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Doric/doric-js/src/native/coordinator.ts
2020-03-11 13:42:17 +08:00

68 lines
2.5 KiB
TypeScript

/*
* Copyright [2019] [Doric.Pub]
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
import { BridgeContext } from "../runtime/global"
import { Scroller } from "../widget/scroller"
import { List } from "../widget/list"
import { FlowLayout } from "../widget/flowlayout"
import { View } from "../ui/view"
import { Color } from "../util/color"
import { Panel } from "../ui/panel"
function viewIdChains(view: View) {
const viewIds = []
let thisView: View | undefined = view
while (thisView != undefined) {
viewIds.push(thisView.viewId)
thisView = thisView.superview
}
return viewIds.reverse()
}
export function coordinator(context: BridgeContext) {
return {
verticalScrolling: (
argument: {
scrollable: Scroller | List | FlowLayout,
scrollRange: {
start: number,
end: number,
},
target: View | "NavBar",
changing: {
name: "backgroundColor" | "width" | "height" | "x" | "y" | "alpha",
start: number | Color
end: number | Color
},
}) => {
if (context.entity instanceof Panel) {
const panel = context.entity
panel.addOnRenderFinishedCallback(() => {
(argument as any).scrollable = viewIdChains(argument.scrollable)
if (argument.target instanceof View) {
(argument as any).target = viewIdChains(argument.target)
}
if (argument.changing.start instanceof Color) {
argument.changing.start = argument.changing.start.toModel()
}
if (argument.changing.end instanceof Color) {
argument.changing.end = argument.changing.end.toModel()
}
context.callNative("coordinator", "verticalScrolling", argument)
})
}
}
}
}