ImageResponseObserverCoordinator does not need to be shared_ptr

Summary: Don't use shared_ptr in this case, it's not needed.

Reviewed By: shergin

Differential Revision: D13965413

fbshipit-source-id: ec98c13f53c7d558a0cb68cea0f97568dd202cd8

React/Fabric/Mounting/ComponentViews/Image/RCTImageComponentView.mm

@@ -21,7 +21,7 @@
 @implementation RCTImageComponentView {
   UIImageView *_imageView;
   SharedImageLocalData _imageLocalData;
-  std::shared_ptr<const ImageResponseObserverCoordinator> _coordinator;
+  const ImageResponseObserverCoordinator *_coordinator;
   std::unique_ptr<RCTImageResponseObserverProxy> _imageResponseObserverProxy;
 }
 
@@ -92,7 +92,7 @@
   }
 }
 
-- (void)setCoordinator:(std::shared_ptr<const ImageResponseObserverCoordinator>)coordinator {
+- (void)setCoordinator:(const ImageResponseObserverCoordinator *)coordinator {
   if (_coordinator) {
     _coordinator->removeObserver(_imageResponseObserverProxy.get());
   }

React/Fabric/Mounting/ComponentViews/Slider/RCTSliderComponentView.mm

@@ -27,16 +27,18 @@ using namespace facebook::react;
   UIImage *_maximumTrackImage;
   UIImage *_thumbImage;
   
-  std::shared_ptr<const ImageResponseObserverCoordinator> _trackImageCoordinator;
+  const ImageResponseObserverCoordinator *_trackImageCoordinator;
+  const ImageResponseObserverCoordinator *_minimumTrackImageCoordinator;
+  const ImageResponseObserverCoordinator *_maximumTrackImageCoordinator;
+  const ImageResponseObserverCoordinator *_thumbImageCoordinator;
+
   std::unique_ptr<RCTImageResponseObserverProxy> _trackImageResponseObserverProxy;
-  std::shared_ptr<const ImageResponseObserverCoordinator> _minimumTrackImageCoordinator;
   std::unique_ptr<RCTImageResponseObserverProxy> _minimumTrackImageResponseObserverProxy;
-  std::shared_ptr<const ImageResponseObserverCoordinator> _maximumTrackImageCoordinator;
   std::unique_ptr<RCTImageResponseObserverProxy> _maximumTrackImageResponseObserverProxy;
-  std::shared_ptr<const ImageResponseObserverCoordinator> _thumbImageCoordinator;
   std::unique_ptr<RCTImageResponseObserverProxy> _thumbImageResponseObserverProxy;
 }
 
+
 - (instancetype)initWithFrame:(CGRect)frame
 {
   if (self = [super initWithFrame:frame]) {
@@ -140,42 +142,42 @@ using namespace facebook::react;
   }
 }
 
-- (void)setTrackImageCoordinator:(std::shared_ptr<const ImageResponseObserverCoordinator>)coordinator {
+- (void)setTrackImageCoordinator:(const ImageResponseObserverCoordinator *)coordinator {
   if (_trackImageCoordinator) {
     _trackImageCoordinator->removeObserver(_trackImageResponseObserverProxy.get());
   }
   _trackImageCoordinator = coordinator;
-  if (_trackImageCoordinator != nullptr) {
+  if (_trackImageCoordinator) {
     _trackImageCoordinator->addObserver(_trackImageResponseObserverProxy.get());
   }
 }
 
-- (void)setMinimumTrackImageCoordinator:(std::shared_ptr<const ImageResponseObserverCoordinator>)coordinator {
+- (void)setMinimumTrackImageCoordinator:(const ImageResponseObserverCoordinator *)coordinator {
   if (_minimumTrackImageCoordinator) {
     _minimumTrackImageCoordinator->removeObserver(_minimumTrackImageResponseObserverProxy.get());
   }
   _minimumTrackImageCoordinator = coordinator;
-  if (_minimumTrackImageCoordinator != nullptr) {
+  if (_minimumTrackImageCoordinator) {
     _minimumTrackImageCoordinator->addObserver(_minimumTrackImageResponseObserverProxy.get());
   }
 }
 
-- (void)setMaximumTrackImageCoordinator:(std::shared_ptr<const ImageResponseObserverCoordinator>)coordinator {
+- (void)setMaximumTrackImageCoordinator:(const ImageResponseObserverCoordinator *)coordinator {
   if (_maximumTrackImageCoordinator) {
     _maximumTrackImageCoordinator->removeObserver(_maximumTrackImageResponseObserverProxy.get());
   }
   _maximumTrackImageCoordinator = coordinator;
-  if (_maximumTrackImageCoordinator != nullptr) {
+  if (_maximumTrackImageCoordinator) {
     _maximumTrackImageCoordinator->addObserver(_maximumTrackImageResponseObserverProxy.get());
   }
 }
 
-- (void)setThumbImageCoordinator:(std::shared_ptr<const ImageResponseObserverCoordinator>)coordinator {
+- (void)setThumbImageCoordinator:(const ImageResponseObserverCoordinator *)coordinator {
   if (_thumbImageCoordinator) {
     _thumbImageCoordinator->removeObserver(_thumbImageResponseObserverProxy.get());
   }
   _thumbImageCoordinator = coordinator;
-  if (_thumbImageCoordinator != nullptr) {
+  if (_thumbImageCoordinator) {
     _thumbImageCoordinator->addObserver(_thumbImageResponseObserverProxy.get());
   }
 }

ReactCommon/fabric/imagemanager/ImageRequest.h

@@ -55,8 +55,7 @@ class ImageRequest final {
   /*
    * Get observer coordinator.
    */
-  std::shared_ptr<const ImageResponseObserverCoordinator>
+  const ImageResponseObserverCoordinator *getObserverCoordinator() const;
-  getObserverCoordinator() const;
 
  private:
   /*

ReactCommon/fabric/imagemanager/platform/android/ImageRequest.cpp

@@ -25,8 +25,8 @@ ImageRequest::~ImageRequest() {
   // Not implemented.
 }
 
-std::shared_ptr<const ImageResponseObserverCoordinator>
+const ImageResponseObserverCoordinator *ImageRequest::getObserverCoordinator()
-ImageRequest::getObserverCoordinator() const {
+    const {
   // Not implemented
   abort();
 }

ReactCommon/fabric/imagemanager/platform/ios/ImageRequest.cpp

@@ -40,9 +40,9 @@ void ImageRequest::setCancelationFunction(
   cancelRequest_ = cancelationFunction;
 }
 
-std::shared_ptr<const ImageResponseObserverCoordinator>
+const ImageResponseObserverCoordinator *ImageRequest::getObserverCoordinator()
-ImageRequest::getObserverCoordinator() const {
+    const {
-  return coordinator_;
+  return coordinator_.get();
 }
 
 } // namespace react