chrome/browser/ui/omnibox/omnibox_controller.h

   1 // Copyright 2013 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_OMNIBOX_OMNIBOX_CONTROLLER_H_
   6 #define CHROME_BROWSER_UI_OMNIBOX_OMNIBOX_CONTROLLER_H_
   7
   8 #include "base/basictypes.h"
   9 #include "base/compiler_specific.h"
  10 #include "base/memory/scoped_ptr.h"
  11 #include "base/strings/string16.h"
  12 #include "chrome/browser/autocomplete/autocomplete_controller.h"
  13 #include "chrome/browser/autocomplete/autocomplete_controller_delegate.h"
  14 #include "chrome/browser/autocomplete/autocomplete_input.h"
  15 #include "chrome/browser/autocomplete/autocomplete_match.h"
  16
  17 struct AutocompleteMatch;
  18 class AutocompleteResult;
  19 class GURL;
  20 class InstantController;
  21 class OmniboxEditModel;
  22 class OmniboxPopupModel;
  23 class Profile;
  24
  25 namespace gfx {
  26 class Rect;
  27 }
  28
  29 // This class controls the various services that can modify the content
  30 // for the omnibox, including AutocompleteController and InstantController. It
  31 // is responsible of updating the omnibox content.
  32 // TODO(beaudoin): Keep on expanding this class so that OmniboxEditModel no
  33 //     longer needs to hold any reference to AutocompleteController. Also make
  34 //     this the point of contact between InstantController and OmniboxEditModel.
  35 //     As the refactor progresses, keep the class comment up-to-date to
  36 //     precisely explain what this class is doing.
  37 class OmniboxController : public AutocompleteControllerDelegate {
  38  public:
  39   OmniboxController(OmniboxEditModel* omnibox_edit_model,
  40                     Profile* profile);
  41   virtual ~OmniboxController();
  42
  43   // |current_url| is only set for mobile ports.
  44   void StartAutocomplete(
  45       string16 user_text,
  46       size_t cursor_position,
  47       const GURL& current_url,
  48       AutocompleteInput::PageClassification current_page_classification,
  49       bool prevent_inline_autocomplete,
  50       bool prefer_keyword,
  51       bool allow_exact_keyword_match) const;
  52
  53   // AutocompleteControllerDelegate:
  54   virtual void OnResultChanged(bool default_match_changed) OVERRIDE;
  55
  56   AutocompleteController* autocomplete_controller() {
  57     return autocomplete_controller_.get();
  58   }
  59
  60   // Set |current_match_| to an invalid value, indicating that we do not yet
  61   // have a valid match for the current text in the omnibox.
  62   void InvalidateCurrentMatch();
  63
  64   void set_popup_model(OmniboxPopupModel* popup_model) {
  65     popup_ = popup_model;
  66   }
  67
  68   // TODO(beaudoin): The edit and popup model should be siblings owned by the
  69   // LocationBarView, making this accessor unnecessary.
  70   OmniboxPopupModel* popup_model() const { return popup_; }
  71
  72   const AutocompleteMatch& current_match() const { return current_match_; }
  73
  74   // Turns off keyword mode for the current match.
  75   void ClearPopupKeywordMode() const;
  76
  77   const AutocompleteResult& result() const {
  78     return autocomplete_controller_->result();
  79   }
  80
  81   // TODO(beaudoin): Make private once OmniboxEditModel no longer refers to it.
  82   void DoPreconnect(const AutocompleteMatch& match);
  83
  84  private:
  85   // Weak, it owns us.
  86   // TODO(beaudoin): Consider defining a delegate to ease unit testing.
  87   OmniboxEditModel* omnibox_edit_model_;
  88
  89   Profile* profile_;
  90
  91   OmniboxPopupModel* popup_;
  92
  93   scoped_ptr<AutocompleteController> autocomplete_controller_;
  94
  95   // TODO(beaudoin): This AutocompleteMatch is used to let the OmniboxEditModel
  96   // know what it should display. Not every field is required for that purpose,
  97   // but the ones specifically needed are unclear. We should therefore spend
  98   // some time to extract these fields and use a tighter structure here.
  99   AutocompleteMatch current_match_;
 100
 101   DISALLOW_COPY_AND_ASSIGN(OmniboxController);
 102 };
 103
 104 #endif  // CHROME_BROWSER_UI_OMNIBOX_OMNIBOX_CONTROLLER_H_