Add files via upload

prompt.js

@@ -0,0 +1,276 @@
+/*
+ * Copyright 2017 SideeX committers
+ *
+ *  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.
+ *
+ */
+
+const originalPrompt = window.prompt
+let nextPromptResult = false
+let recordedPrompt = null
+
+const originalConfirmation = window.confirm
+let nextConfirmationResult = false
+let recordedConfirmation = null
+
+const originalAlert = window.alert
+let recordedAlert = null
+
+function getFrameLocation() {
+  let frameLocation = ''
+  let currentWindow = window
+  let currentParentWindow
+  while (currentWindow !== window.top) {
+    currentParentWindow = currentWindow.parent
+    for (let idx = 0; idx < currentParentWindow.frames.length; idx++)
+      if (currentParentWindow.frames[idx] === currentWindow) {
+        frameLocation = ':' + idx + frameLocation
+        currentWindow = currentParentWindow
+        break
+      }
+  }
+  frameLocation = 'root' + frameLocation
+  return frameLocation
+}
+
+//before record prompt
+
+// Not a top window
+if (window !== window.top) {
+  window.prompt = function(text, defaultText) {
+    if (document.body.hasAttribute('SideeXPlayingFlag')) {
+      return window.top.prompt(text, defaultText)
+    } else {
+      let result = originalPrompt(text, defaultText)
+      let frameLocation = getFrameLocation()
+      window.top.postMessage(
+        {
+          direction: 'from-page-script',
+          recordedType: 'prompt',
+          recordedMessage: text,
+          recordedResult: result,
+          frameLocation: frameLocation,
+        },
+        '*'
+      )
+      return result
+    }
+  }
+
+  window.confirm = function(text) {
+    if (document.body.hasAttribute('SideeXPlayingFlag')) {
+      return window.top.confirm(text)
+    } else {
+      let result = originalConfirmation(text)
+      let frameLocation = getFrameLocation()
+      window.top.postMessage(
+        {
+          direction: 'from-page-script',
+          recordedType: 'confirm',
+          recordedMessage: text,
+          recordedResult: result,
+          frameLocation: frameLocation,
+        },
+        '*'
+      )
+      return result
+    }
+  }
+
+  window.alert = function(text) {
+    if (document.body.hasAttribute('SideeXPlayingFlag')) {
+      recordedAlert = text
+      // Response directly
+      window.top.postMessage(
+        {
+          direction: 'from-page-script',
+          response: 'alert',
+          value: recordedAlert,
+        },
+        '*'
+      )
+      return
+    } else {
+      let result = originalAlert(text)
+      let frameLocation = getFrameLocation()
+      window.top.postMessage(
+        {
+          direction: 'from-page-script',
+          recordedType: 'alert',
+          recordedMessage: text,
+          recordedResult: result,
+          frameLocation: frameLocation,
+        },
+        '*'
+      )
+      return result
+    }
+  }
+} else {
+  // top window
+
+  window.prompt = function(text, defaultText) {
+    recordedPrompt = text
+    if (document.body.hasAttribute('setPrompt')) {
+      document.body.removeAttribute('setPrompt')
+      return nextPromptResult
+    } else {
+      let result = originalPrompt(text, defaultText)
+      let frameLocation = getFrameLocation()
+      window.top.postMessage(
+        {
+          direction: 'from-page-script',
+          recordedType: 'prompt',
+          recordedMessage: text,
+          recordedResult: result,
+          frameLocation: frameLocation,
+        },
+        '*'
+      )
+      return result
+    }
+  }
+  window.confirm = function(text) {
+    recordedConfirmation = text
+    if (document.body.hasAttribute('setConfirm')) {
+      document.body.removeAttribute('setConfirm')
+      return nextConfirmationResult
+    } else {
+      let result = originalConfirmation(text)
+      let frameLocation = getFrameLocation()
+      window.top.postMessage(
+        {
+          direction: 'from-page-script',
+          recordedType: 'confirm',
+          recordedMessage: text,
+          recordedResult: result,
+          frameLocation: frameLocation,
+        },
+        '*'
+      )
+      return result
+    }
+  }
+  window.alert = function(text) {
+    recordedAlert = text
+    if (document.body.hasAttribute('SideeXPlayingFlag')) {
+      // Response directly
+      window.top.postMessage(
+        {
+          direction: 'from-page-script',
+          response: 'alert',
+          value: recordedAlert,
+        },
+        '*'
+      )
+      return
+    } else {
+      let result = originalAlert(text)
+      let frameLocation = getFrameLocation()
+      window.top.postMessage(
+        {
+          direction: 'from-page-script',
+          recordedType: 'alert',
+          recordedMessage: text,
+          recordedResult: result,
+          frameLocation: frameLocation,
+        },
+        '*'
+      )
+      return result
+    }
+  }
+}
+
+//play window methods
+if (window == window.top) {
+  window.addEventListener('message', handler)
+}
+
+function handler(event) {
+  if (
+    event.source == window &&
+    event.data &&
+    event.data.direction == 'from-content-script'
+  ) {
+    if (event.data.detach) {
+      window.removeEventListener('message', handler)
+      window.prompt = originalPrompt
+      window.confirm = originalConfirmation
+      window.alert = originalAlert
+      return
+    }
+    let result = undefined
+    switch (event.data.command) {
+      case 'setNextPromptResult':
+        nextPromptResult = event.data.target
+        document.body.setAttribute('setPrompt', true)
+        window.postMessage(
+          {
+            direction: 'from-page-script',
+            response: 'prompt',
+          },
+          '*'
+        )
+        break
+      case 'getPromptMessage':
+        result = recordedPrompt
+        recordedPrompt = null
+        window.postMessage(
+          {
+            direction: 'from-page-script',
+            response: 'prompt',
+            value: result,
+          },
+          '*'
+        )
+        break
+      case 'setNextConfirmationResult':
+        nextConfirmationResult = event.data.target
+        document.body.setAttribute('setConfirm', true)
+        window.postMessage(
+          {
+            direction: 'from-page-script',
+            response: 'confirm',
+          },
+          '*'
+        )
+        break
+      case 'getConfirmationMessage':
+        result = recordedConfirmation
+        recordedConfirmation = null
+        try {
+          window.postMessage(
+            {
+              direction: 'from-page-script',
+              response: 'confirm',
+              value: result,
+            },
+            '*'
+          )
+        } catch (e) {} // eslint-disable-line no-empty
+        break
+
+      case 'setNextAlertResult':
+        document.body.setAttribute('setAlert', true)
+        window.postMessage(
+          {
+            direction: 'from-page-script',
+            response: 'alert',
+          },
+          '*'
+        )
+        break
+    }
+  }
+}