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
|
// Copyright 2014 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef COMPONENTS_FAVICON_CORE_FAVICON_CLIENT_H_
#define COMPONENTS_FAVICON_CORE_FAVICON_CLIENT_H_
#include <vector>
#include "base/task/cancelable_task_tracker.h"
#include "components/favicon_base/favicon_callback.h"
class GURL;
namespace favicon {
// This class abstracts operations that depend on the embedder's environment,
// e.g. Chrome.
class FaviconClient {
public:
FaviconClient() = default;
FaviconClient(const FaviconClient&) = delete;
FaviconClient& operator=(const FaviconClient&) = delete;
virtual ~FaviconClient() = default;
// Returns true if the specified URL is a native application page URL.
// If this returns true the favicon for the page must be fetched using
// GetFaviconForNativeApplicationURL().
virtual bool IsNativeApplicationURL(const GURL& url) = 0;
// Returns true if the specified URL is a Reader Mode page URL. If this
// returns true the favicon for the page must be fetched using the original
// (distillable) page URL.
virtual bool IsReaderModeURL(const GURL& url) = 0;
// Gets the original page URL from a Reader Mode page URL.
virtual const GURL GetOriginalUrlFromReaderModeUrl(const GURL& url) = 0;
// Requests the favicon for a native application page URL for the sizes
// specified by `desired_sizes_in_pixel`. Returns a TaskId to use to cancel
// the request using `tracker` or kBadTaskId if the request cannot be
// scheduled. `callback` will be called with the favicon results.
virtual base::CancelableTaskTracker::TaskId GetFaviconForNativeApplicationURL(
const GURL& url,
const std::vector<int>& desired_sizes_in_pixel,
favicon_base::FaviconResultsCallback callback,
base::CancelableTaskTracker* tracker) = 0;
};
} // namespace favicon
#endif // COMPONENTS_FAVICON_CORE_FAVICON_CLIENT_H_
|
