cc-haxe/src/kernel/ps/ProcessHandle.hx

124 lines
2.7 KiB
Haxe

package kernel.ps;
import kernel.turtle.TurtleMutex;
import kernel.ps.ProcessManager.PID;
import kernel.ui.WindowContext;
import kernel.ui.WindowManager;
import haxe.ds.ReadOnlyArray;
using tink.CoreApi;
typedef HandleConfig = {
?args:Array<String>,
?onWrite:Callback<String>,
?onExit:Callback<Bool>,
}
class ProcessHandle {
public var args(get, null):ReadOnlyArray<String>;
private final pid:PID;
private final config:HandleConfig;
private final closeFuture:Future<Bool>;
private var closeFutureResolev:Bool->Void;
private final windowContexts:Array<WindowContext> = [];
private final cbLinks:Array<CallbackLink> = [];
private final deferFuncs:Array<Void->Void> = [];
private var hasExited:Bool = false;
@:allow(kernel.ps.ProcessManager)
private function new(config:HandleConfig, pid:PID) {
this.config = config;
this.pid = pid;
this.closeFuture = new Future<Bool>((trigger) -> {
this.closeFutureResolev = trigger;
return null;
});
if (this.config.onExit != null) {
this.closeFuture.handle(this.config.onExit);
}
}
public function onExit():Future<Bool> {
return this.closeFuture;
}
public function close(success:Bool = true):Void {
this.hasExited = true;
this.dispose();
EndOfLoop.endOfLoop(() -> {
this.closeFutureResolev(success);
});
ProcessManager.removeProcess(this.pid);
}
public function write(message:String):Void {
if (this.hasExited)
return;
if (this.config.onWrite != null) {
this.config.onWrite.invoke(message);
}
}
public function writeLine(message:String):Void {
this.write(message + "\n");
}
public function createBufferdWindowContext():WindowContext {
var ctx = WindowManager.createNewContext();
this.windowContexts.push(ctx);
return ctx;
}
public function createStatelessWindowContext():{ctx:WindowContext, setRenderFunc:(() -> Void)->Void, requestRender:() -> Void} {
var ctx = WindowManager.createNewStatelessContext();
this.windowContexts.push(ctx.ctx);
return ctx;
}
public function getWindowContexts():ReadOnlyArray<WindowContext> {
return this.windowContexts;
}
private function dispose() {
for (link in this.cbLinks) {
link.cancel();
}
for (func in this.deferFuncs) {
func();
}
}
public function getPid():PID {
return this.pid;
}
public function addCallbackLink(link:CallbackLink) {
this.cbLinks.push(link);
}
public function addDeferFunc(func:Void->Void) {
this.deferFuncs.push(func);
}
public function get_args():ReadOnlyArray<String> {
return this.config.args;
}
public function claimTurtleMutex():Bool {
if (TurtleMutex.claim(this.pid)) {
this.addDeferFunc(() -> {
TurtleMutex.release(this.pid);
});
return true;
}
return false;
}
}