browser: handle flash context menu

atom/browser/api/lib/web-contents.coffee

@@ -1,4 +1,5 @@
 EventEmitter = require('events').EventEmitter
+Menu = require './menu'
 NavigationController = require './navigation-controller'
 binding = process.atomBinding 'web_contents'
 ipc = require 'ipc'
@@ -34,6 +35,36 @@ PDFPageSize =
     width_microns: 279400
     custom_display_name: "Tabloid"
 
+clickHandler = (action) ->
+  @_executeContextMenuCommand action
+
+convertToMenuTemplate = (items, handler) ->
+  template = []
+  for item in items
+    do (item) ->
+      transformed =
+        if item.type is 'submenu'
+          type: 'submenu'
+          label: item.label
+          enabled: item.enabled
+          submenu: convertToMenuTemplate item.subItems, handler
+        else if item.type is 'separator'
+          type: 'separator'
+        else if item.type is 'checkbox'
+          type: 'checkbox'
+          label: item.label
+          enabled: item.enabled
+          checked: item.checked
+        else
+          type: 'normal'
+          label: item.label
+          enabled: item.enabled
+      if item.id?
+        transformed.click = ->
+          handler item.id
+      template.push transformed
+  template
+
 wrapWebContents = (webContents) ->
   # webContents is an EventEmitter.
   webContents.__proto__ = EventEmitter.prototype
@@ -65,6 +96,16 @@ wrapWebContents = (webContents) ->
     Object.defineProperty event, 'returnValue', set: (value) -> event.sendReply JSON.stringify(value)
     ipc.emit channel, event, args...
 
+  # Handle context menu action request from renderer widget.
+  webContents.on '-context-menu', (event, params) ->
+    if params.isPepperMenu
+      template = convertToMenuTemplate(params.menuItems, clickHandler.bind(webContents))
+      menu = Menu.buildFromTemplate template
+      # The menu is expected to show asynchronously.
+      setImmediate ->
+        menu.popup params.x, params.y
+        webContents._notifyContextMenuClosed()
+
   webContents.printToPDF = (options, callback) ->
     printingSetting =
       pageRage: []