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/**
* Copyright 2017 Google Inc. All rights reserved.
*
* 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 {Protocol} from 'devtools-protocol';
import {CDPSession} from './Connection.js';
import {Viewport} from './PuppeteerViewport.js';
/**
* @internal
*/
export class EmulationManager {
#client: CDPSession;
#emulatingMobile = false;
#hasTouch = false;
constructor(client: CDPSession) {
this.#client = client;
}
async emulateViewport(viewport: Viewport): Promise<boolean> {
const mobile = viewport.isMobile || false;
const width = viewport.width;
const height = viewport.height;
const deviceScaleFactor = viewport.deviceScaleFactor ?? 1;
const screenOrientation: Protocol.Emulation.ScreenOrientation =
viewport.isLandscape
? {angle: 90, type: 'landscapePrimary'}
: {angle: 0, type: 'portraitPrimary'};
const hasTouch = viewport.hasTouch || false;
await Promise.all([
this.#client.send('Emulation.setDeviceMetricsOverride', {
mobile,
width,
height,
deviceScaleFactor,
screenOrientation,
}),
this.#client.send('Emulation.setTouchEmulationEnabled', {
enabled: hasTouch,
}),
]);
const reloadNeeded =
this.#emulatingMobile !== mobile || this.#hasTouch !== hasTouch;
this.#emulatingMobile = mobile;
this.#hasTouch = hasTouch;
return reloadNeeded;
}
}
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