chrome/browser/ui/toolbar/toolbar_model.h

   1 // Copyright 2012 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_TOOLBAR_TOOLBAR_MODEL_H_
   6 #define CHROME_BROWSER_UI_TOOLBAR_TOOLBAR_MODEL_H_
   7
   8 #include <string>
   9
  10 #include "base/basictypes.h"
  11 #include "base/strings/string16.h"
  12 #include "url/gurl.h"
  13
  14 namespace net {
  15 class X509Certificate;
  16 }
  17
  18 // This class is the model used by the toolbar, location bar and autocomplete
  19 // edit.  It populates its states from the current navigation entry retrieved
  20 // from the navigation controller returned by GetNavigationController().
  21 class ToolbarModel {
  22  public:
  23   // TODO(wtc): unify ToolbarModel::SecurityLevel with SecurityStyle.  We
  24   // don't need two sets of security UI levels.  SECURITY_STYLE_AUTHENTICATED
  25   // needs to be refined into three levels: warning, standard, and EV.
  26   enum SecurityLevel {
  27 #define DEFINE_TOOLBAR_MODEL_SECURITY_LEVEL(name,value)  name = value,
  28 #include "chrome/browser/ui/toolbar/toolbar_model_security_level_list.h"
  29 #undef DEFINE_TOOLBAR_MODEL_SECURITY_LEVEL
  30   };
  31
  32   virtual ~ToolbarModel();
  33
  34   // Returns the text for the current page's URL. This will have been formatted
  35   // for display to the user:
  36   //   - Some characters may be unescaped.
  37   //   - The scheme and/or trailing slash may be dropped.
  38   //   - If the current page's URL is a search URL for the user's default search
  39   //     engine, the query will be extracted and returned for display instead
  40   //     of the URL.
  41   virtual base::string16 GetText() const = 0;
  42
  43   // Some search URLs bundle a special "corpus" param that we can extract and
  44   // display next to users' search terms in cases where we'd show the search
  45   // terms instead of the URL anyway.  For example, a Google image search might
  46   // show the corpus "Images:" plus a search string.  This is only used on
  47   // mobile.
  48   virtual base::string16 GetCorpusNameForMobile() const = 0;
  49
  50   // Returns the URL of the current navigation entry.
  51   virtual GURL GetURL() const = 0;
  52
  53   // Returns true if a call to GetText() would successfully replace the URL
  54   // with search terms.  If |ignore_editing| is true, the result reflects the
  55   // underlying state of the page without regard to any user edits that may be
  56   // in progress in the omnibox.
  57   virtual bool WouldPerformSearchTermReplacement(bool ignore_editing) const = 0;
  58
  59   // Returns true if a call to GetText() would return something other than the
  60   // URL because of either search term replacement or URL omission in favor of
  61   // the origin chip.
  62   bool WouldReplaceURL() const;
  63
  64   // Returns the security level that the toolbar should display.  If
  65   // |ignore_editing| is true, the result reflects the underlying state of the
  66   // page without regard to any user edits that may be in progress in the
  67   // omnibox.
  68   virtual SecurityLevel GetSecurityLevel(bool ignore_editing) const = 0;
  69
  70   // Returns the resource_id of the icon to show to the left of the address,
  71   // based on the current URL.  When search term replacement is active, this
  72   // returns a search icon.  This doesn't cover specialized icons while the
  73   // user is editing; see OmniboxView::GetIcon().
  74   virtual int GetIcon() const = 0;
  75
  76   // As |GetIcon()|, but returns the icon only taking into account the security
  77   // |level| given, ignoring search term replacement state.
  78   virtual int GetIconForSecurityLevel(SecurityLevel level) const = 0;
  79
  80   // Returns the name of the EV cert holder.  Only call this when the security
  81   // level is EV_SECURE.
  82   virtual base::string16 GetEVCertName() const = 0;
  83
  84   // Returns whether the URL for the current navigation entry should be
  85   // in the location bar.
  86   virtual bool ShouldDisplayURL() const = 0;
  87
  88   // Whether the text in the omnibox is currently being edited.
  89   void set_input_in_progress(bool input_in_progress) {
  90     input_in_progress_ = input_in_progress;
  91   }
  92   bool input_in_progress() const { return input_in_progress_; }
  93
  94   // Whether URL replacement should be enabled.
  95   void set_url_replacement_enabled(bool enabled) {
  96     url_replacement_enabled_ = enabled;
  97   }
  98   bool url_replacement_enabled() const {
  99     return url_replacement_enabled_;
 100   }
 101
 102  protected:
 103   ToolbarModel();
 104
 105  private:
 106   // Returns true if a call to GetText() would return an empty string instead of
 107   // the URL that would have otherwise been displayed because the host/origin is
 108   // instead being displayed in the origin chip.  This returns false when we
 109   // wouldn't have displayed a URL to begin with (e.g. for the NTP).
 110   virtual bool WouldOmitURLDueToOriginChip() const = 0;
 111
 112   bool input_in_progress_;
 113   bool url_replacement_enabled_;
 114
 115   DISALLOW_COPY_AND_ASSIGN(ToolbarModel);
 116 };
 117
 118 #endif  // CHROME_BROWSER_UI_TOOLBAR_TOOLBAR_MODEL_H_