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More powerpoint exception catching. Added an error message. Also auto minimize of Powerpoint 2013

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This commit is contained in:
Tomas Groth 2014-06-17 23:31:04 +02:00
parent 90adc1acca
commit 6928018f59
1 changed files with 67 additions and 21 deletions
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62
openlp/plugins/presentations/lib/powerpointcontroller.py
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@ -37,6 +37,7 @@ if os.name == u'nt':
import pywintypes
from presentationcontroller import PresentationController, PresentationDocument
from openlp.core.lib.ui import UiStrings, critical_error_message_box
log = logging.getLogger(__name__)
@ -129,6 +130,9 @@ class PowerpointDocument(PresentationDocument):
self.controller.start_process()
self.controller.process.Presentations.Open(self.filepath, False,
False, True)
# Powerpoint 2013 pops up when loading a file, so we minimize it again
if self.presentation.Application.Version == u'15.0':
self.presentation.ActiveWindow.WindowState = 2
except pywintypes.com_error:
log.debug(u'PPT open failed')
return False
@ -187,7 +191,6 @@ class PowerpointDocument(PresentationDocument):
return False
return True
def is_active(self):
"""
Returns ``True`` if a presentation is currently active.
@ -209,6 +212,7 @@ class PowerpointDocument(PresentationDocument):
Unblanks (restores) the presentation.
"""
log.debug(u'unblank_screen')
try:
self.presentation.SlideShowSettings.Run()
self.presentation.SlideShowWindow.View.State = 1
self.presentation.SlideShowWindow.Activate()
@ -219,13 +223,22 @@ class PowerpointDocument(PresentationDocument):
self.presentation.SlideShowWindow.View.GotoSlide(slide)
if click:
self.presentation.SlideShowWindow.View.GotoClick(click)
except pywintypes.com_error:
log.error(u'COM error while in unblank_screen')
log.error(e)
self.show_error_msg()
def blank_screen(self):
"""
Blanks the screen.
"""
log.debug(u'blank_screen')
try:
self.presentation.SlideShowWindow.View.State = 3
except pywintypes.com_error:
log.error(u'COM error while in blank_screen')
log.error(e)
self.show_error_msg()
def is_blank(self):
"""
@ -233,7 +246,12 @@ class PowerpointDocument(PresentationDocument):
"""
log.debug(u'is_blank')
if self.is_active():
try:
return self.presentation.SlideShowWindow.View.State == 3
except pywintypes.com_error:
log.error(u'COM error while in blank_screen')
log.error(e)
return False
else:
return False
@ -242,7 +260,11 @@ class PowerpointDocument(PresentationDocument):
Stops the current presentation and hides the output.
"""
log.debug(u'stop_presentation')
try:
self.presentation.SlideShowWindow.View.Exit()
except pywintypes.com_error:
log.error(u'COM error while in stop_presentation')
log.error(e)
if os.name == u'nt':
def start_presentation(self):
@ -268,7 +290,9 @@ class PowerpointDocument(PresentationDocument):
ppt_window.Height = rect.height() * 72 / dpi
ppt_window.Left = rect.x() * 72 / dpi
ppt_window.Width = rect.width() * 72 / dpi
# Powerpoint 2013 pops up when starting a file, so we minimize it again
if self.presentation.Application.Version == u'15.0':
self.presentation.ActiveWindow.WindowState = 2
def get_slide_number(self):
"""
@ -279,7 +303,9 @@ class PowerpointDocument(PresentationDocument):
ret = self.presentation.SlideShowWindow.View.CurrentShowPosition
except pywintypes.com_error:
ret = 0
log.error('COM error while in get_slide_number')
log.error(u'COM error while in get_slide_number')
log.error(e)
self.show_error_msg()
return ret
def get_slide_count(self):
@ -291,7 +317,9 @@ class PowerpointDocument(PresentationDocument):
ret = self.presentation.Slides.Count
except pywintypes.com_error:
ret = 0
log.error('COM error while in get_slide_count')
log.error(u'COM error while in get_slide_count')
log.error(e)
self.show_error_msg()
return ret
def goto_slide(self, slideno):
@ -302,7 +330,9 @@ class PowerpointDocument(PresentationDocument):
try:
self.presentation.SlideShowWindow.View.GotoSlide(slideno)
except pywintypes.com_error:
log.error('COM error while in goto_slide')
log.error(u'COM error while in goto_slide')
log.error(e)
self.show_error_msg()
def next_step(self):
"""
@ -312,7 +342,10 @@ class PowerpointDocument(PresentationDocument):
try:
self.presentation.SlideShowWindow.View.Next()
except pywintypes.com_error:
log.error('COM error while in next_step')
log.error(u'COM error while in next_step')
log.error(e)
self.show_error_msg()
return
if self.get_slide_number() > self.get_slide_count():
self.previous_step()
@ -323,8 +356,10 @@ class PowerpointDocument(PresentationDocument):
log.debug(u'previous_step')
try:
self.presentation.SlideShowWindow.View.Previous()
except pywintypes.com_error:
log.error('COM error while in previous_step')
except pywintypes.com_error as e:
log.error(u'COM error while in previous_step')
log.error(e)
self.show_error_msg()
def get_slide_text(self, slide_no):
"""
@ -345,6 +380,17 @@ class PowerpointDocument(PresentationDocument):
return _get_text_from_shapes(
self.presentation.Slides(slide_no).NotesPage.Shapes)
def show_error_msg(self):
"""
Close presentation and display an error message.
"""
self.stop_presentation()
self.close_presentation()
critical_error_message_box(UiStrings().Error, translate('PresentationPlugin.PowerpointDocument',
'An error occurred in the Powerpoint integration '
'and the presentation will be closed. '
'Reload the presentation if you wish to present it.'))
def _get_text_from_shapes(shapes):
"""
Returns any text extracted from the shapes on a presentation slide.