blob: 620df4bac14453995833729b5ab94bd929f07038 [file] [log] [blame]
// Copyright 2014 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/autocomplete/chrome_autocomplete_scheme_classifier.h"
#include "base/strings/string_util.h"
#include "chrome/browser/custom_handlers/protocol_handler_registry_factory.h"
#include "chrome/browser/external_protocol/external_protocol_handler.h"
#include "chrome/browser/profiles/profile_io_data.h"
#include "content/public/common/url_constants.h"
#include "url/url_util.h"
Profile* profile)
: profile_(profile) {
ChromeAutocompleteSchemeClassifier::~ChromeAutocompleteSchemeClassifier() {
const std::string& scheme) const {
if (scheme.empty()) {
return metrics::OmniboxInputType::INVALID;
if (base::IsStringASCII(scheme) &&
(ProfileIOData::IsHandledProtocol(scheme) ||
base::LowerCaseEqualsASCII(scheme, content::kViewSourceScheme) ||
base::LowerCaseEqualsASCII(scheme, url::kJavaScriptScheme) ||
base::LowerCaseEqualsASCII(scheme, url::kDataScheme))) {
return metrics::OmniboxInputType::URL;
// Also check for schemes registered via registerProtocolHandler(), which
// can be handled by web pages/apps.
ProtocolHandlerRegistry* registry = profile_ ?
ProtocolHandlerRegistryFactory::GetForBrowserContext(profile_) : NULL;
if (registry && registry->IsHandledProtocol(scheme))
return metrics::OmniboxInputType::URL;
// Not an internal protocol; check if it's an external protocol, i.e. one
// that's registered on the user's OS and will shell out to another program.
// We need to do this after the checks above because some internally
// handlable schemes (e.g. "javascript") may be treated as "blocked" by the
// external protocol handler because we don't want pages to open them, but
// users still can.
const ExternalProtocolHandler::BlockState block_state =
ExternalProtocolHandler::GetBlockState(scheme, profile_);
switch (block_state) {
case ExternalProtocolHandler::DONT_BLOCK:
return metrics::OmniboxInputType::URL;
case ExternalProtocolHandler::BLOCK:
// If we don't want the user to open the URL, don't let it be navigated
// to at all.
return metrics::OmniboxInputType::QUERY;
case ExternalProtocolHandler::UNKNOWN: {
#if defined(OS_LINUX)
// Linux impl of GetApplicationNameForProtocol doesn't distinguish
// between URL schemes with handers and those without. This will
// make the default behaviour be search on Linux.
return metrics::OmniboxInputType::INVALID;
#endif // defined(OS_LINUX)
// If block state is unknown, check if there is an application registered
// for the url scheme.
GURL url(scheme + "://");
base::string16 application_name =
return application_name.empty() ? metrics::OmniboxInputType::INVALID
: metrics::OmniboxInputType::URL;
return metrics::OmniboxInputType::INVALID;