iframe-proxy | Sunbelt Computer Software

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# Copyright (c) 2012-2014 The CEF Python authors. All rights reserved.
# License: New BSD License.
# Website: http://code.google.com/p/cefpython/
cdef public void V8FunctionHandler_Execute(
        CefRefPtr[CefBrowser] cefBrowser,
        CefRefPtr[CefFrame] cefFrame,
        CefString& cefFunctionName,
        CefRefPtr[CefListValue] cefFunctionArguments
        ) except * with gil:
    cdef PyBrowser pyBrowser
    cdef PyFrame pyFrame
    cdef py_string functionName
    cdef object function
    cdef list functionArguments
    cdef object returnValue
    cdef py_string jsErrorMessage
        pyBrowser = GetPyBrowser(cefBrowser)
        pyFrame = GetPyFrame(cefFrame)
        functionName = CefToPyString(cefFunctionName)
        Debug("V8FunctionHandler_Execute(): functionName=%s" % functionName)
        jsBindings = pyBrowser.GetJavascriptBindings()
        function = jsBindings.GetFunctionOrMethod(functionName)
        if not function:
            # The Renderer process already checks whether function
            # name is valid before calling V8FunctionHandler_Execute(),
            # but it is possible for the javascript bindings to change
            # during execution, so it's possible for the Browser/Renderer
            # bindings to be out of sync due to delay in process messaging.
            jsErrorMessage = "V8FunctionHandler_Execute() FAILED: " \
                    "python function not found: %s" % functionName
            Debug(jsErrorMessage)
            # Raise a javascript exception in that frame.
            pyFrame.ExecuteJavascript("throw '%s';" % jsErrorMessage)
            return
        functionArguments = CefListValueToPyList(cefBrowser, 
                cefFunctionArguments)
        returnValue = function(*functionArguments)
        if returnValue != None:
            Debug("V8FunctionHandler_Execute() WARNING: function returned" \
                    "value, but returning values to javascript is not " \
                    "supported, functionName=%s" % functionName)
    except:
        (exc_type, exc_value, exc_trace) = sys.exc_info()
        sys.excepthook(exc_type, exc_value, exc_trace)

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