fix image preview

src-tauri/Cargo.lock

@@ -670,6 +670,7 @@ name = "chrono-snap"
 version = "0.1.0"
 dependencies = [
  "anyhow",
+ "base64 0.22.1",
  "chrono",
  "image",
  "serde",
@@ -2023,6 +2024,12 @@ dependencies = [
  "pin-project-lite",
 ]
 
+[[package]]
+name = "http-range"
+version = "0.1.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "21dec9db110f5f872ed9699c3ecf50cf16f423502706ba5c72462e28d3157573"
+
 [[package]]
 name = "httparse"
 version = "1.10.1"
@@ -4902,6 +4909,7 @@ dependencies = [
  "gtk",
  "heck 0.5.0",
  "http",
+ "http-range",
  "jni",
  "libc",
  "log",

src-tauri/Cargo.toml

@@ -18,7 +18,7 @@ crate-type = ["staticlib", "cdylib", "rlib"]
 tauri-build = { version = "2", features = [] }
 
 [dependencies]
-tauri = { version = "2", features = ["tray-icon"] }
+tauri = { version = "2", features = ["protocol-asset", "tray-icon"] }
 tauri-plugin-opener = "2"
 serde = { version = "1", features = ["derive"] }
 serde_json = "1"
@@ -30,6 +30,7 @@ image = "0.25.10"
 chrono = "0.4.44"
 tokio = { version = "1.50.0", features = ["rt-multi-thread", "macros", "time"] }
 anyhow = "1.0.102"
+base64 = "0.22.1"
 
 [target.'cfg(not(any(target_os = "android", target_os = "ios")))'.dependencies]
 tauri-plugin-autostart = "2"

src-tauri/src/engine.rs

@@ -24,6 +24,14 @@ pub fn get_pause_state(state: tauri::State<'_, AppState>) -> bool {
     state.is_paused.load(Ordering::SeqCst)
 }
 
+use base64::{engine::general_purpose, Engine as _};
+
+#[tauri::command]
+pub fn get_image_base64(path: String) -> Result<String, String> {
+    let bytes = fs::read(path).map_err(|e| e.to_string())?;
+    Ok(general_purpose::STANDARD.encode(bytes))
+}
+
 #[tauri::command]
 pub fn get_timeline(date: String, base_dir: String) -> Vec<serde_json::Value> {
     let mut results = Vec::new();

src-tauri/src/lib.rs

@@ -19,7 +19,8 @@ pub fn run() {
         .invoke_handler(tauri::generate_handler![
             engine::toggle_pause,
             engine::get_pause_state,
-            engine::get_timeline
+            engine::get_timeline,
+            engine::get_image_base64
         ])
         .setup(|app| {
             app.manage(engine::AppState {

src-tauri/tauri.conf.json

@@ -18,7 +18,11 @@
       }
     ],
     "security": {
-      "csp": null
+      "csp": "default-src 'self'; img-src 'self' asset: https://asset.localhost tauri: http://localhost:*",
+      "assetProtocol": {
+        "enable": true,
+        "scope": ["**"]
+      }
     }
   },
   "bundle": {

src/App.vue

@@ -12,6 +12,7 @@ const isPaused = ref(false);
 const currentDate = ref(new Date().toISOString().split("T")[0]); // YYYY-MM-DD
 const timelineImages = ref<{ time: string; path: string }[]>([]);
 const selectedImage = ref<{ time: string; path: string } | null>(null);
+const previewSrc = ref("");
 const isFullscreen = ref(false);
 const isSettingsOpen = ref(false);
 const mergeScreens = ref(false);
@@ -59,11 +60,6 @@ const togglePauseState = async () => {
 const loadTimeline = async () => {
   if (!savePath.value) return;
   const dateStr = currentDate.value;
-  // Rust is joining paths, Tauri FS plugin has a resolve function or we can use string concat.
-  // Wait, readDir with an absolute path requires specific permissions in Tauri v2, or we need to use Rust to list files.
-  // Actually, standard `readDir` supports absolute paths if we configure scope in capabilities.
-  // We didn't allow `$fs:allow-read-all` or similar, we only added `fs:default`.
-  // The simplest way to fetch timeline is a custom Rust command since we already manage the paths there!
   // It's safer to read files from Rust and return a list of { time, absolute_path }.
   timelineImages.value = await invoke("get_timeline", { date: dateStr, baseDir: savePath.value });
 };
@@ -72,8 +68,15 @@ const refresh = async () => {
   await loadTimeline();
 };
 
-const selectImage = (img: { time: string; path: string }) => {
+const selectImage = async (img: { time: string; path: string }) => {
   selectedImage.value = img;
+  try {
+    const base64 = await invoke("get_image_base64", { path: img.path });
+    previewSrc.value = `data:image/jpeg;base64,${base64}`;
+  } catch (e) {
+    console.error("Failed to load image:", e);
+    previewSrc.value = "";
+  }
 };
 
 const getSrc = (path: string) => {
@@ -160,7 +163,7 @@ const getSrc = (path: string) => {
         <div v-if="selectedImage" class="flex-1 p-10 flex items-center justify-center overflow-hidden">
           <div class="relative max-w-full max-h-full group">
             <img 
-              :src="getSrc(selectedImage.path)" 
+              :src="previewSrc" 
               class="max-w-full max-h-full object-contain rounded-2xl shadow-[0_12px_30px_rgba(0,0,0,0.08)]"
             />
             <button 
@@ -259,7 +262,7 @@ const getSrc = (path: string) => {
         <X :size="32" />
       </button>
       <img 
-        :src="getSrc(selectedImage.path)" 
+        :src="previewSrc" 
         class="max-w-full max-h-full object-contain"
       />
     </div>