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Side by Side Diff: mojo/fetcher/about_fetcher.h

Issue 1343823002: Revert of Move fetching logic out of ApplicationManager, eliminate url mappings. (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: Created 5 years, 3 months ago
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1 // Copyright 2015 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
4
5 #ifndef MOJO_FETCHER_ABOUT_FETCHER_H_
6 #define MOJO_FETCHER_ABOUT_FETCHER_H_
7
8 #include "mojo/shell/fetcher.h"
9
10 #include "base/macros.h"
11 #include "mojo/services/network/public/interfaces/url_loader.mojom.h"
12 #include "url/gurl.h"
13
14 namespace mojo {
15 namespace fetcher {
16
17 // Implements Fetcher for about: URLs.
18 class AboutFetcher : public shell::Fetcher {
19 public:
20 static const char kAboutScheme[];
21 static const char kAboutBlankURL[];
22
23 static void Start(const GURL& url, const FetchCallback& loader_callback);
24
25 private:
26 AboutFetcher(const GURL& url, const FetchCallback& loader_callback);
27 ~AboutFetcher() override;
28
29 void BuildResponse();
30
31 // Must be called exactly once to run the loader callback (asynchrously). On
32 // success, the ownership of this object is passed to the loader callback;
33 // otherwise, the callback is run with a nullptr and this object is destroyed.
34 void PostToRunCallback(bool success);
35
36 // shell::Fetcher implementation.
37 const GURL& GetURL() const override;
38 GURL GetRedirectURL() const override;
39 GURL GetRedirectReferer() const override;
40 URLResponsePtr AsURLResponse(base::TaskRunner* task_runner,
41 uint32_t skip) override;
42 void AsPath(
43 base::TaskRunner* task_runner,
44 base::Callback<void(const base::FilePath&, bool)> callback) override;
45 std::string MimeType() override;
46 bool HasMojoMagic() override;
47 bool PeekFirstLine(std::string* line) override;
48
49 const GURL url_;
50 URLResponsePtr response_;
51
52 DISALLOW_COPY_AND_ASSIGN(AboutFetcher);
53 };
54
55 } // namespace fetcher
56 } // namespace mojo
57
58 #endif // MOJO_FETCHER_ABOUT_FETCHER_H_
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