Index: chrome/browser/chromeos/app_mode/kiosk_app_icon_loader.h |
diff --git a/chrome/browser/chromeos/app_mode/kiosk_app_icon_loader.h b/chrome/browser/chromeos/app_mode/kiosk_app_icon_loader.h |
new file mode 100644 |
index 0000000000000000000000000000000000000000..e4dc6b884eff7afbeab93038bdcaa42b62a9f346 |
--- /dev/null |
+++ b/chrome/browser/chromeos/app_mode/kiosk_app_icon_loader.h |
@@ -0,0 +1,85 @@ |
+// Copyright 2017 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_CHROMEOS_APP_MODE_KIOSK_APP_ICON_LOADER_H_ |
+#define CHROME_BROWSER_CHROMEOS_APP_MODE_KIOSK_APP_ICON_LOADER_H_ |
+ |
+#include "base/files/file_path.h" |
+#include "base/memory/ref_counted_memory.h" |
+#include "base/memory/weak_ptr.h" |
+#include "base/sequenced_task_runner.h" |
+#include "chrome/browser/image_decoder.h" |
+#include "ui/gfx/image/image_skia.h" |
+ |
+namespace chromeos { |
+ |
+// Loads locally stored icon data and decodes it. |
+class KioskAppIconLoader { |
+ public: |
+ enum LoadResult { |
+ SUCCESS, |
+ FAILED_TO_LOAD, |
+ FAILED_TO_DECODE, |
+ }; |
+ |
+ class Delegate { |
+ public: |
+ Delegate() = default; |
+ |
+ virtual void OnIconLoadSuccess(const gfx::ImageSkia& icon) = 0; |
+ virtual void OnIconLoadFailure() = 0; |
+ |
+ protected: |
+ virtual ~Delegate() = default; |
+ |
+ private: |
+ DISALLOW_COPY_AND_ASSIGN(Delegate); |
+ }; |
+ |
+ KioskAppIconLoader(const base::WeakPtr<Delegate>& client, |
+ const base::FilePath& icon_path); |
+ |
+ void Start(); |
+ |
+ private: |
+ friend class base::RefCountedThreadSafe<KioskAppIconLoader>; |
+ |
+ ~KioskAppIconLoader(); |
+ |
+ class IconImageRequest : public ImageDecoder::ImageRequest { |
khmel
2017/03/27 22:56:34
nit: Move to cc file and use here only forward dec
Sergey Poromov
2017/03/28 15:25:55
Done. Thanks, missed the opportunity.
|
+ public: |
+ IconImageRequest( |
+ const scoped_refptr<base::SequencedTaskRunner>& task_runner, |
+ KioskAppIconLoader* icon_loader); |
+ |
+ void OnImageDecoded(const SkBitmap& decoded_image) override; |
+ |
+ void OnDecodeImageFailed() override; |
+ |
+ private: |
+ ~IconImageRequest() override = default; |
+ KioskAppIconLoader* icon_loader_; |
+ }; |
+ |
+ // Loads the icon from locally stored |icon_path_| on the blocking pool |
+ void LoadOnBlockingPool(); |
+ void ReportResultOnBlockingPool(LoadResult result); |
+ void NotifyClient(); |
+ void ReportResultOnUIThread(); |
+ |
+ base::WeakPtr<Delegate> client_; |
+ base::FilePath icon_path_; |
+ |
+ LoadResult load_result_; |
+ scoped_refptr<base::SequencedTaskRunner> task_runner_; |
+ |
+ gfx::ImageSkia icon_; |
+ scoped_refptr<base::RefCountedString> raw_icon_; |
+ |
+ DISALLOW_COPY_AND_ASSIGN(KioskAppIconLoader); |
+}; |
+ |
+} // namespace chromeos |
+ |
+#endif // CHROME_BROWSER_CHROMEOS_APP_MODE_KIOSK_APP_ICON_LOADER_H_ |