Show when codes are about to expire

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

@@ -153,6 +153,10 @@ public boolean isIconVisible() {
         return _prefs.getBoolean("pref_show_icons", true);
     }
 
+    public boolean getShowExpirationState() {
+        return _prefs.getBoolean("pref_expiration_state", true);
+    }
+
     public CodeGrouping getCodeGroupSize() {
         String value = _prefs.getString("pref_code_group_size_string", "GROUPING_THREES");
 

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

@@ -201,6 +201,7 @@ protected void onCreate(Bundle savedInstanceState) {
         _entryListView.setCodeGroupSize(_prefs.getCodeGroupSize());
         _entryListView.setAccountNamePosition(_prefs.getAccountNamePosition());
         _entryListView.setShowIcon(_prefs.isIconVisible());
+        _entryListView.setShowExpirationState(_prefs.getShowExpirationState());
         _entryListView.setOnlyShowNecessaryAccountNames(_prefs.onlyShowNecessaryAccountNames());
         _entryListView.setHighlightEntry(_prefs.isEntryHighlightEnabled());
         _entryListView.setPauseFocused(_prefs.isPauseFocusedEnabled());

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

@@ -60,6 +60,7 @@ public class EntryAdapter extends RecyclerView.Adapter<RecyclerView.ViewHolder>
     private Preferences.CodeGrouping _codeGroupSize;
     private AccountNamePosition _accountNamePosition;
     private boolean _showIcon;
+    private boolean _showExpirationState;
     private boolean _onlyShowNecessaryAccountNames;
     private boolean _highlightEntry;
     private boolean _tempHighlightEntry;
@@ -115,6 +116,10 @@ public void setShowIcon(boolean showIcon) {
         _showIcon = showIcon;
     }
 
+    public void setShowExpirationState(boolean showExpirationState) {
+        _showExpirationState = showExpirationState;
+    }
+
     public void setTapToReveal(boolean tapToReveal) {
         _tapToReveal = tapToReveal;
     }
@@ -348,6 +353,15 @@ public void refresh(boolean hard) {
             for (EntryHolder holder : _holders) {
                 holder.refresh();
                 holder.showIcon(_showIcon);
+                holder.setShowExpirationState(_showExpirationState);
+            }
+        }
+    }
+
+    public void startExpiringAnimation() {
+        for (EntryHolder holder : _holders) {
+            if(holder.getEntry().getInfo() instanceof TotpInfo) {
+                holder.updateExpirationState();
             }
         }
     }
@@ -539,7 +553,7 @@ public void onBindViewHolder(final RecyclerView.ViewHolder holder, int position)
             }
 
             AccountNamePosition accountNamePosition = showAccountName ? _accountNamePosition : AccountNamePosition.HIDDEN;
-            entryHolder.setData(entry, _codeGroupSize, _viewMode, accountNamePosition, _showIcon, showProgress, hidden, paused, dimmed);
+            entryHolder.setData(entry, _codeGroupSize, _viewMode, accountNamePosition, _showIcon, showProgress, hidden, paused, dimmed, _showExpirationState);
             entryHolder.setFocused(_selectedEntries.contains(entry));
             entryHolder.setShowDragHandle(isEntryDraggable(entry));
 

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

@@ -1,5 +1,7 @@
 package com.beemdevelopment.aegis.ui.views;
 
+import android.animation.ArgbEvaluator;
+import android.animation.ValueAnimator;
 import android.graphics.Paint;
 import android.graphics.Rect;
 import android.os.Handler;
@@ -35,6 +37,7 @@
 import com.beemdevelopment.aegis.vault.VaultEntry;
 import com.bumptech.glide.Glide;
 import com.google.android.material.card.MaterialCardView;
+import com.google.android.material.color.MaterialColors;
 
 public class EntryHolder extends RecyclerView.ViewHolder {
     private static final float DEFAULT_ALPHA = 1.0f;
@@ -66,6 +69,7 @@ public class EntryHolder extends RecyclerView.ViewHolder {
     private MaterialCardView _view;
 
     private UiRefresher _refresher;
+    private UiRefresher _expiringRefresher;
     private Handler _animationHandler;
 
     private Animation _scaleIn;
@@ -107,14 +111,72 @@ public long getMillisTillNextRefresh() {
                 return ((TotpInfo) _entry.getInfo()).getMillisTillNextRotation();
             }
         });
+
+        _expiringRefresher = new UiRefresher(new UiRefresher.Listener() {
+            @Override
+            public void onRefresh() {
+                updateExpirationState();
+            }
+
+            public long getMillisTillNextRefresh() {
+                long millisTillNextRotation = ((TotpInfo) _entry.getInfo()).getMillisTillNextRotation();
+                if (millisTillNextRotation > 7000) {
+                    stopExpirationAnimation();
+                    return millisTillNextRotation - 7000;
+                } else {
+                    return 1000;
+                }
+            }
+        });
+    }
+
+    public void updateExpirationState() {
+        long millisTillNextRotation = ((TotpInfo) _entry.getInfo()).getMillisTillNextRotation();
+        if (!_hidden && !_paused) {
+            if (millisTillNextRotation <= 7000) {
+                setExpirationColor();
+            }
+
+            if (millisTillNextRotation <= 3000) {
+                startExpirationAnimation();
+            }
+        }
+    }
+
+    private void setExpirationColor() {
+        int colorFrom = _profileCode.getCurrentTextColor();
+        int colorTo = MaterialColors.getColor(_profileCode, com.google.android.material.R.attr.colorError);
+
+        ValueAnimator colorAnimation = ValueAnimator.ofObject(new ArgbEvaluator(), colorFrom, colorTo);
+        colorAnimation.setDuration(300);
+        colorAnimation.addUpdateListener(animator -> _profileCode.setTextColor((int) animator.getAnimatedValue()));
+        colorAnimation.start();
     }
 
-    public void setData(VaultEntry entry, Preferences.CodeGrouping groupSize, ViewMode viewMode, AccountNamePosition accountNamePosition, boolean showIcon, boolean showProgress, boolean hidden, boolean paused, boolean dimmed) {
+
+    private void startExpirationAnimation() {
+        _profileCode.setAlpha(1f);
+
+        _profileCode.animate().alpha(0.5f).setDuration(500).withEndAction(() -> {
+            long animationDuration = Math.min(((TotpInfo) _entry.getInfo()).getMillisTillNextRotation(), 500);
+            _profileCode.animate().alpha(1f).setDuration(animationDuration).start();
+        }).start();
+    }
+
+    private void stopExpirationAnimation() {
+        int colorTo = MaterialColors.getColor(_profileCode, R.attr.colorCode);
+        _profileCode.setTextColor(colorTo);
+        _profileCode.clearAnimation();
+        _profileCode.setAlpha(1f);
+    }
+
+    public void setData(VaultEntry entry, Preferences.CodeGrouping groupSize, ViewMode viewMode, AccountNamePosition accountNamePosition, boolean showIcon, boolean showProgress, boolean hidden, boolean paused, boolean dimmed, boolean showExpirationState) {
         _entry = entry;
         _hidden = hidden;
         _paused = paused;
         _codeGrouping = groupSize;
         _viewMode = viewMode;
+
         _accountNamePosition = accountNamePosition;
         if (viewMode.equals(ViewMode.TILES) && _accountNamePosition == AccountNamePosition.END) {
             _accountNamePosition = AccountNamePosition.BELOW;
@@ -129,6 +191,7 @@ public void setData(VaultEntry entry, Preferences.CodeGrouping groupSize, ViewMo
 
         // only show the progress bar if there is no uniform period and the entry type is TotpInfo
         setShowProgress(showProgress);
+        setShowExpirationState(showExpirationState);
 
         // only show the button if this entry is of type HotpInfo
         _buttonRefresh.setVisibility(entry.getInfo() instanceof HotpInfo ? View.VISIBLE : View.GONE);
@@ -258,6 +321,7 @@ public void setFocusedAndAnimate(boolean focused) {
 
     public void destroy() {
         _refresher.destroy();
+        _expiringRefresher.destroy();
     }
 
     public void startRefreshLoop() {
@@ -270,6 +334,14 @@ public void stopRefreshLoop() {
         _progressBar.stop();
     }
 
+    public void startExpirationStateLoop() {
+        _expiringRefresher.start();
+    }
+
+    public void stopExpirationStateLoop() {
+        _expiringRefresher.stop();
+    }
+
     public void refresh() {
         _progressBar.restart();
         refreshCode();
@@ -278,6 +350,8 @@ public void refresh() {
     public void refreshCode() {
         if (!_hidden && !_paused) {
             updateCode();
+
+            stopExpirationAnimation();
         }
     }
 
@@ -395,6 +469,18 @@ public void showIcon(boolean show) {
         }
     }
 
+    public void setShowExpirationState(boolean showExpirationState) {
+        if (_entry.getInfo() instanceof HotpInfo) {
+            showExpirationState = false;
+        }
+
+        if (showExpirationState) {
+            startExpirationStateLoop();
+        } else {
+            stopExpirationStateLoop();
+        }
+    }
+
     public boolean isHidden() {
         return _hidden;
     }

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

@@ -71,10 +71,12 @@ public class EntryListView extends Fragment implements EntryAdapter.Listener {
     private ViewPreloadSizeProvider<VaultEntry> _preloadSizeProvider;
     private TotpProgressBar _progressBar;
     private boolean _showProgress;
+    private boolean _showExpirationState;
     private ViewMode _viewMode;
     private LinearLayout _emptyStateView;
 
     private UiRefresher _refresher;
+    private UiRefresher _expiringRefresher;
 
     @Override
     public void onCreate(Bundle savedInstanceState) {
@@ -150,6 +152,23 @@ public long getMillisTillNextRefresh() {
             }
         });
 
+        _expiringRefresher = new UiRefresher(new UiRefresher.Listener() {
+            @Override
+            public void onRefresh() {
+                _adapter.startExpiringAnimation();
+            }
+
+            @Override
+            public long getMillisTillNextRefresh() {
+                long millisTillNextRotation = TotpInfo.getMillisTillNextRotation(_adapter.getMostFrequentPeriod());
+                if (millisTillNextRotation > 7000) {
+                    return millisTillNextRotation - 7000;
+                } else {
+                    return 1000;
+                }
+            }
+        });
+
         _emptyStateView = view.findViewById(R.id.vEmptyList);
         return view;
     }
@@ -161,6 +180,7 @@ public void setPreloadView(View view) {
     @Override
     public void onDestroyView() {
         _refresher.destroy();
+        _expiringRefresher.destroy();
         super.onDestroyView();
     }
 
@@ -335,10 +355,18 @@ public void onPeriodUniformityChanged(boolean isUniform, int period) {
             _progressBar.setPeriod(period);
             _progressBar.start();
             _refresher.start();
+
+            if(_showExpirationState) {
+                _expiringRefresher.start();
+            }
         } else {
             _progressBar.setVisibility(View.GONE);
             _progressBar.stop();
             _refresher.stop();
+
+            if(_showExpirationState) {
+                _expiringRefresher.stop();
+            }
         }
     }
 
@@ -365,6 +393,11 @@ public void setShowIcon(boolean showIcon) {
         _adapter.setShowIcon(showIcon);
     }
 
+    public void setShowExpirationState(boolean showExpirationState) {
+        _showExpirationState = showExpirationState;
+        _adapter.setShowExpirationState(showExpirationState);
+    }
+
     public void setHighlightEntry(boolean highlightEntry) {
         _adapter.setHighlightEntry(highlightEntry);
     }

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

@@ -48,6 +48,8 @@
     <string name="pref_code_group_size_title">Code digit grouping</string>
     <string name="pref_code_group_size_summary">Select number of digits to group codes by</string>
     <string name="pref_account_name_position_title">Show the account name</string>
+    <string name="pref_expiration_state_title">Show when codes are about to expire</string>
+    <string name="pref_expiration_state_summary">Change the color of the code and have the codes blink when they are about to expire</string>
     <string name="pref_shared_issuer_account_name_title">Only show account name when necessary</string>
     <string name="pref_shared_issuer_account_name_summary">Only show account names whenever they share the same issuer. Other account names will be hidden.</string>
     <string name="pref_account_name_position_summary_override">This setting is overridden by the tiles view mode. Account name will be shown below the issuer.</string>

app/src/main/res/xml/preferences_appearance.xml

@@ -41,6 +41,13 @@
             android:summary="@string/pref_show_icons_summary"
             app:iconSpaceReserved="false"/>
 
+        <androidx.preference.SwitchPreferenceCompat
+            android:defaultValue="true"
+            android:key="pref_expiration_state"
+            android:title="@string/pref_expiration_state_title"
+            android:summary="@string/pref_expiration_state_summary"
+            app:iconSpaceReserved="false"/>
+
         <Preference
             android:key="pref_code_group_size_string"
             android:title="@string/pref_code_group_size_title"