text: // Copyright (c) 2010 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 CHROME_BROWSER_GEOLOCATION_GEOLOCATION_EXCEPTIONS_TABLE_MODEL_H_
  #define CHROME_BROWSER_GEOLOCATION_GEOLOCATION_EXCEPTIONS_TABLE_MODEL_H_
  #pragma once
  
  #include <vector>
  
  #include "base/compiler_specific.h"
  #include "chrome/browser/geolocation/geolocation_content_settings_map.h"
  #include "chrome/browser/remove_rows_table_model.h"
  #include "chrome/common/content_settings.h"
  #include "chrome/common/content_settings_types.h"
  
  class GeolocationExceptionsTableModel : public RemoveRowsTableModel {
   public:
    explicit GeolocationExceptionsTableModel(
        GeolocationContentSettingsMap* map);
    virtual ~GeolocationExceptionsTableModel();
  
    // RemoveRowsTableModel overrides:
  
    // Return whether the given set of rows can be removed.  A parent with setting
    // of CONTENT_SETTING_DEFAULT can't be removed unless all its children are
    // also being removed.
    virtual bool CanRemoveRows(const Rows& rows) const;
  
    // Removes the exceptions at the specified indexes.  If an exception is a
    // parent, and it has children, the row in model will be updated to have
    // CONTENT_SETTING_DEFAULT.  If it is the only child of a
    // CONTENT_SETTING_DEFAULT parent, the parent will be removed from the model
    // too.
    virtual void RemoveRows(const Rows& rows);
  
    // Removes all the exceptions from both the map and model.
    virtual void RemoveAll();
  
    // TableModel overrides:
    virtual int RowCount() OVERRIDE;
    virtual string16 GetText(int row, int column_id) OVERRIDE;
    virtual void SetObserver(ui::TableModelObserver* observer) OVERRIDE;
    virtual int CompareValues(int row1, int row2, int column_id) OVERRIDE;
  
   private:
    void AddEntriesForOrigin(
        const GURL& origin,
        const GeolocationContentSettingsMap::OneOriginSettings& settings);
  
    GeolocationContentSettingsMap* map_;
  
    struct Entry;
    typedef std::vector<Entry> EntriesVector;
    EntriesVector entries_;
  
    ui::TableModelObserver* observer_;
  
    DISALLOW_COPY_AND_ASSIGN(GeolocationExceptionsTableModel);
  };
  
  #endif  // CHROME_BROWSER_GEOLOCATION_GEOLOCATION_EXCEPTIONS_TABLE_MODEL_H_
  