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import { injectable, inject } from "tsyringe";
import FollowKeyRepository from "../repositories/FollowKeyRepository";
import FollowMasterRepository from "../repositories/FollowMasterRepository";
import FollowSlaveClient from "../client/FollowSlaveClient";
import FollowSlaveClientFactory from "../client/FollowSlaveClientFactory";
import SettingRepository from "../repositories/SettingRepository";
import HintKeyProducer from "./HintKeyProducer";
@injectable()
export default class FollowMasterUseCase {
// TODO Make repository
private producer: HintKeyProducer | null;
constructor(
@inject("FollowKeyRepository")
private followKeyRepository: FollowKeyRepository,
@inject("FollowMasterRepository")
private followMasterRepository: FollowMasterRepository,
@inject("SettingRepository")
private settingRepository: SettingRepository,
@inject("FollowSlaveClientFactory")
private followSlaveClientFactory: FollowSlaveClientFactory
) {
this.producer = null;
}
startFollow(newTab: boolean, background: boolean): void {
const hintchars = this.settingRepository.get().properties.hintchars;
this.producer = new HintKeyProducer(hintchars);
this.followKeyRepository.clearKeys();
this.followMasterRepository.setCurrentFollowMode(newTab, background);
const viewWidth = window.top.innerWidth;
const viewHeight = window.top.innerHeight;
this.followSlaveClientFactory
.create(window.top)
.requestHintCount(
{ width: viewWidth, height: viewHeight },
{ x: 0, y: 0 }
);
const frameElements = window.document.querySelectorAll("iframe");
for (let i = 0; i < frameElements.length; ++i) {
const ele = frameElements[i] as HTMLFrameElement | HTMLIFrameElement;
const { left: frameX, top: frameY } = ele.getBoundingClientRect();
const client = this.followSlaveClientFactory.create(ele.contentWindow!);
client.requestHintCount(
{ width: viewWidth, height: viewHeight },
{ x: frameX, y: frameY }
);
}
}
// eslint-disable-next-line max-statements
createSlaveHints(count: number, sender: Window): void {
const produced = [];
for (let i = 0; i < count; ++i) {
const tag = this.producer!.produce();
produced.push(tag);
this.followMasterRepository.addTag(tag);
}
const doc = window.document;
const viewWidth = window.innerWidth || doc.documentElement.clientWidth;
const viewHeight = window.innerHeight || doc.documentElement.clientHeight;
let pos = { x: 0, y: 0 };
if (sender !== window) {
const frameElements = window.document.querySelectorAll("iframe");
const ele = Array.from(frameElements).find(
(e) => e.contentWindow === sender
);
if (!ele) {
// elements of the sender is gone
return;
}
const { left: frameX, top: frameY } = ele.getBoundingClientRect();
pos = { x: frameX, y: frameY };
}
const client = this.followSlaveClientFactory.create(sender);
client.createHints({ width: viewWidth, height: viewHeight }, pos, produced);
}
cancelFollow(): void {
this.followMasterRepository.clearTags();
this.broadcastToSlaves((client) => {
client.clearHints();
});
}
filter(prefix: string): void {
this.broadcastToSlaves((client) => {
client.filterHints(prefix);
});
}
activate(tag: string): void {
this.followMasterRepository.clearTags();
const newTab = this.followMasterRepository.getCurrentNewTabMode();
const background = this.followMasterRepository.getCurrentBackgroundMode();
this.broadcastToSlaves((client) => {
client.activateIfExists(tag, newTab, background);
client.clearHints();
});
}
enqueue(key: string): void {
switch (key) {
case "Enter":
this.activate(this.getCurrentTag());
return;
case "Esc":
this.cancelFollow();
return;
case "Backspace":
case "Delete":
this.followKeyRepository.popKey();
this.filter(this.getCurrentTag());
return;
}
this.followKeyRepository.pushKey(key);
const tag = this.getCurrentTag();
const matched = this.followMasterRepository.getTagsByPrefix(tag);
if (matched.length === 0) {
this.cancelFollow();
} else if (matched.length === 1) {
this.activate(tag);
} else {
this.filter(tag);
}
}
private broadcastToSlaves(handler: (client: FollowSlaveClient) => void) {
const allFrames = [window.self].concat(Array.from(window.frames as any));
const clients = allFrames.map((w) =>
this.followSlaveClientFactory.create(w)
);
for (const client of clients) {
handler(client);
}
}
private getCurrentTag(): string {
return this.followKeyRepository.getKeys().join("");
}
}
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