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1 // Copyright 2014 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 COMPONENTS_FAVICON_BASE_FAVICON_TYPES_H_
6 #define COMPONENTS_FAVICON_BASE_FAVICON_TYPES_H_
7 
8 #include "base/memory/ref_counted_memory.h"
9 #include "ui/gfx/image/image.h"
10 #include "ui/gfx/size.h"
11 #include "url/gurl.h"
12 
13 namespace favicon_base {
14 
15 typedef int64 FaviconID;
16 
17 // Defines the icon types. They are also stored in icon_type field of favicons
18 // table.
19 // The values of the IconTypes are used to select the priority in which favicon
20 // data is returned in HistoryBackend and ThumbnailDatabase. Data for the
21 // largest IconType takes priority if data for multiple IconTypes is available.
22 enum IconType {
23   INVALID_ICON = 0x0,
24   FAVICON = 1 << 0,
25   TOUCH_ICON = 1 << 1,
26   TOUCH_PRECOMPOSED_ICON = 1 << 2
27 };
28 
29 // Defines a gfx::Image of size desired_size_in_dip composed of image
30 // representations for each of the desired scale factors.
31 struct FaviconImageResult {
32   FaviconImageResult();
33   ~FaviconImageResult();
34 
35   // The resulting image.
36   gfx::Image image;
37 
38   // The URL of the favicon which contains all of the image representations of
39   // |image|.
40   // TODO(pkotwicz): Return multiple |icon_urls| to allow |image| to have
41   // representations from several favicons once content::FaviconStatus supports
42   // multiple URLs.
43   GURL icon_url;
44 };
45 
46 // Defines a favicon bitmap which best matches the desired DIP size and one of
47 // the desired scale factors.
48 struct FaviconRawBitmapResult {
49   FaviconRawBitmapResult();
50   ~FaviconRawBitmapResult();
51 
52   // Returns true if |bitmap_data| contains a valid bitmap.
is_validFaviconRawBitmapResult53   bool is_valid() const { return bitmap_data.get() && bitmap_data->size(); }
54 
55   // Indicates whether |bitmap_data| is expired.
56   bool expired;
57 
58   // The bits of the bitmap.
59   scoped_refptr<base::RefCountedMemory> bitmap_data;
60 
61   // The pixel dimensions of |bitmap_data|.
62   gfx::Size pixel_size;
63 
64   // The URL of the containing favicon.
65   GURL icon_url;
66 
67   // The icon type of the containing favicon.
68   IconType icon_type;
69 };
70 
71 // Define type with same structure as FaviconRawBitmapResult for passing data to
72 // HistoryBackend::SetFavicons().
73 typedef FaviconRawBitmapResult FaviconRawBitmapData;
74 
75 }  // namespace favicon_base
76 
77 #endif  // COMPONENTS_FAVICON_BASE_FAVICON_TYPES_H_
78