55 lines
1.5 KiB
JavaScript
55 lines
1.5 KiB
JavaScript
import * as inputActions from '../actions/input';
|
|
import * as keys from '../shared/keys';
|
|
import * as operationActions from '../actions/operation';
|
|
|
|
export default class BackgroundInputComponent {
|
|
constructor(store) {
|
|
this.store = store;
|
|
this.keymaps = {};
|
|
this.prevInputs = [];
|
|
}
|
|
|
|
update(sender) {
|
|
let state = this.store.getState();
|
|
this.reloadSettings(state.setting);
|
|
this.handleKeyInputs(sender, state.input);
|
|
}
|
|
|
|
reloadSettings(setting) {
|
|
if (!setting.settings.json) {
|
|
return;
|
|
}
|
|
this.keymaps = JSON.parse(setting.settings.json).keymaps;
|
|
}
|
|
|
|
handleKeyInputs(sender, input) {
|
|
if (JSON.stringify(this.prevInputs) === JSON.stringify(input)) {
|
|
return;
|
|
}
|
|
this.prevInputs = input;
|
|
|
|
if (input.keys.length === 0) {
|
|
return;
|
|
}
|
|
if (sender) {
|
|
return this.handleKeysChanged(sender, input);
|
|
}
|
|
}
|
|
|
|
handleKeysChanged(sender, input) {
|
|
let prefix = keys.asKeymapChars(input.keys);
|
|
let matched = Object.keys(this.keymaps).filter((keyStr) => {
|
|
return keyStr.startsWith(prefix);
|
|
});
|
|
if (matched.length === 0) {
|
|
this.store.dispatch(inputActions.clearKeys(), sender);
|
|
return Promise.resolve();
|
|
} else if (matched.length > 1 ||
|
|
matched.length === 1 && prefix !== matched[0]) {
|
|
return Promise.resolve();
|
|
}
|
|
let operation = this.keymaps[matched];
|
|
this.store.dispatch(operationActions.exec(operation, sender.tab), sender);
|
|
this.store.dispatch(inputActions.clearKeys(), sender);
|
|
}
|
|
}
|