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RCTDeviceInfo.m
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RCTDeviceInfo.m
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/**
* Copyright (c) 2015-present, Facebook, Inc.
* All rights reserved.
*
* This source code is licensed under the BSD-style license found in the
* LICENSE file in the root directory of this source tree. An additional grant
* of patent rights can be found in the PATENTS file in the same directory.
*/
#import "RCTDeviceInfo.h"
#import "RCTAccessibilityManager.h"
#import "RCTAssert.h"
#import "RCTEventDispatcher.h"
#import "RCTUtils.h"
@implementation RCTDeviceInfo {
#if !TARGET_OS_TV
UIInterfaceOrientation _currentInterfaceOrientation;
#endif
}
@synthesize bridge = _bridge;
RCT_EXPORT_MODULE()
+ (BOOL)requiresMainQueueSetup
{
return YES;
}
- (dispatch_queue_t)methodQueue
{
return dispatch_get_main_queue();
}
- (void)setBridge:(RCTBridge *)bridge
{
_bridge = bridge;
[[NSNotificationCenter defaultCenter] addObserver:self
selector:@selector(didReceiveNewContentSizeMultiplier)
name:RCTAccessibilityManagerDidUpdateMultiplierNotification
object:_bridge.accessibilityManager];
#if !TARGET_OS_TV
_currentInterfaceOrientation = [RCTSharedApplication() statusBarOrientation];
[[NSNotificationCenter defaultCenter] addObserver:self
selector:@selector(interfaceOrientationDidChange)
name:UIApplicationDidChangeStatusBarOrientationNotification
object:nil];
#endif
}
static NSDictionary *RCTExportedDimensions(RCTBridge *bridge)
{
RCTAssertMainQueue();
// Don't use RCTScreenSize since it the interface orientation doesn't apply to it
CGRect screenSize = [[UIScreen mainScreen] bounds];
NSDictionary *dims = @{
@"width": @(screenSize.size.width),
@"height": @(screenSize.size.height),
@"scale": @(RCTScreenScale()),
@"fontScale": @(bridge.accessibilityManager.multiplier)
};
return @{
@"window": dims,
@"screen": dims
};
}
- (void)invalidate
{
RCTExecuteOnMainQueue(^{
self->_bridge = nil;
[[NSNotificationCenter defaultCenter] removeObserver:self];
});
}
- (NSDictionary<NSString *, id> *)constantsToExport
{
NSMutableDictionary<NSString *, NSDictionary *> *constants = [NSMutableDictionary new];
constants[@"Dimensions"] = RCTExportedDimensions(_bridge);
return constants;
}
- (void)didReceiveNewContentSizeMultiplier
{
RCTBridge *bridge = _bridge;
RCTExecuteOnMainQueue(^{
// Report the event across the bridge.
#pragma clang diagnostic push
#pragma clang diagnostic ignored "-Wdeprecated-declarations"
[bridge.eventDispatcher sendDeviceEventWithName:@"didUpdateDimensions"
body:RCTExportedDimensions(bridge)];
#pragma clang diagnostic pop
});
}
#if !TARGET_OS_TV
- (void)interfaceOrientationDidChange
{
__weak typeof(self) weakSelf = self;
RCTExecuteOnMainQueue(^{
[weakSelf _interfaceOrientationDidChange];
});
}
- (void)_interfaceOrientationDidChange
{
UIInterfaceOrientation nextOrientation = [RCTSharedApplication() statusBarOrientation];
// Update when we go from portrait to landscape, or landscape to portrait
if ((UIInterfaceOrientationIsPortrait(_currentInterfaceOrientation) &&
!UIInterfaceOrientationIsPortrait(nextOrientation)) ||
(UIInterfaceOrientationIsLandscape(_currentInterfaceOrientation) &&
!UIInterfaceOrientationIsLandscape(nextOrientation))) {
#pragma clang diagnostic push
#pragma clang diagnostic ignored "-Wdeprecated-declarations"
[_bridge.eventDispatcher sendDeviceEventWithName:@"didUpdateDimensions"
body:RCTExportedDimensions(_bridge)];
#pragma clang diagnostic pop
}
_currentInterfaceOrientation = nextOrientation;
}
#endif // TARGET_OS_TV
@end