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rename method to better reflect its function
[mobile-ledger.git] / app / src / main / java / net / ktnx / mobileledger / ui / activity / MainActivity.java
1 /*
2  * Copyright © 2019 Damyan Ivanov.
3  * This file is part of MoLe.
4  * MoLe is free software: you can distribute it and/or modify it
5  * under the term of the GNU General Public License as published by
6  * the Free Software Foundation, either version 3 of the License, or
7  * (at your opinion), any later version.
8  *
9  * MoLe is distributed in the hope that it will be useful,
10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12  * GNU General Public License terms for details.
13  *
14  * You should have received a copy of the GNU General Public License
15  * along with MoLe. If not, see <https://www.gnu.org/licenses/>.
16  */
17
18 package net.ktnx.mobileledger.ui.activity;
19
20 import android.content.Intent;
21 import android.content.SharedPreferences;
22 import android.content.pm.PackageInfo;
23 import android.content.pm.ShortcutInfo;
24 import android.content.pm.ShortcutManager;
25 import android.content.res.ColorStateList;
26 import android.graphics.Color;
27 import android.graphics.drawable.Icon;
28 import android.os.AsyncTask;
29 import android.os.Build;
30 import android.os.Bundle;
31 import android.util.Log;
32 import android.view.View;
33 import android.view.ViewGroup;
34 import android.view.ViewPropertyAnimator;
35 import android.view.animation.AnimationUtils;
36 import android.widget.LinearLayout;
37 import android.widget.ProgressBar;
38 import android.widget.TextView;
39
40 import androidx.annotation.NonNull;
41 import androidx.appcompat.app.ActionBarDrawerToggle;
42 import androidx.appcompat.widget.Toolbar;
43 import androidx.core.view.GravityCompat;
44 import androidx.drawerlayout.widget.DrawerLayout;
45 import androidx.fragment.app.Fragment;
46 import androidx.fragment.app.FragmentManager;
47 import androidx.fragment.app.FragmentPagerAdapter;
48 import androidx.recyclerview.widget.LinearLayoutManager;
49 import androidx.recyclerview.widget.RecyclerView;
50 import androidx.viewpager.widget.ViewPager;
51
52 import com.google.android.material.floatingactionbutton.FloatingActionButton;
53 import com.google.android.material.snackbar.Snackbar;
54
55 import net.ktnx.mobileledger.R;
56 import net.ktnx.mobileledger.async.DbOpQueue;
57 import net.ktnx.mobileledger.async.RefreshDescriptionsTask;
58 import net.ktnx.mobileledger.async.RetrieveTransactionsTask;
59 import net.ktnx.mobileledger.model.Data;
60 import net.ktnx.mobileledger.model.LedgerAccount;
61 import net.ktnx.mobileledger.model.MobileLedgerProfile;
62 import net.ktnx.mobileledger.ui.account_summary.AccountSummaryAdapter;
63 import net.ktnx.mobileledger.ui.account_summary.AccountSummaryFragment;
64 import net.ktnx.mobileledger.ui.account_summary.AccountSummaryViewModel;
65 import net.ktnx.mobileledger.ui.profiles.ProfileDetailFragment;
66 import net.ktnx.mobileledger.ui.profiles.ProfilesRecyclerViewAdapter;
67 import net.ktnx.mobileledger.ui.transaction_list.TransactionListFragment;
68 import net.ktnx.mobileledger.ui.transaction_list.TransactionListViewModel;
69 import net.ktnx.mobileledger.utils.Colors;
70 import net.ktnx.mobileledger.utils.GetOptCallback;
71 import net.ktnx.mobileledger.utils.LockHolder;
72 import net.ktnx.mobileledger.utils.MLDB;
73
74 import org.jetbrains.annotations.NotNull;
75
76 import java.text.DateFormat;
77 import java.util.ArrayList;
78 import java.util.Date;
79 import java.util.List;
80 import java.util.Locale;
81
82 import static net.ktnx.mobileledger.utils.Logger.debug;
83
84 /*
85  * TODO: reports
86  *  */
87
88 public class MainActivity extends ProfileThemedActivity {
89     public static final String STATE_CURRENT_PAGE = "current_page";
90     public static final String BUNDLE_SAVED_STATE = "bundle_savedState";
91     public static final String STATE_ACC_FILTER = "account_filter";
92     private static final String PREF_THEME_ID = "themeId";
93     public AccountSummaryFragment mAccountSummaryFragment;
94     DrawerLayout drawer;
95     private View profileListHeadMore, profileListHeadCancel, profileListHeadAddProfile;
96     private View bTransactionListCancelDownload;
97     private SectionsPagerAdapter mSectionsPagerAdapter;
98     private ViewPager mViewPager;
99     private FloatingActionButton fab;
100     private ProfilesRecyclerViewAdapter mProfileListAdapter;
101     private int mCurrentPage;
102     private boolean mBackMeansToAccountList = false;
103     private Toolbar mToolbar;
104     private DrawerLayout.SimpleDrawerListener drawerListener;
105     private ActionBarDrawerToggle barDrawerToggle;
106     private ViewPager.SimpleOnPageChangeListener pageChangeListener;
107     private MobileLedgerProfile profile;
108     @Override
109     protected void onStart() {
110         super.onStart();
111
112         mViewPager.setCurrentItem(mCurrentPage, false);
113     }
114     @Override
115     protected void onSaveInstanceState(@NotNull Bundle outState) {
116         super.onSaveInstanceState(outState);
117         outState.putInt(STATE_CURRENT_PAGE, mViewPager.getCurrentItem());
118         if (Data.accountFilter.getValue() != null)
119             outState.putString(STATE_ACC_FILTER, Data.accountFilter.getValue());
120     }
121     @Override
122     protected void onDestroy() {
123         mSectionsPagerAdapter = null;
124         RecyclerView root = findViewById(R.id.nav_profile_list);
125         if (root != null)
126             root.setAdapter(null);
127         if (drawer != null)
128             drawer.removeDrawerListener(drawerListener);
129         drawerListener = null;
130         if (drawer != null)
131             drawer.removeDrawerListener(barDrawerToggle);
132         barDrawerToggle = null;
133         if (mViewPager != null)
134             mViewPager.removeOnPageChangeListener(pageChangeListener);
135         pageChangeListener = null;
136         super.onDestroy();
137     }
138     @Override
139     protected void setupProfileColors() {
140         SharedPreferences prefs = getPreferences(MODE_PRIVATE);
141         int profileColor = prefs.getInt(PREF_THEME_ID, -2);
142         if (profileColor == -2)
143             profileColor = Data.retrieveCurrentThemeIdFromDb();
144         Colors.setupTheme(this, profileColor);
145         Colors.profileThemeId = profileColor;
146         storeThemeIdInPrefs(profileColor);
147     }
148     @Override
149     protected void onResume() {
150         super.onResume();
151         fabShouldShow();
152     }
153     @Override
154     protected void onCreate(Bundle savedInstanceState) {
155         super.onCreate(savedInstanceState);
156         debug("flow", "MainActivity.onCreate()");
157         setContentView(R.layout.activity_main);
158
159         fab = findViewById(R.id.btn_add_transaction);
160         profileListHeadMore = findViewById(R.id.nav_profiles_start_edit);
161         profileListHeadCancel = findViewById(R.id.nav_profiles_cancel_edit);
162         LinearLayout profileListHeadMoreAndCancel =
163                 findViewById(R.id.nav_profile_list_head_buttons);
164         profileListHeadAddProfile = findViewById(R.id.nav_new_profile_button);
165         drawer = findViewById(R.id.drawer_layout);
166         bTransactionListCancelDownload = findViewById(R.id.transaction_list_cancel_download);
167         mSectionsPagerAdapter = new SectionsPagerAdapter(getSupportFragmentManager());
168         mViewPager = findViewById(R.id.root_frame);
169
170         Bundle extra = getIntent().getBundleExtra(BUNDLE_SAVED_STATE);
171         if (extra != null && savedInstanceState == null)
172             savedInstanceState = extra;
173
174
175         mToolbar = findViewById(R.id.toolbar);
176         setSupportActionBar(mToolbar);
177
178         Data.profile.observe(this, this::onProfileChanged);
179
180         Data.profiles.observe(this, this::onProfileListChanged);
181
182         if (barDrawerToggle == null) {
183             barDrawerToggle = new ActionBarDrawerToggle(this, drawer, mToolbar,
184                     R.string.navigation_drawer_open, R.string.navigation_drawer_close);
185             drawer.addDrawerListener(barDrawerToggle);
186         }
187         barDrawerToggle.syncState();
188         drawer.addDrawerListener(new DrawerLayout.DrawerListener() {
189             @Override
190             public void onDrawerSlide(@NonNull View drawerView, float slideOffset) {
191                 if (slideOffset > 0.2)
192                     fabHide();
193             }
194             @Override
195             public void onDrawerOpened(@NonNull View drawerView) {
196                 fabHide();
197             }
198             @Override
199             public void onDrawerClosed(@NonNull View drawerView) {
200                 fabShouldShow();
201             }
202             @Override
203             public void onDrawerStateChanged(int newState) {}
204         });
205
206
207         try {
208             PackageInfo pi = getApplicationContext().getPackageManager()
209                                                     .getPackageInfo(getPackageName(), 0);
210             ((TextView) findViewById(R.id.nav_upper).findViewById(
211                     R.id.drawer_version_text)).setText(pi.versionName);
212             ((TextView) findViewById(R.id.no_profiles_layout).findViewById(
213                     R.id.drawer_version_text)).setText(pi.versionName);
214         }
215         catch (Exception e) {
216             e.printStackTrace();
217         }
218
219         markDrawerItemCurrent(R.id.nav_account_summary);
220
221         mViewPager.setAdapter(mSectionsPagerAdapter);
222
223         if (pageChangeListener == null) {
224             pageChangeListener = new ViewPager.SimpleOnPageChangeListener() {
225                 @Override
226                 public void onPageSelected(int position) {
227                     mCurrentPage = position;
228                     switch (position) {
229                         case 0:
230                             markDrawerItemCurrent(R.id.nav_account_summary);
231                             break;
232                         case 1:
233                             markDrawerItemCurrent(R.id.nav_latest_transactions);
234                             break;
235                         default:
236                             Log.e("MainActivity",
237                                     String.format("Unexpected page index %d", position));
238                     }
239
240                     super.onPageSelected(position);
241                 }
242             };
243             mViewPager.addOnPageChangeListener(pageChangeListener);
244         }
245
246         mCurrentPage = 0;
247         if (savedInstanceState != null) {
248             int currentPage = savedInstanceState.getInt(STATE_CURRENT_PAGE, -1);
249             if (currentPage != -1) {
250                 mCurrentPage = currentPage;
251             }
252             Data.accountFilter.setValue(savedInstanceState.getString(STATE_ACC_FILTER, null));
253         }
254
255         Data.lastUpdateDate.observe(this, this::updateLastUpdateDisplay);
256
257         findViewById(R.id.btn_no_profiles_add).setOnClickListener(
258                 v -> startEditProfileActivity(null));
259
260         findViewById(R.id.btn_add_transaction).setOnClickListener(this::fabNewTransactionClicked);
261
262         findViewById(R.id.nav_new_profile_button).setOnClickListener(
263                 v -> startEditProfileActivity(null));
264
265         RecyclerView root = findViewById(R.id.nav_profile_list);
266         if (root == null)
267             throw new RuntimeException("Can't get hold on the transaction value view");
268
269         if (mProfileListAdapter == null)
270             mProfileListAdapter = new ProfilesRecyclerViewAdapter();
271         root.setAdapter(mProfileListAdapter);
272
273         mProfileListAdapter.editingProfiles.observe(this, newValue -> {
274             if (newValue) {
275                 profileListHeadMore.setVisibility(View.GONE);
276                 profileListHeadCancel.setVisibility(View.VISIBLE);
277                 profileListHeadAddProfile.setVisibility(View.VISIBLE);
278                 if (drawer.isDrawerOpen(GravityCompat.START)) {
279                     profileListHeadMore.startAnimation(
280                             AnimationUtils.loadAnimation(MainActivity.this, R.anim.fade_out));
281                     profileListHeadCancel.startAnimation(
282                             AnimationUtils.loadAnimation(MainActivity.this, R.anim.fade_in));
283                     profileListHeadAddProfile.startAnimation(
284                             AnimationUtils.loadAnimation(MainActivity.this, R.anim.fade_in));
285                 }
286             }
287             else {
288                 profileListHeadCancel.setVisibility(View.GONE);
289                 profileListHeadMore.setVisibility(View.VISIBLE);
290                 profileListHeadAddProfile.setVisibility(View.GONE);
291                 if (drawer.isDrawerOpen(GravityCompat.START)) {
292                     profileListHeadCancel.startAnimation(
293                             AnimationUtils.loadAnimation(MainActivity.this, R.anim.fade_out));
294                     profileListHeadMore.startAnimation(
295                             AnimationUtils.loadAnimation(MainActivity.this, R.anim.fade_in));
296                     profileListHeadAddProfile.startAnimation(
297                             AnimationUtils.loadAnimation(MainActivity.this, R.anim.fade_out));
298                 }
299             }
300
301             mProfileListAdapter.notifyDataSetChanged();
302         });
303
304         LinearLayoutManager llm = new LinearLayoutManager(this);
305
306         llm.setOrientation(RecyclerView.VERTICAL);
307         root.setLayoutManager(llm);
308
309         profileListHeadMore.setOnClickListener((v) -> mProfileListAdapter.flipEditingProfiles());
310         profileListHeadCancel.setOnClickListener((v) -> mProfileListAdapter.flipEditingProfiles());
311         profileListHeadMoreAndCancel.setOnClickListener(
312                 (v) -> mProfileListAdapter.flipEditingProfiles());
313         if (drawerListener == null) {
314             drawerListener = new DrawerLayout.SimpleDrawerListener() {
315                 @Override
316                 public void onDrawerClosed(View drawerView) {
317                     super.onDrawerClosed(drawerView);
318                     mProfileListAdapter.setAnimationsEnabled(false);
319                     mProfileListAdapter.editingProfiles.setValue(false);
320                 }
321                 @Override
322                 public void onDrawerOpened(View drawerView) {
323                     super.onDrawerOpened(drawerView);
324                     mProfileListAdapter.setAnimationsEnabled(true);
325                 }
326             };
327             drawer.addDrawerListener(drawerListener);
328         }
329         setupProfile();
330     }
331     private void scheduleDataRetrievalIfStale(Date lastUpdate) {
332         long now = new Date().getTime();
333         if ((lastUpdate == null) || (now > (lastUpdate.getTime() + (24 * 3600 * 1000)))) {
334             if (lastUpdate == null)
335                 debug("db::", "WEB data never fetched. scheduling a fetch");
336             else
337                 debug("db", String.format(Locale.ENGLISH,
338                         "WEB data last fetched at %1.3f and now is %1.3f. re-fetching",
339                         lastUpdate.getTime() / 1000f, now / 1000f));
340
341             Data.scheduleTransactionListRetrieval(this);
342         }
343     }
344     private void createShortcuts(List<MobileLedgerProfile> list) {
345         if (Build.VERSION.SDK_INT < Build.VERSION_CODES.N_MR1)
346             return;
347
348         ShortcutManager sm = getSystemService(ShortcutManager.class);
349         List<ShortcutInfo> shortcuts = new ArrayList<>();
350         int i = 0;
351         for (MobileLedgerProfile p : list) {
352             if (shortcuts.size() >= sm.getMaxShortcutCountPerActivity())
353                 break;
354
355             if (!p.isPostingPermitted())
356                 continue;
357
358             ShortcutInfo si =
359                     new ShortcutInfo.Builder(this, "new_transaction_" + p.getUuid()).setShortLabel(
360                             p.getName())
361                                                                                     .setIcon(
362                                                                                             Icon.createWithResource(
363                                                                                                     this,
364                                                                                                     R.drawable.svg_thick_plus_white))
365                                                                                     .setIntent(
366                                                                                             new Intent(
367                                                                                                     Intent.ACTION_VIEW,
368                                                                                                     null,
369                                                                                                     this,
370                                                                                                     NewTransactionActivity.class).putExtra(
371                                                                                                     "profile_uuid",
372                                                                                                     p.getUuid()))
373                                                                                     .setRank(i)
374                                                                                     .build();
375             shortcuts.add(si);
376             i++;
377         }
378         sm.setDynamicShortcuts(shortcuts);
379     }
380     private void onProfileListChanged(List<MobileLedgerProfile> newList) {
381         if (newList == null) {
382             // profiles not yet loaded from DB
383             findViewById(R.id.loading_layout).setVisibility(View.VISIBLE);
384             findViewById(R.id.no_profiles_layout).setVisibility(View.GONE);
385             findViewById(R.id.main_app_layout).setVisibility(View.GONE);
386             return;
387         }
388
389         if (newList.isEmpty()) {
390             findViewById(R.id.no_profiles_layout).setVisibility(View.VISIBLE);
391             findViewById(R.id.main_app_layout).setVisibility(View.GONE);
392             findViewById(R.id.loading_layout).setVisibility(View.GONE);
393             return;
394         }
395
396         findViewById(R.id.main_app_layout).setVisibility(View.VISIBLE);
397         findViewById(R.id.no_profiles_layout).setVisibility(View.GONE);
398         findViewById(R.id.loading_layout).setVisibility(View.GONE);
399
400         findViewById(R.id.nav_profile_list).setMinimumHeight(
401                 (int) (getResources().getDimension(R.dimen.thumb_row_height) * newList.size()));
402
403         debug("profiles", "profile list changed");
404         mProfileListAdapter.notifyDataSetChanged();
405
406         createShortcuts(newList);
407     }
408     /**
409      * called when the current profile has changed
410      */
411     private void onProfileChanged(MobileLedgerProfile profile) {
412         boolean haveProfile = profile != null;
413
414         if (haveProfile)
415             setTitle(profile.getName());
416         else
417             setTitle(R.string.app_name);
418
419         this.profile = profile;
420
421         int newProfileTheme = haveProfile ? profile.getThemeHue() : -1;
422         if (newProfileTheme != Colors.profileThemeId) {
423             debug("profiles",
424                     String.format(Locale.ENGLISH, "profile theme %d → %d", Colors.profileThemeId,
425                             newProfileTheme));
426             Colors.profileThemeId = newProfileTheme;
427             profileThemeChanged();
428             // profileThemeChanged would restart the activity, so no need to reload the
429             // data sets below
430             return;
431         }
432
433         findViewById(R.id.no_profiles_layout).setVisibility(haveProfile ? View.GONE : View.VISIBLE);
434         findViewById(R.id.pager_layout).setVisibility(haveProfile ? View.VISIBLE : View.VISIBLE);
435
436         mProfileListAdapter.notifyDataSetChanged();
437
438         drawer.closeDrawers();
439
440         Data.transactions.clear();
441         debug("transactions", "requesting list reload");
442         TransactionListViewModel.scheduleTransactionListReload();
443
444         Data.accounts.clear();
445         AccountSummaryViewModel.scheduleAccountListReload();
446
447         if (haveProfile) {
448             if (profile.isPostingPermitted()) {
449                 mToolbar.setSubtitle(null);
450                 fab.show();
451             }
452             else {
453                 mToolbar.setSubtitle(R.string.profile_subtitle_read_only);
454                 fab.hide();
455             }
456         }
457         else {
458             mToolbar.setSubtitle(null);
459             fab.hide();
460         }
461
462         updateLastUpdateTextFromDB();
463     }
464     private void updateLastUpdateDisplay(Date newValue) {
465         LinearLayout l = findViewById(R.id.transactions_last_update_layout);
466         TextView v = findViewById(R.id.transactions_last_update);
467         if (newValue == null) {
468             l.setVisibility(View.INVISIBLE);
469             debug("main", "no last update date :(");
470         }
471         else {
472             final String text = DateFormat.getDateTimeInstance()
473                                           .format(newValue);
474             v.setText(text);
475             l.setVisibility(View.VISIBLE);
476             debug("main", String.format("Date formatted: %s", text));
477         }
478
479         scheduleDataRetrievalIfStale(newValue);
480     }
481     private void profileThemeChanged() {
482         storeThemeIdInPrefs(profile.getThemeHue());
483
484         // un-hook all observed LiveData
485         Data.profile.removeObservers(this);
486         Data.profiles.removeObservers(this);
487         Data.lastUpdateDate.removeObservers(this);
488
489         recreate();
490     }
491     private void storeThemeIdInPrefs(int themeId) {
492         // store the new theme id in the preferences
493         SharedPreferences prefs = getPreferences(MODE_PRIVATE);
494         SharedPreferences.Editor e = prefs.edit();
495         e.putInt(PREF_THEME_ID, themeId);
496         e.apply();
497     }
498     public void startEditProfileActivity(MobileLedgerProfile profile) {
499         Intent intent = new Intent(this, ProfileDetailActivity.class);
500         Bundle args = new Bundle();
501         if (profile != null) {
502             int index = Data.getProfileIndex(profile);
503             if (index != -1)
504                 intent.putExtra(ProfileDetailFragment.ARG_ITEM_ID, index);
505         }
506         intent.putExtras(args);
507         startActivity(intent, args);
508     }
509     private void setupProfile() {
510         MLDB.getOption(MLDB.OPT_PROFILE_UUID, null, new GetOptCallback() {
511             @Override
512             protected void onResult(String profileUUID) {
513                 MobileLedgerProfile startupProfile;
514
515                 startupProfile = Data.getProfile(profileUUID);
516                 Data.setCurrentProfile(startupProfile);
517             }
518         });
519     }
520     public void fabNewTransactionClicked(View view) {
521         Intent intent = new Intent(this, NewTransactionActivity.class);
522         startActivity(intent);
523         overridePendingTransition(R.anim.slide_in_up, R.anim.dummy);
524     }
525     public void markDrawerItemCurrent(int id) {
526         TextView item = drawer.findViewById(id);
527         item.setBackgroundColor(Colors.tableRowDarkBG);
528
529         LinearLayout actions = drawer.findViewById(R.id.nav_actions);
530         for (int i = 0; i < actions.getChildCount(); i++) {
531             View view = actions.getChildAt(i);
532             if (view.getId() != id) {
533                 view.setBackgroundColor(Color.TRANSPARENT);
534             }
535         }
536     }
537     public void onAccountSummaryClicked(View view) {
538         drawer.closeDrawers();
539
540         showAccountSummaryFragment();
541     }
542     private void showAccountSummaryFragment() {
543         mViewPager.setCurrentItem(0, true);
544         Data.accountFilter.setValue(null);
545     }
546     public void onLatestTransactionsClicked(View view) {
547         drawer.closeDrawers();
548
549         showTransactionsFragment((String) null);
550     }
551     private void showTransactionsFragment(String accName) {
552         Data.accountFilter.setValue(accName);
553         mViewPager.setCurrentItem(1, true);
554     }
555     private void showTransactionsFragment(LedgerAccount account) {
556         showTransactionsFragment((account == null) ? null : account.getName());
557     }
558     public void showAccountTransactions(LedgerAccount account) {
559         mBackMeansToAccountList = true;
560         showTransactionsFragment(account);
561     }
562     @Override
563     public void onBackPressed() {
564         DrawerLayout drawer = findViewById(R.id.drawer_layout);
565         if (drawer.isDrawerOpen(GravityCompat.START)) {
566             drawer.closeDrawer(GravityCompat.START);
567         }
568         else {
569             if (mBackMeansToAccountList && (mViewPager.getCurrentItem() == 1)) {
570                 Data.accountFilter.setValue(null);
571                 showAccountSummaryFragment();
572                 mBackMeansToAccountList = false;
573             }
574             else {
575                 debug("fragments", String.format(Locale.ENGLISH, "manager stack: %d",
576                         getSupportFragmentManager().getBackStackEntryCount()));
577
578                 super.onBackPressed();
579             }
580         }
581     }
582     public void updateLastUpdateTextFromDB() {
583         if (profile == null)
584             return;
585
586         long last_update = profile.getLongOption(MLDB.OPT_LAST_SCRAPE, 0L);
587
588         debug("transactions", String.format(Locale.ENGLISH, "Last update = %d", last_update));
589         if (last_update == 0) {
590             Data.lastUpdateDate.postValue(null);
591         }
592         else {
593             Data.lastUpdateDate.postValue(new Date(last_update));
594         }
595     }
596     public void onStopTransactionRefreshClick(View view) {
597         debug("interactive", "Cancelling transactions refresh");
598         Data.stopTransactionsRetrieval();
599         bTransactionListCancelDownload.setEnabled(false);
600     }
601     public void onRetrieveDone(String error) {
602         Data.transactionRetrievalDone();
603         findViewById(R.id.transaction_progress_layout).setVisibility(View.GONE);
604
605         if (error == null) {
606             updateLastUpdateTextFromDB();
607
608             new RefreshDescriptionsTask().executeOnExecutor(AsyncTask.THREAD_POOL_EXECUTOR);
609             TransactionListViewModel.scheduleTransactionListReload();
610         }
611         else
612             Snackbar.make(mViewPager, error, Snackbar.LENGTH_LONG)
613                     .show();
614     }
615     public void onRetrieveStart() {
616         ProgressBar progressBar = findViewById(R.id.transaction_list_progress_bar);
617         bTransactionListCancelDownload.setEnabled(true);
618         ColorStateList csl = Colors.getColorStateList();
619         progressBar.setIndeterminateTintList(csl);
620         progressBar.setProgressTintList(csl);
621         progressBar.setIndeterminate(true);
622         if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N)
623             progressBar.setProgress(0, false);
624         else
625             progressBar.setProgress(0);
626         findViewById(R.id.transaction_progress_layout).setVisibility(View.VISIBLE);
627     }
628     public void onRetrieveProgress(RetrieveTransactionsTask.Progress progress) {
629         ProgressBar progressBar = findViewById(R.id.transaction_list_progress_bar);
630         if ((progress.getTotal() == RetrieveTransactionsTask.Progress.INDETERMINATE) ||
631             (progress.getTotal() == 0))
632         {
633             progressBar.setIndeterminate(true);
634         }
635         else {
636             if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
637                 progressBar.setMin(0);
638             }
639             progressBar.setMax(progress.getTotal());
640             if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N) {
641                 progressBar.setProgress(progress.getProgress(), true);
642             }
643             else
644                 progressBar.setProgress(progress.getProgress());
645             progressBar.setIndeterminate(false);
646         }
647     }
648     public void fabShouldShow() {
649         if ((profile != null) && profile.isPostingPermitted() && !drawer.isOpen())
650             fab.show();
651     }
652     public void fabHide() {
653         fab.hide();
654     }
655     public void onAccountSummaryRowViewClicked(View view) {
656         ViewGroup row;
657         if (view.getId() == R.id.account_expander)
658             row = (ViewGroup) view.getParent()
659                                   .getParent();
660         else
661             row = (ViewGroup) view.getParent();
662
663         LedgerAccount acc = (LedgerAccount) row.getTag();
664         switch (view.getId()) {
665             case R.id.account_row_acc_name:
666             case R.id.account_expander:
667             case R.id.account_expander_container:
668                 debug("accounts", "Account expander clicked");
669                 if (!acc.hasSubAccounts())
670                     return;
671
672                 boolean wasExpanded = acc.isExpanded();
673
674                 View arrow = row.findViewById(R.id.account_expander_container);
675
676                 arrow.clearAnimation();
677                 ViewPropertyAnimator animator = arrow.animate();
678
679                 acc.toggleExpanded();
680                 DbOpQueue.add("update accounts set expanded=? where name=? and profile=?",
681                         new Object[]{acc.isExpanded(), acc.getName(), profile.getUuid()
682                         });
683
684                 if (wasExpanded) {
685                     debug("accounts", String.format("Collapsing account '%s'", acc.getName()));
686                     arrow.setRotation(0);
687                     animator.rotationBy(180);
688
689                     // removing all child accounts from the view
690                     int start = -1, count = 0;
691                     try (LockHolder ignored = Data.accounts.lockForWriting()) {
692                         for (int i = 0; i < Data.accounts.size(); i++) {
693                             if (acc.isParentOf(Data.accounts.get(i))) {
694 //                                debug("accounts", String.format("Found a child '%s' at position
695 //                                %d",
696 //                                        Data.accounts.get(i).getName(), i));
697                                 if (start == -1) {
698                                     start = i;
699                                 }
700                                 count++;
701                             }
702                             else {
703                                 if (start != -1) {
704 //                                    debug("accounts",
705 //                                            String.format("Found a non-child '%s' at position %d",
706 //                                                    Data.accounts.get(i).getName(), i));
707                                     break;
708                                 }
709                             }
710                         }
711
712                         if (start != -1) {
713                             for (int j = 0; j < count; j++) {
714 //                                debug("accounts", String.format("Removing item %d: %s", start + j,
715 //                                        Data.accounts.get(start).getName()));
716                                 Data.accounts.removeQuietly(start);
717                             }
718
719                             mAccountSummaryFragment.modelAdapter.notifyItemRangeRemoved(start,
720                                     count);
721                         }
722                     }
723                 }
724                 else {
725                     debug("accounts", String.format("Expanding account '%s'", acc.getName()));
726                     arrow.setRotation(180);
727                     animator.rotationBy(-180);
728                     List<LedgerAccount> children = profile.loadVisibleChildAccountsOf(acc);
729                     try (LockHolder ignored = Data.accounts.lockForWriting()) {
730                         int parentPos = Data.accounts.indexOf(acc);
731                         if (parentPos != -1) {
732                             // may have disappeared in a concurrent refresh operation
733                             Data.accounts.addAllQuietly(parentPos + 1, children);
734                             mAccountSummaryFragment.modelAdapter.notifyItemRangeInserted(
735                                     parentPos + 1, children.size());
736                         }
737                     }
738                 }
739                 break;
740             case R.id.account_row_acc_amounts:
741                 if (acc.getAmountCount() > AccountSummaryAdapter.AMOUNT_LIMIT) {
742                     acc.toggleAmountsExpanded();
743                     DbOpQueue.add(
744                             "update accounts set amounts_expanded=? where name=? and profile=?",
745                             new Object[]{acc.amountsExpanded(), acc.getName(), profile.getUuid()
746                             });
747                     Data.accounts.triggerItemChangedNotification(acc);
748                 }
749                 break;
750         }
751     }
752
753     public class SectionsPagerAdapter extends FragmentPagerAdapter {
754
755         SectionsPagerAdapter(FragmentManager fm) {
756             super(fm, BEHAVIOR_RESUME_ONLY_CURRENT_FRAGMENT);
757         }
758
759         @NotNull
760         @Override
761         public Fragment getItem(int position) {
762             debug("main", String.format(Locale.ENGLISH, "Switching to fragment %d", position));
763             switch (position) {
764                 case 0:
765 //                    debug("flow", "Creating account summary fragment");
766                     return mAccountSummaryFragment = new AccountSummaryFragment();
767                 case 1:
768                     return new TransactionListFragment();
769                 default:
770                     throw new IllegalStateException(
771                             String.format("Unexpected fragment index: " + "%d", position));
772             }
773         }
774
775         @Override
776         public int getCount() {
777             return 2;
778         }
779     }
780 }