Add haptic feedback toggle for code refresh

app/src/main/AndroidManifest.xml

@@ -4,6 +4,7 @@
 
     <uses-permission android:name="android.permission.CAMERA" />
     <uses-permission android:name="android.permission.USE_BIOMETRIC" />
+    <uses-permission android:name="android.permission.VIBRATE" />
 
     <!-- NOTE: Disabled for now. See issue: #1047
     <uses-permission android:name="android.permission.POST_NOTIFICATIONS" />

app/src/main/java/com/beemdevelopment/aegis/Preferences.java

@@ -90,6 +90,10 @@ public boolean isEntryHighlightEnabled() {
         return _prefs.getBoolean("pref_highlight_entry", false);
     }
 
+    public boolean isHapticFeedbackEnabled() {
+        return _prefs.getBoolean("pref_haptic_feedback", true);
+    }
+
     public boolean isPauseFocusedEnabled() {
         boolean dependenciesEnabled = isTapToRevealEnabled() || isEntryHighlightEnabled();
         if (!dependenciesEnabled) return false;

app/src/main/java/com/beemdevelopment/aegis/VibrationPatterns.java

@@ -0,0 +1,12 @@
+package com.beemdevelopment.aegis;
+
+import java.util.Arrays;
+
+public class VibrationPatterns {
+    public static final long[] EXPIRING = {475, 20, 5, 20, 965, 20, 5, 20, 965, 20, 5, 20, 420};
+    public static final long[] REFRESH_CODE = {0, 100};
+
+    public static long getLengthInMillis(long[] pattern) {
+        return Arrays.stream(pattern).sum();
+    }
+}

app/src/main/java/com/beemdevelopment/aegis/helpers/UiRefresher.java

@@ -2,6 +2,8 @@
 
 import android.os.Handler;
 
+import com.beemdevelopment.aegis.VibrationPatterns;
+
 public class UiRefresher {
     private boolean _running;
     private Listener _listener;
@@ -23,14 +25,34 @@ public void start() {
         }
         _running = true;
 
-        _listener.onRefresh();
         _handler.postDelayed(new Runnable() {
             @Override
             public void run() {
                 _listener.onRefresh();
                 _handler.postDelayed(this, _listener.getMillisTillNextRefresh());
             }
         }, _listener.getMillisTillNextRefresh());
+
+        _handler.postDelayed(new Runnable() {
+            @Override
+            public void run() {
+                _listener.onExpiring();
+                _handler.postDelayed(this, getNextRun());
+            }
+        },  getInitialRun());
+    }
+
+    private long getInitialRun() {
+        long sum = _listener.getMillisTillNextRefresh() - VibrationPatterns.getLengthInMillis(VibrationPatterns.EXPIRING);
+        if (sum < 0) {
+            return getNextRun();
+        }
+
+        return sum;
+    }
+
+    private long getNextRun() {
+        return (_listener.getMillisTillNextRefresh() + _listener.getPeriodMillis()) - VibrationPatterns.getLengthInMillis(VibrationPatterns.EXPIRING);
     }
 
     public void stop() {
@@ -40,6 +62,8 @@ public void stop() {
 
     public interface Listener {
         void onRefresh();
+        void onExpiring();
         long getMillisTillNextRefresh();
+        long getPeriodMillis();
     }
 }

app/src/main/java/com/beemdevelopment/aegis/helpers/VibrationHelper.java

@@ -0,0 +1,44 @@
+package com.beemdevelopment.aegis.helpers;
+
+import android.content.Context;
+import android.os.Build;
+import android.os.VibrationEffect;
+import android.os.Vibrator;
+import android.os.VibratorManager;
+
+import com.beemdevelopment.aegis.Preferences;
+
+public class VibrationHelper {
+    private Preferences _preferences;
+
+    public VibrationHelper(Context context) {
+        _preferences = new Preferences(context);
+    }
+
+    public void vibratePattern(Context context, long[] pattern) {
+        if (!isHapticFeedbackEnabled()) {
+            return;
+        }
+
+        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.S) {
+            VibratorManager vibratorManager = (VibratorManager) context.getSystemService(Context.VIBRATOR_MANAGER_SERVICE);
+            if (vibratorManager != null) {
+                Vibrator vibrator = vibratorManager.getDefaultVibrator();
+                VibrationEffect effect = VibrationEffect.createWaveform(pattern, -1);
+                vibrator.vibrate(effect);
+            }
+        } else {
+            Vibrator vibrator = (Vibrator) context.getSystemService(Context.VIBRATOR_SERVICE);
+            if (vibrator != null) {
+                if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
+                    VibrationEffect effect = VibrationEffect.createWaveform(pattern, -1);
+                    vibrator.vibrate(effect);
+                }
+            }
+        }
+    }
+
+    public boolean isHapticFeedbackEnabled() {
+        return _preferences.isHapticFeedbackEnabled();
+    }
+}

app/src/main/java/com/beemdevelopment/aegis/ui/MainActivity.java

@@ -893,6 +893,13 @@ private void handleIncomingIntent() {
         }
     }
 
+    @Override
+    protected void onStop() {
+        super.onStop();
+
+        _entryListView.onRefreshStop();
+    }
+
     @Override
     protected void onStart() {
         super.onStart();
@@ -944,14 +951,18 @@ protected void onStart() {
 
             // refresh all codes to prevent showing old ones
             _entryListView.refresh(false);
+
+            _entryListView.onRefreshStart();
         } else {
             loadEntries();
             checkTimeSyncSetting();
             checkIconOptimization();
+
+            _entryListView.onRefreshStart();
         }
 
         _lockBackPressHandler.setEnabled(
-                _vaultManager.isAutoLockEnabled(Preferences.AUTO_LOCK_ON_BACK_BUTTON)
+            _vaultManager.isAutoLockEnabled(Preferences.AUTO_LOCK_ON_BACK_BUTTON)
         );
 
         handleIncomingIntent();

app/src/main/java/com/beemdevelopment/aegis/ui/views/EntryHolder.java

@@ -67,7 +67,6 @@ public class EntryHolder extends RecyclerView.ViewHolder {
 
     private boolean _hidden;
     private boolean _paused;
-
     private TotpProgressBar _progressBar;
     private MaterialCardView _view;
 
@@ -111,14 +110,22 @@ public void onRefresh() {
                 refreshCode();
             }
 
+            @Override
+            public void onExpiring() { }
+
             @Override
             public long getMillisTillNextRefresh() {
                 return ((TotpInfo) _entry.getInfo()).getMillisTillNextRotation();
             }
+
+            @Override
+            public long getPeriodMillis() {
+                return ((TotpInfo) _entry.getInfo()).getPeriod() * 1000L;
+            }
         });
     }
 
-    public void setData(VaultEntry entry, Preferences.CodeGrouping groupSize, ViewMode viewMode, AccountNamePosition accountNamePosition, boolean showIcon, boolean showProgress, boolean hidden, boolean paused, boolean dimmed, boolean showExpirationState, boolean showNextCode) {
+    public void setData(VaultEntry entry, Preferences.CodeGrouping groupSize, ViewMode viewMode, AccountNamePosition accountNamePosition, boolean showIcon, boolean nonUniform, boolean hidden, boolean paused, boolean dimmed, boolean showExpirationState, boolean showNextCode) {
         _entry = entry;
         _hidden = hidden;
         _paused = paused;
@@ -140,7 +147,7 @@ public void setData(VaultEntry entry, Preferences.CodeGrouping groupSize, ViewMo
         _favoriteIndicator.setVisibility(_entry.isFavorite() ? View.VISIBLE : View.INVISIBLE);
 
         // only show the progress bar if there is no uniform period and the entry type is TotpInfo
-        setShowProgress(showProgress);
+        setShowProgress(nonUniform);
 
         // only show the button if this entry is of type HotpInfo
         _buttonRefresh.setVisibility(entry.getInfo() instanceof HotpInfo ? View.VISIBLE : View.GONE);

app/src/main/java/com/beemdevelopment/aegis/ui/views/EntryListView.java

@@ -33,11 +33,13 @@
 import com.beemdevelopment.aegis.Preferences;
 import com.beemdevelopment.aegis.R;
 import com.beemdevelopment.aegis.SortCategory;
+import com.beemdevelopment.aegis.VibrationPatterns;
 import com.beemdevelopment.aegis.ViewMode;
 import com.beemdevelopment.aegis.helpers.AnimationsHelper;
 import com.beemdevelopment.aegis.helpers.MetricsHelper;
 import com.beemdevelopment.aegis.helpers.SimpleItemTouchHelperCallback;
 import com.beemdevelopment.aegis.helpers.UiRefresher;
+import com.beemdevelopment.aegis.helpers.VibrationHelper;
 import com.beemdevelopment.aegis.otp.TotpInfo;
 import com.beemdevelopment.aegis.ui.glide.GlideHelper;
 import com.beemdevelopment.aegis.ui.models.ErrorCardInfo;
@@ -66,13 +68,13 @@ public class EntryListView extends Fragment implements EntryAdapter.Listener {
     private Listener _listener;
     private SimpleItemTouchHelperCallback _touchCallback;
     private ItemTouchHelper _touchHelper;
+    private VibrationHelper _vibrationHelper;
 
     private RecyclerView _recyclerView;
     private RecyclerView.ItemDecoration _itemDecoration;
     private ViewPreloadSizeProvider<VaultEntry> _preloadSizeProvider;
     private TotpProgressBar _progressBar;
     private boolean _showProgress;
-    private boolean _showExpirationState;
     private ViewMode _viewMode;
     private LinearLayout _emptyStateView;
 
@@ -95,6 +97,7 @@ public void onDestroy() {
     public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
         View view = inflater.inflate(R.layout.fragment_entry_list_view, container, false);
         _progressBar = view.findViewById(R.id.progressBar);
+        _vibrationHelper = new VibrationHelper(getContext());
 
         // set up the recycler view
         _recyclerView = view.findViewById(R.id.rvKeyProfiles);
@@ -144,12 +147,23 @@ public int getSpanSize(int position) {
             @Override
             public void onRefresh() {
                 refresh(false);
+                 _vibrationHelper.vibratePattern(getContext(), VibrationPatterns.REFRESH_CODE);
+            }
+
+            @Override
+            public void onExpiring() {
+                _vibrationHelper.vibratePattern(getContext(), VibrationPatterns.EXPIRING);
             }
 
             @Override
             public long getMillisTillNextRefresh() {
                 return TotpInfo.getMillisTillNextRotation(_adapter.getMostFrequentPeriod());
             }
+
+            @Override
+            public long getPeriodMillis() {
+                return _adapter.getMostFrequentPeriod() * 1000L;
+            }
         });
 
         final int rvInitialPaddingLeft = _recyclerView.getPaddingLeft();
@@ -191,6 +205,16 @@ public void onDestroyView() {
         super.onDestroyView();
     }
 
+    public void onRefreshStop() {
+        _refresher.stop();
+    }
+
+    public void onRefreshStart() {
+        if (_adapter.getMostFrequentPeriod() != -1){
+            _refresher.start();
+        }
+    }
+
     public void setGroups(Collection<VaultGroup> groups) {
         _adapter.setGroups(groups);
         updateDividerDecoration();
@@ -353,11 +377,11 @@ public void onPeriodUniformityChanged(boolean isUniform, int period) {
             _progressBar.setVisibility(View.VISIBLE);
             _progressBar.setPeriod(period);
             _progressBar.start();
-            _refresher.start();
+            onRefreshStart();
         } else {
             _progressBar.setVisibility(View.GONE);
             _progressBar.stop();
-            _refresher.stop();
+            onRefreshStop();
         }
     }
 
@@ -389,7 +413,6 @@ public void setShowNextCode(boolean showNextCode) {
     }
 
     public void setShowExpirationState(boolean showExpirationState) {
-        _showExpirationState = showExpirationState;
         _adapter.setShowExpirationState(showExpirationState);
     }
 

app/src/main/res/values/strings.xml

@@ -373,6 +373,8 @@
     <string name="note" comment="Users can add a note to an entry">Note</string>
     <string name="clear">Clear</string>
 
+    <string name="pref_haptic_feedback_summary">Make your device vibrate when codes are refreshing</string>
+    <string name="pref_haptic_feedback_title">Haptic feedback</string>
     <string name="pref_highlight_entry_title">Highlight tokens when tapped</string>
     <string name="pref_highlight_entry_summary">Make tokens easier to distinguish from each other by temporarily highlighting them when tapped</string>
     <string name="pref_minimize_on_copy_title">Minimize on copy</string>

app/src/main/res/xml/preferences_behavior.xml

@@ -26,6 +26,13 @@
         android:title="@string/pref_copy_behavior_title"
         app:iconSpaceReserved="false"/>
 
+    <androidx.preference.SwitchPreferenceCompat
+        android:defaultValue="true"
+        android:key="pref_haptic_feedback"
+        android:title="@string/pref_haptic_feedback_title"
+        android:summary="@string/pref_haptic_feedback_summary"
+        app:iconSpaceReserved="false"/>
+
     <androidx.preference.SwitchPreferenceCompat
         android:defaultValue="false"
         android:key="pref_highlight_entry"