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增加浏览器宽高的监听 #50

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增加浏览器宽高的监听 #50

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56 changes: 38 additions & 18 deletions src/scroll.vue
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Original file line number Diff line number Diff line change
Expand Up @@ -90,6 +90,11 @@ export default {
biggerMoveV: {
type: String,
default: ''
},
// 是否开启监控浏览器宽高
resizeBrowser: {
type: Boolean,
default: false
}
},
data () {
Expand Down Expand Up @@ -303,6 +308,33 @@ export default {
// eslint-disable-next-line
this.isScrollNotUseSpace = Vue._happyJS._isScrollNotUseSpace
}
},
// 监听浏览器宽高
watchBrowser: debounce(function () {
window.onresize = () => {
return (() => {
this.initScroll()
})()
}
}, 500, true),
// 初始化加载
initScroll () {
this.setContainerSize()
this.$nextTick(() => {
// 使滚动条进行计算比例
this.computeStripX()
this.computeStripY()
// 判断当前浏览器滚动条的模式，依据slot元素高度，如果高度大于视图高度，则出现滚动条了，此时再判断滚动条的模式
this.checkScrollMode()
// 获取当前浏览器滚动条的宽高
this.initBrowserSize()
this.$nextTick(() => {
// 因为 initBrowserSize 会有增加 20px border 的操作，所以需要等待这20px渲染完成后再进行操作
// 将视图dom移动到设定的位置
this.scrollTop && (this.$refs.container.scrollTop = +this.scrollTop)
this.scrollLeft && (this.$refs.container.scrollLeft = +this.scrollLeft)
})
})
}
},
beforeCreate () {
Expand All @@ -323,24 +355,12 @@ export default {
}, this.throttle)
},
mounted () {
// 计算最外层宽高，设置滚动条元素的宽高
this.setContainerSize()
this.$nextTick(() => {
// 使滚动条进行计算比例
this.computeStripX()
this.computeStripY()
// 判断当前浏览器滚动条的模式，依据slot元素高度，如果高度大于视图高度，则出现滚动条了，此时再判断滚动条的模式
this.checkScrollMode()
// 获取当前浏览器滚动条的宽高
this.initBrowserSize()

this.$nextTick(() => {
// 因为 initBrowserSize 会有增加 20px border 的操作，所以需要等待这20px渲染完成后再进行操作
// 将视图dom移动到设定的位置
this.scrollTop && (this.$refs.container.scrollTop = +this.scrollTop)
this.scrollLeft && (this.$refs.container.scrollLeft = +this.scrollLeft)
})
})

// 是否开启监听浏览器宽高
if (this.resizeBrowser) {
this.watchBrowser()
}
this.initScroll()

// 监听slot视图变化, 方法内部会判断是否设置了开启监听resize
this.resizeListener()
Expand Down