TeaWeb/shared/js/ui/frames/connection-handler-list/Renderer.tsx

489 lines
20 KiB
TypeScript

import {Registry} from "tc-shared/events";
import {
ConnectionListUIEvents,
HandlerStatus,
MouseMoveCoordinates
} from "tc-shared/ui/frames/connection-handler-list/Definitions";
import * as React from "react";
import {useContext, useEffect, useRef, useState} from "react";
import {RemoteIconRenderer} from "tc-shared/ui/react-elements/Icon";
import {ClientIcon} from "svg-sprites/client-icons";
import {Translatable} from "tc-shared/ui/react-elements/i18n";
import {LoadingDots} from "tc-shared/ui/react-elements/LoadingDots";
import ResizeObserver from 'resize-observer-polyfill';
import {LogCategory, logWarn} from "tc-shared/log";
import {ClientIconRenderer} from "tc-shared/ui/react-elements/Icons";
import {getIconManager} from "tc-shared/file/Icons";
const cssStyle = require("./Renderer.scss");
const Events = React.createContext<Registry<ConnectionListUIEvents>>(undefined);
type ConnectionHandlerMode = "normal" | "active" | "spacer";
const ConnectionHandler = React.memo((props: { handlerId: string, mode: ConnectionHandlerMode, refContainer?: React.Ref<HTMLDivElement> }) => {
const events = useContext(Events);
const [ status, setStatus ] = useState<HandlerStatus | "loading">(() => {
events.fire_react("query_handler_status", { handlerId: props.handlerId });
return "loading";
});
events.reactUse("notify_handler_status", event => {
if(event.handlerId !== props.handlerId) {
return;
}
setStatus(event.status);
});
let displayedName, displayedNameTitle;
let cutoffName = false;
let voiceReplaying = false;
let icon = <ClientIconRenderer icon={ClientIcon.ServerGreen} key={"default"} className={cssStyle.icon} />;
if(status === "loading") {
displayedName = displayedNameTitle = tr("loading status");
} else {
switch (status.connectionState) {
case "connected":
cutoffName = status.handlerName.length > 30;
voiceReplaying = status.voiceReplaying;
displayedName = <React.Fragment key={"connected"}>{status.handlerName}</React.Fragment>;
displayedNameTitle = status.handlerName;
icon = <RemoteIconRenderer icon={getIconManager().resolveIcon(status.serverIcon.iconId, status.serverIcon.serverUniqueId, props.handlerId)} className={cssStyle.icon} />;
break;
case "connecting":
displayedNameTitle = tr("Connecting to server");
displayedName = <><Translatable key={"connecting"}>Connecting to server</Translatable> <LoadingDots /></>;
break;
case "disconnected":
displayedNameTitle = tr("Not connected");
displayedName = <Translatable key={"not connected"}>Not connected</Translatable>;
break;
}
}
return (
<div className={cssStyle.handler + " " + cssStyle["mode-" + props.mode] + " " + (cutoffName ? cssStyle.cutoffName : "") + " " + (voiceReplaying ? cssStyle.audioPlayback : "")}
onClick={() => {
if(props.mode !== "normal") {
return;
}
events.fire("action_set_active_handler", { handlerId: props.handlerId });
}}
ref={props.refContainer}
x-handler-id={props.handlerId}
>
{icon}
<div className={cssStyle.name} title={displayedNameTitle}>{displayedName}</div>
<div className={cssStyle.buttonClose} onClick={() => {
events.fire("action_destroy_handler", { handlerId: props.handlerId })
}}>
<ClientIconRenderer icon={ClientIcon.TabCloseButton} />
</div>
</div>
);
})
const MoveableConnectionHandler = (props: { handlerId: string, mode: ConnectionHandlerMode }) => {
const events = useContext(Events);
const refContainer = useRef<HTMLDivElement>();
useEffect(() => {
if(!refContainer.current) {
return;
}
const attached = { status: false };
const basePoint = { x: 0, y: 0 };
const mouseDownListener = (event: MouseEvent) => {
basePoint.x = event.pageX;
basePoint.y = event.pageY;
attachListener();
};
const mouseMoveListener = (event: MouseEvent) => {
const diffXSqrt = Math.abs(basePoint.x - event.pageX);
if(diffXSqrt > 10) {
events.fire("action_move_handler", {
handlerId: props.handlerId,
mouse: { x: event.pageX, y: event.pageY, xOffset: basePoint.x + refContainer.current.parentElement.scrollLeft - refContainer.current.offsetLeft }
});
detachListener();
}
};
const mouseUpListener = () => detachListener();
const attachListener = () => {
if(attached.status) { return; }
attached.status = true;
document.addEventListener("mousemove", mouseMoveListener);
document.addEventListener("mouseup", mouseUpListener);
document.addEventListener("mouseleave", mouseUpListener);
};
const detachListener = () => {
if(!attached.status) { return; }
attached.status = false;
document.removeEventListener("mousemove", mouseMoveListener);
document.removeEventListener("mouseup", mouseUpListener);
document.removeEventListener("mouseleave", mouseUpListener);
}
refContainer.current.addEventListener("mousedown", mouseDownListener);
return () => {
refContainer.current.removeEventListener("mousedown", mouseDownListener);
detachListener();
}
}, []);
return <ConnectionHandler handlerId={props.handlerId} mode={props.mode} refContainer={refContainer} />
};
const MovingConnectionHandler = React.memo((props: { handlerId: string, handlerActive: boolean, initialMouse: MouseMoveCoordinates }) => {
const events = useContext(Events);
const refContainer = useRef<HTMLDivElement>();
const offsetX = useRef<number>(0);
const mouseXRef = useRef<number>(props.initialMouse.x);
const scrollValue = useRef<number>(0);
const scrollIntervalReference = useRef<number>(0);
useEffect(() => {
if(!refContainer.current ||!refContainer.current.parentElement) { return; }
refContainer.current.style.display = "flex";
let lastMovingEventPositionX = 0;
const executeUpdate = () => {
if(!refContainer.current?.parentElement) { return; }
const parentElement = refContainer.current.parentElement;
updateContainerPosition(mouseXRef.current, parentElement, false);
updateScroll(mouseXRef.current, parentElement);
}
const updateScroll = (mouseX: number, parentElement: HTMLElement) => {
if(mouseX >= parentElement.offsetLeft + parentElement.clientWidth - 100) {
scrollValue.current = +2;
} else if(mouseX <= refContainer.current.parentElement.offsetLeft + 100) {
scrollValue.current = -2;
} else {
scrollValue.current = 0;
}
if(scrollValue.current) {
if(!scrollIntervalReference.current) {
scrollIntervalReference.current = setInterval(() => {
if(!scrollValue.current) {
logWarn(LogCategory.CLIENT, tr("Scroll interval called, but no scroll direction set"));
return;
}
const targetScrollLeft = parentElement.scrollLeft + scrollValue.current;
const cancelScroll = targetScrollLeft < 0 || Math.ceil(targetScrollLeft + parentElement.clientWidth) + 1 >= parentElement.scrollWidth;
if(cancelScroll) {
clearInterval(scrollIntervalReference.current);
scrollIntervalReference.current = -1; /* set, but inactive, needs to be re triggered */
} else {
parentElement.scrollLeft = targetScrollLeft;
}
updateContainerPosition(mouseXRef.current, parentElement, cancelScroll);
}, 5);
parentElement.classList.add(cssStyle.hardScroll);
}
} else {
if(scrollIntervalReference.current) {
clearInterval(scrollIntervalReference.current);
scrollIntervalReference.current = 0;
/* stop the scroll ( + 1 - 1 has been appended for the ide...) */
parentElement.scrollLeft = parentElement.scrollLeft + 1 - 1;
parentElement.classList.remove(cssStyle.hardScroll);
}
}
}
const updateContainerPosition = (mouseX: number, parentElement: HTMLElement, forceFirePositionUpdate: boolean) => {
offsetX.current = (mouseX - parentElement.offsetLeft) - props.initialMouse.xOffset + parentElement.scrollLeft;
if(offsetX.current + props.initialMouse.xOffset < 0) { return; }
if(Math.ceil(offsetX.current + refContainer.current.clientWidth) + 1 >= parentElement.scrollWidth) { return; }
refContainer.current.style.left = offsetX.current + "px";
if(Math.abs(lastMovingEventPositionX - offsetX.current) > 30 || forceFirePositionUpdate) {
lastMovingEventPositionX = offsetX.current;
fireMovingPositionEvent();
}
};
const fireMovingPositionEvent = () => {
events.fire("action_set_moving_position", { offsetX: offsetX.current , width: refContainer.current.clientWidth });
};
const listenerMove = (event: MouseEvent) => {
mouseXRef.current = event.pageX;
executeUpdate();
}
const listenerUp = () => {
events.fire("action_move_handler", { handlerId: undefined });
}
executeUpdate();
document.addEventListener("mousemove", listenerMove);
document.addEventListener("mouseup", listenerUp);
document.addEventListener("mouseleave", listenerUp);
return () => {
clearInterval(scrollIntervalReference.current);
if(refContainer.current?.parentElement) {
const parentElement = refContainer.current?.parentElement;
parentElement.classList.remove(cssStyle.hardScroll);
/* stop the scroll ( + 1 - 1 has been appended for the ide...) */
parentElement.scrollLeft = parentElement.scrollLeft + 1 - 1;
}
document.removeEventListener("mouseup", listenerUp);
document.removeEventListener("mouseleave", listenerUp);
document.removeEventListener("mousemove", listenerMove);
};
});
return (
<div className={cssStyle.moveContainer} ref={refContainer}>
<ConnectionHandler handlerId={props.handlerId} mode={props.handlerActive ? "active" : "normal"} />
</div>
);
});
const HandlerList = (props: { refContainer: React.RefObject<HTMLDivElement>, refSpacer: React.Ref<HTMLDivElement> }) => {
const events = useContext(Events);
const [ handlers, setHandlers ] = useState<string[] | "loading">(() => {
events.fire("query_handler_list");
return "loading";
});
const [ activeHandler, setActiveHandler ] = useState<string>();
const [ movingHandler, setMovingHandler ] = useState<{ handlerId: string, mouse: MouseMoveCoordinates} | undefined>();
const switchRequestTimestamp = useRef(0);
events.reactUse("notify_handler_list", event => {
setHandlers(event.handlerIds.slice());
setActiveHandler(event.activeHandlerId);
});
events.reactUse("notify_active_handler", event => setActiveHandler(event.handlerId));
events.reactUse("action_move_handler", event => {
if(typeof event.handlerId === "undefined") {
setMovingHandler(undefined);
} else {
setMovingHandler({ handlerId: event.handlerId, mouse: event.mouse });
}
});
events.reactUse("action_set_moving_position", event => {
if(!movingHandler || handlers === "loading" || (Date.now() - switchRequestTimestamp.current) < 1000) { return; }
const centerCurrent = event.offsetX + event.width / 2;
/* get the target element */
const children = [...props.refContainer.current.childNodes.values()] as HTMLElement[];
const element = children.find(element => element.offsetLeft <= centerCurrent && centerCurrent <= element.offsetLeft + element.clientWidth);
const handlerId = element?.getAttribute("x-handler-id");
if(handlerId === movingHandler.handlerId || !handlerId) { return; }
const oldIndex = handlers.findIndex(handler => handler === movingHandler.handlerId);
const newIndex = handlers.findIndex(handler => handler === handlerId);
const centerTarget = element.offsetLeft + element.clientWidth / 2;
if(oldIndex < newIndex) {
if(event.offsetX + event.width < centerTarget) {
return;
}
} else {
if(event.offsetX > centerTarget) {
return;
}
}
events.fire("action_swap_handler", { handlerIdOne: handlers[oldIndex], handlerIdTwo: handlers[newIndex] });
switchRequestTimestamp.current = Date.now();
});
/* no switch pending, everything has been rendered */
useEffect(() => { switchRequestTimestamp.current = 0; });
return (
<div className={cssStyle.handlerList} ref={props.refContainer}>
{handlers === "loading" ? undefined :
handlers.map(handlerId => (
<MoveableConnectionHandler
handlerId={handlerId}
key={handlerId}
mode={handlerId === movingHandler?.handlerId ? "spacer" : handlerId === activeHandler ? "active" : "normal"}
/>
))
}
{ movingHandler ? (
<MovingConnectionHandler
handlerId={movingHandler.handlerId}
key={"moving-" + movingHandler.handlerId}
handlerActive={movingHandler.handlerId === activeHandler}
initialMouse={movingHandler.mouse}
/>
) : undefined}
<div className={cssStyle.scrollSpacer} ref={props.refSpacer} />
</div>
)
}
const ScrollMenu = (props: { shown: boolean }) => {
const events = useContext(Events);
const [ scrollLeft, setScrollLeft ] = useState(false);
const [ scrollRight, setScrollRight ] = useState(false);
events.on("notify_scroll_status", event => {
setScrollLeft(event.left);
setScrollRight(event.right);
});
return (
<div className={cssStyle.containerScroll + " " + (props.shown ? cssStyle.shown : "")}>
<div className={cssStyle.buttonScroll + " " + (!scrollLeft ? cssStyle.disabled : "")} onClick={() => scrollLeft && events.fire_react("action_scroll", { direction: "left" })}>
<ClientIconRenderer icon={ClientIcon.ArrowLeft} />
</div>
<div className={cssStyle.buttonScroll + " " + (!scrollRight ? cssStyle.disabled : "")} onClick={() => scrollRight && events.fire_react("action_scroll", { direction: "right" })}>
<ClientIconRenderer icon={ClientIcon.ArrowRight} />
</div>
</div>
);
}
export const ConnectionHandlerList = (props: { events: Registry<ConnectionListUIEvents> }) => {
const [ shown, setShown ] = useState(false);
const observer = useRef<ResizeObserver>();
const refHandlerContainer = useRef<HTMLDivElement>();
const refContainer = useRef<HTMLDivElement>();
const refScrollSpacer = useRef<HTMLDivElement>();
const refScrollShown = useRef(false);
const [ scrollShown, setScrollShown ] = useState(false);
refScrollShown.current = scrollShown;
const updateScrollButtons = (scrollLeft: number) => {
const container = refHandlerContainer.current;
if(!container) { return; }
props.events.fire_react("notify_scroll_status", { right: Math.ceil(scrollLeft + container.clientWidth + 2) < container.scrollWidth, left: scrollLeft !== 0 });
}
useEffect(() => {
if(!refHandlerContainer.current) {
return;
}
if(observer.current) {
throw "useEffect called without a detachment...";
}
observer.current = new ResizeObserver(events => {
if(!refContainer.current || !refHandlerContainer.current) {
return;
}
if(events.length !== 1) {
logWarn(LogCategory.CLIENT, tr("Handler list resize observer received events for more than one element (%d elements)."), events.length);
return;
}
const width = events[0].target.scrollWidth;
const shouldScroll = width > refContainer.current.clientWidth;
let scrollShown = refScrollShown.current;
if(scrollShown && !shouldScroll) {
props.events.fire_react("notify_scroll_status", { left: false, right: false });
} else if(!scrollShown && shouldScroll) {
props.events.fire_react("notify_scroll_status", { left: false, right: true });
} else {
return;
}
setScrollShown(shouldScroll);
});
observer.current.observe(refHandlerContainer.current);
return () => {
observer.current?.disconnect();
observer.current = undefined;
}
}, []);
props.events.reactUse("notify_handler_list", event => setShown(event.handlerIds.length > 1));
props.events.reactUse("action_scroll", event => {
if(!scrollShown || !refHandlerContainer.current || !refScrollSpacer.current) {
return;
}
const container = refHandlerContainer.current;
let scrollLeft;
const scrollContainer = refScrollSpacer.current;
const getChildAt = (width: number) => {
let currentChild: HTMLDivElement;
for(const childElement of container.children) {
const child = childElement as HTMLDivElement;
if((!currentChild || child.offsetLeft > currentChild.offsetLeft) && child.offsetLeft <= width) {
currentChild = child;
}
}
return currentChild;
}
if(event.direction === "right") {
const currentLeft = container.scrollLeft;
const target = getChildAt(currentLeft + container.clientWidth + 5 - scrollContainer.clientWidth);
if(!target) {
/* well we're fucked up? :D */
scrollLeft = container.scrollLeft + 50;
} else {
scrollLeft = target.offsetLeft + target.clientWidth - container.clientWidth + scrollContainer.clientWidth;
}
} else if(event.direction === "left") {
const currentLeft = container.scrollLeft;
const target = getChildAt(currentLeft - 1);
if(!target) {
/* well we're fucked up? :D */
scrollLeft = container.scrollLeft - 50;
} else {
scrollLeft = target.offsetLeft;
}
} else {
return;
}
container.scrollLeft = scrollLeft;
updateScrollButtons(scrollLeft);
}, true, [scrollShown]);
return (
<Events.Provider value={props.events}>
<div className={cssStyle.container + " " + (shown ? cssStyle.shown : "") + " " + (scrollShown ? cssStyle.scrollShown : "")} ref={refContainer}>
<HandlerList refContainer={refHandlerContainer} refSpacer={refScrollSpacer} />
<ScrollMenu shown={scrollShown} />
</div>
</Events.Provider>
)
};