download system

flumi/Scripts/Browser/DownloadProgress.gd

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+class_name DownloadProgress
+extends PanelContainer
+
+signal download_cancelled(download_id: String)
+
+@onready var filename_label: Label = $HBox/VBox/FilenameLabel
+@onready var progress_bar: ProgressBar = $HBox/VBox/ProgressBar
+@onready var status_label: Label = $HBox/VBox/StatusLabel
+@onready var cancel_button: Button = $HBox/CancelButton
+
+var download_id: String = ""
+var download_data: Dictionary = {}
+var start_time: float = 0.0
+
+func _ready():
+	progress_bar.value = 0
+	status_label.text = "Starting download..."
+
+func setup_download(id: String, data: Dictionary):
+	download_id = id
+	download_data = data
+	start_time = Time.get_ticks_msec() / 1000.0
+	
+	var filename = data.get("filename", "Unknown file")
+	filename_label.text = filename
+	status_label.text = "Starting download..."
+	progress_bar.value = 0
+	
+	_animate_entrance()
+
+func _animate_entrance():
+	if not is_inside_tree():
+		return
+		
+	var download_container = get_parent()
+	var anchor_container = download_container.get_parent() if download_container else null
+	
+	if anchor_container and anchor_container.name == "DownloadAnchor" and download_container.get_child_count() == 1:
+		var tween = create_tween()
+		if tween:
+			var tween_property = tween.tween_property(anchor_container, "offset_left", -381, 0.3)
+			if tween_property:
+				tween_property.set_ease(Tween.EASE_OUT).set_trans(Tween.TRANS_BACK)
+	else:
+		call_deferred("_animate_individual_entrance")
+
+func _animate_individual_entrance():
+	if not is_inside_tree():
+		return
+	
+	var original_x = position.x
+	position.x += 400 # Move off-screen to the right
+	
+	var tween = create_tween()
+	if tween:
+		var slide_property = tween.tween_property(self, "position:x", original_x, 0.3)
+		if slide_property:
+			slide_property.set_ease(Tween.EASE_OUT).set_trans(Tween.TRANS_BACK)
+
+func update_progress(progress_percent: float, bytes_downloaded: int = 0, total_bytes: int = 0):
+	progress_bar.value = progress_percent
+	
+	var elapsed_time = (Time.get_ticks_msec() / 1000.0) - start_time
+	var status_text = ""
+	
+	if total_bytes > 0:
+		var speed_bps = bytes_downloaded / elapsed_time if elapsed_time > 0 else 0
+		
+		var remaining_bytes = total_bytes - bytes_downloaded
+		var eta_seconds = remaining_bytes / speed_bps if speed_bps > 0 else 0
+		
+		status_text = NetworkRequest.format_bytes(bytes_downloaded) + " / " + NetworkRequest.format_bytes(total_bytes)
+		if speed_bps > 0:
+			status_text += " (" + NetworkRequest.format_bytes(int(speed_bps)) + "/s)"
+		if eta_seconds > 0 and eta_seconds < 3600:
+			status_text += " - %d seconds left" % int(eta_seconds)
+	else:
+		status_text = "%.0f%% complete" % progress_percent
+	
+	status_label.text = status_text
+
+func set_completed(file_path: String):
+	progress_bar.value = 100
+	status_label.text = "Download complete: " + file_path.get_file()
+	cancel_button.text = "✓"
+	cancel_button.disabled = true
+	
+	await get_tree().create_timer(2.0).timeout
+	_animate_exit()
+
+func set_error(error_message: String):
+	status_label.text = "Error: " + error_message
+	cancel_button.text = "✕"
+	progress_bar.modulate = Color.RED
+	
+	await get_tree().create_timer(4.0).timeout
+	_animate_exit()
+
+func _animate_exit():
+	if not is_inside_tree():
+		queue_free()
+		return
+	
+	var download_container = get_parent()
+	var anchor_container = download_container.get_parent() if download_container else null
+	
+	var is_last_download = download_container and download_container.get_child_count() == 1
+	
+	var tween = create_tween()
+	if tween:
+		var slide_property = tween.tween_property(self, "position:x", position.x + 400, 0.25)
+		if slide_property:
+			slide_property.set_ease(Tween.EASE_IN).set_trans(Tween.TRANS_BACK)
+		
+		await tween.finished
+	
+	if is_last_download and anchor_container and anchor_container.name == "DownloadAnchor":
+		var container_tween = create_tween()
+		if container_tween:
+			var container_property = container_tween.tween_property(anchor_container, "offset_left", 381, 0.25)
+			if container_property:
+				container_property.set_ease(Tween.EASE_IN).set_trans(Tween.TRANS_BACK)
+			await container_tween.finished
+	
+	queue_free()
+
+func _on_cancel_pressed():
+	download_cancelled.emit(download_id)
+	_animate_exit()