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Introduce
DeviceInfo as a new native module
Summary: The `UIManager` already has a lot of responsibilities and is deeply tied with React Native's view architecture. This diff separates out a `DeviceInfo` native module to provide information about screen dimensions and font scale, etc. Reviewed By: fkgozali Differential Revision: D4713834 fbshipit-source-id: f2ee93acf876a4221c29a8c731f5abeffbb97974
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,20 @@ | ||
| /** | ||
| * 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. | ||
| * | ||
| * @providesModule DeviceInfo | ||
| * @flow | ||
| */ | ||
| 'use strict'; | ||
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| const DeviceInfo = require('NativeModules').DeviceInfo; | ||
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| const invariant = require('invariant'); | ||
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| invariant(DeviceInfo, 'DeviceInfo native module is not installed correctly'); | ||
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| module.exports = DeviceInfo; |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,17 @@ | ||
| /** | ||
| * 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. | ||
| */ | ||
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| #import <UIKit/UIKit.h> | ||
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| #import <React/RCTBridge.h> | ||
| #import <React/RCTBridgeModule.h> | ||
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| @interface RCTDeviceInfo : NSObject <RCTBridgeModule, RCTInvalidating> | ||
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| @end |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,116 @@ | ||
| /** | ||
| * 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. | ||
| */ | ||
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| #import "RCTDeviceInfo.h" | ||
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| #import "RCTAccessibilityManager.h" | ||
| #import "RCTAssert.h" | ||
| #import "RCTEventDispatcher.h" | ||
| #import "RCTUtils.h" | ||
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| @implementation RCTDeviceInfo { | ||
| #if !TARGET_OS_TV | ||
| UIInterfaceOrientation _currentInterfaceOrientation; | ||
| #endif | ||
| } | ||
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| @synthesize bridge = _bridge; | ||
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| RCT_EXPORT_MODULE() | ||
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| - (dispatch_queue_t)methodQueue | ||
| { | ||
| return dispatch_get_main_queue(); | ||
| } | ||
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| - (void)setBridge:(RCTBridge *)bridge | ||
| { | ||
| _bridge = bridge; | ||
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| [[NSNotificationCenter defaultCenter] addObserver:self | ||
| selector:@selector(didReceiveNewContentSizeMultiplier) | ||
| name:RCTAccessibilityManagerDidUpdateMultiplierNotification | ||
| object:_bridge.accessibilityManager]; | ||
| #if !TARGET_OS_TV | ||
| _currentInterfaceOrientation = [RCTSharedApplication() statusBarOrientation]; | ||
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| [[NSNotificationCenter defaultCenter] addObserver:self | ||
| selector:@selector(interfaceOrientationDidChange) | ||
| name:UIApplicationDidChangeStatusBarOrientationNotification | ||
| object:nil]; | ||
| #endif | ||
| } | ||
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| static NSDictionary *RCTExportedDimensions(RCTBridge *bridge) | ||
| { | ||
| RCTAssertMainQueue(); | ||
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| // 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 | ||
| }; | ||
| } | ||
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| - (void)invalidate | ||
| { | ||
| dispatch_async(dispatch_get_main_queue(), ^{ | ||
| self->_bridge = nil; | ||
| [[NSNotificationCenter defaultCenter] removeObserver:self]; | ||
| }); | ||
| } | ||
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| - (NSDictionary<NSString *, id> *)constantsToExport | ||
| { | ||
| NSMutableDictionary<NSString *, NSDictionary *> *constants = [NSMutableDictionary new]; | ||
| constants[@"Dimensions"] = RCTExportedDimensions(_bridge); | ||
| return constants; | ||
| } | ||
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| - (void)didReceiveNewContentSizeMultiplier | ||
| { | ||
| // 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 | ||
| } | ||
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| - (void)interfaceOrientationDidChange | ||
| { | ||
| #if !TARGET_OS_TV | ||
| UIInterfaceOrientation nextOrientation = [RCTSharedApplication() statusBarOrientation]; | ||
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| // 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 | ||
| } | ||
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| _currentInterfaceOrientation = nextOrientation; | ||
| #endif | ||
| } | ||
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| @end |
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