Publish full source including logcat visual map engine

backend_filehttp.go

@@ -0,0 +1,57 @@
+package main
+
+import (
+	"net/http"
+	"os"
+	"os/exec"
+)
+
+// fileHandler serves device/local files to the webview (used by the Files image
+// viewer) over the Wails asset server. Streaming raw bytes avoids the size
+// limits WebKitGTK imposes on large base64 data: URLs.
+//
+// Route: /__file?src=device|local&p=<path>
+func (a *App) fileHandler() http.Handler {
+	return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+		q := r.URL.Query()
+		p := q.Get("p")
+		if p == "" {
+			http.Error(w, "missing path", http.StatusBadRequest)
+			return
+		}
+		w.Header().Set("Cache-Control", "no-store")
+
+		if q.Get("src") == "local" {
+			// ServeFile picks the Content-Type and supports range requests.
+			http.ServeFile(w, r, p)
+			return
+		}
+
+		// Device: pull to a temp file via the file-sync protocol, then serve it.
+		// `adb pull` takes the remote path as a literal argument (no device-shell
+		// re-parsing), so it handles spaces/parens/etc. — unlike `adb exec-out`,
+		// which mangles quoted paths. This mirrors the working Pull button.
+		adbPath, err := a.getBinaryPath("adb")
+		if err != nil {
+			http.Error(w, err.Error(), http.StatusInternalServerError)
+			return
+		}
+		tmp, err := os.CreateTemp("", "atk-view-*")
+		if err != nil {
+			http.Error(w, err.Error(), http.StatusInternalServerError)
+			return
+		}
+		tmpPath := tmp.Name()
+		tmp.Close()
+		defer os.Remove(tmpPath)
+
+		cmd := exec.Command(adbPath, "pull", p, tmpPath)
+		setCommandSysProcAttr(cmd)
+		if out, err := cmd.CombinedOutput(); err != nil {
+			http.Error(w, "failed to read device file: "+string(out), http.StatusInternalServerError)
+			return
+		}
+		w.Header().Set("Content-Type", mimeForName(p))
+		http.ServeFile(w, r, tmpPath)
+	})
+}