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Merge pull request #319 from jason-simmons/pointer_raw_examples_2

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Update the interactive_flex example for the new event handlers
This commit is contained in:
Ian Hickson 2015-11-11 17:56:44 -08:00
commit 19b6cf6c70
1 changed files with 22 additions and 8 deletions
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30
examples/rendering/interactive_flex.dart
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@ -4,9 +4,13 @@
import 'dart:ui' as ui;
import 'dart:math' as math;
import 'dart:typed_data';
import 'package:flutter/services.dart';
import 'package:flutter/rendering.dart';
import 'package:mojo/bindings.dart' as bindings;
import 'package:mojo/core.dart' as core;
import 'package:sky_services/pointer/pointer.mojom.dart';
import 'lib/solid_color_box.dart';
@ -33,15 +37,24 @@ class RenderImageGrow extends RenderImage {
RenderImageGrow image;
final Map<int, Touch> touches = <int, Touch>{};
void handleEvent(event) {
if (event is ui.PointerEvent) {
if (event.type == 'pointermove')
image.growth = math.max(0.0, image.growth + event.x - touches[event.pointer].x);
touches[event.pointer] = new Touch(event.x, event.y);
}
if (event.type == "back") {
void handleEvent(String eventType, double timeStamp) {
if (eventType == "back")
activity.finishCurrentActivity();
}
final Map<int, Touch> touches = <int, Touch>{};
void handlePointerPacket(ByteData serializedPacket) {
bindings.Message message = new bindings.Message(
serializedPacket,
<core.MojoHandle>[]
);
PointerPacket packet = PointerPacket.deserialize(message);
for (Pointer pointer in packet.pointers) {
if (pointer.type == PointerType.MOVE)
image.growth = math.max(0.0, image.growth + pointer.x - touches[pointer.pointer].x);
touches[pointer.pointer] = new Touch(pointer.x, pointer.y);
}
}
@ -102,4 +115,5 @@ Pancetta meatball tongue tenderloin rump tail jowl boudin.""";
updateTaskDescription('Interactive Flex', topColor);
new FlutterBinding(root: root);
ui.window.onEvent = handleEvent;
ui.window.onPointerPacket = handlePointerPacket;
}