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// 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/search/search.h"
#include "chrome/browser/ui/search/search_model_observer.h"
SearchModel::State::State()
: top_bars_visible(true),
instant_support(INSTANT_SUPPORT_UNKNOWN),
voice_search_supported(false) {
}
SearchModel::State::State(const SearchMode& mode,
bool top_bars_visible,
InstantSupportState instant_support,
bool voice_search_supported)
: mode(mode),
top_bars_visible(top_bars_visible),
instant_support(instant_support),
voice_search_supported(voice_search_supported) {
}
bool SearchModel::State::operator==(const State& rhs) const {
return mode == rhs.mode && top_bars_visible == rhs.top_bars_visible &&
instant_support == rhs.instant_support &&
voice_search_supported == rhs.voice_search_supported;
}
SearchModel::SearchModel() {
}
SearchModel::~SearchModel() {
}
void SearchModel::SetState(const State& new_state) {
DCHECK(chrome::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_EACH_OBSERVER(SearchModelObserver, observers_,
ModelChanged(old_state, state_));
}
void SearchModel::SetMode(const SearchMode& new_mode) {
DCHECK(chrome::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 |SEARCH_SUGGESTIONS| and |SEARCH_RESULTS| modes, SearchBox API will
// determine visibility of top bars via SetTopBarsVisible(); for other modes,
// top bars are always visible, if available.
if (!state_.mode.is_search())
state_.top_bars_visible = true;
FOR_EACH_OBSERVER(SearchModelObserver, observers_,
ModelChanged(old_state, state_));
}
void SearchModel::SetTopBarsVisible(bool visible) {
DCHECK(chrome::IsInstantExtendedAPIEnabled())
<< "Please do not try to set the SearchModel state without first "
<< "checking if Search is enabled.";
if (state_.top_bars_visible == visible)
return;
const State old_state = state_;
state_.top_bars_visible = visible;
FOR_EACH_OBSERVER(SearchModelObserver, observers_,
ModelChanged(old_state, state_));
}
void SearchModel::SetInstantSupportState(InstantSupportState instant_support) {
DCHECK(chrome::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_EACH_OBSERVER(SearchModelObserver, observers_,
ModelChanged(old_state, state_));
}
void SearchModel::SetVoiceSearchSupported(bool supported) {
DCHECK(chrome::IsInstantExtendedAPIEnabled())
<< "Please do not try to set the SearchModel state without first "
<< "checking if Search is enabled.";
if (state_.voice_search_supported == supported)
return;
const State old_state = state_;
state_.voice_search_supported = supported;
FOR_EACH_OBSERVER(SearchModelObserver, observers_,
ModelChanged(old_state, state_));
}
void SearchModel::AddObserver(SearchModelObserver* observer) {
observers_.AddObserver(observer);
}
void SearchModel::RemoveObserver(SearchModelObserver* observer) {
observers_.RemoveObserver(observer);
}
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