A fork of https://github.com/ueokande/vim-vixen
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147 lines
4.1 KiB
147 lines
4.1 KiB
import * as followControllerActions from 'content/actions/follow-controller'; |
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import messages from 'shared/messages'; |
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import HintKeyProducer from 'content/hint-key-producer'; |
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import * as properties from 'shared/settings/properties'; |
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const broadcastMessage = (win, message) => { |
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let json = JSON.stringify(message); |
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let frames = [window.self].concat(Array.from(window.frames)); |
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frames.forEach(frame => frame.postMessage(json, '*')); |
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}; |
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export default class FollowController { |
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constructor(win, store) { |
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this.win = win; |
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this.store = store; |
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this.state = {}; |
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this.keys = []; |
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this.producer = null; |
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messages.onMessage(this.onMessage.bind(this)); |
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store.subscribe(() => { |
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this.update(); |
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}); |
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} |
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onMessage(message, sender) { |
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switch (message.type) { |
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case messages.FOLLOW_START: |
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return this.store.dispatch( |
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followControllerActions.enable(message.newTab, message.background)); |
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case messages.FOLLOW_RESPONSE_COUNT_TARGETS: |
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return this.create(message.count, sender); |
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case messages.FOLLOW_KEY_PRESS: |
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return this.keyPress(message.key, message.ctrlKey); |
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} |
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} |
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update() { |
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let prevState = this.state; |
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this.state = this.store.getState().followController; |
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if (!prevState.enabled && this.state.enabled) { |
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this.count(); |
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} else if (prevState.enabled && !this.state.enabled) { |
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this.remove(); |
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} else if (prevState.keys !== this.state.keys) { |
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this.updateHints(); |
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} |
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} |
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updateHints() { |
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let shown = this.keys.filter(key => key.startsWith(this.state.keys)); |
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if (shown.length === 1) { |
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this.activate(); |
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this.store.dispatch(followControllerActions.disable()); |
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} |
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broadcastMessage(this.win, { |
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type: messages.FOLLOW_SHOW_HINTS, |
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keys: this.state.keys, |
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}); |
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} |
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activate() { |
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broadcastMessage(this.win, { |
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type: messages.FOLLOW_ACTIVATE, |
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keys: this.state.keys, |
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}); |
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} |
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keyPress(key, ctrlKey) { |
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if (key === '[' && ctrlKey) { |
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this.store.dispatch(followControllerActions.disable()); |
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return true; |
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} |
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switch (key) { |
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case 'Enter': |
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this.activate(); |
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this.store.dispatch(followControllerActions.disable()); |
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break; |
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case 'Esc': |
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this.store.dispatch(followControllerActions.disable()); |
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break; |
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case 'Backspace': |
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case 'Delete': |
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this.store.dispatch(followControllerActions.backspace()); |
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break; |
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default: |
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if (this.hintchars().includes(key)) { |
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this.store.dispatch(followControllerActions.keyPress(key)); |
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} |
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break; |
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} |
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return true; |
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} |
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count() { |
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this.producer = new HintKeyProducer(this.hintchars()); |
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let doc = this.win.document; |
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let viewWidth = this.win.innerWidth || doc.documentElement.clientWidth; |
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let viewHeight = this.win.innerHeight || doc.documentElement.clientHeight; |
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let frameElements = this.win.document.querySelectorAll('frame,iframe'); |
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this.win.postMessage(JSON.stringify({ |
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type: messages.FOLLOW_REQUEST_COUNT_TARGETS, |
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viewSize: { width: viewWidth, height: viewHeight }, |
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framePosition: { x: 0, y: 0 }, |
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}), '*'); |
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frameElements.forEach((element) => { |
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let { left: frameX, top: frameY } = element.getBoundingClientRect(); |
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let message = JSON.stringify({ |
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type: messages.FOLLOW_REQUEST_COUNT_TARGETS, |
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viewSize: { width: viewWidth, height: viewHeight }, |
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framePosition: { x: frameX, y: frameY }, |
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}); |
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element.contentWindow.postMessage(message, '*'); |
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}); |
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} |
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create(count, sender) { |
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let produced = []; |
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for (let i = 0; i < count; ++i) { |
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produced.push(this.producer.produce()); |
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} |
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this.keys = this.keys.concat(produced); |
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sender.postMessage(JSON.stringify({ |
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type: messages.FOLLOW_CREATE_HINTS, |
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keysArray: produced, |
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newTab: this.state.newTab, |
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background: this.state.background, |
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}), '*'); |
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} |
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remove() { |
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this.keys = []; |
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broadcastMessage(this.win, { |
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type: messages.FOLLOW_REMOVE_HINTS, |
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}); |
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} |
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hintchars() { |
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return this.store.getState().setting.properties.hintchars || |
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properties.defaults.hintchars; |
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} |
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}
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