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// Copyright 2013 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/omnibox/omnibox_current_page_delegate_impl.h"
#include "base/strings/utf_string_conversions.h"
#include "chrome/browser/extensions/api/omnibox/omnibox_api.h"
#include "chrome/browser/predictors/autocomplete_action_predictor.h"
#include "chrome/browser/predictors/autocomplete_action_predictor_factory.h"
#include "chrome/browser/profiles/profile.h"
#include "chrome/browser/search/search.h"
#include "chrome/browser/search_engines/template_url_service_factory.h"
#include "chrome/browser/sessions/session_tab_helper.h"
#include "chrome/browser/ui/omnibox/omnibox_edit_controller.h"
#include "chrome/browser/ui/search/instant_search_prerenderer.h"
#include "chrome/browser/ui/search/search_tab_helper.h"
#include "components/omnibox/autocomplete_match.h"
#include "components/search/search.h"
#include "components/search_engines/template_url_service.h"
#include "content/public/browser/navigation_controller.h"
#include "content/public/browser/web_contents.h"
#include "ui/base/window_open_disposition.h"
#include "url/gurl.h"
OmniboxCurrentPageDelegateImpl::OmniboxCurrentPageDelegateImpl(
OmniboxEditController* controller,
Profile* profile)
: controller_(controller),
profile_(profile) {}
OmniboxCurrentPageDelegateImpl::~OmniboxCurrentPageDelegateImpl() {}
bool OmniboxCurrentPageDelegateImpl::CurrentPageExists() const {
return (controller_->GetWebContents() != NULL);
}
const GURL& OmniboxCurrentPageDelegateImpl::GetURL() const {
return controller_->GetWebContents()->GetURL();
}
bool OmniboxCurrentPageDelegateImpl::IsInstantNTP() const {
return chrome::IsInstantNTP(controller_->GetWebContents());
}
bool OmniboxCurrentPageDelegateImpl::IsSearchResultsPage() const {
Profile* profile = Profile::FromBrowserContext(
controller_->GetWebContents()->GetBrowserContext());
return TemplateURLServiceFactory::GetForProfile(profile)->
IsSearchResultsPageFromDefaultSearchProvider(GetURL());
}
bool OmniboxCurrentPageDelegateImpl::IsLoading() const {
return controller_->GetWebContents()->IsLoading();
}
content::NavigationController&
OmniboxCurrentPageDelegateImpl::GetNavigationController() const {
return controller_->GetWebContents()->GetController();
}
const SessionID& OmniboxCurrentPageDelegateImpl::GetSessionID() const {
return SessionTabHelper::FromWebContents(
controller_->GetWebContents())->session_id();
}
bool OmniboxCurrentPageDelegateImpl::ProcessExtensionKeyword(
TemplateURL* template_url,
const AutocompleteMatch& match,
WindowOpenDisposition disposition) {
if (template_url->GetType() != TemplateURL::OMNIBOX_API_EXTENSION)
return false;
// Strip the keyword + leading space off the input.
size_t prefix_length = match.keyword.length() + 1;
extensions::ExtensionOmniboxEventRouter::OnInputEntered(
controller_->GetWebContents(),
template_url->GetExtensionId(),
base::UTF16ToUTF8(match.fill_into_edit.substr(prefix_length)),
disposition);
return true;
}
void OmniboxCurrentPageDelegateImpl::OnInputStateChanged() {
if (!controller_->GetWebContents())
return;
SearchTabHelper::FromWebContents(
controller_->GetWebContents())->OmniboxInputStateChanged();
}
void OmniboxCurrentPageDelegateImpl::OnFocusChanged(
OmniboxFocusState state,
OmniboxFocusChangeReason reason) {
if (!controller_->GetWebContents())
return;
SearchTabHelper::FromWebContents(
controller_->GetWebContents())->OmniboxFocusChanged(state, reason);
}
void OmniboxCurrentPageDelegateImpl::DoPrerender(
const AutocompleteMatch& match) {
content::WebContents* web_contents = controller_->GetWebContents();
gfx::Rect container_bounds = web_contents->GetContainerBounds();
InstantSearchPrerenderer* prerenderer =
InstantSearchPrerenderer::GetForProfile(profile_);
if (prerenderer && prerenderer->IsAllowed(match, web_contents)) {
prerenderer->Init(
web_contents->GetController().GetDefaultSessionStorageNamespace(),
container_bounds.size());
return;
}
predictors::AutocompleteActionPredictorFactory::GetForProfile(profile_)->
StartPrerendering(
match.destination_url,
web_contents->GetController().GetDefaultSessionStorageNamespace(),
container_bounds.size());
}
void OmniboxCurrentPageDelegateImpl::SetSuggestionToPrefetch(
const InstantSuggestion& suggestion) {
DCHECK(chrome::IsInstantExtendedAPIEnabled());
content::WebContents* web_contents = controller_->GetWebContents();
if (web_contents &&
SearchTabHelper::FromWebContents(web_contents)->IsSearchResultsPage()) {
if (chrome::ShouldPrefetchSearchResultsOnSRP()) {
SearchTabHelper::FromWebContents(web_contents)->
SetSuggestionToPrefetch(suggestion);
}
} else {
InstantSearchPrerenderer* prerenderer =
InstantSearchPrerenderer::GetForProfile(profile_);
if (prerenderer)
prerenderer->Prerender(suggestion);
}
}
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