FlutterPlatformViewsController.mm File Reference

#import "shell/platform/darwin/ios/framework/Source/FlutterPlatformViewsController.h"
#include "flutter/display_list/effects/image_filters/dl_blur_image_filter.h"
#include "flutter/flow/surface_frame.h"
#include "flutter/flow/view_slicer.h"
#include "flutter/fml/make_copyable.h"
#include "flutter/fml/synchronization/count_down_latch.h"
#import "flutter/shell/platform/darwin/ios/framework/Source/FlutterOverlayView.h"
#import "flutter/shell/platform/darwin/ios/framework/Source/FlutterView.h"
#include "flutter/shell/platform/darwin/ios/framework/Source/overlay_layer_pool.h"
#import "flutter/shell/platform/darwin/ios/ios_surface.h"

Go to the source code of this file.

Classes
struct	LayerData
struct	PlatformViewData

Typedefs
using	LayersMap = std::unordered_map< int64_t, LayerData >

Functions
static CATransform3D	GetCATransform3DFromSkMatrix (const SkMatrix &matrix)
static void	ResetAnchor (CALayer *layer)
static CGRect	GetCGRectFromSkRect (const SkRect &clipSkRect)
static bool	ClipRectContainsPlatformViewBoundingRect (const SkRect &clip_rect, const SkRect &platformview_boundingrect, const SkMatrix &transform_matrix)
static bool	ClipRRectContainsPlatformViewBoundingRect (const SkRRect &clip_rrect, const SkRect &platformview_boundingrect, const SkMatrix &transform_matrix)

Variables
static constexpr int	kDefaultMergedLeaseDuration = 10
static constexpr NSUInteger	kFlutterClippingMaskViewPoolCapacity = 5
std::unordered_map< int64_t, std::unique_ptr< flutter::EmbedderViewSlice > >	_slices
std::unordered_map< std::string, NSObject< FlutterPlatformViewFactory > * >	_factories
std::unordered_map< std::string, FlutterPlatformViewGestureRecognizersBlockingPolicy >	_gestureRecognizersBlockingPolicies
fml::RefPtr< fml::TaskRunner >	_platformTaskRunner
std::unordered_map< int64_t, PlatformViewData >	_platformViews
std::unordered_map< int64_t, flutter::EmbeddedViewParams >	_currentCompositionParams
std::unordered_set< int64_t >	_viewsToDispose
std::vector< int64_t >	_compositionOrder
std::vector< int64_t >	_visitedPlatformViews
std::unordered_set< int64_t >	_viewsToRecomposite
std::vector< int64_t >	_previousCompositionOrder

Typedef Documentation

LayersMap

using LayersMap = std::unordered_map<int64_t, LayerData>

Definition at line 31 of file FlutterPlatformViewsController.mm.

Function Documentation

ClipRectContainsPlatformViewBoundingRect()

static bool ClipRectContainsPlatformViewBoundingRect ( const SkRect &  clip_rect, const SkRect &  platformview_boundingrect, const SkMatrix &  transform_matrix  )

static

Definition at line 83 of file FlutterPlatformViewsController.mm.

                                                                                       {
  SkRect transformed_rect = transform_matrix.mapRect(clip_rect);
  return transformed_rect.contains(platformview_boundingrect);
}

ClipRRectContainsPlatformViewBoundingRect()

static bool ClipRRectContainsPlatformViewBoundingRect ( const SkRRect &  clip_rrect, const SkRect &  platformview_boundingrect, const SkMatrix &  transform_matrix  )

static

Definition at line 98 of file FlutterPlatformViewsController.mm.

                                                                                        {
  SkVector upper_left = clip_rrect.radii(SkRRect::Corner::kUpperLeft_Corner);
  SkVector upper_right = clip_rrect.radii(SkRRect::Corner::kUpperRight_Corner);
  SkVector lower_right = clip_rrect.radii(SkRRect::Corner::kLowerRight_Corner);
  SkVector lower_left = clip_rrect.radii(SkRRect::Corner::kLowerLeft_Corner);
  SkScalar transformed_upper_left_x = transform_matrix.mapRadius(upper_left.x());
  SkScalar transformed_upper_left_y = transform_matrix.mapRadius(upper_left.y());
  SkScalar transformed_upper_right_x = transform_matrix.mapRadius(upper_right.x());
  SkScalar transformed_upper_right_y = transform_matrix.mapRadius(upper_right.y());
  SkScalar transformed_lower_right_x = transform_matrix.mapRadius(lower_right.x());
  SkScalar transformed_lower_right_y = transform_matrix.mapRadius(lower_right.y());
  SkScalar transformed_lower_left_x = transform_matrix.mapRadius(lower_left.x());
  SkScalar transformed_lower_left_y = transform_matrix.mapRadius(lower_left.y());
  SkRect transformed_clip_rect = transform_matrix.mapRect(clip_rrect.rect());
  SkRRect transformed_rrect;
  SkVector corners[] = {{transformed_upper_left_x, transformed_upper_left_y},
                        {transformed_upper_right_x, transformed_upper_right_y},
                        {transformed_lower_right_x, transformed_lower_right_y},
                        {transformed_lower_left_x, transformed_lower_left_y}};
  transformed_rrect.setRectRadii(transformed_clip_rect, corners);
  return transformed_rrect.contains(platformview_boundingrect);
}

GetCATransform3DFromSkMatrix()

static CATransform3D GetCATransform3DFromSkMatrix ( const SkMatrix &  matrix )

static

Definition at line 46 of file FlutterPlatformViewsController.mm.

                                                                          {
  // Skia only supports 2D transform so we don't map z.
  CATransform3D transform = CATransform3DIdentity;
  transform.m11 = matrix.getScaleX();
  transform.m21 = matrix.getSkewX();
  transform.m41 = matrix.getTranslateX();
  transform.m14 = matrix.getPerspX();
 
  transform.m12 = matrix.getSkewY();
  transform.m22 = matrix.getScaleY();
  transform.m42 = matrix.getTranslateY();
  transform.m24 = matrix.getPerspY();
  return transform;
}

Referenced by FlutterClippingMaskView::clipPath:matrix:, FlutterClippingMaskView::clipRect:matrix:, and FlutterClippingMaskView::clipRRect:matrix:.

GetCGRectFromSkRect()

static CGRect GetCGRectFromSkRect ( const SkRect &  clipSkRect )

static

Definition at line 70 of file FlutterPlatformViewsController.mm.

                                                            {
  return CGRectMake(clipSkRect.fLeft, clipSkRect.fTop, clipSkRect.fRight - clipSkRect.fLeft,
                    clipSkRect.fBottom - clipSkRect.fTop);
}

Referenced by FlutterClippingMaskView::clipRect:matrix:, and FlutterClippingMaskView::clipRRect:matrix:.

ResetAnchor()

static void ResetAnchor ( CALayer *  layer )

static

Definition at line 64 of file FlutterPlatformViewsController.mm.

                                        {
  // Flow uses (0, 0) to apply transform matrix so we need to match that in Quartz.
  layer.anchorPoint = CGPointZero;
  layer.position = CGPointZero;
}

Variable Documentation

_compositionOrder

std::vector<int64_t> _compositionOrder

Definition at line 285 of file FlutterPlatformViewsController.mm.

_currentCompositionParams

std::unordered_map<int64_t, flutter::EmbeddedViewParams> _currentCompositionParams

Definition at line 283 of file FlutterPlatformViewsController.mm.

_factories

std::unordered_map<std::string, NSObject<FlutterPlatformViewFactory>*> _factories

Definition at line 278 of file FlutterPlatformViewsController.mm.

_gestureRecognizersBlockingPolicies

std::unordered_map<std::string, FlutterPlatformViewGestureRecognizersBlockingPolicy> _gestureRecognizersBlockingPolicies

Definition at line 280 of file FlutterPlatformViewsController.mm.

_platformTaskRunner

fml::RefPtr<fml::TaskRunner> _platformTaskRunner

Definition at line 281 of file FlutterPlatformViewsController.mm.

_platformViews

std::unordered_map<int64_t, PlatformViewData> _platformViews

Definition at line 282 of file FlutterPlatformViewsController.mm.

_previousCompositionOrder

std::vector<int64_t> _previousCompositionOrder

Definition at line 288 of file FlutterPlatformViewsController.mm.

_slices

std::unordered_map<int64_t, std::unique_ptr<flutter::EmbedderViewSlice> > _slices

Initial value:

{
  
  
  
  
  
  
  
  std::unique_ptr<flutter::OverlayLayerPool> _layerPool

Definition at line 268 of file FlutterPlatformViewsController.mm.

_viewsToDispose

std::unordered_set<int64_t> _viewsToDispose

Definition at line 284 of file FlutterPlatformViewsController.mm.

_viewsToRecomposite

std::unordered_set<int64_t> _viewsToRecomposite

Definition at line 287 of file FlutterPlatformViewsController.mm.

_visitedPlatformViews

std::vector<int64_t> _visitedPlatformViews

Definition at line 286 of file FlutterPlatformViewsController.mm.

kDefaultMergedLeaseDuration

constexpr int kDefaultMergedLeaseDuration = 10

staticconstexpr

Definition at line 21 of file FlutterPlatformViewsController.mm.

Referenced by FlutterPlatformViewsController::endFrameWithResubmit:threadMerger:impellerEnabled:, and FlutterPlatformViewsController::postPrerollActionWithThreadMerger:impellerEnabled:.

kFlutterClippingMaskViewPoolCapacity

constexpr NSUInteger kFlutterClippingMaskViewPoolCapacity = 5

staticconstexpr

Definition at line 23 of file FlutterPlatformViewsController.mm.