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
81
82
83
|
// 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 NotificationResourcesLoader_h
#define NotificationResourcesLoader_h
#include "modules/ModulesExport.h"
#include "modules/notifications/NotificationImageLoader.h"
#include "platform/heap/GarbageCollected.h"
#include "platform/heap/Handle.h"
#include "platform/heap/HeapAllocator.h"
#include "platform/heap/ThreadState.h"
#include "third_party/skia/include/core/SkBitmap.h"
#include "wtf/Functional.h"
#include "wtf/Vector.h"
#include <memory>
namespace blink {
class ExecutionContext;
struct WebNotificationData;
struct WebNotificationResources;
// Fetches the resources specified in a given WebNotificationData. Uses a
// callback to notify the caller when all fetches have finished.
class MODULES_EXPORT NotificationResourcesLoader final
: public GarbageCollectedFinalized<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 = Function<void(NotificationResourcesLoader*)>;
explicit NotificationResourcesLoader(std::unique_ptr<CompletionCallback>);
~NotificationResourcesLoader();
// Starts fetching the resources specified in the given WebNotificationData.
// 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*, const WebNotificationData&);
// Returns a new WebNotificationResources populated with the resources that
// have been fetched.
std::unique_ptr<WebNotificationResources> getResources() const;
// Stops every loader in |m_imageLoaders|. This is also used as the
// pre-finalizer.
void stop();
DECLARE_VIRTUAL_TRACE();
private:
void loadImage(ExecutionContext*,
NotificationImageLoader::Type,
const KURL&,
std::unique_ptr<NotificationImageLoader::ImageCallback>);
void didLoadImage(const SkBitmap& image);
void didLoadIcon(const SkBitmap& image);
void didLoadBadge(const SkBitmap& image);
void didLoadActionIcon(size_t actionIndex, const SkBitmap& image);
// Decrements |m_pendingRequestCount| and runs |m_completionCallback| if
// there are no more pending requests.
void didFinishRequest();
bool m_started;
std::unique_ptr<CompletionCallback> m_completionCallback;
int m_pendingRequestCount;
HeapVector<Member<NotificationImageLoader>> m_imageLoaders;
SkBitmap m_image;
SkBitmap m_icon;
SkBitmap m_badge;
Vector<SkBitmap> m_actionIcons;
};
} // namespace blink
#endif // NotificationResourcesLoader_h
|
