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Add embedderId to PointerEvent (#60930)

Browse source 
This field is used to look-up the event in the platform
that resuted a given `PointerEvent`. This is currently only
used on Android, where the `embedderId` is set to be the
`motionEventId` for a given `MotionEvent`.

Roll engine to d0d6a4c2362d2ed478006bb3b01c34c0e96033b4
This commit is contained in:
Kaushik Iska 2020-07-07 10:59:12 -07:00 committed by GitHub
parent f111a823ec
commit 2ab5099436
No known key found for this signature in database
GPG key ID: 4AEE18F83AFDEB23
5 changed files with 59 additions and 1 deletions
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2
bin/internal/engine.version
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@ -1 +1 @@
f22ac9da9c78215a3caf038b2205444dc2ee3d0d
d0d6a4c2362d2ed478006bb3b01c34c0e96033b4

2
dev/integration_tests/android_views/lib/wm_integrations.dart
View file

@ -219,6 +219,7 @@ class WindowManagerBodyState extends State<WindowManagerBody> {
eventTime: 723657071,
action: 0,
xPrecision: 1.0,
motionEventId: 1,
),
AndroidMotionEvent(
downTime: 723657071,
@ -252,6 +253,7 @@ class WindowManagerBodyState extends State<WindowManagerBody> {
edgeFlags: 0,
source: 4098,
flags: 0,
motionEventId: 2,
),
];
}

8
packages/flutter/lib/src/gestures/converter.dart
View file

@ -74,6 +74,7 @@ class PointerEventConverter {
radiusMax: radiusMax,
orientation: datum.orientation,
tilt: datum.tilt,
embedderId: datum.embedderId,
);
break;
case ui.PointerChange.hover:
@ -97,6 +98,7 @@ class PointerEventConverter {
orientation: datum.orientation,
tilt: datum.tilt,
synthesized: datum.synthesized,
embedderId: datum.embedderId,
);
break;
case ui.PointerChange.down:
@ -119,6 +121,7 @@ class PointerEventConverter {
radiusMax: radiusMax,
orientation: datum.orientation,
tilt: datum.tilt,
embedderId: datum.embedderId,
);
break;
case ui.PointerChange.move:
@ -144,6 +147,7 @@ class PointerEventConverter {
tilt: datum.tilt,
platformData: datum.platformData,
synthesized: datum.synthesized,
embedderId: datum.embedderId,
);
break;
case ui.PointerChange.up:
@ -167,6 +171,7 @@ class PointerEventConverter {
radiusMax: radiusMax,
orientation: datum.orientation,
tilt: datum.tilt,
embedderId: datum.embedderId,
);
break;
case ui.PointerChange.cancel:
@ -189,6 +194,7 @@ class PointerEventConverter {
radiusMax: radiusMax,
orientation: datum.orientation,
tilt: datum.tilt,
embedderId: datum.embedderId,
);
break;
case ui.PointerChange.remove:
@ -203,6 +209,7 @@ class PointerEventConverter {
distanceMax: datum.distanceMax,
radiusMin: radiusMin,
radiusMax: radiusMax,
embedderId: datum.embedderId,
);
break;
}
@ -217,6 +224,7 @@ class PointerEventConverter {
device: datum.device,
position: position,
scrollDelta: scrollDelta,
embedderId: datum.embedderId,
);
break;
case ui.PointerSignalKind.none:

42
packages/flutter/lib/src/gestures/events.dart
View file

@ -202,6 +202,7 @@ abstract class PointerEvent with Diagnosticable {
/// Abstract const constructor. This constructor enables subclasses to provide
/// const constructors so that they can be used in const expressions.
const PointerEvent({
this.embedderId = 0,
this.timeStamp = Duration.zero,
this.pointer = 0,
this.kind = PointerDeviceKind.touch,
@ -232,6 +233,14 @@ abstract class PointerEvent with Diagnosticable {
}) : localPosition = localPosition ?? position,
localDelta = localDelta ?? delta;
/// Unique identifier that ties the [PointerEvent] to the embedder event that created it.
///
/// No two pointer events can have the same [embedderId] on platforms that set it.
/// This is different from [pointer] identifier - used for hit-testing,
/// whereas [embedderId] is used to identify the platform event.
///
/// On Android this is ID of the underlying [MotionEvent](https://developer.android.com/reference/android/view/MotionEvent).
final int embedderId;
/// Time of event dispatch, relative to an arbitrary timeline.
final Duration timeStamp;
@ -504,6 +513,7 @@ abstract class PointerEvent with Diagnosticable {
properties.add(IntProperty('platformData', platformData, defaultValue: 0, level: DiagnosticLevel.debug));
properties.add(FlagProperty('obscured', value: obscured, ifTrue: 'obscured', level: DiagnosticLevel.debug));
properties.add(FlagProperty('synthesized', value: synthesized, ifTrue: 'synthesized', level: DiagnosticLevel.debug));
properties.add(IntProperty('embedderId', embedderId, defaultValue: 0, level: DiagnosticLevel.debug));
}
/// Returns a complete textual description of this event.
@ -592,6 +602,7 @@ class PointerAddedEvent extends PointerEvent {
double tilt = 0.0,
Matrix4 transform,
PointerAddedEvent original,
int embedderId = 0,
}) : super(
timeStamp: timeStamp,
kind: kind,
@ -610,6 +621,7 @@ class PointerAddedEvent extends PointerEvent {
tilt: tilt,
transform: transform,
original: original,
embedderId: embedderId,
);
@override
@ -634,6 +646,7 @@ class PointerAddedEvent extends PointerEvent {
tilt: tilt,
transform: transform,
original: original as PointerAddedEvent ?? this,
embedderId: embedderId,
);
}
}
@ -660,6 +673,7 @@ class PointerRemovedEvent extends PointerEvent {
double radiusMax = 0.0,
Matrix4 transform,
PointerRemovedEvent original,
int embedderId = 0,
}) : super(
timeStamp: timeStamp,
kind: kind,
@ -675,6 +689,7 @@ class PointerRemovedEvent extends PointerEvent {
radiusMax: radiusMax,
transform: transform,
original: original,
embedderId: embedderId,
);
@override
@ -696,6 +711,7 @@ class PointerRemovedEvent extends PointerEvent {
radiusMax: radiusMax,
transform: transform,
original: original as PointerRemovedEvent ?? this,
embedderId: embedderId,
);
}
}
@ -738,6 +754,7 @@ class PointerHoverEvent extends PointerEvent {
bool synthesized = false,
Matrix4 transform,
PointerHoverEvent original,
int embedderId = 0,
}) : super(
timeStamp: timeStamp,
kind: kind,
@ -764,6 +781,7 @@ class PointerHoverEvent extends PointerEvent {
synthesized: synthesized,
transform: transform,
original: original,
embedderId: embedderId,
);
@override
@ -801,6 +819,7 @@ class PointerHoverEvent extends PointerEvent {
synthesized: synthesized,
transform: transform,
original: original as PointerHoverEvent ?? this,
embedderId: embedderId,
);
}
}
@ -844,6 +863,7 @@ class PointerEnterEvent extends PointerEvent {
bool synthesized = false,
Matrix4 transform,
PointerEnterEvent original,
int embedderId = 0,
}) : super(
timeStamp: timeStamp,
kind: kind,
@ -870,6 +890,7 @@ class PointerEnterEvent extends PointerEvent {
synthesized: synthesized,
transform: transform,
original: original,
embedderId: embedderId,
);
/// Creates an enter event from a [PointerHoverEvent].
@ -947,6 +968,7 @@ class PointerEnterEvent extends PointerEvent {
synthesized: synthesized,
transform: transform,
original: original as PointerEnterEvent ?? this,
embedderId: embedderId,
);
}
}
@ -990,6 +1012,7 @@ class PointerExitEvent extends PointerEvent {
bool synthesized = false,
Matrix4 transform,
PointerExitEvent original,
int embedderId = 0,
}) : super(
timeStamp: timeStamp,
kind: kind,
@ -1016,6 +1039,7 @@ class PointerExitEvent extends PointerEvent {
synthesized: synthesized,
transform: transform,
original: original,
embedderId: embedderId,
);
/// Creates an exit event from a [PointerHoverEvent].
@ -1093,6 +1117,7 @@ class PointerExitEvent extends PointerEvent {
synthesized: synthesized,
transform: transform,
original: original as PointerExitEvent ?? this,
embedderId: embedderId,
);
}
}
@ -1124,6 +1149,7 @@ class PointerDownEvent extends PointerEvent {
double tilt = 0.0,
Matrix4 transform,
PointerDownEvent original,
int embedderId = 0,
}) : super(
timeStamp: timeStamp,
pointer: pointer,
@ -1148,6 +1174,7 @@ class PointerDownEvent extends PointerEvent {
tilt: tilt,
transform: transform,
original: original,
embedderId: embedderId,
);
@override
@ -1177,6 +1204,7 @@ class PointerDownEvent extends PointerEvent {
tilt: tilt,
transform: transform,
original: original as PointerDownEvent ?? this,
embedderId: embedderId,
);
}
}
@ -1218,6 +1246,7 @@ class PointerMoveEvent extends PointerEvent {
bool synthesized = false,
Matrix4 transform,
PointerMoveEvent original,
int embedderId = 0,
}) : super(
timeStamp: timeStamp,
pointer: pointer,
@ -1246,6 +1275,7 @@ class PointerMoveEvent extends PointerEvent {
synthesized: synthesized,
transform: transform,
original: original,
embedderId: embedderId,
);
@override
@ -1286,6 +1316,7 @@ class PointerMoveEvent extends PointerEvent {
synthesized: synthesized,
transform: transform,
original: original as PointerMoveEvent ?? this,
embedderId: embedderId,
);
}
}
@ -1320,6 +1351,7 @@ class PointerUpEvent extends PointerEvent {
double tilt = 0.0,
Matrix4 transform,
PointerUpEvent original,
int embedderId = 0,
}) : super(
timeStamp: timeStamp,
pointer: pointer,
@ -1344,6 +1376,7 @@ class PointerUpEvent extends PointerEvent {
tilt: tilt,
transform: transform,
original: original,
embedderId: embedderId,
);
@override
@ -1374,6 +1407,7 @@ class PointerUpEvent extends PointerEvent {
tilt: tilt,
transform: transform,
original: original as PointerUpEvent ?? this,
embedderId: embedderId,
);
}
}
@ -1395,6 +1429,7 @@ abstract class PointerSignalEvent extends PointerEvent {
Offset localPosition,
Matrix4 transform,
PointerSignalEvent original,
int embedderId = 0,
}) : super(
timeStamp: timeStamp,
pointer: pointer,
@ -1404,6 +1439,7 @@ abstract class PointerSignalEvent extends PointerEvent {
localPosition: localPosition,
transform: transform,
original: original,
embedderId: embedderId,
);
}
@ -1424,6 +1460,7 @@ class PointerScrollEvent extends PointerSignalEvent {
this.scrollDelta = Offset.zero,
Matrix4 transform,
PointerScrollEvent original,
int embedderId = 0,
}) : assert(timeStamp != null),
assert(kind != null),
assert(device != null),
@ -1437,6 +1474,7 @@ class PointerScrollEvent extends PointerSignalEvent {
localPosition: localPosition,
transform: transform,
original: original,
embedderId: embedderId,
);
/// The amount to scroll, in logical pixels.
@ -1456,6 +1494,7 @@ class PointerScrollEvent extends PointerSignalEvent {
scrollDelta: scrollDelta,
transform: transform,
original: original as PointerScrollEvent ?? this,
embedderId: embedderId,
);
}
@ -1493,6 +1532,7 @@ class PointerCancelEvent extends PointerEvent {
double tilt = 0.0,
Matrix4 transform,
PointerCancelEvent original,
int embedderId = 0,
}) : super(
timeStamp: timeStamp,
pointer: pointer,
@ -1517,6 +1557,7 @@ class PointerCancelEvent extends PointerEvent {
tilt: tilt,
transform: transform,
original: original,
embedderId: embedderId,
);
@override
@ -1546,6 +1587,7 @@ class PointerCancelEvent extends PointerEvent {
tilt: tilt,
transform: transform,
original: original as PointerCancelEvent ?? this,
embedderId: embedderId,
);
}
}

6
packages/flutter/lib/src/services/platform_views.dart
View file

@ -368,6 +368,7 @@ class AndroidMotionEvent {
@required this.edgeFlags,
@required this.source,
@required this.flags,
@required this.motionEventId,
}) : assert(downTime != null),
assert(eventTime != null),
assert(action != null),
@ -449,6 +450,9 @@ class AndroidMotionEvent {
/// See Android's [MotionEvent#getFlags](https://developer.android.com/reference/android/view/MotionEvent.html#getFlags()).
final int flags;
/// Used to identify this [MotionEvent](https://developer.android.com/reference/android/view/MotionEvent.html) uniquely in the Flutter Engine.
final int motionEventId;
List<dynamic> _asList(int viewId) {
return <dynamic>[
viewId,
@ -466,6 +470,7 @@ class AndroidMotionEvent {
edgeFlags,
source,
flags,
motionEventId,
];
}
@ -602,6 +607,7 @@ class _AndroidMotionEventConverter {
edgeFlags: 0,
source: 0,
flags: 0,
motionEventId: event.embedderId,
);
}