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cefpython/src/handlers/lifespan_handler.pyx at cefpython57 · pythonthings/cefpython · GitHub
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handlers
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lifespan_handler.pyx
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handlers
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lifespan_handler.pyx
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#
Copyright (c) 2012 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
"
#
noinspection PyUnresolvedReferences
from
cef_types cimport WindowOpenDisposition
#
noinspection PyUnresolvedReferences
cimport cef_types
#
WindowOpenDisposition
WOD_UNKNOWN
=
cef_types.WOD_UNKNOWN
WOD_CURRENT_TAB
=
cef_types.WOD_CURRENT_TAB
WOD_SINGLETON_TAB
=
cef_types.WOD_SINGLETON_TAB
WOD_NEW_FOREGROUND_TAB
=
cef_types.WOD_NEW_FOREGROUND_TAB
WOD_NEW_BACKGROUND_TAB
=
cef_types.WOD_NEW_BACKGROUND_TAB
WOD_NEW_POPUP
=
cef_types.WOD_NEW_POPUP
WOD_NEW_WINDOW
=
cef_types.WOD_NEW_WINDOW
WOD_SAVE_TO_DISK
=
cef_types.WOD_SAVE_TO_DISK
WOD_OFF_THE_RECORD
=
cef_types.WOD_OFF_THE_RECORD
WOD_IGNORE_ACTION
=
cef_types.WOD_IGNORE_ACTION
cdef public cpp_bool LifespanHandler_OnBeforePopup(
CefRefPtr[CefBrowser] cefBrowser,
CefRefPtr[CefFrame] cefFrame,
const CefString
&
targetUrl,
const CefString
&
targetFrameName,
cef_types.cef_window_open_disposition_t targetDisposition,
cpp_bool userGesture,
const
int
popupFeaturesNotImpl,
CefWindowInfo
&
windowInfo,
CefRefPtr[CefClient]
&
client,
CefBrowserSettings
&
settings,
cpp_bool
*
noJavascriptAccess
)
except
*
with
gil:
#
Empty place-holders: popupFeatures, client.
cdef PyBrowser pyBrowser
cdef PyFrame pyFrame,
cdef py_string pyTargetUrl
cdef py_string pyTargetFrameName
cdef
list
pyNoJavascriptAccess
#
out bool pyNoJavascriptAccess[0]
cdef
list
pyWindowInfo
cdef
list
pyBrowserSettings
cdef
object
callback
cdef py_bool returnValue
try
:
pyBrowser
=
GetPyBrowser(cefBrowser,
"
OnBeforePopup
"
)
pyFrame
=
GetPyFrame(cefFrame)
pyTargetUrl
=
CefToPyString(targetUrl)
pyTargetFrameName
=
CefToPyString(targetFrameName)
pyNoJavascriptAccess
=
[noJavascriptAccess[
0
]]
pyWindowInfo
=
[]
pyBrowserSettings
=
[]
callback
=
pyBrowser.GetClientCallback(
"
OnBeforePopup
"
)
if
callback:
returnValue
=
bool
(callback(
browser
=
pyBrowser,
frame
=
pyFrame,
target_url
=
pyTargetUrl,
target_frame_name
=
pyTargetFrameName,
target_disposition
=
targetDisposition,
user_gesture
=
userGesture,
popup_features
=
None
,
window_info_out
=
pyWindowInfo,
client
=
None
,
browser_settings_out
=
pyBrowserSettings,
no_javascript_access_out
=
pyNoJavascriptAccess))
noJavascriptAccess[
0
]
=
<
cpp_bool
>
bool
(pyNoJavascriptAccess[
0
])
if
len
(pyBrowserSettings):
SetBrowserSettings(pyBrowserSettings[
0
],
&
settings)
if
len
(pyWindowInfo):
SetCefWindowInfo(windowInfo, pyWindowInfo[
0
])
return
bool
(returnValue)
return
False
except
:
(exc_type, exc_value, exc_trace)
=
sys.exc_info()
sys.excepthook(exc_type, exc_value, exc_trace)
cdef public
void
LifespanHandler_OnAfterCreated(
CefRefPtr[CefBrowser] cefBrowser
)
except
*
with
gil:
cdef PyBrowser pyBrowser
try
:
pyBrowser
=
GetPyBrowser(cefBrowser,
"
OnAfterCreated
"
)
callback
=
GetGlobalClientCallback(
"
OnAfterCreated
"
)
if
callback:
callback(
browser
=
pyBrowser)
except
:
(exc_type, exc_value, exc_trace)
=
sys.exc_info()
sys.excepthook(exc_type, exc_value, exc_trace)
cdef public cpp_bool LifespanHandler_DoClose(
CefRefPtr[CefBrowser] cefBrowser
)
except
*
with
gil:
cdef PyBrowser pyBrowser
try
:
pyBrowser
=
GetPyBrowser(cefBrowser,
"
DoClose
"
)
callback
=
pyBrowser.GetClientCallback(
"
DoClose
"
)
if
callback:
return
bool
(callback(
browser
=
pyBrowser))
return
False
except
:
(exc_type, exc_value, exc_trace)
=
sys.exc_info()
sys.excepthook(exc_type, exc_value, exc_trace)
cdef public
void
LifespanHandler_OnBeforeClose(
CefRefPtr[CefBrowser] cefBrowser
)
except
*
with
gil:
cdef PyBrowser pyBrowser
cdef
object
callback
try
:
Debug(
"
LifespanHandler_OnBeforeClose
"
)
#
NOTE: browser_id may not necessarily be in g_pyBrowsers currently.
#
I haven't yet debugged it but the logic in Shutdown that
#
tries to force close browsers and removes references might
#
have something to do with it. Such scenario is reproducible
#
with the following steps:
#
1. Run wxpython.py example
#
2. Google "js alert" and open w3schools
#
3. Open demo popup
#
4. Close main window (not popup)
pyBrowser
=
GetPyBrowser(cefBrowser,
"
OnBeforeClose
"
)
callback
=
pyBrowser.GetClientCallback(
"
OnBeforeClose
"
)
if
callback:
callback(
browser
=
pyBrowser)
RemovePythonCallbacksForBrowser(pyBrowser.GetIdentifier())
RemovePyFramesForBrowser(pyBrowser.GetIdentifier())
RemovePyBrowser(pyBrowser.GetIdentifier())
if
g_MessageLoop_called
and
not
len
(g_pyBrowsers):
#
Automatically quit message loop when last browser was closed.
#
This is required for hello_world.py example to work.
QuitMessageLoop()
except
:
(exc_type, exc_value, exc_trace)
=
sys.exc_info()
sys.excepthook(exc_type, exc_value, exc_trace)
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