Fix notification centre icons and dismissal

docs/widgets.md

@@ -53,6 +53,15 @@ border, so they read against the panel in any theme. An active tile takes the
 accent colour. The Wallpaper tile opens `blob.displays`, the Theme tile opens
 `blob theme menu`.
 
+## Notification centre
+
+`blob.notification-center` lists the notification history, newest first. A
+toast that expires unseen moves into history; a toast you close or click is
+deleted instead, so the centre only holds what you missed. The x on an entry
+removes it through `blob-shell notifications remove <file>`, the bell button
+toggles silencing, and the trash button clears the whole history with
+`blob-shell notifications clear`.
+
 ## Deliberately not ported
 
 The tiles still poll shell commands the way the GTK widgets did - `pamixer` for

shell/plugins/notification-center/HistoryModel.js

@@ -1,18 +1,23 @@
 .pragma library
 
-// Each history file is one line of JSON, so the reader concatenates the
+// Each history file is one line of JSON, and the reader prefixes every line
-// directory and parses line by line. Newest first, by timestamp.
+// with the file's name and a tab so an entry can be removed later. Newest
+// first, by timestamp.
 function parseHistory(raw) {
   var lines = String(raw || "").split("\n")
   var entries = []
   for (var i = 0; i < lines.length; i++) {
     var line = lines[i].trim()
     if (!line) continue
+    var tab = line.indexOf("\t")
+    var fileName = tab >= 0 ? line.slice(0, tab) : ""
+    var json = tab >= 0 ? line.slice(tab + 1) : line
     try {
-      var value = JSON.parse(line)
+      var value = JSON.parse(json)
       if (!value || typeof value !== "object") continue
       entries.push({
         id: value.id || 0,
+        fileName: fileName,
         app: value.app || "",
         summary: value.summary || "",
         body: value.body || "",

shell/plugins/notification-center/NotificationCenter.qml

@@ -45,8 +45,9 @@ Item {
   }
 
   function clearAll() {
-    root.run("blob-shell notifications clearHistory")
+    root.run("blob-shell notifications clear")
     root.entries = []
+    refreshTimer.restart()
   }
 
   function toggleSilence() {
@@ -57,16 +58,19 @@ Item {
   function dismissEntry(index) {
     var entry = root.entries[index]
     if (!entry) return
-    root.run("blob-notify-dismiss " + entry.id)
+    root.run("blob-shell notifications remove " + Util.shellQuote(entry.fileName))
     var next = []
     for (var i = 0; i < root.entries.length; i++)
       if (i !== index) next.push(root.entries[i])
     root.entries = next
+    refreshTimer.restart()
   }
 
   Process {
     id: historyProbe
-    command: ["bash", "-c", "cat " + root.historyDir + "/*.json 2>/dev/null || true"]
+    command: ["bash", "-c",
+      "for f in \"$1\"/*.json; do [[ -e $f ]] || continue; printf '%s\\t' \"${f##*/}\"; awk 1 \"$f\"; done",
+      "--", root.historyDir]
     stdout: StdioCollector {
       onStreamFinished: root.entries = HistoryModel.parseHistory(text)
     }
@@ -139,13 +143,13 @@ Item {
           spacing: Style.spaceReal(4)
 
           CardIconButton {
-            icon: root.doNotDisturb ? "" : ""
+            icon: root.doNotDisturb ? "\uf1f6" : "\uf0f3"
             active: root.doNotDisturb
             onActivated: root.toggleSilence()
           }
 
           CardIconButton {
-            icon: ""
+            icon: "\uf1f8"
             onActivated: root.clearAll()
           }
         }
@@ -177,7 +181,7 @@ Item {
 
         Text {
           anchors.horizontalCenter: parent.horizontalCenter
-          text: ""
+          text: "\uf0a2"
           textFormat: Text.PlainText
           color: Util.alpha(Color.blue, 0.6)
           font.family: Style.font.family

shell/plugins/notification-center/NotificationItem.qml

@@ -48,7 +48,7 @@ Rectangle {
 
       Text {
         anchors.right: parent.right
-        text: ""
+        text: "\uf00d"
         textFormat: Text.PlainText
         color: closeHover.hovered ? Color.urgent : Color.magenta
         font.family: Style.font.family

shell/plugins/notifications/Service.qml

@@ -26,8 +26,8 @@ Item {
   readonly property string settingsPath: stateDir + "notifications.json"
   // One file per on-screen popup, so live toasts survive shell restarts.
   // A file exists exactly as long as its popup is showing: written when the
-  // toast appears, moved into historyDir when it expires, is dismissed, or is
+  // toast appears, moved into historyDir when it expires unseen, and deleted
-  // acted upon.
+  // when it is dismissed or acted upon.
   readonly property string popupStateDir: stateDir + "notifications/"
   // The notifications that already left the screen, one file each, trimmed to
   // the newest historyLimit. This directory IS the history: `showHistory`
@@ -327,12 +327,14 @@ Item {
     // id would dismiss that unrelated notification at the server.
     var restored = isRestoredRow(entry)
     var ref = !restored && originalId >= 0 ? liveRefs[originalId] : null
-    // The popup is leaving the screen — for any reason — so its file must not
+    // The popup is leaving the screen, so its file must not survive to the
-    // survive to the next shell restart. It becomes the newest history entry
+    // next shell restart. An expired toast was missed and becomes the newest
-    // instead. Rows that never had a file (a history replay, the empty-history
+    // history entry; a dismissed or acted-on one was seen and is deleted.
-    // placeholder) archive to nothing, which the move tolerates.
+    // Rows that never had a file (a history replay, the empty-history
+    // placeholder) archive or delete nothing, which both jobs tolerate.
     if (entry) {
-      archivePopupFileFor(entry)
+      if (reason === "expire") archivePopupFileFor(entry)
+      else deletePopupFileFor(entry)
       if (restored) delete restoredPopups[NotificationLogic.popupFileName(entry)]
     }
     popupModel.remove(index)
@@ -585,6 +587,15 @@ Item {
     enqueuePopupFileJob(command, done)
   }
 
+  function removeHistoryEntry(fileName) {
+    var name = String(fileName || "")
+    if (!/^[A-Za-z0-9._-]+\.json$/.test(name)) return false
+    enqueuePopupFileJob(["bash", "-c",
+      "rm -f \"$1/$2\" \"$3/${2%.json}\"-*", "--",
+      historyDir, name, imagesDir])
+    return true
+  }
+
   function clearHistory() {
     enqueuePopupFileJob(["bash", "-c",
       "for f in \"$1\"/*.json; do\n" +
@@ -888,6 +899,10 @@ Item {
       return "ok"
     }
 
+    function remove(fileName: string): string {
+      return service.removeHistoryEntry(fileName) ? "ok" : "none"
+    }
+
     function dismissAll(): string {
       service.clearPopups()
       return "ok"