Fix setting background patterns

src/components/chat/bubbles.ts

@@ -847,7 +847,7 @@ export default class ChatBubbles {
           this.onUnreadedInViewport(target, mid);
         }
       });
-    });
+    }, {root: this.scrollable.container});
 
     this.viewsObserver = new IntersectionObserver((entries) => {
       entries.forEach(entry => {
@@ -870,7 +870,7 @@ export default class ChatBubbles {
           }
         }
       });
-    });
+    }, {root: this.scrollable.container});
 
     this.sendViewCountersDebounced = debounce(() => {
       const mids = [...this.viewsMids];

src/helpers/blob/blobConstruct.ts

@@ -11,7 +11,11 @@
 
 import blobSafeMimeType from "./blobSafeMimeType";
 
-export default function blobConstruct(blobParts: any, mimeType: string = ''): Blob {
+export default function blobConstruct<T extends Uint8Array | string>(blobParts: Array<T> | T, mimeType: string = ''): Blob {
+  if(!Array.isArray(blobParts)) {
+    blobParts = [blobParts];
+  }
+
   let blob;
   const safeMimeType = blobSafeMimeType(mimeType);
   try {

src/lib/cacheStorage.ts

@@ -78,7 +78,7 @@ export default class CacheStorageController {
   public saveFile(fileName: string, blob: Blob | Uint8Array) {
     //return Promise.resolve(blobConstruct([blob]));
     if(!(blob instanceof Blob)) {
-      blob = blobConstruct(blob) as Blob;
+      blob = blobConstruct(blob);
     }
 
     const response = new Response(blob, {
@@ -123,8 +123,8 @@ export default class CacheStorageController {
     });
   }
 
-  public getFileWriter(fileName: string, mimeType: string) {
-    const fakeWriter = FileManager.getFakeFileWriter(mimeType, (blob) => {
+  public getFileWriter(fileName: string, fileSize: number, mimeType: string) {
+    const fakeWriter = FileManager.getFakeFileWriter(mimeType, fileSize, (blob) => {
       return this.saveFile(fileName, blob).catch(() => blob);
     });
 

src/lib/fileManager.ts

@@ -10,7 +10,6 @@
  */
 
 import blobConstruct from "../helpers/blob/blobConstruct";
-import readBlobAsUint8Array from "../helpers/blob/readBlobAsUint8Array";
 
 export class FileManager {
   private blobSupported = true;
@@ -27,37 +26,34 @@ export class FileManager {
     return this.blobSupported;
   }
   
-  public write(fileWriter: ReturnType<FileManager['getFakeFileWriter']>, bytes: Uint8Array | Blob | string): Promise<void> {
-    if(bytes instanceof Blob) { // is file bytes
-      return readBlobAsUint8Array(bytes).then(arr => {
-        return fileWriter.write(arr);
-      });
-    } else {
-      return fileWriter.write(bytes);
-    }
-  }
-
-  public getFakeFileWriter(mimeType: string, saveFileCallback?: (blob: Blob) => Promise<Blob>) {
-    const blobParts: Array<Uint8Array | string> = [];
+  public getFakeFileWriter(mimeType: string, size: number, saveFileCallback?: (blob: Blob) => Promise<Blob>) {
+    let bytes: Uint8Array = new Uint8Array(size);
     const fakeFileWriter = {
-      write: async(part: Uint8Array | string) => {
+      write: async(part: Uint8Array, offset: number) => {
         if(!this.blobSupported) {
           throw false;
         }
         
-        blobParts.push(part);
+        bytes.set(part, offset);
       },
       truncate: () => {
-        blobParts.length = 0;
+        bytes = new Uint8Array();
+      },
+      trim: (size: number) => {
+        bytes = bytes.slice(0, size);
       },
       finalize: (saveToStorage = true) => {
-        const blob = blobConstruct(blobParts, mimeType);
+        const blob = blobConstruct(bytes, mimeType);
 
         if(saveToStorage && saveFileCallback) {
           saveFileCallback(blob);
         }
         
         return blob;
+      },
+      getParts: () => bytes,
+      replaceParts: (parts: typeof bytes) => {
+        bytes = parts;
       }
     };
     

src/lib/idb.ts

@@ -260,7 +260,7 @@ export default class IDBStorage<T extends Database<any>> {
   public saveFile(fileName: string, blob: Blob | Uint8Array) {
     //return Promise.resolve(blobConstruct([blob]));
     if(!(blob instanceof Blob)) {
-      blob = blobConstruct([blob]) as Blob;
+      blob = blobConstruct(blob);
     }
 
     return this.save(fileName, blob);

src/lib/mtproto/apiFileManager.ts

@@ -272,13 +272,13 @@ export class ApiFileManager {
   private uncompressTGS = (bytes: Uint8Array, fileName: string) => {
     //this.log('uncompressTGS', bytes, bytes.slice().buffer);
     // slice нужен потому что в uint8array - 5053 length, в arraybuffer - 5084
-    return cryptoWorker.invokeCrypto('gzipUncompress', bytes.slice().buffer, true) as Promise<string>;
+    return cryptoWorker.invokeCrypto('gzipUncompress', bytes.slice().buffer, false) as Promise<Uint8Array>;
   };
 
   private uncompressTGV = (bytes: Uint8Array, fileName: string) => {
     //this.log('uncompressTGS', bytes, bytes.slice().buffer);
     // slice нужен потому что в uint8array - 5053 length, в arraybuffer - 5084
-    return cryptoWorker.invokeCrypto('gzipUncompress', bytes.slice().buffer, true) as Promise<string>;
+    return cryptoWorker.invokeCrypto('gzipUncompress', bytes.slice().buffer, false) as Promise<Uint8Array>;
   };
 
   private convertWebp = (bytes: Uint8Array, fileName: string) => {
@@ -408,11 +408,11 @@ export class ApiFileManager {
       deferred.resolve(blob);
     }).catch(() => {
       //this.log('not cached', fileName);
-      const fileWriterPromise = fileStorage.getFileWriter(fileName, mimeType);
+      const limit = options.limitPart || this.getLimitPart(size);
+      const fileWriterPromise = fileStorage.getFileWriter(fileName, size || limit, mimeType);
 
       fileWriterPromise.then((fileWriter) => {
         cacheFileWriter = fileWriter;
-        const limit = options.limitPart || this.getLimitPart(size);
         let offset: number;
         let startOffset = 0;
         let writeFilePromise: CancellablePromise<void> = Promise.resolve(),
@@ -422,7 +422,7 @@ export class ApiFileManager {
 
         //console.error('maxRequests', maxRequests);
 
-        const processDownloaded = async(bytes: Uint8Array, offset: number) => {
+        const processDownloaded = async(bytes: Uint8Array) => {
           if(process) {
             //const perf = performance.now();
             const processed = await process(bytes, fileName);
@@ -473,13 +473,18 @@ export class ApiFileManager {
                 deferred.notify({done, offset, total: size});
               //}
 
-              const processedResult = await processDownloaded(bytes, offset);
-              checkCancel();
-
               await writeFilePromise;
               checkCancel();
 
-              await fileManager.write(fileWriter, processedResult);
+              await fileWriter.write(bytes, offset);
+            }
+
+            if(isFinal && process) {
+              const bytes = fileWriter.getParts();
+              const processedResult = await processDownloaded(bytes);
+              checkCancel();
+
+              fileWriter.replaceParts(processedResult);
             }
 
             writeFileDeferred.resolve();
@@ -487,7 +492,12 @@ export class ApiFileManager {
             if(isFinal) {
               resolved = true;
 
-              deferred.resolve(fileWriter.finalize(size < MAX_FILE_SAVE_SIZE));
+              const realSize = size || bytes.byteLength;
+              if(!size) {
+                fileWriter.trim(realSize);
+              }
+
+              deferred.resolve(fileWriter.finalize(realSize < MAX_FILE_SAVE_SIZE));
             }
           } catch(err) {
             errorHandler(err as Error);

src/lib/rlottie/lottieLoader.ts

@@ -101,7 +101,7 @@ export class LottieLoader {
     return fetch(url)
     .then(res => {
       if(!res.headers || res.headers.get('content-type') === 'application/octet-stream') {
-        return res.arrayBuffer().then(data => apiManager.invokeCrypto('gzipUncompress', data)).then(arr => blobConstruct([arr], ''))
+        return res.arrayBuffer().then(data => apiManager.invokeCrypto('gzipUncompress', data)).then(arr => blobConstruct(arr as Uint8Array, ''))
       } else {
         return res.blob();
       }