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
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
|
// 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.
#include "third_party/blink/renderer/modules/notifications/notification_resources_loader.h"
#include <cmath>
#include "third_party/blink/renderer/platform/heap/persistent.h"
#include "third_party/blink/renderer/platform/histogram.h"
#include "third_party/blink/renderer/platform/weborigin/kurl.h"
#include "third_party/blink/renderer/platform/wtf/threading.h"
#include "third_party/blink/renderer/platform/wtf/time.h"
namespace blink {
NotificationResourcesLoader::NotificationResourcesLoader(
CompletionCallback completion_callback)
: started_(false),
completion_callback_(std::move(completion_callback)),
pending_request_count_(0) {
DCHECK(completion_callback_);
}
NotificationResourcesLoader::~NotificationResourcesLoader() = default;
void NotificationResourcesLoader::Start(
ExecutionContext* context,
const mojom::blink::NotificationData& notification_data) {
DCHECK(!started_);
started_ = true;
size_t num_actions = notification_data.actions.has_value()
? notification_data.actions->size()
: 0;
pending_request_count_ = 3 /* image, icon, badge */ + num_actions;
// TODO(johnme): ensure image is not loaded when it will not be used.
// TODO(mvanouwerkerk): ensure no badge is loaded when it will not be used.
LoadImage(context, NotificationImageLoader::Type::kImage,
notification_data.image,
WTF::Bind(&NotificationResourcesLoader::DidLoadImage,
WrapWeakPersistent(this)));
LoadImage(context, NotificationImageLoader::Type::kIcon,
notification_data.icon,
WTF::Bind(&NotificationResourcesLoader::DidLoadIcon,
WrapWeakPersistent(this)));
LoadImage(context, NotificationImageLoader::Type::kBadge,
notification_data.badge,
WTF::Bind(&NotificationResourcesLoader::DidLoadBadge,
WrapWeakPersistent(this)));
action_icons_.resize(num_actions);
for (size_t i = 0; i < num_actions; i++)
LoadImage(context, NotificationImageLoader::Type::kActionIcon,
notification_data.actions.value()[i]->icon,
WTF::Bind(&NotificationResourcesLoader::DidLoadActionIcon,
WrapWeakPersistent(this), i));
}
mojom::blink::NotificationResourcesPtr
NotificationResourcesLoader::GetResources() const {
auto resources = mojom::blink::NotificationResources::New();
resources->image = image_;
resources->icon = icon_;
resources->badge = badge_;
resources->action_icons = action_icons_;
return resources;
}
void NotificationResourcesLoader::Stop() {
for (auto image_loader : image_loaders_)
image_loader->Stop();
}
void NotificationResourcesLoader::Trace(blink::Visitor* visitor) {
visitor->Trace(image_loaders_);
}
void NotificationResourcesLoader::LoadImage(
ExecutionContext* context,
NotificationImageLoader::Type type,
const KURL& url,
NotificationImageLoader::ImageCallback image_callback) {
if (url.IsNull() || url.IsEmpty() || !url.IsValid()) {
DidFinishRequest();
return;
}
NotificationImageLoader* image_loader = new NotificationImageLoader(type);
image_loaders_.push_back(image_loader);
image_loader->Start(context, url, std::move(image_callback));
}
void NotificationResourcesLoader::DidLoadImage(const SkBitmap& image) {
image_ = NotificationImageLoader::ScaleDownIfNeeded(
image, NotificationImageLoader::Type::kImage);
DidFinishRequest();
}
void NotificationResourcesLoader::DidLoadIcon(const SkBitmap& image) {
icon_ = NotificationImageLoader::ScaleDownIfNeeded(
image, NotificationImageLoader::Type::kIcon);
DidFinishRequest();
}
void NotificationResourcesLoader::DidLoadBadge(const SkBitmap& image) {
badge_ = NotificationImageLoader::ScaleDownIfNeeded(
image, NotificationImageLoader::Type::kBadge);
DidFinishRequest();
}
void NotificationResourcesLoader::DidLoadActionIcon(size_t action_index,
const SkBitmap& image) {
DCHECK_LT(action_index, action_icons_.size());
action_icons_[action_index] = NotificationImageLoader::ScaleDownIfNeeded(
image, NotificationImageLoader::Type::kActionIcon);
DidFinishRequest();
}
void NotificationResourcesLoader::DidFinishRequest() {
DCHECK_GT(pending_request_count_, 0);
pending_request_count_--;
if (!pending_request_count_) {
Stop();
std::move(completion_callback_).Run(this);
// The |this| pointer may have been deleted now.
}
}
} // namespace blink
|
