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export default interface FindPresenter {
find(keyword: string, backwards: boolean): boolean;
clearSelection(): void;
}
// window.find(aString, aCaseSensitive, aBackwards, aWrapAround,
// aWholeWord, aSearchInFrames);
//
// NOTE: window.find is not standard API
// https://developer.mozilla.org/en-US/docs/Web/API/Window/find
interface MyWindow extends Window {
find(
aString: string,
aCaseSensitive?: boolean,
aBackwards?: boolean,
aWrapAround?: boolean,
aWholeWord?: boolean,
aSearchInFrames?: boolean,
aShowDialog?: boolean
): boolean;
}
// eslint-disable-next-line no-var, vars-on-top, init-declarations
declare var window: MyWindow;
export class FindPresenterImpl implements FindPresenter {
find(keyword: string, backwards: boolean): boolean {
const caseSensitive = false;
const wrapScan = true;
// NOTE: aWholeWord dows not implemented, and aSearchInFrames does not work
// because of same origin policy
const found = window.find(keyword, caseSensitive, backwards, wrapScan);
if (found) {
return found;
}
this.clearSelection();
return window.find(keyword, caseSensitive, backwards, wrapScan);
}
clearSelection(): void {
const sel = window.getSelection();
if (sel) {
sel.removeAllRanges();
}
}
}
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