Add %app% and %package% filename placeholders for foreground app info

app/src/main/java/com/github/cvzi/screenshottile/services/ScreenshotAccessibilityService.kt

@@ -174,6 +174,12 @@ class ScreenshotAccessibilityService : AccessibilityService() {
     private var packageFilterMode = PackageNameFilterMode.BLACKLIST
     private val packageFilterNameList: HashSet<String> = HashSet()
     private var lastPackageName: CharSequence = ""
+
+    /**
+     * Get the package name of the last foreground application
+     */
+    fun getForegroundPackageName(): String = lastPackageName.toString()
+
     private var prefManager = App.getInstance().prefManager
     private var lastClickTime = 0L
     private val doubleClickThreshold = 300L // milliseconds
@@ -1035,12 +1041,17 @@ class ScreenshotAccessibilityService : AccessibilityService() {
     }
 
     override fun onAccessibilityEvent(event: AccessibilityEvent) {
-        if (packageFilterEnabled &&
-            event.isFullScreen &&
+        if (event.isFullScreen &&
             event.eventType == AccessibilityEvent.TYPE_WINDOW_STATE_CHANGED &&
             event.packageName != lastPackageName
         ) {
-            lastPackageName = event.packageName
+            if (event.packageName != packageName) {
+                lastPackageName = event.packageName
+            }
+
+            if (!packageFilterEnabled) {
+                return
+            }
 
             if (packageFilterTempForceShow) {
                 // Temporary show floating button despite filter until the next app change but at least 60s

app/src/main/java/com/github/cvzi/screenshottile/utils/Utils.kt

@@ -451,9 +451,93 @@ fun formatFileName(fileNamePattern: String, date: Date): String {
     while (fileName.contains("%random%")) {
         fileName = fileName.replaceFirst("%random%", UUID.randomUUID().toString())
     }
+    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.P && (fileName.contains("%app%") || fileName.contains("%package%"))) {
+        val service = ScreenshotAccessibilityService.instance
+        val packageName = service?.getForegroundPackageName() ?: ""
+        fileName = fileName.replace("%package%", sanitizeFilename(packageName))
+        if (fileName.contains("%app%")) {
+            val appLabel = resolveAppLabel(packageName)
+            fileName = fileName.replace("%app%", sanitizeFilename(appLabel))
+        }
+    }
     return fileName
 }
 
+private fun resolveAppLabel(packageName: String): String {
+    if (packageName.isBlank()) {
+        return ""
+    }
+
+    val context = App.getInstance()
+    val pm = context.packageManager
+
+    // Try launcher activity
+    try {
+        val launchIntent = pm.getLaunchIntentForPackage(packageName)
+        if (launchIntent != null) {
+            val resolveInfo = if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.TIRAMISU) {
+                pm.resolveActivity(
+                    launchIntent,
+                    PackageManager.ResolveInfoFlags.of(0)
+                )
+            } else {
+                @Suppress("DEPRECATION")
+                pm.resolveActivity(launchIntent, 0)
+            }
+
+            resolveInfo?.let {
+                val label = it.loadLabel(pm)?.toString()
+                if (!label.isNullOrBlank()) {
+                    return label
+                }
+            }
+        }
+    } catch (_: Exception) {
+        // no-op
+    }
+
+    // Try ApplicationInfo
+    try {
+        val appInfo = if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.TIRAMISU) {
+            pm.getApplicationInfo(
+                packageName,
+                PackageManager.ApplicationInfoFlags.of(0)
+            )
+        } else {
+            @Suppress("DEPRECATION")
+            pm.getApplicationInfo(packageName, 0)
+        }
+
+        val label = pm.getApplicationLabel(appInfo)?.toString()
+        if (!label.isNullOrBlank()) {
+            return label
+        }
+    } catch (_: Exception) {
+        // no-op
+    }
+
+    // Fallback
+    return shortPackageName(packageName)
+}
+
+/**
+ * Get last part of package name
+ */
+private fun shortPackageName(pkg: String): String {
+    val parts = pkg.split('.')
+    return when {
+        parts.size >= 2 -> parts.takeLast(2).joinToString(".")
+        else -> pkg
+    }
+}
+
+/**
+ * Remove characters that are not allowed in filenames
+ */
+private fun sanitizeFilename(name: String): String {
+    return name.replace(Regex("[\\\\/:*?\"<>|]"), "_")
+}
+
 /**
  * Cut cutOutRect from bitmap and return new bitmap,
  * return old bitmap if cutOutRect is null or malformed

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

@@ -62,7 +62,9 @@
     <string name="setting_file_name_placeholders" formatted="false"><![CDATA[%timestamp% - time as yyyy-MM-dd_HH-mm-ss\n
 %counter% - counts the number of screenshots\n
 %random% - a random UUID\n
-%randint% - a random number]]></string>
+%randint% - a random number\n
+%app% - name of the foreground app\n
+%package% - package name of the foreground app]]></string>
     <string name="setting_tile_action">Tile action</string>
     <string name="setting_tile_long_press_action">Tile long-press action</string>
     <string name="setting_floating_action">Floating button action</string>

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

@@ -62,7 +62,9 @@
     <string name="setting_file_name_placeholders" formatted="false"><![CDATA[%timestamp% - время в формате yyyy-MM-dd_HH-mm-ss\n
 %counter% - подсчет количества снимков экрана\n
 %random% - случайный UUID\n
-%randint% - случайное число]]></string>
+%randint% - случайное число\n
+%app% - название приложения на переднем плане\n
+%package% - имя пакета приложения на переднем плане]]></string>
     <string name="setting_tile_action">Действие плитки</string>
     <string name="setting_tile_long_press_action">Действие при длительном нажатии на плитку</string>
     <string name="setting_floating_action">Действие плавающей кнопки</string>

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

@@ -62,7 +62,9 @@
     <string name="setting_file_name_placeholders" formatted="false">&#x200c;<![CDATA[%timestamp% - time as yyyy-MM-dd_HH-mm-ss\n
 %counter% - counts the number of screenshots\n
 %random% - a random UUID\n
-%randint% - a random number]]></string>
+%randint% - a random number\n
+%app% - name of the foreground app\n
+%package% - package name of the foreground app]]></string>
     <string name="setting_tile_action">&#x200c;Tile action</string>
     <string name="setting_tile_long_press_action">&#x200c;Tile long-press action</string>
     <string name="setting_floating_action">&#x200c;Floating button action</string>