cefpython/src/javascript_callback.pyx at cefpython57 · pythonthings/cefpython · GitHub

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# 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

cefpython/src/javascript_callback.pyx at cefpython57 · pythonthings/cefpython · GitHub

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