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"use strict";
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.DragManager = void 0;
var _utils = require("../../utils");
var _crProtocolHelper = require("./crProtocolHelper");
/**
* 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.
*/
class DragManager {
constructor(page) {
this._crPage = void 0;
this._dragState = null;
this._lastPosition = {
x: 0,
y: 0
};
this._crPage = page;
}
async cancelDrag() {
if (!this._dragState) return false;
await this._crPage._mainFrameSession._client.send('Input.dispatchDragEvent', {
type: 'dragCancel',
x: this._lastPosition.x,
y: this._lastPosition.y,
data: {
items: [],
dragOperationsMask: 0xFFFF
}
});
this._dragState = null;
return true;
}
async interceptDragCausedByMove(x, y, button, buttons, modifiers, moveCallback) {
this._lastPosition = {
x,
y
};
if (this._dragState) {
await this._crPage._mainFrameSession._client.send('Input.dispatchDragEvent', {
type: 'dragOver',
x,
y,
data: this._dragState,
modifiers: (0, _crProtocolHelper.toModifiersMask)(modifiers)
});
return;
}
if (button !== 'left') return moveCallback();
const client = this._crPage._mainFrameSession._client;
let onDragIntercepted;
const dragInterceptedPromise = new Promise(x => onDragIntercepted = x);
await Promise.all(this._crPage._page.frames().map(async frame => {
await frame.nonStallingEvaluateInExistingContext(function () {
let didStartDrag = Promise.resolve(false);
let dragEvent = null;
const dragListener = event => dragEvent = event;
const mouseListener = () => {
didStartDrag = new Promise(callback => {
window.addEventListener('dragstart', dragListener, {
once: true,
capture: true
});
setTimeout(() => callback(dragEvent ? !dragEvent.defaultPrevented : false), 0);
});
};
window.addEventListener('mousemove', mouseListener, {
once: true,
capture: true
});
window.__cleanupDrag = async () => {
const val = await didStartDrag;
window.removeEventListener('mousemove', mouseListener, {
capture: true
});
window.removeEventListener('dragstart', dragListener, {
capture: true
});
delete window.__cleanupDrag;
return val;
};
}.toString(), true, 'utility').catch(() => {});
}));
client.on('Input.dragIntercepted', onDragIntercepted);
try {
await client.send('Input.setInterceptDrags', {
enabled: true
});
} catch {
// If Input.setInterceptDrags is not supported, just do a regular move.
// This can be removed once we stop supporting old Electron.
client.off('Input.dragIntercepted', onDragIntercepted);
return moveCallback();
}
await moveCallback();
const expectingDrag = (await Promise.all(this._crPage._page.frames().map(async frame => {
return frame.nonStallingEvaluateInExistingContext('window.__cleanupDrag && window.__cleanupDrag()', false, 'utility').catch(() => false);
}))).some(x => x);
this._dragState = expectingDrag ? (await dragInterceptedPromise).data : null;
client.off('Input.dragIntercepted', onDragIntercepted);
await client.send('Input.setInterceptDrags', {
enabled: false
});
if (this._dragState) {
await this._crPage._mainFrameSession._client.send('Input.dispatchDragEvent', {
type: 'dragEnter',
x,
y,
data: this._dragState,
modifiers: (0, _crProtocolHelper.toModifiersMask)(modifiers)
});
}
}
isDragging() {
return !!this._dragState;
}
async drop(x, y, modifiers) {
(0, _utils.assert)(this._dragState, 'missing drag state');
await this._crPage._mainFrameSession._client.send('Input.dispatchDragEvent', {
type: 'drop',
x,
y,
data: this._dragState,
modifiers: (0, _crProtocolHelper.toModifiersMask)(modifiers)
});
this._dragState = null;
}
}
exports.DragManager = DragManager;