chrome/browser/ui/location_bar/origin_chip_info.h

   1 // Copyright 2014 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_LOCATION_BAR_ORIGIN_CHIP_INFO_H_
   6 #define CHROME_BROWSER_UI_LOCATION_BAR_ORIGIN_CHIP_INFO_H_
   7
   8 #include "base/strings/string16.h"
   9 #include "chrome/browser/ui/toolbar/toolbar_model.h"
  10 #include "extensions/browser/extension_icon_image.h"
  11
  12 class GURL;
  13 class Profile;
  14
  15 namespace content {
  16 class WebContents;
  17 }
  18
  19 // This class manages the information to be displayed by the origin chip.
  20 class OriginChipInfo {
  21  public:
  22   // The |owner| owns this OriginChipInfo and must outlive it. If the current
  23   // origin is an extension, the |owner|'s OnExtensionIconImageChanged()
  24   // method will be called whenever the icon changes.
  25   OriginChipInfo(extensions::IconImage::Observer* owner, Profile* profile);
  26   ~OriginChipInfo();
  27
  28   // Updates the current state. Returns whether the displayable information has
  29   // changed.
  30   bool Update(const content::WebContents* web_contents,
  31               const ToolbarModel* toolbar_model);
  32
  33   // Returns the label to be displayed by the origin chip.
  34   const base::string16& label() const { return label_; }
  35
  36   // Returns the tooltip to be used for the origin chip.
  37   base::string16 Tooltip() const;
  38
  39   // Returns the ID of the icon to be displayed by the origin chip. Note that
  40   // if |owner_|'s OnExtensionIconImageChanged() method was called with
  41   // anything else than NULL, that icon has precedence over whatever this method
  42   // returns.
  43   int icon() const { return icon_; }
  44
  45   // Returns the full URL.
  46   const GURL& displayed_url() const { return displayed_url_; }
  47
  48   // Returns the security level of the current URL.
  49   ToolbarModel::SecurityLevel security_level() const { return security_level_; }
  50
  51   // Returns whether the current URL is known to be malware or not.
  52   bool is_url_malware() const { return is_url_malware_; }
  53
  54  private:
  55   // The observer which will receive OnExtensionIconImageChanged() calls.
  56   extensions::IconImage::Observer* owner_;
  57
  58   Profile* profile_;
  59
  60   // State used to determine whether the |label_| and |icon_| need to be
  61   // recomputed.
  62   GURL displayed_url_;
  63   ToolbarModel::SecurityLevel security_level_;
  64   bool is_url_malware_;
  65
  66   // The label and icon to be displayed by the origin chip.
  67   base::string16 label_;
  68   int icon_;
  69
  70   // extensions::IconImage instance, used for observing changes in an
  71   // extension's icon, when the current page belongs to an extension.
  72   scoped_ptr<extensions::IconImage> extension_icon_image_;
  73
  74   DISALLOW_COPY_AND_ASSIGN(OriginChipInfo);
  75 };
  76
  77 // This class is left here to prevent breaking the views code. It will be
  78 // removed soon, and the functions will become local to origin_chip.cc.
  79 class OriginChip {
  80  public:
  81   // Detects client-side or SB malware/phishing hits. Used to decide whether the
  82   // origin chip should indicate that the current page has malware or is a known
  83   // phishing page.
  84   static bool IsMalware(const GURL& url, const content::WebContents* tab);
  85
  86   // Gets the label to display on the Origin Chip for the specified URL. The
  87   // |profile| is needed in case the URL is from an extension.
  88   static base::string16 LabelFromURLForProfile(const GURL& provided_url,
  89                                                Profile* profile);
  90 };
  91
  92 #endif  // CHROME_BROWSER_UI_LOCATION_BAR_ORIGIN_CHIP_INFO_H_