352 lines
12 KiB
TypeScript
352 lines
12 KiB
TypeScript
import appUsersManager from "./appUsersManager";
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import { calcImageInBox, isObject } from "../utils";
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import fileManager from '../filemanager';
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import { bytesFromHex } from "../bin_utils";
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import { MTPhotoSize } from "../../components/wrappers";
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import apiFileManager from "../mtproto/apiFileManager";
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import apiManager from "../mtproto/apiManager";
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export type MTPhoto = {
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_: 'photo' | 'photoEmpty' | string,
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pFlags: any,
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flags: number,
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id: string,
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access_hash: string,
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file_reference: Uint8Array,
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date: number,
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sizes: Array<MTPhotoSize>,
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dc_id: number,
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user_id: number,
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downloaded?: boolean | number,
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url?: string
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};
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export class AppPhotosManager {
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private photos: {
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[id: string]: MTPhoto
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} = {};
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public windowW = 0;
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public windowH = 0;
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public static jf = new Uint8Array(bytesFromHex('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'));
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public static Df = bytesFromHex('ffd9');
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constructor() {
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window.addEventListener('resize', (e) => {
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this.windowW = document.body.scrollWidth;
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this.windowH = document.body.scrollHeight;
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});
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this.windowW = document.body.scrollWidth;
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this.windowH = document.body.scrollHeight;
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}
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public savePhoto(photo: MTPhoto, context?: any) {
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if(this.photos[photo.id]) return this.photos[photo.id];
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/* if(context) {
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Object.assign(photo, context);
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} */ // warning
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if(!photo.id) {
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console.warn('no apiPhoto.id', photo);
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} else this.photos[photo.id] = photo as any;
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/* if(!('sizes' in photo)) return;
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photo.sizes.forEach((photoSize: any) => {
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if(photoSize._ == 'photoCachedSize') {
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apiFileManager.saveSmallFile(photoSize.location, photoSize.bytes);
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console.log('clearing photo cached size', photo);
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// Memory
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photoSize.size = photoSize.bytes.length;
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delete photoSize.bytes;
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photoSize._ = 'photoSize';
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}
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}); */
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/* if(!photo.downloaded) {
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photo.downloaded = apiFileManager.isFileExists({
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_: 'inputPhotoFileLocation',
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id: photo.id,
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access_hash: photo.access_hash,
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file_reference: photo.file_reference
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});
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// apiFileManager.isFileExists({
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// _: 'inputPhotoFileLocation',
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// id: photo.id,
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// access_hash: photo.access_hash,
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// file_reference: photo.file_reference
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// }).then(downloaded => {
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// photo.downloaded = downloaded;
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// });
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} */
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return photo;
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}
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public choosePhotoSize(photo: any, width = 0, height = 0) {
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if(Config.Navigator.retina) {
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width *= 2;
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height *= 2;
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}
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/*
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s box 100x100
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m box 320x320
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x box 800x800
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y box 1280x1280
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w box 2560x2560
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a crop 160x160
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b crop 320x320
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c crop 640x640
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d crop 1280x1280 */
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let bestPhotoSize: MTPhotoSize = {_: 'photoSizeEmpty'};
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let bestDiff = 0xFFFFFF;
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//console.log('choosePhotoSize', photo);
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let sizes = photo.sizes || photo.thumbs;
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if(!sizes) return bestPhotoSize;
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sizes.forEach((photoSize: typeof bestPhotoSize) => {
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if(!photoSize.w || !photoSize.h) return;
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let diff = Math.abs(photoSize.w * photoSize.h - width * height);
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if(diff < bestDiff) {
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bestPhotoSize = photoSize;
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bestDiff = diff;
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}
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//console.log('diff', diff, photoSize, bestPhotoSize);
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});
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//console.log('choosing', photo, width, height, bestPhotoSize);
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return bestPhotoSize;
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}
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public getUserPhotos(userID: number, maxID: number, limit: number) {
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var inputUser = appUsersManager.getUserInput(userID);
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return apiManager.invokeApi('photos.getUserPhotos', {
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user_id: inputUser,
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offset: 0,
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limit: limit || 20,
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max_id: maxID || 0
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}).then((photosResult: any) => {
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appUsersManager.saveApiUsers(photosResult.users);
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var photoIDs = [];
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var context = {user_id: userID};
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for(var i = 0; i < photosResult.photos.length; i++) {
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//this.savePhoto(photosResult.photos[i], context);
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photosResult.photos[i] = this.savePhoto(photosResult.photos[i], context);
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photoIDs.push(photosResult.photos[i].id);
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}
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return {
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count: photosResult.count || photosResult.photos.length,
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photos: photoIDs
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};
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});
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}
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public setAttachmentPreview(bytes: Uint8Array, element: HTMLElement | SVGSVGElement, isSticker = false, background = false) {
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let arr: Uint8Array;
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if(!isSticker) {
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arr = AppPhotosManager.jf.concat(bytes.slice(3), AppPhotosManager.Df);
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arr[164] = bytes[1];
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arr[166] = bytes[2];
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} else {
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arr = bytes;
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}
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//console.log('setAttachmentPreview', bytes, arr, div, isSticker);
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let blob = new Blob([arr], {type: "image/jpeg"});
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if(background) {
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let url = URL.createObjectURL(blob);
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let img = new Image();
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img.src = url;
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img.onload = () => {
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element.style.backgroundImage = 'url(' + url + ')';
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};
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//element.style.backgroundImage = 'url(' + url + ')';
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} else {
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if(element instanceof SVGSVGElement) {
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let image = element.firstElementChild as SVGImageElement || document.createElementNS("http://www.w3.org/2000/svg", "image");
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image.setAttributeNS(null, 'href', URL.createObjectURL(blob));
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element.append(image);
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} else {
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let image = new Image();
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image.src = URL.createObjectURL(blob);
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image.style.width = '100%';
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image.style.height = '100%';
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element.append(image);
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}
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}
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}
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public setAttachmentSize(photoID: any, element: HTMLElement | SVGSVGElement, boxWidth = 380, boxHeight = 380, isSticker = false) {
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let photo: /* MTDocument | MTPhoto */any = null;
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if(typeof(photoID) === 'string') {
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photo = this.photos[photoID];
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if(!photo) return {_: 'photoEmpty'};
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} else {
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photo = photoID;
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}
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let photoSize = this.choosePhotoSize(photo, boxWidth, boxHeight);
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//console.log('setAttachmentSize', photo, photo.sizes[0].bytes, div);
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let sizes = photo.sizes || photo.thumbs;
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if((!photo.downloaded || (isSticker && photo.animated)) && sizes && sizes[0].bytes) {
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this.setAttachmentPreview(sizes[0].bytes, element, isSticker);
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}
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let width: number;
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let height: number;
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if(photo._ == 'document') {
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width = photo.w || 512;
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height = photo.h || 512;
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} else {
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width = photoSize.w || 100;
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height = photoSize.h || 100;
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}
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let {w, h} = calcImageInBox(width, height, boxWidth, boxHeight);
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if(element instanceof SVGSVGElement) {
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element.setAttributeNS(null, 'width', '' + w);
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element.setAttributeNS(null, 'height', '' + h);
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console.log('set dimensions to svg element:', element, w, h);
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if(element.firstElementChild) {
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let imageSvg = element.firstElementChild as SVGImageElement;
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imageSvg.setAttributeNS(null, 'width', '' + w);
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imageSvg.setAttributeNS(null, 'height', '' + h);
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}
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} else {
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element.style.width = w + 'px';
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element.style.height = h + 'px';
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}
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return photoSize;
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}
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public preloadPhoto(photoID: any, photoSize?: MTPhotoSize): Promise<Blob | void> {
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let photo = this.getPhoto(photoID);
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if(!photoSize) {
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let fullWidth = this.windowW;
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let fullHeight = this.windowH;
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photoSize = this.choosePhotoSize(photo, fullWidth, fullHeight);
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}
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if(photo.downloaded >= photoSize.size && photo.url) {
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return Promise.resolve();
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}
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if(!photoSize || photoSize._ == 'photoSizeEmpty') {
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console.error('no photoSize by photo:', photo);
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return Promise.reject('no photoSize');
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}
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// maybe it's a thumb
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let isPhoto = photoSize.size && photo.access_hash && photo.file_reference;
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let location = isPhoto ? {
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_: photo._ == 'document' ? 'inputDocumentFileLocation' : 'inputPhotoFileLocation',
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id: photo.id,
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access_hash: photo.access_hash,
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file_reference: photo.file_reference,
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thumb_size: photoSize.type
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} : photoSize.location;
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let promise: Promise<Blob>;
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if(isPhoto/* && photoSize.size >= 1e6 */) {
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//console.log('Photos downloadFile exec', photo);
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promise = apiFileManager.downloadFile(photo.dc_id, location, photoSize.size);
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} else {
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//console.log('Photos downloadSmallFile exec', photo, location);
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promise = apiFileManager.downloadSmallFile(location);
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}
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if(typeof(photoID) === 'string') {
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let photo = this.photos[photoID];
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promise.then(blob => {
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if(!photo.downloaded || photo.downloaded < blob.size) {
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photo.downloaded = blob.size;
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photo.url = URL.createObjectURL(blob);
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console.log('wrote photo:', photo, photoSize, blob);
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}
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});
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}
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return promise;
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}
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public getPhoto(photoID: any): MTPhoto {
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return isObject(photoID) ? photoID : this.photos[photoID];
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}
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public downloadPhoto(photoID: string) {
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var photo = this.photos[photoID];
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var ext = 'jpg';
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var mimeType = 'image/jpeg';
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var fileName = 'photo' + photoID + '.' + ext;
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var fullWidth = this.windowW;
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var fullHeight = this.windowH;
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var fullPhotoSize = this.choosePhotoSize(photo, fullWidth, fullHeight);
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var inputFileLocation = {
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// @ts-ignore
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_: photo._ == 'document' ? 'inputDocumentFileLocation' : 'inputPhotoFileLocation',
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id: photo.id,
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access_hash: photo.access_hash,
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file_reference: photo.file_reference,
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thumb_size: fullPhotoSize.type
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};
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try { // photo.dc_id, location, photoSize.size
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let writer = fileManager.chooseSaveFile(fileName, ext, mimeType, fullPhotoSize.size);
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writer.ready.then(() => {
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console.log('ready');
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apiFileManager.downloadFile(photo.dc_id, inputFileLocation, fullPhotoSize.size, {
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mimeType: mimeType,
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toFileEntry: writer
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}).then(() => {
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writer.close();
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//writer.abort();
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console.log('file save done', fileName, ext, mimeType, writer);
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}, (e: any) => {
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console.log('photo download failed', e);
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});
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});
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} catch(err) {
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console.error('err', err);
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var cachedBlob = apiFileManager.getCachedFile(inputFileLocation)
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if (cachedBlob) {
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return fileManager.download(cachedBlob, mimeType, fileName);
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}
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apiFileManager.downloadFile(photo.dc_id, inputFileLocation, fullPhotoSize.size, {mimeType: mimeType})
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.then((blob: Blob) => {
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fileManager.download(blob, mimeType, fileName);
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}, (e: any) => {
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console.log('photo download failed', e);
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});
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}
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}
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}
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export default new AppPhotosManager();
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