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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 "base/ios/ios_util.h"
#import <Foundation/Foundation.h>
#import <UIKit/UIKit.h>
#include <stddef.h>
#include "base/cxx17_backports.h"
#include "base/mac/foundation_util.h"
#include "base/system/sys_info.h"
namespace {
// Key for the scene API manifest in the application Info.plist.
NSString* const kApplicationSceneManifestKey = @"UIApplicationSceneManifest";
// Key for the boolean telling whether the multi-scene support is enabled for
// the application in the scene API manifest.
NSString* const kApplicationSupportsMultipleScenesKey =
@"UIApplicationSupportsMultipleScenes";
// Return a 3 elements array containing the major, minor and bug fix version of
// the OS.
const int32_t* OSVersionAsArray() {
int32_t* digits = new int32_t[3];
base::SysInfo::OperatingSystemVersionNumbers(
&digits[0], &digits[1], &digits[2]);
return digits;
}
// Return an autoreleased pointer to the dictionary configuring the scene API
// from the application Info.plist. Can be null if the application or the OS
// version does not use the scene API.
NSDictionary* SceneAPIManifestFromInfoPlist() {
// Scene API is only supported on iOS 13.0+.
if (!base::ios::IsRunningOnIOS13OrLater())
return nil;
NSBundle* main_bundle = [NSBundle mainBundle];
return base::mac::ObjCCastStrict<NSDictionary>(
[main_bundle objectForInfoDictionaryKey:kApplicationSceneManifestKey]);
}
std::string* g_icudtl_path_override = nullptr;
} // namespace
namespace base {
namespace ios {
bool IsRunningOnIOS12OrLater() {
static const bool is_running_on_or_later = IsRunningOnOrLater(12, 0, 0);
return is_running_on_or_later;
}
bool IsRunningOnIOS13OrLater() {
static const bool is_running_on_or_later = IsRunningOnOrLater(13, 0, 0);
return is_running_on_or_later;
}
bool IsRunningOnIOS14OrLater() {
static const bool is_running_on_or_later = IsRunningOnOrLater(14, 0, 0);
return is_running_on_or_later;
}
bool IsRunningOnIOS15OrLater() {
static const bool is_running_on_or_later = IsRunningOnOrLater(15, 0, 0);
return is_running_on_or_later;
}
bool IsRunningOnOrLater(int32_t major, int32_t minor, int32_t bug_fix) {
static const int32_t* current_version = OSVersionAsArray();
int32_t version[] = {major, minor, bug_fix};
for (size_t i = 0; i < base::size(version); i++) {
if (current_version[i] != version[i])
return current_version[i] > version[i];
}
return true;
}
bool IsInForcedRTL() {
NSUserDefaults* defaults = [NSUserDefaults standardUserDefaults];
return [defaults boolForKey:@"NSForceRightToLeftWritingDirection"];
}
void OverridePathOfEmbeddedICU(const char* path) {
DCHECK(!g_icudtl_path_override);
g_icudtl_path_override = new std::string(path);
}
FilePath FilePathOfEmbeddedICU() {
if (g_icudtl_path_override) {
return FilePath(*g_icudtl_path_override);
}
return FilePath();
}
bool IsMultiwindowSupported() {
static bool cached_value = false;
static dispatch_once_t once_token = 0;
dispatch_once(&once_token, ^{
NSDictionary* scene_api_manifest = SceneAPIManifestFromInfoPlist();
NSNumber* value = base::mac::ObjCCastStrict<NSNumber>([scene_api_manifest
objectForKey:kApplicationSupportsMultipleScenesKey]);
cached_value = [value boolValue];
});
return cached_value;
}
bool IsSceneStartupSupported() {
static bool cached_value = false;
static dispatch_once_t once_token = 0;
dispatch_once(&once_token, ^{
NSDictionary* scene_api_manifest = SceneAPIManifestFromInfoPlist();
cached_value = scene_api_manifest != nil;
});
return cached_value;
}
bool IsMultipleScenesSupported() {
if (@available(iOS 13, *)) {
return UIApplication.sharedApplication.supportsMultipleScenes;
}
return false;
}
} // namespace ios
} // namespace base
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