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// Copyright 2014 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 COMPONENTS_FAVICON_BASE_FAVICON_TYPES_H_
#define COMPONENTS_FAVICON_BASE_FAVICON_TYPES_H_
#include "base/memory/ref_counted_memory.h"
#include "base/memory/scoped_ptr.h"
#include "ui/gfx/geometry/size.h"
#include "ui/gfx/image/image.h"
#include "url/gurl.h"
namespace favicon_base {
struct FallbackIconStyle;
typedef int64 FaviconID;
// Defines the icon types. They are also stored in icon_type field of favicons
// table.
// The values of the IconTypes are used to select the priority in which favicon
// data is returned in HistoryBackend and ThumbnailDatabase. Data for the
// largest IconType takes priority if data for multiple IconTypes is available.
enum IconType {
INVALID_ICON = 0x0,
FAVICON = 1 << 0,
TOUCH_ICON = 1 << 1,
TOUCH_PRECOMPOSED_ICON = 1 << 2
};
// Defines a gfx::Image of size desired_size_in_dip composed of image
// representations for each of the desired scale factors.
struct FaviconImageResult {
FaviconImageResult();
~FaviconImageResult();
// The resulting image.
gfx::Image image;
// The URL of the favicon which contains all of the image representations of
// |image|.
// TODO(pkotwicz): Return multiple |icon_urls| to allow |image| to have
// representations from several favicons once content::FaviconStatus supports
// multiple URLs.
GURL icon_url;
};
// Defines a favicon bitmap which best matches the desired DIP size and one of
// the desired scale factors.
struct FaviconRawBitmapResult {
FaviconRawBitmapResult();
~FaviconRawBitmapResult();
// Returns true if |bitmap_data| contains a valid bitmap.
bool is_valid() const { return bitmap_data.get() && bitmap_data->size(); }
// Indicates whether |bitmap_data| is expired.
bool expired;
// The bits of the bitmap.
scoped_refptr<base::RefCountedMemory> bitmap_data;
// The pixel dimensions of |bitmap_data|.
gfx::Size pixel_size;
// The URL of the containing favicon.
GURL icon_url;
// The icon type of the containing favicon.
IconType icon_type;
};
// Define type with same structure as FaviconRawBitmapResult for passing data to
// HistoryBackend::SetFavicons().
typedef FaviconRawBitmapResult FaviconRawBitmapData;
// Result returned by LargeIconService::GetLargeIconOrFallbackStyle(). Contains
// either the bitmap data if the favicon database has a sufficiently large
// favicon bitmap and the style of the fallback icon otherwise.
struct LargeIconResult {
explicit LargeIconResult(const FaviconRawBitmapResult& bitmap_in);
// Takes ownership of |fallback_icon_style_in|.
explicit LargeIconResult(FallbackIconStyle* fallback_icon_style_in);
~LargeIconResult();
// The bitmap from the favicon database if the database has a sufficiently
// large one.
FaviconRawBitmapResult bitmap;
// The fallback icon style if a sufficiently large icon isn't available. This
// uses the dominant color of a smaller icon as the background if available.
scoped_ptr<FallbackIconStyle> fallback_icon_style;
};
} // namespace favicon_base
#endif // COMPONENTS_FAVICON_BASE_FAVICON_TYPES_H_
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