Merge pull request #109 from valenotary/106

Replace Capturer::new with Capturer::build

Author: Brendonovich

.gitignore

@@ -1,3 +1,4 @@
 /target
 .DS_Store
 /test
+/.idea

src/capturer/mod.rs

@@ -4,6 +4,7 @@ use std::sync::mpsc;
 
 use crate::{
     frame::{Frame, FrameType},
+    has_permission, is_supported, request_permission,
     targets::Target,
 };
 
@@ -73,15 +74,40 @@ pub struct Capturer {
     rx: mpsc::Receiver<Frame>,
 }
 
+pub enum CapturerBuildError {
+    NotSupported,
+    PermissionNotGranted,
+}
+
 impl Capturer {
     /// Create a new capturer instance with the provided options
+    #[deprecated(
+        since = "0.0.6",
+        note = "Use `build` instead of `new` to create a new capturer instance."
+    )]
     pub fn new(options: Options) -> Capturer {
         let (tx, rx) = mpsc::channel::<Frame>();
         let engine = engine::Engine::new(&options, tx);
 
         Capturer { engine, rx }
     }
 
+    /// Build a new [Capturer] instance with the provided options
+    pub fn build(options: Options) -> Result<Capturer, CapturerBuildError> {
+        if !is_supported() {
+            return Err(CapturerBuildError::NotSupported);
+        }
+
+        if !has_permission() {
+            return Err(CapturerBuildError::PermissionNotGranted);
+        }
+
+        let (tx, rx) = mpsc::channel::<Frame>();
+        let engine = engine::Engine::new(&options, tx);
+
+        Ok(Capturer { engine, rx })
+    }
+
     // TODO
     // Prevent starting capture if already started
     /// Start capturing the frames

src/main.rs

@@ -3,9 +3,10 @@
 
 use scap::{
     capturer::{Area, Capturer, Options, Point, Size},
-    frame::Frame,
-    Target,
+    frame::Frame
+    ,
 };
+use std::process;
 
 fn main() {
     // Check if the platform is supported
@@ -46,7 +47,10 @@ fn main() {
     };
 
     // Create Recorder with options
-    let mut recorder = Capturer::new(options);
+    let mut recorder = Capturer::build(options).unwrap_or_else(|err| {
+        println!("Problem with building Capturer: {err}");
+        process::exit(1);
+    });
 
     // Start Capture
     recorder.start_capture();