blob: b3164331bb169556f3e922b4d04e3eaa2c7eaf55 (
plain)
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
|
// Copyright (c) 2012 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.
#ifndef WEBKIT_GLUE_MULTI_RESOLUTION_IMAGE_RESOURCE_FETCHER_H_
#define WEBKIT_GLUE_MULTI_RESOLUTION_IMAGE_RESOURCE_FETCHER_H_
#include <vector>
#include "base/basictypes.h"
#include "base/callback.h"
#include "webkit/glue/resource_fetcher.h"
#include "webkit/glue/webkit_glue_export.h"
class SkBitmap;
namespace webkit_glue {
// A resource fetcher that returns all (differently-sized) frames in
// an image. Useful for favicons.
class MultiResolutionImageResourceFetcher{
public:
typedef base::Callback<void(MultiResolutionImageResourceFetcher*,
const std::vector<SkBitmap>&)> Callback;
WEBKIT_GLUE_EXPORT MultiResolutionImageResourceFetcher(
const GURL& image_url,
WebKit::WebFrame* frame,
int id,
WebKit::WebURLRequest::TargetType target_type,
const Callback& callback);
WEBKIT_GLUE_EXPORT virtual ~MultiResolutionImageResourceFetcher();
// URL of the image we're downloading.
const GURL& image_url() const { return image_url_; }
// Unique identifier for the request.
int id() const { return id_; }
private:
// ResourceFetcher::Callback. Decodes the image and invokes callback_.
void OnURLFetchComplete(const WebKit::WebURLResponse& response,
const std::string& data);
Callback callback_;
// Unique identifier for the request.
const int id_;
// URL of the image.
const GURL image_url_;
// Does the actual download.
scoped_ptr<ResourceFetcher> fetcher_;
DISALLOW_COPY_AND_ASSIGN(MultiResolutionImageResourceFetcher);
};
} // namespace webkit_glue
#endif // WEBKIT_GLUE_MULTI_RESOLUTION_IMAGE_RESOURCE_FETCHER_H_
|
