From df8e7a01e0e69c2a8463a27096d4d3c33b1f6b46 Mon Sep 17 00:00:00 2001
From: Matej Drobnič
Date: Mon, 29 Sep 2025 00:56:23 +0200
Subject: Make history duration configurable (#1074)

---
 res/values/arrays.xml                             | 12 ++++++++++++
 res/values/strings.xml                            |  6 ++++++
 res/xml/settings.xml                              |  3 +++
 srcs/juloo.keyboard2/ClipboardHistoryService.java | 14 +++++++++++---
 srcs/juloo.keyboard2/Config.java                  |  2 ++
 5 files changed, 34 insertions(+), 3 deletions(-)

diff --git a/res/values/arrays.xml b/res/values/arrays.xml
index cd12337..56015e9 100644
--- a/res/values/arrays.xml
+++ b/res/values/arrays.xml
@@ -106,4 +106,16 @@
     <item>30</item>
     <item>15</item>
   </string-array>
+    <string-array name="pref_clipboard_duration_entries">
+        <item>@string/pref_clipboard_history_duration_1</item>
+        <item>@string/pref_clipboard_history_duration_5</item>
+        <item>@string/pref_clipboard_history_duration_30</item>
+        <item>@string/pref_clipboard_history_duration_stop</item>
+    </string-array>
+    <string-array name="pref_clipboard_duration_values">
+        <item>1</item>
+        <item>5</item>
+        <item>30</item>
+        <item>-1</item>
+    </string-array>
 </resources>
diff --git a/res/values/strings.xml b/res/values/strings.xml
index 988ecaa..05e9160 100644
--- a/res/values/strings.xml
+++ b/res/values/strings.xml
@@ -140,4 +140,10 @@
     <string name="clipboard_remove_confirm">Remove this clipboard item?</string>
     <string name="clipboard_remove_confirmed">Yes</string>
     <string name="toast_no_voice_input">No voice typing app installed</string>
+    <string name="pref_category_clipboard">Clipboard</string>
+    <string name="pref_clipboard_history_duration">Clipboard memory duration</string>
+    <string name="pref_clipboard_history_duration_1">At most 1 minute</string>
+    <string name="pref_clipboard_history_duration_5">At most 5 minutes</string>
+    <string name="pref_clipboard_history_duration_30">At most 30 minutes</string>
+    <string name="pref_clipboard_history_duration_stop">Until the app stops</string>
 </resources>
diff --git a/res/xml/settings.xml b/res/xml/settings.xml
index 22dbef2..c96f546 100644
--- a/res/xml/settings.xml
+++ b/res/xml/settings.xml
@@ -59,4 +59,7 @@
     <juloo.keyboard2.prefs.IntSlideBarPreference android:key="custom_border_radius" android:title="@string/pref_corners_radius_title" android:summary="%s%%" android:defaultValue="0" min="0" max="100" android:dependency="border_config"/>
     <juloo.keyboard2.prefs.SlideBarPreference android:key="custom_border_line_width" android:title="@string/pref_border_width_title" android:summary="%sdp" android:defaultValue="0" min="0" max="5" android:dependency="border_config"/>
   </PreferenceCategory>
+  <PreferenceCategory android:title="@string/pref_category_clipboard">
+    <ListPreference android:key="clipboard_history_duration" android:title="@string/pref_clipboard_history_duration" android:summary="%s" android:defaultValue="5" android:entries="@array/pref_clipboard_duration_entries" android:entryValues="@array/pref_clipboard_duration_values" />
+   </PreferenceCategory>
 </PreferenceScreen>
diff --git a/srcs/juloo.keyboard2/ClipboardHistoryService.java b/srcs/juloo.keyboard2/ClipboardHistoryService.java
index 9554bca..27e2eb9 100644
--- a/srcs/juloo.keyboard2/ClipboardHistoryService.java
+++ b/srcs/juloo.keyboard2/ClipboardHistoryService.java
@@ -7,6 +7,7 @@ import android.os.Build.VERSION;
 import java.util.ArrayList;
 import java.util.Iterator;
 import java.util.List;
+import java.util.concurrent.TimeUnit;
 
 public final class ClipboardHistoryService
 {
@@ -50,8 +51,6 @@ public final class ClipboardHistoryService
       gives a sense to the user that the history is not persisted and can be
       forgotten as soon as the app stops. */
   public static final int MAX_HISTORY_SIZE = 6;
-  /** Time in ms until history entries expire. */
-  public static final long HISTORY_TTL_MS = 5 * 60 * 1000;
 
   static ClipboardHistoryService _service = null;
   static ClipboardPasteCallback _paste_callback = null;
@@ -150,6 +149,10 @@ public final class ClipboardHistoryService
     }
   }
 
+  int get_history_ttl_minutes() {
+    return Config.globalConfig().clipboard_history_duration;
+  }
+
   final class SystemListener implements ClipboardManager.OnPrimaryClipChangedListener
   {
     public SystemListener() {}
@@ -171,7 +174,12 @@ public final class ClipboardHistoryService
     public HistoryEntry(String c)
     {
       content = c;
-      expiry_timestamp = System.currentTimeMillis() + HISTORY_TTL_MS;
+        final int historyTtlMinutes = _service.get_history_ttl_minutes();
+        if (historyTtlMinutes >= 0) {
+            expiry_timestamp = System.currentTimeMillis() + TimeUnit.MINUTES.toMillis(historyTtlMinutes);
+        } else {
+            expiry_timestamp = Long.MAX_VALUE;
+        }
     }
   }
 
diff --git a/srcs/juloo.keyboard2/Config.java b/srcs/juloo.keyboard2/Config.java
index dbdd877..b3eadf5 100644
--- a/srcs/juloo.keyboard2/Config.java
+++ b/srcs/juloo.keyboard2/Config.java
@@ -70,6 +70,7 @@ public final class Config
   public boolean borderConfig;
   public int circle_sensitivity;
   public boolean clipboard_history_enabled;
+  public int clipboard_history_duration;
 
   // Dynamically set
   public boolean shouldOfferVoiceTyping;
@@ -181,6 +182,7 @@ public final class Config
     current_layout_wide = _prefs.getInt("current_layout_landscape", 0);
     circle_sensitivity = Integer.valueOf(_prefs.getString("circle_sensitivity", "2"));
     clipboard_history_enabled = _prefs.getBoolean("clipboard_history_enabled", false);
+    clipboard_history_duration = Integer.parseInt(_prefs.getString("clipboard_history_duration", "5"));
 
     float screen_width_dp = dm.widthPixels / dm.density;
     wide_screen = screen_width_dp >= WIDE_DEVICE_THRESHOLD;
-- 
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