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Issue 2399463007: AssociatedURLLoader shouldn't derive from WebURLLoader (Closed)
Patch Set: Rebase Created 4 years, 1 month ago
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1 /*
2 * Copyright (C) 2010, 2011 Google Inc. All rights reserved.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions are
6 * met:
7 *
8 * * Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * * Redistributions in binary form must reproduce the above
11 * copyright notice, this list of conditions and the following disclaimer
12 * in the documentation and/or other materials provided with the
13 * distribution.
14 * * Neither the name of Google Inc. nor the names of its
15 * contributors may be used to endorse or promote products derived from
16 * this software without specific prior written permission.
17 *
18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
19 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
20 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
21 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
22 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
23 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
24 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
29 */
30
31 #ifndef AssociatedURLLoader_h
32 #define AssociatedURLLoader_h
33
34 #include "platform/heap/Handle.h"
35 #include "public/platform/WebURLLoader.h"
36 #include "public/web/WebURLLoaderOptions.h"
37 #include "wtf/Noncopyable.h"
38 #include "wtf/RefPtr.h"
39 #include <memory>
40
41 namespace blink {
42
43 class DocumentThreadableLoader;
44 class WebLocalFrameImpl;
45
46 // This class is used to implement WebFrame::createAssociatedURLLoader.
47 class AssociatedURLLoader final : public WebURLLoader {
48 WTF_MAKE_NONCOPYABLE(AssociatedURLLoader);
49
50 public:
51 AssociatedURLLoader(WebLocalFrameImpl*, const WebURLLoaderOptions&);
52 ~AssociatedURLLoader();
53
54 // WebURLLoader methods:
55 void loadSynchronously(const WebURLRequest&,
56 WebURLResponse&,
57 WebURLError&,
58 WebData&,
59 int64_t& encodedDataLength) override;
60 void loadAsynchronously(const WebURLRequest&, WebURLLoaderClient*) override;
61 void cancel() override;
62 void setDefersLoading(bool) override;
63 void setLoadingTaskRunner(blink::WebTaskRunner*) override;
64
65 // Called by |m_observer| to handle destruction of the Document associated
66 // with the frame given to the constructor.
67 void documentDestroyed();
68
69 // Called by ClientAdapter to handle completion of loading.
70 void clientAdapterDone();
71
72 private:
73 class ClientAdapter;
74 class Observer;
75
76 void cancelLoader();
77 void disposeObserver();
78
79 WebURLLoaderClient* releaseClient() {
80 WebURLLoaderClient* client = m_client;
81 m_client = nullptr;
82 return client;
83 }
84
85 WebURLLoaderClient* m_client;
86 WebURLLoaderOptions m_options;
87
88 // An adapter which converts the DocumentThreadableLoaderClient method
89 // calls into the WebURLLoaderClient method calls.
90 std::unique_ptr<ClientAdapter> m_clientAdapter;
91 Persistent<DocumentThreadableLoader> m_loader;
92
93 // A ContextLifecycleObserver for cancelling |m_loader| when the Document
94 // is detached.
95 Persistent<Observer> m_observer;
96 };
97
98 } // namespace blink
99
100 #endif
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