include "imports.pyx"

include "browser.pyx"

include "frame.pyx"

TID_UI = cef_types.TID_UI

TID_IO = cef_types.TID_IO

TID_FILE = cef_types.TID_FILE

def IsCurrentThread(threadID):

threadID = <int>int(threadID)

return CefCurrentlyOn(<CefThreadId>threadID)

def Debug(msg):

file.write(msg+"\n")

def IsWindowHandle(windowID):

IF UNAME_SYSNAME == "Windows":

return IsWindow(<HWND><int>windowID)

return False

def GetSystemError():

IF UNAME_SYSNAME == "Windows":

cdef DWORD errorCode = GetLastError()

return "Error Code = %d" % (errorCode)

return ""

cdef object GetPyBrowserByCefBrowser(CefRefPtr[CefBrowser] cefBrowser, ignoreError=False):

# This function is immediately called after frame or popup are created,

# as we implemented V8ContextHandler_OnContextCreated() which calls it,

# same for GetPyFrameByCefFrame(). This way PyBrowser() and PyFrame()

# are automatically being created.

global g_popupPyBrowsers

global g_pyBrowsers

global g_cefBrowsers

cdef int innerWindowID

IF CEF_VERSION == 1:

innerWindowID = <int>cefBrowser.get().GetWindowHandle()

ELIF CEF_VERSION == 3:

innerWindowID = <int>GetCefBrowserHost(cefBrowser).get().GetWindowHandle()

cdef int openerInnerWindowID # Popup is a separate window and separate browser, but we can get parent browser.

if innerWindowID in g_pyBrowsers:

return g_pyBrowsers[innerWindowID]

else:

# This might be a popup.

# This will also be called for the Developer Tools popup window!

IF CEF_VERSION == 1:

openerInnerWindowID = <int>cefBrowser.get().GetOpenerWindowHandle()

ELIF CEF_VERSION == 3:

openerInnerWindowID = <int>GetCefBrowserHost(cefBrowser).get().GetOpenerWindowHandle()

if openerInnerWindowID in g_pyBrowsers:

parentPyBrowser = g_pyBrowsers[openerInnerWindowID]

elif openerInnerWindowID in g_popupPyBrowsers:

parentPyBrowser = g_popupPyBrowsers[openerInnerWindowID]

else:

if len(g_pyBrowsers) == 0:

# No browser yet created, this function is probably called by some handler that

# gets executed before any browser is created.

return None

if ignoreError:

return False

raise Exception("Browser not found in g_pyBrowsers, searched by innerWindowID = %s" % innerWindowID)

# TODO: this currently is never cleaned up, implement LifespanHandler.DoClose() and clean g_cefBrowsers map.

g_cefBrowsers[innerWindowID] = cefBrowser

if not (innerWindowID in g_popupPyBrowsers):

# Inheriting clientHandlers and javascriptBindings works only for 1 level of nesting.

# handler[0] = whether to call for main frame

# handler[1] = whether to call by inner frames

# handler[2] = whether to call by popups

# Client handlers.

clientHandlers = parentPyBrowser.GetClientHandlers()

newHandlers = {}

for key in clientHandlers:

handler = clientHandlers[key]

if type(handler) == tuple and handler[2]:

newHandler = (handler[2], None, handler[2])

newHandlers[key] = newHandler

# Javascript bindings.

newBindings = None

javascriptBindings = parentPyBrowser.GetJavascriptBindings()

if javascriptBindings and javascriptBindings.GetBindToPopups():

newBindings = javascriptBindings

# Create new popup PyBrowser.

g_popupPyBrowsers[innerWindowID] = PyBrowser(-1, innerWindowID, newHandlers, newBindings)

return g_popupPyBrowsers[innerWindowID]

cdef object GetPyFrameByCefFrame(CefRefPtr[CefFrame] cefFrame):

global g_pyFrames

global g_cefFrames

cdef long long frameID # cef_types.int64

if <void*>cefFrame != NULL and cefFrame.get():

frameID = cefFrame.get().GetIdentifier()

g_cefFrames[frameID] = cefFrame

pyFrameID = long(frameID)

if pyFrameID in g_pyFrames:

return g_pyFrames[pyFrameID]

g_pyFrames[pyFrameID] = PyFrame(pyFrameID)

return g_pyFrames[pyFrameID]

else:

return None

IF CEF_VERSION == 1:

cdef object GetPyRequestByCefRequest(CefRefPtr[CefRequest] cefRequest):

# TODO: not yet implemented.

return None

cdef object GetPyStreamReaderByCefStreamReader(CefRefPtr[CefStreamReader] cefStreamReader):

# TODO: not yet implemented.

return None

cdef object GetPyContentFilterByCefContentFilter(CefRefPtr[CefContentFilter] cefContentFilter):

# TODO: not yet implemented.

return None

def CheckInnerWindowID(innerWindowID):

global g_cefBrowsers

# If an exception is raised in cdef function then there is no stack trace,

# that's why you should call this func before calling GetCefBrowserByWindowID(),

# if there is an error user will see backtrace in his application.

if not innerWindowID:

raise Exception("Browser was destroyed (innerWindowID empty)")

if g_cefBrowsers.find(<int>innerWindowID) == g_cefBrowsers.end():

raise Exception("Browser was destroyed (g_cefBrowsers.find() failed)")

if not g_cefBrowsers[<int>innerWindowID].get():

raise Exception("Browser was destroyed (CefRefPtr.get() failed)")

return innerWindowID

cdef CefRefPtr[CefBrowser] GetCefBrowserByInnerWindowID(innerWindowID) except *:

global g_cefBrowsers

# Map key exists: http://stackoverflow.com/questions/1939953/how-to-find-if-a-given-key-exists-in-a-c-stdmap

if not innerWindowID:

raise Exception("Browser was destroyed (innerWindowID empty)")

if g_cefBrowsers.find(<int>innerWindowID) == g_cefBrowsers.end():

raise Exception("Browser was destroyed (g_cefBrowsers.find() failed)")

if g_cefBrowsers[<int>innerWindowID].get():

return g_cefBrowsers[<int>innerWindowID]

else:

raise Exception("Browser was destroyed (CefRefPtr.get() failed)")

cdef CefRefPtr[CefBrowser] GetCefBrowserByTopWindowID(windowID, ignoreError=False) except *:

global g_browserInnerWindows

global g_cefBrowsers

if not windowID:

raise Exception("Browser was destroyed (windowID empty)")

if not (windowID in g_browserInnerWindows):

if ignoreError:

return <CefRefPtr[CefBrowser]>NULL

raise Exception("windowID not found in g_browserInnerWindows, windowID = %s" % windowID)

innerWindowID = g_browserInnerWindows[windowID]

if g_cefBrowsers.find(<int>innerWindowID) == g_cefBrowsers.end():

if ignoreError:

return <CefRefPtr[CefBrowser]>NULL

raise Exception("Browser was destroyed (g_cefBrowsers.find() failed)")

if g_cefBrowsers[<int>innerWindowID].get():

return g_cefBrowsers[<int>innerWindowID]

else:

if ignoreError:

return <CefRefPtr[CefBrowser]>NULL

raise Exception("Browser was destroyed (CefRefPtr.get() failed)")

def CheckFrameID(frameID):

global g_cefFrames

# If an exception is raised in cdef function then there is no stack trace,

# that's why you should call this func before calling GetCefFrameByFrameID(),

# if there is an error user will see backtrace in his application.

if not frameID:

raise Exception("Frame was destroyed (frameID empty)")

if g_cefFrames.find(<cef_types.int64>frameID) == g_cefFrames.end():

raise Exception("Frame was destroyed (g_cefFrames.find() failed)")

if not g_cefFrames[<cef_types.int64>frameID].get():

raise Exception("Frame was destroyed (CefRefPtr.get() failed)")

return frameID

cdef CefRefPtr[CefFrame] GetCefFrameByFrameID(frameID) except *:

global g_cefFrames

if not frameID:

raise Exception("Frame was destroyed (frameID empty)")

if g_cefFrames.find(<cef_types.int64>frameID) == g_cefFrames.end():

raise Exception("Frame was destroyed (g_cefFrames.find() failed)")

if g_cefFrames[<cef_types.int64>frameID].get():

return g_cefFrames[<cef_types.int64>frameID]

else:

raise Exception("Frame was destroyed (CefRefPtr.get() failed)")

cdef object CefStringToPyString(CefString& cefString):

# This & in "CefString& cefString" is very important, otherwise you get memory

# errors and windows exception. Pycharm suggests that "statement has no effect",

# but it is so wrong.

cdef wchar_t* wcharstr = <wchar_t*> cefString.c_str()

cdef int charstr_bytes = WideCharToMultiByte(CP_UTF8, 0, wcharstr, -1, NULL, 0, NULL, NULL)

# Debug("charstr_bytes: %s" % charstr_bytes)

# Fixing issue 7: http://code.google.com/p/cefpython/issues/detail?id=7

# Getting garbage data when CefString is empty string, use calloc instead of malloc.

# When CefString is an empty string, WideCharToMultiByte returns 0 bytes,

# it does not even include the NUL character, so that's why when we used

# malloc we got garbage data, because next call to WideCharToMultiByte

# did not copy any of the bytes, not even the NUL char. When string is not empty

# the first call to WideCharToMultiByte returns the bytes with NUL character being counted.

cdef char* charstr = <char*>calloc(charstr_bytes, sizeof(char))

cdef int copied_bytes = WideCharToMultiByte(CP_UTF8, 0, wcharstr, -1, charstr, charstr_bytes, NULL, NULL)

# Debug("copied_bytes: %s" % copied_bytes)

# "" is required to make a copy of char* otherwise you will get a pointer that will be freed on next line.

# Python 3 requires bytes from/to char*

if bytes == str:

pystring = "" + charstr # Python 2.7

else:

# In python 3 bytes and str are different types.

pystring = (b"" + charstr).decode("utf-8", "ignore") # Python 3

"""

free(charstr)

return pystring

cdef void PyStringToCefString(pyString, CefString& cefString) except *:

if bytes == str:

# Python 2.7

if type(pyString) == unicode:

pyString = pyString.encode(g_applicationSettings["unicode_to_bytes_encoding"])

else:

# Python 3 requires bytes before converting to char*

if type(pyString) != bytes:

pyString = pyString.encode("utf-8")

cdef c_string cString = pyString

cefString.FromString(cString)

# Or this way: cefString.FromASCII(<char*>pyString)

# But when using FromASCII() DCHECK fails for unicode strings:

# ERROR_REPORT:utf_string_conversions.cc(184)] Check failed: IsStringASCII(ascii).

cdef void PyStringToCefStringPtr(pyString, CefString* cefString) except *:

if bytes == str:

# Python 2.7

if type(pyString) == unicode:

pyString = pyString.encode(g_applicationSettings["unicode_to_bytes_encoding"])

cefString.FromASCII(<char*>pyString)

else:

# Python 3

# Python 3 requires bytes before converting to char*

if type(pyString) != bytes:

pyString = pyString.encode("utf-8")

cdef c_string cString = pyString

cefString.FromString(cString)

# Or this way: cefString.FromASCII(<char*>pyString)

# But when using FromASCII() DCHECK fails for unicode strings:

# ERROR_REPORT:utf_string_conversions.cc(184)] Check failed: IsStringASCII(ascii).