From 218d69d288abf3d177794ffc60d7eddd902461c1 Mon Sep 17 00:00:00 2001
From: Cheng Zhao <zcbenz@gmail.com>
Date: Sat, 25 Oct 2014 09:05:50 +0800
Subject: [PATCH] Dispatch WebContents events to <webview>

---
 atom/browser/lib/guest-view-manager.coffee   | 18 +++++++++++++++++
 atom/renderer/lib/guest-view-internal.coffee | 21 ++++++++++++++++++++
 atom/renderer/lib/web-view.coffee            |  5 +----
 3 files changed, 40 insertions(+), 4 deletions(-)

diff --git a/atom/browser/lib/guest-view-manager.coffee b/atom/browser/lib/guest-view-manager.coffee
index 51419f63b212..279873254958 100644
--- a/atom/browser/lib/guest-view-manager.coffee
+++ b/atom/browser/lib/guest-view-manager.coffee
@@ -2,6 +2,17 @@ ipc = require 'ipc'
 webContents = require 'web-contents'
 webViewManager = null  # Doesn't exist in early initialization.
 
+supportedWebViewEvents = [
+  'did-finish-load'
+  'did-fail-load'
+  'did-frame-finish-load'
+  'did-start-loading'
+  'did-stop-loading'
+  'did-get-redirect-request'
+  'crashed'
+  'destroyed'
+]
+
 nextInstanceId = 0
 guestInstances = {}
 
@@ -27,6 +38,7 @@ createGuest = (embedder, params) ->
 
   # Init guest web view after attached.
   guest.once 'did-attach', (event, params) ->
+    @viewInstanceId = params.instanceId
     min = width: params.minwidth, height: params.minheight
     max = width: params.maxwidth, height: params.maxheight
     @setAutoSize params.autosize, min, max
@@ -35,6 +47,12 @@ createGuest = (embedder, params) ->
     if params.allowtransparency?
       @setAllowTransparency params.allowtransparency
 
+  # Dispatch events to embedder.
+  for event in supportedWebViewEvents
+    do (event) ->
+      guest.on event, (_, args...) ->
+        embedder.send "ATOM_SHELL_GUEST_VIEW_INTERNAL_DISPATCH_EVENT-#{guest.viewInstanceId}", event, args...
+
   id
 
 # Destroy an existing guest instance.
diff --git a/atom/renderer/lib/guest-view-internal.coffee b/atom/renderer/lib/guest-view-internal.coffee
index 7fc2de3f2dde..69a67ae9b755 100644
--- a/atom/renderer/lib/guest-view-internal.coffee
+++ b/atom/renderer/lib/guest-view-internal.coffee
@@ -2,7 +2,28 @@ ipc = require 'ipc'
 
 requestId = 0
 
+WEB_VIEW_EVENTS =
+  'did-finish-load': []
+  'did-fail-load': ['errorCode', 'errorDescription']
+  'did-frame-finish-load': ['isMainFrame']
+  'did-start-loading': []
+  'did-stop-loading': []
+  'did-get-redirect-request': ['oldUrl', 'newUrl', 'isMainFrame']
+  'crashed': []
+  'destroyed': []
+
+dispatchEvent = (webView, event, args...) ->
+  throw new Error("Unkown event #{event}") unless WEB_VIEW_EVENTS[event]?
+  domEvent = new Event(event)
+  for f, i in WEB_VIEW_EVENTS[event]
+    domEvent[f] = args[i]
+  webView.webviewNode.dispatchEvent domEvent
+
 module.exports =
+  registerEvents: (webView, viewInstanceId) ->
+    ipc.on "ATOM_SHELL_GUEST_VIEW_INTERNAL_DISPATCH_EVENT-#{viewInstanceId}", (event, args...) ->
+      dispatchEvent webView, event, args...
+
   createGuest: (type, params, callback) ->
     requestId++
     ipc.send 'ATOM_SHELL_GUEST_VIEW_MANAGER_CREATE_GUEST', type, params, requestId
diff --git a/atom/renderer/lib/web-view.coffee b/atom/renderer/lib/web-view.coffee
index 0c16485d1d41..1ebce7a4bd59 100644
--- a/atom/renderer/lib/web-view.coffee
+++ b/atom/renderer/lib/web-view.coffee
@@ -98,6 +98,7 @@ class WebView
     @setupWebviewNodeProperties()
 
     @viewInstanceId = getNextId()
+    guestViewInternal.registerEvents this, @viewInstanceId
 
     shadowRoot.appendChild @browserPluginNode
 
@@ -515,10 +516,6 @@ registerWebViewElement = ->
     "executeJavaScript"
     "insertCSS"
     "send"
-    # "getZoom"
-    # "print"
-    # "setZoom"
-    # "terminate"
   ]
 
   # Forward proto.foo* method calls to WebView.foo*.