| // 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 THIRD_PARTY_BLINK_RENDERER_MODULES_NOTIFICATIONS_NOTIFICATION_RESOURCES_LOADER_H_ |
| #define THIRD_PARTY_BLINK_RENDERER_MODULES_NOTIFICATIONS_NOTIFICATION_RESOURCES_LOADER_H_ |
| |
| #include <memory> |
| |
| #include "third_party/blink/public/mojom/notifications/notification.mojom-blink-forward.h" |
| #include "third_party/blink/renderer/core/loader/threaded_icon_loader.h" |
| #include "third_party/blink/renderer/modules/modules_export.h" |
| #include "third_party/blink/renderer/platform/heap/garbage_collected.h" |
| #include "third_party/blink/renderer/platform/heap/handle.h" |
| #include "third_party/blink/renderer/platform/heap/heap_allocator.h" |
| #include "third_party/blink/renderer/platform/heap/thread_state.h" |
| #include "third_party/blink/renderer/platform/wtf/functional.h" |
| #include "third_party/blink/renderer/platform/wtf/vector.h" |
| #include "third_party/skia/include/core/SkBitmap.h" |
| |
| namespace blink { |
| |
| class ExecutionContext; |
| struct WebSize; |
| |
| // Fetches the resources specified in a given NotificationData. Uses a |
| // callback to notify the caller when all fetches have finished. |
| class MODULES_EXPORT NotificationResourcesLoader final |
| : public GarbageCollected<NotificationResourcesLoader> { |
| USING_PRE_FINALIZER(NotificationResourcesLoader, Stop); |
| |
| public: |
| // Called when all fetches have finished. Passes a pointer to the |
| // NotificationResourcesLoader so callers that use multiple loaders can use |
| // the same function to handle the callbacks. |
| using CompletionCallback = |
| base::OnceCallback<void(NotificationResourcesLoader*)>; |
| |
| explicit NotificationResourcesLoader(CompletionCallback completion_callback); |
| ~NotificationResourcesLoader(); |
| |
| // Starts fetching the resources specified in the given NotificationData. |
| // If all the urls for the resources are empty or invalid, |
| // |m_completionCallback| will be run synchronously, otherwise it will be |
| // run asynchronously when all fetches have finished. Should not be called |
| // more than once. |
| void Start(ExecutionContext* context, |
| const mojom::blink::NotificationData& notification_data); |
| |
| // Returns a new NotificationResourcesPtr populated with the resources that |
| // have been fetched. |
| mojom::blink::NotificationResourcesPtr GetResources() const; |
| |
| // Stops every loader in |m_imageLoaders|. This is also used as the |
| // pre-finalizer. |
| void Stop(); |
| |
| virtual void Trace(blink::Visitor* visitor); |
| |
| private: |
| void LoadIcon(ExecutionContext* context, |
| const KURL& url, |
| const WebSize& resize_dimensions, |
| ThreadedIconLoader::IconCallback icon_callback); |
| |
| void DidLoadIcon(SkBitmap* out_icon, SkBitmap icon, double resize_scale); |
| |
| // Decrements |pending_request_count_| and runs |completion_callback_| if |
| // there are no more pending requests. |
| void DidFinishRequest(); |
| |
| bool started_; |
| CompletionCallback completion_callback_; |
| int pending_request_count_; |
| HeapVector<Member<ThreadedIconLoader>> icon_loaders_; |
| SkBitmap image_; |
| SkBitmap icon_; |
| SkBitmap badge_; |
| Vector<SkBitmap> action_icons_; |
| }; |
| |
| } // namespace blink |
| |
| #endif // THIRD_PARTY_BLINK_RENDERER_MODULES_NOTIFICATIONS_NOTIFICATION_RESOURCES_LOADER_H_ |