| // Copyright (c) 2012 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #include "chrome/browser/ui/search/search_model.h" |
| |
| #include "chrome/browser/ui/search/search_model_observer.h" |
| #include "components/search/search.h" |
| |
| SearchModel::State::State() : instant_support(INSTANT_SUPPORT_UNKNOWN) {} |
| |
| SearchModel::State::State(const SearchMode& mode, |
| InstantSupportState instant_support) |
| : mode(mode), instant_support(instant_support) {} |
| |
| bool SearchModel::State::operator==(const State& rhs) const { |
| return mode == rhs.mode && instant_support == rhs.instant_support; |
| } |
| |
| SearchModel::SearchModel() { |
| } |
| |
| SearchModel::~SearchModel() { |
| } |
| |
| void SearchModel::SetState(const State& new_state) { |
| DCHECK(search::IsInstantExtendedAPIEnabled()) |
| << "Please do not try to set the SearchModel mode without first " |
| << "checking if Search is enabled."; |
| |
| if (state_ == new_state) |
| return; |
| |
| const State old_state = state_; |
| state_ = new_state; |
| |
| for (SearchModelObserver& observer : observers_) |
| observer.ModelChanged(old_state, state_); |
| } |
| |
| void SearchModel::SetMode(const SearchMode& new_mode) { |
| DCHECK(search::IsInstantExtendedAPIEnabled()) |
| << "Please do not try to set the SearchModel mode without first " |
| << "checking if Search is enabled."; |
| |
| if (state_.mode == new_mode) |
| return; |
| |
| const State old_state = state_; |
| state_.mode = new_mode; |
| |
| for (SearchModelObserver& observer : observers_) |
| observer.ModelChanged(old_state, state_); |
| } |
| |
| void SearchModel::SetInstantSupportState(InstantSupportState instant_support) { |
| DCHECK(search::IsInstantExtendedAPIEnabled()) |
| << "Please do not try to set the SearchModel state without first " |
| << "checking if Search is enabled."; |
| |
| if (state_.instant_support == instant_support) |
| return; |
| |
| const State old_state = state_; |
| state_.instant_support = instant_support; |
| for (SearchModelObserver& observer : observers_) |
| observer.ModelChanged(old_state, state_); |
| } |
| |
| void SearchModel::AddObserver(SearchModelObserver* observer) { |
| observers_.AddObserver(observer); |
| } |
| |
| void SearchModel::RemoveObserver(SearchModelObserver* observer) { |
| observers_.RemoveObserver(observer); |
| } |