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Refactor canvas and mask handling for clarity and maintainability

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Removed redundant comments and streamlined logic across canvas-related modules, including mask positioning, garbage collection, and WebSocket communication. Improved code readability and maintainability by eliminating unnecessary explanations and clarifying intent in both Python and JavaScript files. No functional changes were made; this is a cleanup and refactor for better developer experience.
This commit is contained in:
Dariusz L
2025-06-27 06:17:24 +02:00
parent 711722eb9f
commit b40d645a79
9 changed files with 104 additions and 182 deletions
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44
js/CanvasView.js
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@@ -742,8 +742,8 @@ async function createCanvasWidget(node, widget, app) {
const triggerWidget = node.widgets.find(w => w.name === "trigger");
const updateOutput = async () => {
// Only increment trigger and run step - don't save to disk here
// Saving to disk will happen during execution_start event
triggerWidget.value = (triggerWidget.value + 1) % 99999999;
app.graph.runStep();
};
@@ -788,9 +788,8 @@ async function createCanvasWidget(node, widget, app) {
canvas.render();
};
// Remove automatic saving on mouse events - only save during execution
// canvas.canvas.addEventListener('mouseup', updateOutput);
// canvas.canvas.addEventListener('mouseleave', updateOutput);
const mainContainer = $el("div.painterMainContainer", {
@@ -943,7 +942,7 @@ app.registerExtension({
name: "Comfy.CanvasNode",
init() {
// Monkey-patch the queuePrompt function to send canvas data via WebSocket before sending the prompt
const originalQueuePrompt = app.queuePrompt;
app.queuePrompt = async function(number, prompt) {
log.info("Preparing to queue prompt...");
@@ -953,33 +952,33 @@ app.registerExtension({
const sendPromises = [];
for (const [nodeId, canvasWidget] of canvasNodeInstances.entries()) {
// Ensure the node still exists on the graph before sending data
if (app.graph.getNodeById(nodeId) && canvasWidget.canvas && canvasWidget.canvas.canvasIO) {
log.debug(`Sending data for canvas node ${nodeId}`);
// This now returns a promise that resolves upon server ACK
sendPromises.push(canvasWidget.canvas.canvasIO.sendDataViaWebSocket(nodeId));
} else {
// If node doesn't exist, it might have been deleted, so we can clean up the map
log.warn(`Node ${nodeId} not found in graph, removing from instances map.`);
canvasNodeInstances.delete(nodeId);
}
}
try {
// Wait for all WebSocket messages to be acknowledged
await Promise.all(sendPromises);
log.info("All canvas data has been sent and acknowledged by the server.");
} catch (error) {
log.error("Failed to send canvas data for one or more nodes. Aborting prompt.", error);
// IMPORTANT: Stop the prompt from queueing if data transfer fails.
// You might want to show a user-facing error here.
alert(`CanvasNode Error: ${error.message}`);
return; // Stop execution
}
}
log.info("All pre-prompt tasks complete. Proceeding with original queuePrompt.");
// Proceed with the original queuePrompt logic
return originalQueuePrompt.apply(this, arguments);
};
},
@@ -989,25 +988,22 @@ app.registerExtension({
const onNodeCreated = nodeType.prototype.onNodeCreated;
nodeType.prototype.onNodeCreated = function () {
log.debug("CanvasNode onNodeCreated: Base widget setup.");
// Call original onNodeCreated to ensure widgets are created
const r = onNodeCreated?.apply(this, arguments);
// The main initialization is moved to onAdded
return r;
};
// onAdded is the most reliable callback for when a node is fully added to the graph and has an ID
nodeType.prototype.onAdded = async function() {
log.info(`CanvasNode onAdded, ID: ${this.id}`);
log.debug(`Available widgets in onAdded:`, this.widgets.map(w => w.name));
// Prevent re-initialization if the widget already exists
if (this.canvasWidget) {
log.warn(`CanvasNode ${this.id} already initialized. Skipping onAdded setup.`);
return;
}
// Now that we are in onAdded, this.id is guaranteed to be correct.
// Set the hidden node_id widget's value for backend communication.
const nodeIdWidget = this.widgets.find(w => w.name === "node_id");
if (nodeIdWidget) {
nodeIdWidget.value = String(this.id);
@@ -1015,9 +1011,8 @@ app.registerExtension({
} else {
log.error("Could not find the hidden node_id widget!");
}
// Create the main canvas widget and register it in our global map
// We pass `null` for the widget parameter as we are not using a pre-defined widget.
const canvasWidget = await createCanvasWidget(this, null, app);
canvasNodeInstances.set(this.id, canvasWidget);
log.info(`Registered CanvasNode instance for ID: ${this.id}`);
@@ -1026,12 +1021,10 @@ app.registerExtension({
const onRemoved = nodeType.prototype.onRemoved;
nodeType.prototype.onRemoved = function () {
log.info(`Cleaning up canvas node ${this.id}`);
// Clean up from our instance map
canvasNodeInstances.delete(this.id);
log.info(`Deregistered CanvasNode instance for ID: ${this.id}`);
// Clean up execution state
if (window.canvasExecutionStates) {
window.canvasExecutionStates.delete(this.id);
}
@@ -1045,7 +1038,6 @@ app.registerExtension({
document.body.removeChild(backdrop);
}
// Cleanup canvas resources including garbage collection
if (this.canvasWidget && this.canvasWidget.destroy) {
this.canvasWidget.destroy();
}