1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
|
// Copyright 2016 The Chromium Authors
// 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 "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/collection_support/heap_vector.h"
#include "third_party/blink/renderer/platform/heap/garbage_collected.h"
#include "third_party/blink/renderer/platform/heap/prefinalizer.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;
// 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();
void Trace(Visitor* visitor) const;
private:
void LoadIcon(ExecutionContext* context,
const KURL& url,
const gfx::Size& 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_
|
