# Copyright (c) 2013 CEF Python, see the Authors file. # All rights reserved. Licensed under BSD 3-clause license. # Project website: https://github.com/cztomczak/cefpython include "cefpython.pyx" include "browser.pyx" cdef JavascriptCallback CreateJavascriptCallback(int callbackId, CefRefPtr[CefBrowser] cefBrowser, object frameId, py_string functionName): # frameId is int64 cdef JavascriptCallback jsCallback = JavascriptCallback() jsCallback.callbackId = callbackId cdef PyBrowser browser = GetPyBrowser(cefBrowser) jsCallback.frame = browser.GetFrameByIdentifier(frameId) jsCallback.functionName = functionName Debug("Created javascript callback, callbackId=%s, functionName=%s" % \ (callbackId, functionName)) return jsCallback cdef class JavascriptCallback: """A javascript callback object may still live while browser/frame are destroyed. Always check frame/browser for None value.""" cdef int callbackId cdef PyFrame frame cdef py_string functionName def Call(self, *args): # Send process message "ExecuteJavascriptCallback". if self.frame: browser = self.frame.GetBrowser() if browser: browser.SendProcessMessage( cef_types.PID_RENDERER, self.frame.GetIdentifier(), "ExecuteJavascriptCallback", [self.callbackId] + list(args)) else: # This code probably ain't needed raise Exception("JavascriptCallback.Call() FAILED: browser" " not found, callbackId = %s" % self.callbackId) else: # This code probably ain't needed raise Exception("JavascriptCallback.Call() FAILED: frame not found" ", callbackId = %s" % self.callbackId) def GetFunctionName(self): return self.functionName def GetName(self): """@deprecated.""" return self.GetFunctionName() def GetId(self): return self.callbackId def GetFrame(self): return self.frame