components/omnibox/browser/omnibox_controller.cc

   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 #include "components/omnibox/browser/omnibox_controller.h"
   6
   7 #include "base/metrics/histogram.h"
   8 #include "components/omnibox/browser/autocomplete_classifier.h"
   9 #include "components/omnibox/browser/autocomplete_match.h"
  10 #include "components/omnibox/browser/omnibox_client.h"
  11 #include "components/omnibox/browser/omnibox_edit_controller.h"
  12 #include "components/omnibox/browser/omnibox_edit_model.h"
  13 #include "components/omnibox/browser/omnibox_popup_model.h"
  14 #include "components/omnibox/browser/omnibox_popup_view.h"
  15 #include "components/search/search.h"
  16 #include "ui/gfx/geometry/rect.h"
  17
  18 OmniboxController::OmniboxController(OmniboxEditModel* omnibox_edit_model,
  19                                      OmniboxClient* client)
  20     : omnibox_edit_model_(omnibox_edit_model),
  21       client_(client),
  22       popup_(NULL),
  23       autocomplete_controller_(new AutocompleteController(
  24           client_->CreateAutocompleteProviderClient(),
  25           this,
  26           AutocompleteClassifier::kDefaultOmniboxProviders)),
  27       weak_ptr_factory_(this) {}
  28
  29 OmniboxController::~OmniboxController() {
  30 }
  31
  32 void OmniboxController::StartAutocomplete(
  33     const AutocompleteInput& input) const {
  34   ClearPopupKeywordMode();
  35   popup_->SetHoveredLine(OmniboxPopupModel::kNoMatch);
  36
  37   // We don't explicitly clear OmniboxPopupModel::manually_selected_match, as
  38   // Start ends up invoking OmniboxPopupModel::OnResultChanged which clears it.
  39   autocomplete_controller_->Start(input);
  40 }
  41
  42 void OmniboxController::OnResultChanged(bool default_match_changed) {
  43   const bool was_open = popup_->IsOpen();
  44   if (default_match_changed) {
  45     // The default match has changed, we need to let the OmniboxEditModel know
  46     // about new inline autocomplete text (blue highlight).
  47     const AutocompleteResult::const_iterator match(result().default_match());
  48     if (match != result().end()) {
  49       current_match_ = *match;
  50       omnibox_edit_model_->OnCurrentMatchChanged();
  51     } else {
  52       InvalidateCurrentMatch();
  53       popup_->OnResultChanged();
  54       omnibox_edit_model_->OnPopupDataChanged(base::string16(), NULL,
  55                                               base::string16(), false);
  56     }
  57   } else {
  58     popup_->OnResultChanged();
  59   }
  60
  61   if (!popup_->IsOpen() && was_open) {
  62     // Accept the temporary text as the user text, because it makes little sense
  63     // to have temporary text when the popup is closed.
  64     omnibox_edit_model_->AcceptTemporaryTextAsUserText();
  65   }
  66
  67   // Note: The client outlives |this|, so bind a weak pointer to the callback
  68   // passed in to eliminate the potential for crashes on shutdown.
  69   client_->OnResultChanged(result(), default_match_changed,
  70                            base::Bind(&OmniboxController::SetAnswerBitmap,
  71                                       weak_ptr_factory_.GetWeakPtr()));
  72 }
  73
  74 void OmniboxController::InvalidateCurrentMatch() {
  75   current_match_ = AutocompleteMatch();
  76 }
  77
  78 void OmniboxController::ClearPopupKeywordMode() const {
  79   if (popup_->IsOpen() &&
  80       popup_->selected_line_state() == OmniboxPopupModel::KEYWORD)
  81     popup_->SetSelectedLineState(OmniboxPopupModel::NORMAL);
  82 }
  83
  84 void OmniboxController::SetAnswerBitmap(const SkBitmap& bitmap) {
  85   popup_->SetAnswerBitmap(bitmap);
  86 }