Index: ios/web/public/image_fetcher/image_data_fetcher.h |
diff --git a/ios/web/public/image_fetcher/image_data_fetcher.h b/ios/web/public/image_fetcher/image_data_fetcher.h |
deleted file mode 100644 |
index 797a2d3e970456ef0e0e9664528fdc95c8f0a2ff..0000000000000000000000000000000000000000 |
--- a/ios/web/public/image_fetcher/image_data_fetcher.h |
+++ /dev/null |
@@ -1,96 +0,0 @@ |
-// Copyright 2011 The Chromium Authors. All rights reserved. |
-// Use of this source code is governed by a BSD-style license that can be |
-// found in the LICENSE file. |
- |
-#ifndef IOS_WEB_PUBLIC_IMAGE_FETCHER_IMAGE_DATA_FETCHER_H_ |
-#define IOS_WEB_PUBLIC_IMAGE_FETCHER_IMAGE_DATA_FETCHER_H_ |
- |
-#include <map> |
- |
-#include "base/mac/scoped_block.h" |
-#include "base/memory/ref_counted.h" |
-#include "base/memory/weak_ptr.h" |
-#include "net/url_request/url_fetcher_delegate.h" |
-#include "net/url_request/url_request.h" |
- |
-class GURL; |
-@class NSData; |
- |
-namespace base { |
-class TaskRunner; |
-} |
- |
-namespace net { |
-class URLRequestContextGetter; |
-} |
- |
-namespace web { |
- |
-// Callback that informs of the download of an image encoded in |data|, |
-// downloaded from |url|, and with the http status |http_response_code|. If the |
-// url is a data URL, |http_response_code| is always 200. |
-using ImageFetchedCallback = void (^)(const GURL& url, |
- int http_response_code, |
- NSData* data); |
- |
-// Utility class that will retrieve an image from an URL. The image is returned |
-// as NSData which can be used with +[UIImage imageWithData:]. This class |
-// usually returns the raw bytes retrieved from the network without any |
-// processing, with the exception of WebP encoded images. Those are decoded and |
-// then reencoded in a format suitable for UIImage. |
-// An instance of this class can download a number of images at the same time. |
-class ImageDataFetcher : public net::URLFetcherDelegate { |
- public: |
- // The TaskRunner is used to eventually decode the image. |
- explicit ImageDataFetcher(const scoped_refptr<base::TaskRunner>& task_runner); |
- ~ImageDataFetcher() override; |
- |
- // Start downloading the image at the given |url|. The |callback| will be |
- // called with the downloaded image, or nil if any error happened. The |
- // |referrer| and |referrer_policy| will be passed on to the underlying |
- // URLFetcher. |
- // This method assumes the request context getter has been set. |
- // (virtual for testing) |
- virtual void StartDownload(const GURL& url, |
- ImageFetchedCallback callback, |
- const std::string& referrer, |
- net::URLRequest::ReferrerPolicy referrer_policy); |
- |
- // Helper method to call StartDownload without a referrer. |
- // (virtual for testing) |
- virtual void StartDownload(const GURL& url, ImageFetchedCallback callback); |
- |
- // A valid request context getter is required before starting the download. |
- // (virtual for testing) |
- virtual void SetRequestContextGetter( |
- const scoped_refptr<net::URLRequestContextGetter>& |
- request_context_getter); |
- |
- // net::URLFetcherDelegate: |
- void OnURLFetchComplete(const net::URLFetcher* source) override; |
- |
- private: |
- // Runs the callback with the given arguments. |
- void RunCallback(const base::mac::ScopedBlock<ImageFetchedCallback>& callback, |
- const GURL& url, |
- const int http_response_code, |
- NSData* data); |
- |
- // Tracks open download requests. The key is the URLFetcher object doing the |
- // fetch; the value is the callback to use when the download request |
- // completes. When a download request completes, the URLFetcher must be |
- // deleted and the callback called and released. |
- std::map<const net::URLFetcher*, ImageFetchedCallback> downloads_in_progress_; |
- scoped_refptr<net::URLRequestContextGetter> request_context_getter_; |
- |
- // The task runner used to decode images if necessary. |
- const scoped_refptr<base::TaskRunner> task_runner_; |
- |
- // The WeakPtrFactory is used to cancel callbacks if ImageDataFetcher is |
- // destroyed during WebP decoding. |
- base::WeakPtrFactory<ImageDataFetcher> weak_factory_; |
-}; |
- |
-#endif // IOS_WEB_PUBLIC_IMAGE_FETCHER_IMAGE_DATA_FETCHER_H_ |
- |
-} // namespace web |