2022-04-07 20:18:22 -07:00

69 lines
2.7 KiB
TypeScript

/**
* Copyright (c) Microsoft Corporation.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
import type { WKSession } from './wkConnection';
import type { WKPage } from './wkPage';
import type { RegisteredListener } from '../../utils/eventsHelper';
import { eventsHelper } from '../../utils/eventsHelper';
import type { Protocol } from './protocol';
import { assert } from '../../utils';
export class WKProvisionalPage {
readonly _session: WKSession;
private readonly _wkPage: WKPage;
private _sessionListeners: RegisteredListener[] = [];
private _mainFrameId: string | null = null;
readonly initializationPromise: Promise<void>;
constructor(session: WKSession, page: WKPage) {
this._session = session;
this._wkPage = page;
const overrideFrameId = (handler: (p: any) => void) => {
return (payload: any) => {
// Pretend that the events happened in the same process.
if (payload.frameId)
payload.frameId = this._wkPage._page._frameManager.mainFrame()._id;
handler(payload);
};
};
const wkPage = this._wkPage;
this._sessionListeners = [
eventsHelper.addEventListener(session, 'Network.requestWillBeSent', overrideFrameId(e => wkPage._onRequestWillBeSent(session, e))),
eventsHelper.addEventListener(session, 'Network.requestIntercepted', overrideFrameId(e => wkPage._onRequestIntercepted(session, e))),
eventsHelper.addEventListener(session, 'Network.responseReceived', overrideFrameId(e => wkPage._onResponseReceived(e))),
eventsHelper.addEventListener(session, 'Network.loadingFinished', overrideFrameId(e => wkPage._onLoadingFinished(e))),
eventsHelper.addEventListener(session, 'Network.loadingFailed', overrideFrameId(e => wkPage._onLoadingFailed(e))),
];
this.initializationPromise = this._wkPage._initializeSession(session, true, ({ frameTree }) => this._handleFrameTree(frameTree));
}
dispose() {
eventsHelper.removeEventListeners(this._sessionListeners);
}
commit() {
assert(this._mainFrameId);
this._wkPage._onFrameAttached(this._mainFrameId, null);
}
private _handleFrameTree(frameTree: Protocol.Page.FrameResourceTree) {
assert(!frameTree.frame.parentId);
this._mainFrameId = frameTree.frame.id;
}
}