Index: third_party/WebKit/Source/modules/notifications/NotificationImageLoader.h |
diff --git a/third_party/WebKit/Source/modules/notifications/NotificationImageLoader.h b/third_party/WebKit/Source/modules/notifications/NotificationImageLoader.h |
new file mode 100644 |
index 0000000000000000000000000000000000000000..5fde3bd905108340967a22e0209bcc17750e23a7 |
--- /dev/null |
+++ b/third_party/WebKit/Source/modules/notifications/NotificationImageLoader.h |
@@ -0,0 +1,63 @@ |
+// Copyright 2016 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 NotificationImageLoader_h |
+#define NotificationImageLoader_h |
+ |
+#include "core/loader/ThreadableLoader.h" |
+#include "core/loader/ThreadableLoaderClient.h" |
+#include "platform/SharedBuffer.h" |
+#include "platform/heap/Handle.h" |
+#include "wtf/Functional.h" |
+#include "wtf/OwnPtr.h" |
+#include "wtf/PassOwnPtr.h" |
+#include "wtf/RefPtr.h" |
+ |
+class SkBitmap; |
+ |
+namespace blink { |
+ |
+class ExecutionContext; |
+class KURL; |
+class ResourceError; |
+ |
+// Asynchronously downloads an image when given a url, decodes the loaded data, |
+// and passes the bitmap to the given callback. |
+class NotificationImageLoader final : public GarbageCollectedFinalized<NotificationImageLoader>, public ThreadableLoaderClient { |
+public: |
+ // The bitmap may be empty if the request failed or the image data could not |
+ // be decoded. |
+ using ImageCallback = Function<void(const SkBitmap&)>; |
+ |
+ NotificationImageLoader(); |
+ ~NotificationImageLoader() override; |
+ |
+ // Asynchronously downloads an image from the given url, decodes the loaded |
+ // data, and passes the bitmap to the callback. |
+ void start(ExecutionContext*, const KURL&, PassOwnPtr<ImageCallback>); |
+ |
+ // Cancels the pending load, if there is one. The |m_imageCallback| will not |
+ // be run. |
+ void stop(); |
+ |
+ // ThreadableLoaderClient interface. |
+ void didReceiveData(const char* data, unsigned length) override; |
+ void didFinishLoading(unsigned long resourceIdentifier, double finishTime) override; |
+ void didFail(const ResourceError&) override; |
+ void didFailRedirectCheck() override; |
+ |
+ DEFINE_INLINE_TRACE() {} |
+ |
+private: |
+ void runCallbackWithEmptyBitmap(); |
+ |
+ bool m_stopped; |
+ RefPtr<SharedBuffer> m_data; |
+ OwnPtr<ImageCallback> m_imageCallback; |
+ OwnPtr<ThreadableLoader> m_threadableLoader; |
+}; |
+ |
+} // namespace blink |
+ |
+#endif // NotificationImageLoader_h |