63 lines
1.9 KiB
TypeScript
63 lines
1.9 KiB
TypeScript
/**
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* Copyright 2017 Google Inc. All rights reserved.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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import {CDPSession} from './Connection.js';
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import {Viewport} from './PuppeteerViewport.js';
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import {Protocol} from 'devtools-protocol';
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/**
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* @internal
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*/
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export class EmulationManager {
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#client: CDPSession;
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#emulatingMobile = false;
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#hasTouch = false;
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constructor(client: CDPSession) {
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this.#client = client;
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}
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async emulateViewport(viewport: Viewport): Promise<boolean> {
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const mobile = viewport.isMobile || false;
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const width = viewport.width;
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const height = viewport.height;
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const deviceScaleFactor = viewport.deviceScaleFactor || 1;
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const screenOrientation: Protocol.Emulation.ScreenOrientation =
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viewport.isLandscape
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? {angle: 90, type: 'landscapePrimary'}
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: {angle: 0, type: 'portraitPrimary'};
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const hasTouch = viewport.hasTouch || false;
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await Promise.all([
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this.#client.send('Emulation.setDeviceMetricsOverride', {
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mobile,
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width,
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height,
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deviceScaleFactor,
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screenOrientation,
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}),
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this.#client.send('Emulation.setTouchEmulationEnabled', {
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enabled: hasTouch,
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}),
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]);
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const reloadNeeded =
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this.#emulatingMobile !== mobile || this.#hasTouch !== hasTouch;
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this.#emulatingMobile = mobile;
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this.#hasTouch = hasTouch;
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return reloadNeeded;
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}
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}
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