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render_handler.pyx
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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/
include
"
cefpython.pyx
"
cimport cef_types
#
cef_paint_element_type_t, PaintElementType
PET_VIEW
=
cef_types.PET_VIEW
PET_POPUP
=
cef_types.PET_POPUP
cdef public cpp_bool RenderHandler_GetRootScreenRect(
CefRefPtr[CefBrowser] cefBrowser,
CefRect
&
cefRect
)
except
*
with
gil:
cdef PyBrowser pyBrowser
cdef
list
pyRect
=
[]
cdef py_bool ret
try
:
pyBrowser
=
GetPyBrowser(cefBrowser)
callback
=
pyBrowser.GetClientCallback(
"
GetRootScreenRect
"
)
if
callback:
ret
=
callback(pyBrowser, pyRect)
if
ret:
assert
(pyRect
and
len
(pyRect)
==
4
),
"
rectangle not provided
"
cefRect.x
=
pyRect[
0
]
cefRect.y
=
pyRect[
1
]
cefRect.width
=
pyRect[
2
]
cefRect.height
=
pyRect[
3
]
return
True
else
:
return
False
else
:
return
False
except
:
(exc_type, exc_value, exc_trace)
=
sys.exc_info()
sys.excepthook(exc_type, exc_value, exc_trace)
cdef public cpp_bool RenderHandler_GetViewRect(
CefRefPtr[CefBrowser] cefBrowser,
CefRect
&
cefRect
)
except
*
with
gil:
cdef PyBrowser pyBrowser
cdef
list
pyRect
=
[]
cdef py_bool ret
try
:
pyBrowser
=
GetPyBrowser(cefBrowser)
callback
=
pyBrowser.GetClientCallback(
"
GetViewRect
"
)
if
callback:
ret
=
callback(pyBrowser, pyRect)
if
ret:
assert
(pyRect
and
len
(pyRect)
==
4
),
"
rectangle not provided
"
cefRect.x
=
pyRect[
0
]
cefRect.y
=
pyRect[
1
]
cefRect.width
=
pyRect[
2
]
cefRect.height
=
pyRect[
3
]
return
True
else
:
return
False
else
:
return
False
except
:
(exc_type, exc_value, exc_trace)
=
sys.exc_info()
sys.excepthook(exc_type, exc_value, exc_trace)
cdef public cpp_bool RenderHandler_GetScreenRect(
CefRefPtr[CefBrowser] cefBrowser,
CefRect
&
cefRect
)
except
*
with
gil:
cdef PyBrowser pyBrowser
cdef
list
pyRect
=
[]
cdef py_bool ret
try
:
pyBrowser
=
GetPyBrowser(cefBrowser)
callback
=
pyBrowser.GetClientCallback(
"
GetScreenRect
"
)
if
callback:
ret
=
callback(pyBrowser, pyRect)
if
ret:
assert
(pyRect
and
len
(pyRect)
==
4
), (
"
rectangle not provided or invalid
"
)
cefRect.x
=
pyRect[
0
]
cefRect.y
=
pyRect[
1
]
cefRect.width
=
pyRect[
2
]
cefRect.height
=
pyRect[
3
]
return
True
else
:
return
False
else
:
return
False
except
:
(exc_type, exc_value, exc_trace)
=
sys.exc_info()
sys.excepthook(exc_type, exc_value, exc_trace)
cdef public cpp_bool RenderHandler_GetScreenPoint(
CefRefPtr[CefBrowser] cefBrowser,
int
viewX,
int
viewY,
int
&
screenX,
int
&
screenY
)
except
*
with
gil:
cdef PyBrowser pyBrowser
cdef
list
screenCoordinates
=
[]
cdef py_bool ret
try
:
pyBrowser
=
GetPyBrowser(cefBrowser)
callback
=
pyBrowser.GetClientCallback(
"
GetScreenPoint
"
)
if
callback:
ret
=
callback(pyBrowser, viewX, viewY, screenCoordinates)
if
ret:
assert
(screenCoordinates
and
len
(screenCoordinates)
==
2
), (
"
screenCoordinates not provided or invalid
"
)
(
&
screenX)[
0
]
=
int
(screenCoordinates[
0
])
(
&
screenY)[
0
]
=
int
(screenCoordinates[
1
])
return
True
else
:
return
False
else
:
return
False
except
:
(exc_type, exc_value, exc_trace)
=
sys.exc_info()
sys.excepthook(exc_type, exc_value, exc_trace)
cdef public cpp_bool RenderHandler_GetScreenInfo(
CefRefPtr[CefBrowser] cefBrowser,
CefScreenInfo
&
cefScreenInfo
)
except
*
with
gil:
#
Not yet implemented.
return
False
cdef public
void
RenderHandler_OnPopupShow(
CefRefPtr[CefBrowser] cefBrowser,
cpp_bool show
)
except
*
with
gil:
cdef PyBrowser pyBrowser
try
:
pyBrowser
=
GetPyBrowser(cefBrowser)
callback
=
pyBrowser.GetClientCallback(
"
OnPopupShow
"
)
if
callback:
callback(pyBrowser, show)
except
:
(exc_type, exc_value, exc_trace)
=
sys.exc_info()
sys.excepthook(exc_type, exc_value, exc_trace)
cdef public
void
RenderHandler_OnPopupSize(
CefRefPtr[CefBrowser] cefBrowser,
const CefRect
&
cefRect
)
except
*
with
gil:
cdef PyBrowser pyBrowser
cdef
list
pyRect
try
:
pyBrowser
=
GetPyBrowser(cefBrowser)
callback
=
pyBrowser.GetClientCallback(
"
OnPopupSize
"
)
if
callback:
pyRect
=
[cefRect.x, cefRect.y, cefRect.width, cefRect.height]
callback(pyBrowser, pyRect)
except
:
(exc_type, exc_value, exc_trace)
=
sys.exc_info()
sys.excepthook(exc_type, exc_value, exc_trace)
cdef public
void
RenderHandler_OnPaint(
CefRefPtr[CefBrowser] cefBrowser,
cef_types.cef_paint_element_type_t paintElementType,
cpp_vector[CefRect]
&
cefDirtyRects,
const
void
*
cefBuffer,
int
width,
int
height
)
except
*
with
gil:
cdef PyBrowser pyBrowser
cdef
list
pyDirtyRects
=
[]
cdef
list
pyRect
#
TODO: cefDirtyRects should be const, but const_iterator is
#
not yet implemented in libcpp.vector.
cdef cpp_vector[CefRect].iterator iterator
cdef CefRect cefRect
cdef PaintBuffer paintBuffer
try
:
pyBrowser
=
GetPyBrowser(cefBrowser)
iterator
=
cefDirtyRects.begin()
while
iterator !
=
cefDirtyRects.end():
cefRect
=
deref(iterator)
pyRect
=
[cefRect.x, cefRect.y, cefRect.width, cefRect.height]
pyDirtyRects.append(pyRect)
preinc(iterator)
#
In CEF 1 width and height were fetched using GetSize(),
#
but in CEF 3 they are passed as arguments to OnPaint().
#
OFF: | (width, height) = pyBrowser.GetSize(paintElementType)
paintBuffer
=
CreatePaintBuffer(cefBuffer, width, height)
callback
=
pyBrowser.GetClientCallback(
"
OnPaint
"
)
if
callback:
callback(pyBrowser, paintElementType, pyDirtyRects, paintBuffer,
width, height)
else
:
return
except
:
(exc_type, exc_value, exc_trace)
=
sys.exc_info()
sys.excepthook(exc_type, exc_value, exc_trace)
cdef public
void
RenderHandler_OnCursorChange(
CefRefPtr[CefBrowser] cefBrowser,
CefCursorHandle cursor
)
except
*
with
gil:
cdef PyBrowser pyBrowser
try
:
pyBrowser
=
GetPyBrowser(cefBrowser)
callback
=
pyBrowser.GetClientCallback(
"
OnCursorChange
"
)
if
callback:
callback(pyBrowser,
<
uintptr_t
>
cursor)
except
:
(exc_type, exc_value, exc_trace)
=
sys.exc_info()
sys.excepthook(exc_type, exc_value, exc_trace)
cdef public
void
RenderHandler_OnScrollOffsetChanged(
CefRefPtr[CefBrowser] cefBrowser
)
except
*
with
gil:
cdef PyBrowser pyBrowser
try
:
pyBrowser
=
GetPyBrowser(cefBrowser)
callback
=
pyBrowser.GetClientCallback(
"
OnScrollOffsetChanged
"
)
if
callback:
callback(pyBrowser)
except
:
(exc_type, exc_value, exc_trace)
=
sys.exc_info()
sys.excepthook(exc_type, exc_value, exc_trace)
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