使用python在多窗口之间做桥接

usr/lib/python3/dist-packages/webengine/gtk3/_custom_window.py

@@ -8,15 +8,19 @@ from gi.repository import GObject, Gtk, Gdk, WebKit2, GLib, Gio, GdkPixbuf
 
 
 def create_same_window(origin, req):
+  WebEngine = type(origin)
   w, h = origin.window.get_size()
   win = Gtk.Window()
   win.set_default_size(w, h)
-  web = WebKit2.WebView.new_with_related_view(origin)
+
+  web = WebEngine(win, origin)
+  web.set_zoom_level(origin.get_zoom_level())
+  web.set_settings(origin.get_settings())
   web.load_request(req)
   
   win.add(web)
   win.show_all()
-  return web
+
 
 
 
@@ -47,11 +51,8 @@ def create_custom_window(origin, options):
 
   
 
-  web = WebEngine(win)
+
-  # web = WebEngine(win, origin)
+  web = WebEngine(win, origin)
-  # web = WebKit2.WebView.new_with_related_view(origin)
-  # web = WebEngine.new_with(win, origin)
-  # web.window = win
   web.set_root(origin.root, True)
   web.set_zoom_level(origin.get_zoom_level())
   web.set_settings(origin.get_settings())

usr/lib/python3/dist-packages/webengine/gtk3/_inject.py

@@ -13,6 +13,7 @@ from gi.repository import WebKit2
 class Inject:
   def __init__(self, webview, env = {}):
 
+    self.webview = webview
     self.manager = webview.get_user_content_manager()
         
     script_data = open(self.abspath('./inject.js'), 'r').read()

usr/lib/python3/dist-packages/webengine/gtk3/_webengine.py

@@ -75,12 +75,14 @@ class WebEngine(WebKit2.WebView):
 
   root = None
   window = None
+  opener = None
   custom_bridge = None
 
-  def __init__(self, win):
+  def __init__(self, win, opener = None):
 
     WebKit2.WebView.__init__(self)
 
+    self.opener = opener
     self.window = win
 
     if win.get_title() is None:
@@ -106,6 +108,8 @@ class WebEngine(WebKit2.WebView):
 
     self.connect('create', self.create_new_window)
 
+    # 允许前端 widnow.close() 关闭窗口
+    self.connect('close', lambda w: win.close())
 
 
 
@@ -182,7 +186,7 @@ class WebEngine(WebKit2.WebView):
       # 退出app
       case 'quit':
         self.window.close()
-        # self.emit('quit')
+        self.emit('quit')
 
       # 读取图片, 返回图片像素数据
       case 'image':
@@ -212,6 +216,16 @@ class WebEngine(WebKit2.WebView):
         elif params['action'] == 'remove':
           pass
 
+      case 'opener':
+        callback = 'opener_message'
+        output = params.get('data')
+        scripts = 'native.$emit("opener_message", ' + json.dumps(output) + ')'
+        if self.opener is None:
+          self.evaluate_javascript(scripts, -1)
+        else:
+          self.opener.evaluate_javascript(scripts, -1)
+        return
+
       case 'window':
         _error, output = self._window_setting(params)
 
@@ -399,6 +413,9 @@ class WebEngine(WebKit2.WebView):
       case 'create':
         self.new_window_by_custom(params.get('options'))
 
+      case 'close':
+        self.window.close()
+
       case 'fullscreen':
         self.window.fullscreen()
 

usr/lib/python3/dist-packages/webengine/gtk3/inject.js

@@ -45,6 +45,9 @@ const KEYS_MAP = {
   super: '<Super>'
 }
 
+const NO_CALLBACK = false
+const CALL_ONCE = true
+
 function defer() {
   let obj = {}
   obj.promise = new Promise((resolve, reject) => {
@@ -58,22 +61,23 @@ function rand(prefix = 'cb_') {
   return prefix + Math.random().toString().slice(2)
 }
 
-function handler(event, data = {}, once = true) {
+function handler(event, data = {}, need = CALL_ONCE) {
   let _ = defer()
   let callback
 
-  if (typeof once === 'boolean') {
+  if (need === NO_CALLBACK) {
+    _.resolve(true)
+  } else {
     callback = rand()
-    native[once ? '$once' : '$on'](callback, (err, res) => {
+    native.$once(callback, (err, res) => {
       if (err) {
         _.reject(err)
       } else {
         _.resolve(res)
       }
     })
-  } else {
-    _.resolve(true)
   }
+
   window.webkit.messageHandlers.app.postMessage({
     event,
     data,
@@ -188,11 +192,13 @@ class EventEmitter {
 
 window.native = new EventEmitter()
 
+native.$on('opener_message', data => window.postMessage(data))
+
 Object.assign(native, {
   env: '{{env}}',
 
   quit() {
-    return handler('quit', {}, null)
+    return handler('quit', {}, NO_CALLBACK)
   },
   fs: {
     access(filepath, mode = 'r') {
@@ -250,7 +256,7 @@ Object.assign(native, {
       return handler('clipboard', { action: 'wait_for_text' })
     },
     writeText(value) {
-      return handler('clipboard', { action: 'set_text', value }, null)
+      return handler('clipboard', { action: 'set_text', value }, NO_CALLBACK)
     },
     readImage() {
       return handler('clipboard', { action: 'wait_for_image' }).then(r =>
@@ -262,10 +268,10 @@ Object.assign(native, {
       if (typeof value === 'object') {
         value = value.toJSON()
       }
-      return handler('clipboard', { action: 'set_image', value }, null)
+      return handler('clipboard', { action: 'set_image', value }, NO_CALLBACK)
     },
     clear() {
-      return handler('clipboard', { action: 'clear' })
+      return handler('clipboard', { action: 'clear' }, NO_CALLBACK)
     }
   },
   screen: {
@@ -338,51 +344,74 @@ Object.assign(native, {
       return handler('tray', { action: 'set_status', value: status })
     }
   },
+  opener: {
+    //
+    postMessage(data = {}) {
+      return handler('opener', { action: 'postmessage', data }, NO_CALLBACK)
+    }
+  },
   window: {
     create(options = {}) {
       return handler('window', { action: 'create', options })
     },
+
+    close() {
+      return handler('window', { action: 'close' })
+    },
+
     isVisible() {
       return handler('window', { action: 'is_visible' })
     },
     toggleVisible() {
-      handler('window', { action: 'toggle_visible' }, null)
+      handler('window', { action: 'toggle_visible' }, NO_CALLBACK)
     },
     hide() {
-      handler('window', { action: 'hide' }, null)
+      handler('window', { action: 'hide' }, NO_CALLBACK)
     },
     show() {
-      handler('window', { action: 'show' }, null)
+      handler('window', { action: 'show' }, NO_CALLBACK)
     },
     fullscreen() {
-      handler('window', { action: 'fullscreen' }, null)
+      handler('window', { action: 'fullscreen' }, NO_CALLBACK)
     },
     unfullscreen() {
-      handler('window', { action: 'unfullscreen' }, null)
+      handler('window', { action: 'unfullscreen' }, NO_CALLBACK)
     },
     maximize() {
-      handler('window', { action: 'maximize' }, null)
+      handler('window', { action: 'maximize' }, NO_CALLBACK)
     },
     unmaximize() {
-      handler('window', { action: 'unmaximize' }, null)
+      handler('window', { action: 'unmaximize' }, NO_CALLBACK)
     },
     setTitle(title = '') {
-      handler('window', { action: 'set_title', value: title }, null)
+      handler('window', { action: 'set_title', value: title }, NO_CALLBACK)
     },
     resize(width = 0, height = 0) {
-      handler('window', { action: 'resize', value: { width, height } }, null)
+      handler(
+        'window',
+        { action: 'resize', value: { width, height } },
+        NO_CALLBACK
+      )
     },
     move(x = 0, y = 0) {
-      handler('window', { action: 'move', value: { x, y } }, null)
+      handler('window', { action: 'move', value: { x, y } }, NO_CALLBACK)
     },
     setOpacity(opacity = 1) {
-      handler('window', { action: 'set_opacity', value: opacity }, null)
+      handler('window', { action: 'set_opacity', value: opacity }, NO_CALLBACK)
     },
     alwayOnTop(setting = true) {
-      handler('window', { action: 'set_keep_above', value: setting }, null)
+      handler(
+        'window',
+        { action: 'set_keep_above', value: setting },
+        NO_CALLBACK
+      )
     },
     alwayOnBotttom(setting = true) {
-      handler('window', { action: 'set_keep_below', value: setting }, null)
+      handler(
+        'window',
+        { action: 'set_keep_below', value: setting },
+        NO_CALLBACK
+      )
     }
   },
   notify({ title, summary, icon, progress = 0, urgency = 0, callback }) {
@@ -394,7 +423,7 @@ Object.assign(native, {
     handler(
       'notify',
       { title, summary, icon, progress, urgency, callback: eventName },
-      null
+      NO_CALLBACK
     )
   },
 
@@ -404,13 +433,13 @@ Object.assign(native, {
 
   proxy: {
     disable() {
-      return handler('proxy', { action: 'disable' })
+      return handler('proxy', { action: 'disable' }, NO_CALLBACK)
     },
     system() {
-      return handler('proxy', { action: 'system' })
+      return handler('proxy', { action: 'system' }, NO_CALLBACK)
     },
     custom(url = '', ignore = null) {
-      return handler('proxy', { action: 'enable', url, ignore })
+      return handler('proxy', { action: 'enable', url, ignore }, NO_CALLBACK)
     }
   },