feat: Optional RenderManager

example/ios/Flutter/AppFrameworkInfo.plist

@@ -21,6 +21,6 @@
  <key>CFBundleVersion</key>
  <string>1.0</string>
  <key>MinimumOSVersion</key>
- <string>9.0</string>
+ <string>12.0</string>
 </dict>
 </plist>

example/ios/Runner.xcodeproj/project.pbxproj

@@ -3,7 +3,7 @@
  archiveVersion = 1;
  classes = {
  };
- objectVersion = 50;
+ objectVersion = 54;
  objects = {
 
 /* Begin PBXBuildFile section */
@@ -127,7 +127,7 @@
  97C146E61CF9000F007C117D /* Project object */ = {
  isa = PBXProject;
  attributes = {
- LastUpgradeCheck = 1300;
+ LastUpgradeCheck = 1510;
  ORGANIZATIONNAME = "";
  TargetAttributes = {
  97C146ED1CF9000F007C117D = {
@@ -171,10 +171,12 @@
 /* Begin PBXShellScriptBuildPhase section */
  3B06AD1E1E4923F5004D2608 /* Thin Binary */ = {
  isa = PBXShellScriptBuildPhase;
+ alwaysOutOfDate = 1;
  buildActionMask = 2147483647;
  files = (
  );
  inputPaths = (
+ "${TARGET_BUILD_DIR}/${INFOPLIST_PATH}",
  );
  name = "Thin Binary";
  outputPaths = (
@@ -185,6 +187,7 @@
  };
  9740EEB61CF901F6004384FC /* Run Script */ = {
  isa = PBXShellScriptBuildPhase;
+ alwaysOutOfDate = 1;
  buildActionMask = 2147483647;
  files = (
  );
@@ -272,7 +275,7 @@
  GCC_WARN_UNINITIALIZED_AUTOS = YES_AGGRESSIVE;
  GCC_WARN_UNUSED_FUNCTION = YES;
  GCC_WARN_UNUSED_VARIABLE = YES;
- IPHONEOS_DEPLOYMENT_TARGET = 9.0;
+ IPHONEOS_DEPLOYMENT_TARGET = 12.0;
  MTL_ENABLE_DEBUG_INFO = NO;
  SDKROOT = iphoneos;
  SUPPORTED_PLATFORMS = iphoneos;
@@ -350,7 +353,7 @@
  GCC_WARN_UNINITIALIZED_AUTOS = YES_AGGRESSIVE;
  GCC_WARN_UNUSED_FUNCTION = YES;
  GCC_WARN_UNUSED_VARIABLE = YES;
- IPHONEOS_DEPLOYMENT_TARGET = 9.0;
+ IPHONEOS_DEPLOYMENT_TARGET = 12.0;
  MTL_ENABLE_DEBUG_INFO = YES;
  ONLY_ACTIVE_ARCH = YES;
  SDKROOT = iphoneos;
@@ -399,7 +402,7 @@
  GCC_WARN_UNINITIALIZED_AUTOS = YES_AGGRESSIVE;
  GCC_WARN_UNUSED_FUNCTION = YES;
  GCC_WARN_UNUSED_VARIABLE = YES;
- IPHONEOS_DEPLOYMENT_TARGET = 9.0;
+ IPHONEOS_DEPLOYMENT_TARGET = 12.0;
  MTL_ENABLE_DEBUG_INFO = NO;
  SDKROOT = iphoneos;
  SUPPORTED_PLATFORMS = iphoneos;

example/ios/Runner.xcodeproj/xcshareddata/xcschemes/Runner.xcscheme

@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <Scheme
- LastUpgradeVersion = "1300"
+ LastUpgradeVersion = "1510"
  version = "1.3">
  <BuildAction
  parallelizeBuildables = "YES"

example/ios/Runner/Info.plist

@@ -45,5 +45,7 @@
  <true/>
  <key>CADisableMinimumFrameDurationOnPhone</key>
  <true/>
+ <key>UIApplicationSupportsIndirectInputEvents</key>
+ <true/>
 </dict>
 </plist>

example/lib/main.dart

@@ -49,6 +49,7 @@ class _MyHomePageState extends State<MyHomePage> {
 
  final String _text0Id = 'text0Id';
  final String _text1Id = 'text1Id';
+ final String _text2Id = 'text2Id';
  final String _containerPositionedId = 'containerPositionedId';
  final String _textBlockId = 'textBlockId';
 
@@ -57,6 +58,7 @@ class _MyHomePageState extends State<MyHomePage> {
  bool _isOpacity = false;
 
  String _text0 = '';
+ String _text2 = 'No metrics';
 
  @override
  void initState() {
@@ -119,6 +121,15 @@ class _MyHomePageState extends State<MyHomePage> {
  text: 'Metrics:\n\n$_text0',
  ),
  ),
+ const SizedBox(height: 20),
+ RenderMetricsObject(
+ id: _text2Id,
+ onMount: _onUpdate,
+ onUpdate: _onUpdate,
+ child: _TextContainer(
+ text: 'Metrics without manager:\n\n$_text2',
+ ),
+ ),
  const SizedBox(height: 1500),
  ],
  ),
@@ -160,6 +171,14 @@ class _MyHomePageState extends State<MyHomePage> {
  _isOpacity = isChange;
  });
  }
+
+ void _onUpdate(Object? id, RenderMetricsBox box) {
+ Future.delayed(const Duration(seconds: 1)).then((value) {
+ setState(() {
+ _text2 = box.data.toString();
+ });
+ });
+ }
 }
 
 class _TextContainer extends StatelessWidget {

lib/src/manager/render_parameters_manager.dart

@@ -28,13 +28,21 @@ class RenderParametersManager<T> extends RenderManager<T> {
  /// Add an instance of [RenderObject] by [id].
  @override
  void addRenderObject(T id, RenderObject renderObject) {
- renderObjects[id] = renderObject as RenderMetricsBox;
+ if (renderObject is! RenderMetricsBox) {
+ return;
+ }
+
+ renderObjects[id] = renderObject;
  }
 
  /// Update an instance of [RenderObject] by [id].
  @override
  void updateRenderObject(T id, RenderObject renderObject) {
- renderObjects[id] = renderObject as RenderMetricsBox;
+ if (renderObject is! RenderMetricsBox) {
+ return;
+ }
+
+ renderObjects[id] = renderObject;
  }
 
  /// Delete an instance of [RenderObject] by [id].

lib/src/render/render_metrics.dart

@@ -40,15 +40,15 @@ typedef UnMountCallback<T> = void Function(T id);
 class RenderMetricsObject<T> extends SingleChildRenderObjectWidget {
  const RenderMetricsObject({
  required this.id,
- required this.manager,
+ this.manager,
  this.onMount,
  this.onUpdate,
  this.onUnMount,
  Key? key,
  Widget? child,
  }) : super(key: key, child: child);
  final T id;
- final RenderManager manager;
+ final RenderManager? manager;
  final MountCallback<T>? onMount;
  final MountCallback<T>? onUpdate;
  final UnMountCallback<T>? onUnMount;
@@ -57,7 +57,7 @@ class RenderMetricsObject<T> extends SingleChildRenderObjectWidget {
  RenderMetricsBox createRenderObject(BuildContext context) {
  final r = RenderMetricsBox();
  onMount?.call(id, r);
- manager.addRenderObject(id, r);
+ manager?.addRenderObject(id, r);
  return r;
  }
 
@@ -68,13 +68,13 @@ class RenderMetricsObject<T> extends SingleChildRenderObjectWidget {
  ) {
  if (renderObject is RenderMetricsBox) {
  onUpdate?.call(id, renderObject);
- manager.updateRenderObject(id, renderObject);
+ manager?.updateRenderObject(id, renderObject);
  }
  }
 
  @override
  void didUnmountRenderObject(covariant RenderObject renderObject) {
- manager.removeRenderObject(id);
+ manager?.removeRenderObject(id);
  onUnMount?.call(id);
  }
 }
@@ -86,6 +86,7 @@ class RenderMetricsBox extends RenderProxyBox {
  RenderMetricsBox({
  RenderBox? child,
  }) : super(child);
+
  RenderData get data {
  final size = this.size;
  final width = size.width;

pubspec.yaml

@@ -15,7 +15,7 @@ dev_dependencies:
  surf_lint_rules: ^1.0.0
 
 environment:
- sdk: ">=2.12.0 <3.0.0"
+ sdk: ">=2.12.0 <4.0.0"
 
 flutter:
  uses-material-design: true