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// Copyright 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_tab_helper.h"
#include "chrome/browser/search/search.h"
#include "chrome/common/render_messages.h"
#include "chrome/common/url_constants.h"
#include "content/public/browser/navigation_entry.h"
#include "content/public/browser/notification_service.h"
#include "content/public/browser/notification_types.h"
DEFINE_WEB_CONTENTS_USER_DATA_KEY(SearchTabHelper);
namespace {
bool IsNTP(const content::WebContents* contents) {
// We can't use WebContents::GetURL() because that uses the active entry,
// whereas we want the visible entry.
const content::NavigationEntry* entry =
contents->GetController().GetVisibleEntry();
if (entry && entry->GetVirtualURL() == GURL(chrome::kChromeUINewTabURL))
return true;
return chrome::IsInstantNTP(contents);
}
bool IsSearchResults(const content::WebContents* contents) {
return !chrome::GetSearchTerms(contents).empty();
}
} // namespace
SearchTabHelper::SearchTabHelper(content::WebContents* web_contents)
: WebContentsObserver(web_contents),
is_search_enabled_(chrome::IsInstantExtendedAPIEnabled()),
user_input_in_progress_(false),
popup_is_open_(false),
user_text_is_empty_(true),
web_contents_(web_contents) {
if (!is_search_enabled_)
return;
registrar_.Add(
this,
content::NOTIFICATION_NAV_ENTRY_COMMITTED,
content::Source<content::NavigationController>(
&web_contents->GetController()));
}
SearchTabHelper::~SearchTabHelper() {
}
void SearchTabHelper::OmniboxEditModelChanged(bool user_input_in_progress,
bool cancelling,
bool popup_is_open,
bool user_text_is_empty) {
if (!is_search_enabled_)
return;
user_input_in_progress_ = user_input_in_progress;
popup_is_open_ = popup_is_open;
user_text_is_empty_ = user_text_is_empty;
if (!user_input_in_progress && !cancelling)
return;
UpdateMode();
}
void SearchTabHelper::NavigationEntryUpdated() {
if (!is_search_enabled_)
return;
UpdateMode();
}
void SearchTabHelper::Observe(
int type,
const content::NotificationSource& source,
const content::NotificationDetails& details) {
DCHECK_EQ(content::NOTIFICATION_NAV_ENTRY_COMMITTED, type);
UpdateMode();
}
bool SearchTabHelper::OnMessageReceived(const IPC::Message& message) {
bool handled = true;
IPC_BEGIN_MESSAGE_MAP(SearchTabHelper, message)
IPC_MESSAGE_HANDLER(ChromeViewHostMsg_SearchBoxShowBars,
OnSearchBoxShowBars)
IPC_MESSAGE_HANDLER(ChromeViewHostMsg_SearchBoxHideBars,
OnSearchBoxHideBars)
IPC_MESSAGE_UNHANDLED(handled = false)
IPC_END_MESSAGE_MAP()
return handled;
}
void SearchTabHelper::UpdateMode() {
SearchMode::Type type = SearchMode::MODE_DEFAULT;
SearchMode::Origin origin = SearchMode::ORIGIN_DEFAULT;
if (IsNTP(web_contents_)) {
type = SearchMode::MODE_NTP;
origin = SearchMode::ORIGIN_NTP;
} else if (IsSearchResults(web_contents_)) {
type = SearchMode::MODE_SEARCH_RESULTS;
origin = SearchMode::ORIGIN_SEARCH;
}
if (user_input_in_progress_)
type = SearchMode::MODE_SEARCH_SUGGESTIONS;
if (type == SearchMode::MODE_NTP && origin == SearchMode::ORIGIN_NTP &&
!popup_is_open_ && !user_text_is_empty_) {
// We're switching back (|popup_is_open_| is false) to an NTP (type and
// mode are |NTP|) with suggestions (|user_text_is_empty_| is false), don't
// modify visibility of top bars. This specific omnibox state is set when
// OmniboxEditModelChanged() is called from
// OmniboxEditModel::SetInputInProgress() which is called from
// OmniboxEditModel::Revert().
model_.SetState(SearchModel::State(SearchMode(type, origin),
model_.state().top_bars_visible));
} else {
model_.SetMode(SearchMode(type, origin));
}
}
void SearchTabHelper::OnSearchBoxShowBars(int page_id) {
if (web_contents()->IsActiveEntry(page_id))
model_.SetTopBarsVisible(true);
}
void SearchTabHelper::OnSearchBoxHideBars(int page_id) {
if (web_contents()->IsActiveEntry(page_id)) {
model_.SetTopBarsVisible(false);
Send(new ChromeViewMsg_SearchBoxBarsHidden(routing_id()));
}
}
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