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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 EXTENSIONS_COMMON_EXTENSION_ICON_SET_H_
#define EXTENSIONS_COMMON_EXTENSION_ICON_SET_H_
#include <map>
#include <set>
#include <string>
#include "base/strings/string_piece.h"
namespace base {
class FilePath;
}
// Represents the set of icons for an extension.
class ExtensionIconSet {
public:
// Get an icon from the set, optionally falling back to a smaller or bigger
// size. MatchType is exclusive (do not OR them together).
enum MatchType {
MATCH_EXACTLY,
MATCH_BIGGER,
MATCH_SMALLER
};
// Access to the underlying map from icon size->{path, bitmap}.
typedef std::map<int, std::string> IconMap;
ExtensionIconSet();
ExtensionIconSet(const ExtensionIconSet& other);
~ExtensionIconSet();
const IconMap& map() const { return map_; }
bool empty() const { return map_.empty(); }
// Remove all icons from the set.
void Clear();
// Add an icon path to the set. If a path for the specified size_in_px is
// already present, it is overwritten.
void Add(int size_in_px, const std::string& path);
// Gets path value of the icon found when searching for |size_in_px| using
// |match_type|.
const std::string& Get(int size_in_px, MatchType match_type) const;
// Returns true iff the set contains the specified path.
bool ContainsPath(base::StringPiece path) const;
// Returns icon size (in pixels) if the set contains the specified path or 0
// if not found.
int GetIconSizeFromPath(base::StringPiece path) const;
// Add the paths of all icons in this set into |paths|, handling the
// conversion of (string) -> (base::FilePath). Note that these paths are not
// validated in any way, so they may be invalid paths or reference
// nonexistent files.
void GetPaths(std::set<base::FilePath>* paths) const;
private:
IconMap map_;
};
#endif // EXTENSIONS_COMMON_EXTENSION_ICON_SET_H_
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