public void onBackendConnected() {
325 refresh();
326 }
327
328 @Override
329 public void onSaveInstanceState(Bundle bundle) {
330 super.onSaveInstanceState(bundle);
331 ScrollState scrollState = getScrollState();
332 if (scrollState != null) {
333 bundle.putParcelable(STATE_SCROLL_POSITION, scrollState);
334 }
335 }
336
337 private ScrollState getScrollState() {
338 if (this.binding == null) {
339 return null;
340 }
341 LinearLayoutManager layoutManager = (LinearLayoutManager) this.binding.list.getLayoutManager();
342 int position = layoutManager.findFirstVisibleItemPosition();
343 final View view = this.binding.list.getChildAt(0);
344 if (view != null) {
345 return new ScrollState(position,view.getTop());
346 } else {
347 return new ScrollState(position, 0);
348 }
349 }
350
351 @Override
352 public void onStart() {
353 super.onStart();
354 Log.d(Config.LOGTAG, "ConversationsOverviewFragment.onStart()");
355 if (activity.xmppConnectionService != null) {
356 refresh();
357 }
358 }
359
360 @Override
361 public void onResume() {
362 super.onResume();
363 Log.d(Config.LOGTAG, "ConversationsOverviewFragment.onResume()");
364 }
365
366 @Override
367 public boolean onOptionsItemSelected(final MenuItem item) {
368 if (MenuDoubleTabUtil.shouldIgnoreTap()) {
369 return false;
370 }
371 switch (item.getItemId()) {
372 case R.id.action_search:
373 startActivity(new Intent(getActivity(), SearchActivity.class));
374 return true;
375 case R.id.action_easy_invite:
376 selectAccountToStartEasyInvite();
377 return true;
378 }
379 return super.onOptionsItemSelected(item);
380 }
381
382 private void selectAccountToStartEasyInvite() {
383 final List<Account> accounts = EasyOnboardingInvite.getSupportingAccounts(activity.xmppConnectionService);
384 if (accounts.size() == 0) {
385 //This can technically happen if opening the menu item races with accounts reconnecting or something
386 Toast.makeText(getActivity(),R.string.no_active_accounts_support_this, Toast.LENGTH_LONG).show();
387 } else if (accounts.size() == 1) {
388 openEasyInviteScreen(accounts.get(0));
389 } else {
390 final AtomicReference<Account> selectedAccount = new AtomicReference<>(accounts.get(0));
391 final AlertDialog.Builder alertDialogBuilder = new AlertDialog.Builder(activity);
392 alertDialogBuilder.setTitle(R.string.choose_account);
393 final String[] asStrings = Collections2.transform(accounts, a -> a.getJid().asBareJid().toEscapedString()).toArray(new String[0]);
394 alertDialogBuilder.setSingleChoiceItems(asStrings, 0, (dialog, which) -> selectedAccount.set(accounts.get(which)));
395 alertDialogBuilder.setNegativeButton(R.string.cancel, null);
396 alertDialogBuilder.setPositiveButton(R.string.ok, (dialog, which) -> openEasyInviteScreen(selectedAccount.get()));
397 alertDialogBuilder.create().show();
398 }
399 }
400
401 private void openEasyInviteScreen(final Account account) {
402 EasyOnboardingInviteActivity.launch(account, activity);
403 }
404
405 @Override
406 void refresh() {
407 if (this.binding == null || this.activity == null) {
408 Log.d(Config.LOGTAG,"ConversationsOverviewFragment.refresh() skipped updated because view binding or activity was null");
409 return;
410 }
411 this.activity.xmppConnectionService.populateWithOrderedConversations(this.conversations);
412 Conversation removed = this.swipedConversation.peek();
413 if (removed != null) {
414 if (removed.isRead()) {
415 this.conversations.remove(removed);
416 } else {
417 pendingActionHelper.execute();
418 }
419 }
420 this.conversationsAdapter.notifyDataSetChanged();
421 ScrollState scrollState = pendingScrollState.pop();
422 if (scrollState != null) {
423 setScrollPosition(scrollState);
424 }
425 }
426
427 private void setScrollPosition(ScrollState scrollPosition) {
428 if (scrollPosition != null) {
429 LinearLayoutManager layoutManager = (LinearLayoutManager) binding.list.getLayoutManager();
430 layoutManager.scrollToPositionWithOffset(scrollPosition.position, scrollPosition.offset);
431 }
432 }
433}