// Copyright 2018 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#import "ios/chrome/browser/web/model/web_navigation_util.h"
#import <Foundation/Foundation.h>
#import "base/metrics/user_metrics.h"
#import "base/metrics/user_metrics_action.h"
#import "base/strings/sys_string_conversions.h"
#import "components/variations/net/variations_http_headers.h"
#import "ios/web/public/navigation/navigation_manager.h"
#import "ios/web/public/web_state.h"
#import "services/network/public/cpp/resource_request.h"
#import "url/gurl.h"
namespace web_navigation_util {
web::NavigationManager::WebLoadParams CreateWebLoadParams(
const GURL& URL,
ui::PageTransition transition_type,
TemplateURLRef::PostContent* post_data) {
web::NavigationManager::WebLoadParams params(URL);
params.transition_type = transition_type;
if (post_data) {
// Extract the content type and post params from `postData` and add them
// to the load params.
NSString* contentType = base::SysUTF8ToNSString(post_data->first);
NSData* data = [NSData dataWithBytes:(void*)post_data->second.data()
length:post_data->second.length()];
params.post_data = data;
params.extra_headers = @{@"Content-Type" : contentType};
}
return params;
}
NSDictionary<NSString*, NSString*>* VariationHeadersForURL(const GURL& url,
bool is_incognito) {
NSMutableDictionary* result = [NSMutableDictionary dictionary];
network::ResourceRequest resource_request;
if (!variations::AppendVariationsHeaderUnknownSignedIn(
url,
is_incognito ? variations::InIncognito::kYes
: variations::InIncognito::kNo,
&resource_request)) {
// AppendVariationsHeaderUnknownSignedIn returns NO if custom headers
// were not added. In that case, return an empty dictionary.
return @{};
}
// The variations header appears in cors_exempt_headers rather than in
// headers.
net::HttpRequestHeaders::Iterator header_iterator(
resource_request.cors_exempt_headers);
while (header_iterator.GetNext()) {
NSString* name = base::SysUTF8ToNSString(header_iterator.name());
NSString* value = base::SysUTF8ToNSString(header_iterator.value());
result[name] = value;
}
return [result copy];
}
void GoBack(web::WebState* web_state) {
DCHECK(web_state);
base::RecordAction(base::UserMetricsAction("Back"));
web_state->GetNavigationManager()->GoBack();
}
void GoForward(web::WebState* web_state) {
DCHECK(web_state);
base::RecordAction(base::UserMetricsAction("Forward"));
web_state->GetNavigationManager()->GoForward();
}
} // namespace web_navigation_util