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// Copyright 2013 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_CONTENT_SETTINGS_CORE_BROWSER_CONTENT_SETTINGS_USAGES_STATE_H_
#define COMPONENTS_CONTENT_SETTINGS_CORE_BROWSER_CONTENT_SETTINGS_USAGES_STATE_H_
#include <map>
#include <set>
#include "base/macros.h"
#include "components/content_settings/core/common/content_settings.h"
#include "components/content_settings/core/common/content_settings_types.h"
#include "url/gurl.h"
class HostContentSettingsMap;
// This class manages a content setting state per tab for a given
// |ContentSettingsType|, and provides information and presentation data about
// the content setting usage.
class ContentSettingsUsagesState {
public:
// Information about navigation.
struct CommittedDetails {
CommittedDetails();
~CommittedDetails();
bool current_url_valid;
GURL current_url;
GURL previous_url;
};
ContentSettingsUsagesState(
HostContentSettingsMap* host_content_settings_map,
ContentSettingsType type);
~ContentSettingsUsagesState();
typedef std::map<GURL, ContentSetting> StateMap;
const StateMap& state_map() const {
return state_map_;
}
// Sets the state for |requesting_origin|.
void OnPermissionSet(const GURL& requesting_origin, bool allowed);
// Delegated by WebContents to indicate a navigation has happened and we
// may need to clear our settings.
void DidNavigate(const CommittedDetails& details);
void ClearStateMap();
enum TabState {
TABSTATE_NONE = 0,
// There's at least one entry with non-default setting.
TABSTATE_HAS_EXCEPTION = 1 << 1,
// There's at least one entry with a non-ASK setting.
TABSTATE_HAS_ANY_ICON = 1 << 2,
// There's at least one entry with ALLOWED setting.
TABSTATE_HAS_ANY_ALLOWED = 1 << 3,
// There's at least one entry that doesn't match the saved setting.
TABSTATE_HAS_CHANGED = 1 << 4,
};
// Maps ContentSetting to a set of hosts formatted for presentation.
typedef std::map<ContentSetting, std::set<std::string> >
FormattedHostsPerState;
void GetDetailedInfo(FormattedHostsPerState* formatted_hosts_per_state,
unsigned int* tab_state_flags) const;
private:
std::string GURLToFormattedHost(const GURL& url) const;
HostContentSettingsMap* const host_content_settings_map_;
ContentSettingsType type_;
StateMap state_map_;
GURL embedder_url_;
DISALLOW_COPY_AND_ASSIGN(ContentSettingsUsagesState);
};
#endif // COMPONENTS_CONTENT_SETTINGS_CORE_BROWSER_CONTENT_SETTINGS_USAGES_STATE_H_
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