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
|
/*
* Copyright (c) 2020, Andreas Kling <kling@serenityos.org>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this
* list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#pragma once
#include <AK/ByteBuffer.h>
#include <AK/HashMap.h>
#include <AK/HashTable.h>
#include <AK/Noncopyable.h>
#include <AK/RefCounted.h>
#include <AK/URL.h>
#include <AK/WeakPtr.h>
#include <AK/Weakable.h>
#include <LibGfx/Forward.h>
#include <LibWeb/Forward.h>
#include <LibWeb/Loader/LoadRequest.h>
namespace Web {
class ResourceClient;
class Resource : public RefCounted<Resource> {
AK_MAKE_NONCOPYABLE(Resource);
AK_MAKE_NONMOVABLE(Resource);
public:
enum class Type {
Generic,
Image,
};
static NonnullRefPtr<Resource> create(Badge<ResourceLoader>, Type, const LoadRequest&);
virtual ~Resource();
Type type() const { return m_type; }
bool is_loaded() const { return m_loaded; }
bool is_failed() const { return m_failed; }
const String& error() const { return m_error; }
bool has_encoded_data() const { return !m_encoded_data.is_null(); }
const URL& url() const { return m_request.url(); }
const ByteBuffer& encoded_data() const { return m_encoded_data; }
const HashMap<String, String, CaseInsensitiveStringTraits>& response_headers() const { return m_response_headers; }
void register_client(Badge<ResourceClient>, ResourceClient&);
void unregister_client(Badge<ResourceClient>, ResourceClient&);
const String& encoding() const { return m_encoding; }
const String& mime_type() const { return m_mime_type; }
void for_each_client(Function<void(ResourceClient&)>);
void did_load(Badge<ResourceLoader>, ReadonlyBytes data, const HashMap<String, String, CaseInsensitiveStringTraits>& headers);
void did_fail(Badge<ResourceLoader>, const String& error);
protected:
explicit Resource(Type, const LoadRequest&);
private:
LoadRequest m_request;
ByteBuffer m_encoded_data;
Type m_type { Type::Generic };
bool m_loaded { false };
bool m_failed { false };
String m_error;
String m_encoding;
String m_mime_type;
HashMap<String, String, CaseInsensitiveStringTraits> m_response_headers;
HashTable<ResourceClient*> m_clients;
};
class ResourceClient : public Weakable<ResourceClient> {
public:
virtual ~ResourceClient();
virtual void resource_did_load() { }
virtual void resource_did_fail() { }
protected:
virtual Resource::Type client_type() const { return Resource::Type::Generic; }
Resource* resource() { return m_resource; }
const Resource* resource() const { return m_resource; }
void set_resource(Resource*);
private:
RefPtr<Resource> m_resource;
};
}
|
