fix: v3-app 支持 windowBottom

packages/uni-cli-shared/lib/platform.js

@@ -125,8 +125,7 @@ const PLATFORMS = {
     filterTag: 'wxs',
     subPackages: false,
     cssVars: {
-      '--window-top': '0px',
-      '--window-bottom': '0px'
+      '--window-top': '0px'
     },
     copyWebpackOptions ({
       assetsDir,

src/platforms/app-plus/service/api/device/system.js

@@ -48,8 +48,9 @@ export function getSystemInfo () {
   } else {
     safeAreaInsets = ios ? plus.navigator.getSafeAreaInsets() : getSafeAreaInsets()
   }
+  var windowBottom = isTabBarPage() && tabBar.visible && tabBar.cover ? tabBar.height : 0
   var windowHeight = Math.min(screenHeight - (titleNView ? (statusBarHeight + TITLEBAR_HEIGHT)
-    : 0) - (isTabBarPage() && tabBar.visible ? tabBar.height : 0), screenHeight)
+    : 0) - windowBottom, screenHeight)
   var windowWidth = screenWidth
   var safeArea = {
     left: safeAreaInsets.left,
@@ -77,7 +78,7 @@ export function getSystemInfo () {
     platform,
     SDKVersion: '',
     windowTop: 0,
-    windowBottom: 0,
+    windowBottom,
     safeArea
   }
 }

src/platforms/app-plus/service/framework/plugins/lifecycle.js

@@ -20,6 +20,8 @@ import {
 }
   from '../../constants'
 
+import tabBar from '../tab-bar'
+
 function parsePageCreateOptions (vm, route) {
   const pagePath = '/' + route
   const routeOptions = __uniRoutes.find(route => route.path === pagePath)
@@ -39,7 +41,7 @@ function parsePageCreateOptions (vm, route) {
     onPageReachBottom,
     onReachBottomDistance,
     windowTop: 0, // TODO
-    windowBottom: 0 // TODO
+    windowBottom: (tabBar.indexOf(route) >= 0 && tabBar.cover) ? tabBar.height : 0
   }
 }
 

src/platforms/app-plus/service/framework/tab-bar.js

@@ -7,8 +7,10 @@ import {
   requireNativePlugin
 } from '../bridge'
 
-const TABBAR_HEIGHT = 50
+import safeAreaInsets from './safe-area-insets'
 
+const TABBAR_HEIGHT = 50
+const isIOS = plus.os.name === 'iOS'
 let config
 
 /**
@@ -73,7 +75,7 @@ function setTabBarStyle (style) {
 }
 /**
  * 隐藏 tabBar
- * @param {boolean} animation 是否需要动画效果 暂未支持
+ * @param {boolean} animation 是否需要动画效果
  */
 function hideTabBar (animation) {
   visible = false
@@ -83,7 +85,7 @@ function hideTabBar (animation) {
 }
 /**
  * 显示 tabBar
- * @param {boolean} animation 是否需要动画效果 暂未支持
+ * @param {boolean} animation 是否需要动画效果
  */
 function showTabBar (animation) {
   visible = true
@@ -110,7 +112,7 @@ export default {
       publish('onTabBarMidButtonTap', {})
     })
   },
-  switchTab (page) {
+  indexOf (page) {
     const itemLength = config.list.length
     if (itemLength) {
       for (let i = 0; i < itemLength; i++) {
@@ -118,13 +120,20 @@ export default {
           config.list[i].pagePath === page ||
           config.list[i].pagePath === `${page}.html`
         ) {
+          return i
+        }
+      }
+    }
+    return -1
+  },
+  switchTab (page) {
+    const index = this.indexOf(page)
+    if (index >= 0) {
       tabBar && tabBar.switchSelect({
-            index: i
+        index
       })
       return true
     }
-      }
-    }
     return false
   },
   setTabBarBadge,
@@ -148,7 +157,13 @@ export default {
     return visible
   },
   get height () {
-    return config && config.height ? parseFloat(config.height) : TABBAR_HEIGHT
+    return (config && config.height ? parseFloat(config.height) : TABBAR_HEIGHT) + safeAreaInsets.bottom
+  },
+  // tabBar是否遮挡内容区域
+  get cover () {
+    const array = ['extralight', 'light', 'dark']
+    // 设置背景颜色会失效
+    return isIOS && array.indexOf(config.blurEffect) >= 0 && !config.backgroundColor
   },
   setStyle ({ mask }) {
     tabBar.setMask({