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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.
#import "ios/chrome/browser/chrome_url_util.h"
#import <UIKit/UIKit.h>
#include "base/logging.h"
#include "base/mac/scoped_block.h"
#include "base/mac/scoped_nsobject.h"
#include "base/strings/string_util.h"
#include "base/strings/sys_string_conversions.h"
#include "ios/chrome/browser/chrome_url_constants.h"
#import "ios/net/url_scheme_util.h"
#include "ios/public/provider/chrome/browser/chrome_browser_provider.h"
#include "url/gurl.h"
bool UrlIsExternalFileReference(const GURL& url) {
return url.SchemeIs(ios::GetChromeBrowserProvider()->GetChromeUIScheme()) &&
base::LowerCaseEqualsASCII(url.host(), kChromeUIExternalFileHost);
}
NSURL* UrlToLaunchChrome() {
// Determines the target URL scheme that will launch Chrome.
NSString* scheme = [[ChromeAppConstants sharedInstance] getBundleURLScheme];
return [NSURL URLWithString:[NSString stringWithFormat:@"%@://", scheme]];
}
NSURL* UrlOfChromeAppIcon(int width, int height) {
NSString* url =
[[ChromeAppConstants sharedInstance] getChromeAppIconURLOfWidth:width
height:height];
return [NSURL URLWithString:url];
}
bool UrlHasChromeScheme(const GURL& url) {
return url.SchemeIs(ios::GetChromeBrowserProvider()->GetChromeUIScheme());
}
bool UrlHasChromeScheme(NSURL* url) {
return net::UrlSchemeIs(
url, base::SysUTF8ToNSString(
ios::GetChromeBrowserProvider()->GetChromeUIScheme()));
}
@implementation ChromeAppConstants {
base::scoped_nsobject<NSString> _callbackScheme;
base::mac::ScopedBlock<AppIconURLProvider> _appIconURLProvider;
}
+ (ChromeAppConstants*)sharedInstance {
static ChromeAppConstants* g_instance = [[ChromeAppConstants alloc] init];
return g_instance;
}
- (NSString*)getBundleURLScheme {
if (!_callbackScheme) {
NSSet* allowableSchemes =
[NSSet setWithObjects:@"googlechrome", @"chromium", nil];
NSDictionary* info = [[NSBundle mainBundle] infoDictionary];
NSArray* urlTypes = [info objectForKey:@"CFBundleURLTypes"];
for (NSDictionary* urlType in urlTypes) {
DCHECK([urlType isKindOfClass:[NSDictionary class]]);
NSArray* schemes = [urlType objectForKey:@"CFBundleURLSchemes"];
if (!schemes)
continue;
DCHECK([schemes isKindOfClass:[NSArray class]]);
for (NSString* scheme in schemes) {
if ([allowableSchemes containsObject:scheme])
_callbackScheme.reset([scheme copy]);
}
}
}
DCHECK([_callbackScheme length]);
return _callbackScheme;
}
- (NSString*)getChromeAppIconURLOfWidth:(int)width height:(int)height {
if (!_appIconURLProvider) {
// TODO(ios): iOS code should default to "Chromium" branding.
// http://crbug.com/489270
_appIconURLProvider.reset(^(int width, int height) {
return [NSString
stringWithFormat:@"https://%@/Icon-%dx%d-%dx.png",
@"ssl.gstatic.com/ios-apps/com.google.chrome.ios",
width, height,
[[UIScreen mainScreen] scale] == 1.0 ? 1 : 2];
}, base::scoped_policy::RETAIN);
}
return _appIconURLProvider.get()(width, height);
}
- (void)setCallbackSchemeForTesting:(NSString*)scheme {
_callbackScheme.reset([scheme copy]);
}
- (void)setAppIconURLProviderForTesting:(AppIconURLProvider)block {
_appIconURLProvider.reset(block, base::scoped_policy::RETAIN);
}
@end
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