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      1 // Copyright (c) 2011 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 CHROME_BROWSER_UI_CONTENT_SETTINGS_CONTENT_SETTING_IMAGE_MODEL_H_
      6 #define CHROME_BROWSER_UI_CONTENT_SETTINGS_CONTENT_SETTING_IMAGE_MODEL_H_
      7 
      8 #include <string>
      9 
     10 #include "base/basictypes.h"
     11 #include "chrome/common/content_settings_types.h"
     12 
     13 namespace content {
     14 class WebContents;
     15 }
     16 
     17 // This model provides data (icon ids and tooltip) for the content setting icons
     18 // that are displayed in the location bar.
     19 class ContentSettingImageModel {
     20  public:
     21   virtual ~ContentSettingImageModel() {}
     22 
     23   // Factory function.
     24   static ContentSettingImageModel* CreateContentSettingImageModel(
     25      ContentSettingsType content_settings_type);
     26 
     27   // Notifies this model that its setting might have changed and it may need to
     28   // update its visibility, icon and tooltip.
     29   virtual void UpdateFromWebContents(content::WebContents* web_contents) = 0;
     30 
     31   ContentSettingsType get_content_settings_type() const {
     32     return content_settings_type_;
     33   }
     34   bool is_visible() const { return is_visible_; }
     35   int get_icon() const { return icon_; }
     36   // Returns the resource ID of a string to show when the icon appears, or 0 if
     37   // we don't wish to show anything.
     38   int explanatory_string_id() const { return explanatory_string_id_; }
     39   std::string get_tooltip() const { return tooltip_; }
     40 
     41  protected:
     42   explicit ContentSettingImageModel(ContentSettingsType content_settings_type);
     43   void set_visible(bool visible) { is_visible_ = visible; }
     44   void set_icon(int icon) { icon_ = icon; }
     45   void set_explanatory_string_id(int text_id) {
     46     explanatory_string_id_ = text_id;
     47   }
     48   void set_tooltip(const std::string& tooltip) { tooltip_ = tooltip; }
     49 
     50  private:
     51   const ContentSettingsType content_settings_type_;
     52   bool is_visible_;
     53   int icon_;
     54   int explanatory_string_id_;
     55   std::string tooltip_;
     56 
     57   DISALLOW_COPY_AND_ASSIGN(ContentSettingImageModel);
     58 };
     59 
     60 #endif  // CHROME_BROWSER_UI_CONTENT_SETTINGS_CONTENT_SETTING_IMAGE_MODEL_H_
     61