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