| // Copyright (c) 2012 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 CHROME_BROWSER_EXTENSIONS_WEBSTORE_INSTALL_HELPER_H_ |
| #define CHROME_BROWSER_EXTENSIONS_WEBSTORE_INSTALL_HELPER_H_ |
| |
| #include <memory> |
| #include <string> |
| |
| #include "base/memory/ref_counted.h" |
| #include "chrome/browser/bitmap_fetcher/bitmap_fetcher_delegate.h" |
| #include "services/data_decoder/public/cpp/data_decoder.h" |
| #include "third_party/skia/include/core/SkBitmap.h" |
| #include "url/gurl.h" |
| |
| namespace base { |
| class DictionaryValue; |
| } |
| |
| class BitmapFetcher; |
| |
| namespace network { |
| namespace mojom { |
| class URLLoaderFactory; |
| } |
| } // namespace network |
| |
| namespace extensions { |
| |
| // This is a class to help dealing with webstore-provided data. It manages |
| // sending work to the utility process for parsing manifests and |
| // fetching/decoding icon data. Clients must implement the |
| // WebstoreInstallHelper::Delegate interface to receive the parsed data. |
| class WebstoreInstallHelper : public base::RefCounted<WebstoreInstallHelper>, |
| public BitmapFetcherDelegate { |
| public: |
| class Delegate { |
| public: |
| enum InstallHelperResultCode { |
| UNKNOWN_ERROR, |
| ICON_ERROR, |
| MANIFEST_ERROR |
| }; |
| |
| // Called when we've successfully parsed the manifest and decoded the icon |
| // in the utility process. |
| virtual void OnWebstoreParseSuccess( |
| const std::string& id, |
| const SkBitmap& icon, |
| std::unique_ptr<base::DictionaryValue> parsed_manifest) = 0; |
| |
| // Called to indicate a parse failure. The |result_code| parameter should |
| // indicate whether the problem was with the manifest or icon. |
| virtual void OnWebstoreParseFailure( |
| const std::string& id, |
| InstallHelperResultCode result_code, |
| const std::string& error_message) = 0; |
| |
| protected: |
| virtual ~Delegate() {} |
| }; |
| |
| // It is legal for |icon_url| to be empty. |
| WebstoreInstallHelper(Delegate* delegate, |
| const std::string& id, |
| const std::string& manifest, |
| const GURL& icon_url); |
| void Start(network::mojom::URLLoaderFactory* loader_factory); |
| |
| private: |
| friend class base::RefCounted<WebstoreInstallHelper>; |
| |
| ~WebstoreInstallHelper() override; |
| |
| // Callback for the DataDecoder. |
| void OnJSONParsed(data_decoder::DataDecoder::ValueOrError result); |
| |
| // Implementing the BitmapFetcherDelegate interface. |
| void OnFetchComplete(const GURL& url, const SkBitmap* image) override; |
| |
| void ReportResultsIfComplete(); |
| |
| // The client who we'll report results back to. |
| Delegate* delegate_; |
| |
| // The extension id of the manifest we're parsing. |
| std::string id_; |
| |
| // The manifest to parse. |
| std::string manifest_; |
| |
| // If |icon_url_| is non-empty, it needs to be fetched and decoded into an |
| // SkBitmap. |
| GURL icon_url_; |
| std::unique_ptr<BitmapFetcher> icon_fetcher_; |
| |
| // Flags for whether we're done doing icon decoding and manifest parsing. |
| bool icon_decode_complete_; |
| bool manifest_parse_complete_; |
| |
| // The results of successful decoding/parsing. |
| SkBitmap icon_; |
| std::unique_ptr<base::DictionaryValue> parsed_manifest_; |
| |
| // A details string for keeping track of any errors. |
| std::string error_; |
| |
| // A code to distinguish between an error with the icon, and an error with the |
| // manifest. |
| Delegate::InstallHelperResultCode parse_error_; |
| }; |
| |
| } // namespace extensions |
| |
| #endif // CHROME_BROWSER_EXTENSIONS_WEBSTORE_INSTALL_HELPER_H_ |