25 lines
1.1 KiB
Plaintext
25 lines
1.1 KiB
Plaintext
class Actions {
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owner: Object
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state: Object
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function complete(self: Actions): Unit { self.state.increment() }
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function schedule(self: Actions, event: Event): Unit {
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ui.after(self.owner, "load", 1500, self.complete)
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}
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}
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state = ui.state(0)
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hidden = TextBlock("这个 Block 没有挂载，也能拥有任务")
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page = Page()
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page.title = "任务生命周期"
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pageActions = Actions(page, state)
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blockActions = Actions(hidden, state)
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appActions = Actions(ui, state)
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pageButton = Button("Page 任务：关闭 Tab 会取消")
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blockButton = Button("隐藏 Block 任务：关闭 Tab 仍继续")
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appButton = Button("应用任务：关闭 Tab 仍继续")
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pageConnection = pageButton.on("click", pageActions.schedule)
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blockConnection = blockButton.on("click", blockActions.schedule)
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appConnection = appButton.on("click", appActions.schedule)
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page.render(Column(24, 16, TextBlock("1.5 秒后更新同一个状态对象；重复点击只保留最新任务"), ui.textOf(state, "value"), pageButton, blockButton, appButton))
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initial = ui.after(ui, "initial", 500, appActions.complete)
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ui.window().setTitle("Owned Tasks")
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