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Fix blanking between ppt and songs 

Fix stutter when timed powerpoint starts

bzr-revno: 1466
This commit is contained in:
Jonathan Corwin 2011-04-15 21:38:47 +01:00
parent 84fdb9bb0a 4a74230c6d
commit 78b3b04afa
6 changed files with 133 additions and 85 deletions
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20
openlp/core/lib/htmlbuilder.py
View File

@ -307,7 +307,7 @@ sup {
</head>
<body>
<img id="bgimage" class="size" %s />
<img id="image" class="size" style="display:none" />
<img id="image" class="size" %s />
<video id="video1" class="size" style="visibility:hidden" autobuffer preload>
</video>
<video id="video2" class="size" style="visibility:hidden" autobuffer preload>
@ -320,7 +320,7 @@ sup {
</html>
"""
def build_html(item, screen, alert, islive, background):
def build_html(item, screen, alert, islive, background, image=None):
"""
Build the full web paged structure for display
@ -332,6 +332,10 @@ def build_html(item, screen, alert, islive, background):
Alert display display information
`islive`
Item is going live, rather than preview/theme building
`background`
Theme background image - bytes
`image`
Image media item - bytes
"""
width = screen[u'size'].width()
height = screen[u'size'].height()
@ -339,11 +343,15 @@ def build_html(item, screen, alert, islive, background):
webkitvers = webkit_version()
# Image generated and poked in
if background:
image = u'src="data:image/png;base64,%s"' % background
bgimage_src = u'src="data:image/png;base64,%s"' % background
elif item.bg_image_bytes:
image = u'src="data:image/png;base64,%s"' % item.bg_image_bytes
bgimage_src = u'src="data:image/png;base64,%s"' % item.bg_image_bytes
else:
image = u'style="display:none;"'
bgimage_src = u'style="display:none;"'
if image:
image_src = u'src="data:image/png;base64,%s"' % image
else:
image_src = u'style="display:none;"'
html = HTMLSRC % (build_background_css(item, width, height),
width, height,
build_alert_css(alert, width),
@ -351,7 +359,7 @@ def build_html(item, screen, alert, islive, background):
build_lyrics_css(item, webkitvers),
u'true' if theme and theme.display_slide_transition and islive \
else u'false',
image,
bgimage_src, image_src,
build_lyrics_html(item, webkitvers))
return html

8
openlp/core/ui/maindisplay.py
View File

@ -453,7 +453,7 @@ class MainDisplay(DisplayWidget):
painter.end()
return preview
def buildHtml(self, serviceItem):
def buildHtml(self, serviceItem, image=None):
"""
Store the serviceItem and build the new HTML from it. Add the
HTML to the display
@ -480,8 +480,12 @@ class MainDisplay(DisplayWidget):
if self.serviceItem.themedata.background_filename:
self.serviceItem.bg_image_bytes = self.imageManager. \
get_image_bytes(self.serviceItem.themedata.theme_name)
if image:
image_bytes = self.imageManager.get_image_bytes(image)
else:
image_bytes = None
html = build_html(self.serviceItem, self.screen, self.alertTab,
self.isLive, background)
self.isLive, background, image_bytes)
log.debug(u'buildHtml - pre setHtml')
self.webView.setHtml(html)
log.debug(u'buildHtml - post setHtml')

140
openlp/core/ui/slidecontroller.py
View File

@ -365,14 +365,14 @@ class SlideController(QtGui.QWidget):
QtCore.SIGNAL(u'config_screen_changed'), self.screenSizeChanged)
def setPreviewHotkeys(self, parent=None):
self.previousItem.setObjectName(u'previousItemPreview')
self.previousItem.setObjectName(u'previousItemPreview')
self.nextItem.setObjectName(u'nextItemPreview')
action_list = ActionList.get_instance()
action_list.add_action(self.previousItem)
action_list.add_action(self.nextItem)
def setLiveHotkeys(self, parent=None):
self.previousItem.setObjectName(u'previousItemLive')
self.previousItem.setObjectName(u'previousItemLive')
self.nextItem.setObjectName(u'nextItemLive')
action_list = ActionList.get_instance()
action_list.add_category(
@ -465,7 +465,7 @@ class SlideController(QtGui.QWidget):
request = unicode(self.sender().text())
slideno = self.slideList[request]
self.__updatePreviewSelection(slideno)
self.onSlideSelected()
self.slideSelected()
def receiveSpinDelay(self, value):
"""
@ -561,7 +561,7 @@ class SlideController(QtGui.QWidget):
# If service item is the same as the current on only change slide
if item.__eq__(self.serviceItem):
self.__checkUpdateSelectedSlide(slideno)
self.onSlideSelected()
self.slideSelected()
return
self._processItem(item, slideno)
@ -572,24 +572,15 @@ class SlideController(QtGui.QWidget):
"""
log.debug(u'processManagerItem live = %s' % self.isLive)
self.onStopLoop()
# If old item was a command tell it to stop
if self.serviceItem:
if self.serviceItem.is_command():
Receiver.send_message(u'%s_stop' %
self.serviceItem.name.lower(), [serviceItem, self.isLive])
if self.serviceItem.is_media():
self.onMediaClose()
if self.isLive:
if serviceItem.is_capable(ItemCapabilities.ProvidesOwnDisplay):
self._forceUnblank()
blanked = self.blankScreen.isChecked()
else:
blanked = False
old_item = self.serviceItem
self.serviceItem = serviceItem
if old_item and self.isLive and old_item.is_capable(
ItemCapabilities.ProvidesOwnDisplay):
self._resetBlank()
Receiver.send_message(u'%s_start' % serviceItem.name.lower(),
[serviceItem, self.isLive, blanked, slideno])
[serviceItem, self.isLive, self.hideMode(), slideno])
self.slideList = {}
width = self.parent.controlSplitter.sizes()[self.split]
self.serviceItem = serviceItem
self.previewListWidget.clear()
self.previewListWidget.setRowCount(0)
self.previewListWidget.setColumnWidth(0, width)
@ -648,12 +639,25 @@ class SlideController(QtGui.QWidget):
self.previewListWidget.viewport().size().width())
self.__updatePreviewSelection(slideno)
self.enableToolBar(serviceItem)
# Pass to display for viewing
self.display.buildHtml(self.serviceItem)
# Pass to display for viewing.
# Postpone image build, we need to do this later to avoid the theme
# flashing on the screen
if not self.serviceItem.is_image():
self.display.buildHtml(self.serviceItem)
if serviceItem.is_media():
self.onMediaStart(serviceItem)
self.onSlideSelected()
self.slideSelected(True)
self.previewListWidget.setFocus()
if old_item:
# Close the old item after the new one is opened
# This avoids the service theme/desktop flashing on screen
# However opening a new item of the same type will automatically
# close the previous, so make sure we don't close the new one.
if old_item.is_command() and not serviceItem.is_command():
Receiver.send_message(u'%s_stop' %
old_item.name.lower(), [old_item, self.isLive])
if old_item.is_media() and not serviceItem.is_media():
self.onMediaClose()
Receiver.send_message(u'slidecontroller_%s_started' % self.typePrefix,
[serviceItem])
@ -700,7 +704,7 @@ class SlideController(QtGui.QWidget):
self.updatePreview()
else:
self.previewListWidget.selectRow(0)
self.onSlideSelected()
self.slideSelected()
def onSlideSelectedIndex(self, message):
"""
@ -715,7 +719,7 @@ class SlideController(QtGui.QWidget):
self.updatePreview()
else:
self.__checkUpdateSelectedSlide(index)
self.onSlideSelected()
self.slideSelected()
def mainDisplaySetBackground(self):
"""
@ -758,15 +762,13 @@ class SlideController(QtGui.QWidget):
self.themeScreen.setChecked(False)
self.desktopScreen.setChecked(False)
if checked:
Receiver.send_message(u'maindisplay_hide', HideMode.Blank)
QtCore.QSettings().setValue(
self.parent.generalSettingsSection + u'/screen blank',
QtCore.QVariant(u'blanked'))
else:
Receiver.send_message(u'maindisplay_show')
QtCore.QSettings().remove(
self.parent.generalSettingsSection + u'/screen blank')
self.blankPlugin(checked)
self.blankPlugin()
self.updatePreview()
def onThemeDisplay(self, checked=None):
@ -781,15 +783,13 @@ class SlideController(QtGui.QWidget):
self.themeScreen.setChecked(checked)
self.desktopScreen.setChecked(False)
if checked:
Receiver.send_message(u'maindisplay_hide', HideMode.Theme)
QtCore.QSettings().setValue(
self.parent.generalSettingsSection + u'/screen blank',
QtCore.QVariant(u'themed'))
else:
Receiver.send_message(u'maindisplay_show')
QtCore.QSettings().remove(
self.parent.generalSettingsSection + u'/screen blank')
self.blankPlugin(checked)
self.blankPlugin()
self.updatePreview()
def onHideDisplay(self, checked=None):
@ -804,28 +804,31 @@ class SlideController(QtGui.QWidget):
self.themeScreen.setChecked(False)
self.desktopScreen.setChecked(checked)
if checked:
Receiver.send_message(u'maindisplay_hide', HideMode.Screen)
QtCore.QSettings().setValue(
self.parent.generalSettingsSection + u'/screen blank',
QtCore.QVariant(u'hidden'))
else:
Receiver.send_message(u'maindisplay_show')
QtCore.QSettings().remove(
self.parent.generalSettingsSection + u'/screen blank')
self.hidePlugin(checked)
self.updatePreview()
def blankPlugin(self, blank):
def blankPlugin(self):
"""
Blank the display screen within a plugin if required.
Blank/Hide the display screen within a plugin if required.
"""
log.debug(u'blankPlugin %s ', blank)
hide_mode = self.hideMode()
log.debug(u'blankPlugin %s ', hide_mode)
if self.serviceItem is not None:
if blank:
if hide_mode:
if not self.serviceItem.is_command():
Receiver.send_message(u'maindisplay_hide', hide_mode)
Receiver.send_message(u'%s_blank'
% self.serviceItem.name.lower(),
[self.serviceItem, self.isLive])
[self.serviceItem, self.isLive, hide_mode])
else:
if not self.serviceItem.is_command():
Receiver.send_message(u'maindisplay_show')
Receiver.send_message(u'%s_unblank'
% self.serviceItem.name.lower(),
[self.serviceItem, self.isLive])
@ -837,15 +840,24 @@ class SlideController(QtGui.QWidget):
log.debug(u'hidePlugin %s ', hide)
if self.serviceItem is not None:
if hide:
Receiver.send_message(u'maindisplay_hide', HideMode.Screen)
Receiver.send_message(u'%s_hide'
% self.serviceItem.name.lower(),
[self.serviceItem, self.isLive])
else:
if not self.serviceItem.is_command():
Receiver.send_message(u'maindisplay_show')
Receiver.send_message(u'%s_unblank'
% self.serviceItem.name.lower(),
[self.serviceItem, self.isLive])
def onSlideSelected(self):
def onSlideSelected(self, start=False):
"""
Slide selected in controller
"""
self.slideSelected()
def slideSelected(self, start=False):
"""
Generate the preview when you click on a slide.
if this is the Live Controller also display on the screen
@ -854,7 +866,7 @@ class SlideController(QtGui.QWidget):
self.selectedRow = 0
if row > -1 and row < self.previewListWidget.rowCount():
if self.serviceItem.is_command():
if self.isLive:
if self.isLive and not start:
Receiver.send_message(
u'%s_slide' % self.serviceItem.name.lower(),
[self.serviceItem, self.isLive, row])
@ -864,7 +876,11 @@ class SlideController(QtGui.QWidget):
if self.serviceItem.is_text():
frame = self.display.text(toDisplay)
else:
frame = self.display.image(toDisplay)
if start:
self.display.buildHtml(self.serviceItem, toDisplay)
frame = self.display.preview()
else:
frame = self.display.image(toDisplay)
# reset the store used to display first image
self.serviceItem.bg_image_bytes = None
self.slidePreview.setPixmap(QtGui.QPixmap.fromImage(frame))
@ -930,7 +946,7 @@ class SlideController(QtGui.QWidget):
Receiver.send_message('servicemanager_next_item')
return
self.__checkUpdateSelectedSlide(row)
self.onSlideSelected()
self.slideSelected()
def onSlideSelectedPreviousNoloop(self):
self.onSlideSelectedPrevious(False)
@ -953,7 +969,7 @@ class SlideController(QtGui.QWidget):
else:
row = 0
self.__checkUpdateSelectedSlide(row)
self.onSlideSelected()
self.slideSelected()
def __checkUpdateSelectedSlide(self, row):
if row + 1 < self.previewListWidget.rowCount():
@ -974,7 +990,7 @@ class SlideController(QtGui.QWidget):
else:
self.previewListWidget.selectRow(
self.previewListWidget.rowCount() - 1)
self.onSlideSelected()
self.slideSelected()
def onStartLoop(self):
"""
@ -1106,20 +1122,32 @@ class SlideController(QtGui.QWidget):
self.slidePreview.clear()
self.slidePreview.show()
def _forceUnblank(self):
def _resetBlank(self):
"""
Used by command items which provide their own displays to reset the
screen hide attributes
"""
blank = None
if self.blankScreen.isChecked:
blank = self.blankScreen
if self.themeScreen.isChecked:
blank = self.themeScreen
if self.desktopScreen.isChecked:
blank = self.desktopScreen
if blank:
blank.setChecked(False)
self.hideMenu.setDefaultAction(blank)
QtCore.QSettings().remove(
self.parent.generalSettingsSection + u'/screen blank')
hide_mode = self.hideMode()
if hide_mode == HideMode.Blank:
self.onBlankDisplay(True)
elif hide_mode == HideMode.Theme:
self.onThemeDisplay(True)
elif hide_mode == HideMode.Screen:
self.onHideDisplay(True)
else:
self.hidePlugin(False)
def hideMode(self):
"""
Determine what the hide mode should be according to the blank button
"""
if not self.isLive:
return None
elif self.blankScreen.isChecked():
return HideMode.Blank
elif self.themeScreen.isChecked():
return HideMode.Theme
elif self.desktopScreen.isChecked():
return HideMode.Screen
else:
return None

1
openlp/plugins/bibles/lib/mediaitem.py
View File

@ -58,6 +58,7 @@ class BibleMediaItem(MediaManagerItem):
MediaManagerItem.__init__(self, parent, plugin, icon)
# Place to store the search results for both bibles.
self.settings = self.parent.settings_tab
self.quickPreviewAllowed = True
self.search_results = {}
self.second_search_results = {}
QtCore.QObject.connect(Receiver.get_receiver(),

38
openlp/plugins/presentations/lib/messagelistener.py
View File

@ -49,7 +49,7 @@ class Controller(object):
self.doc = None
log.info(u'%s controller loaded' % live)
def add_handler(self, controller, file, is_blank):
def add_handler(self, controller, file, hide_mode, slide_no):
"""
Add a handler, which is an instance of a presentation and
slidecontroller combination. If the slidecontroller has a display
@ -64,12 +64,21 @@ class Controller(object):
# Display error message to user
# Inform slidecontroller that the action failed?
return
self.doc.slidenumber = slide_no
if self.is_live:
self.doc.start_presentation()
if is_blank:
self.blank()
Receiver.send_message(u'maindisplay_hide', HideMode.Screen)
self.doc.slidenumber = 0
if hide_mode == HideMode.Screen:
Receiver.send_message(u'maindisplay_hide', HideMode.Screen)
self.stop()
elif hide_mode == HideMode.Theme:
self.blank(hide_mode)
elif hide_mode == HideMode.Blank:
self.blank(hide_mode)
else:
self.doc.start_presentation()
Receiver.send_message(u'maindisplay_hide', HideMode.Screen)
self.doc.slidenumber = 0
if slide_no > 1:
self.slide(slide_no)
def activate(self):
"""
@ -164,14 +173,10 @@ class Controller(object):
Based on the handler passed at startup triggers slide show to shut down
"""
log.debug(u'Live = %s, shutdown' % self.is_live)
if self.is_live:
Receiver.send_message(u'maindisplay_show')
self.doc.close_presentation()
self.doc = None
#self.doc.slidenumber = 0
#self.timer.stop()
def blank(self):
def blank(self, hide_mode):
"""
Instruct the controller to blank the presentation
"""
@ -182,6 +187,8 @@ class Controller(object):
return
if not self.doc.is_active():
return
if hide_mode == HideMode.Theme:
Receiver.send_message(u'maindisplay_hide', HideMode.Theme)
self.doc.blank_screen()
def stop(self):
@ -261,7 +268,7 @@ class MessageListener(object):
is_live = message[1]
item = message[0]
log.debug(u'Startup called with message %s' % message)
is_blank = message[2]
hide_mode = message[2]
file = os.path.join(item.get_frame_path(),
item.get_frame_title())
self.handler = item.title
@ -273,7 +280,8 @@ class MessageListener(object):
controller = self.live_handler
else:
controller = self.preview_handler
controller.add_handler(self.controllers[self.handler], file, is_blank)
controller.add_handler(self.controllers[self.handler], file, hide_mode,
message[3])
def slide(self, message):
"""
@ -333,7 +341,6 @@ class MessageListener(object):
"""
is_live = message[1]
if is_live:
Receiver.send_message(u'maindisplay_show')
self.live_handler.shutdown()
else:
self.preview_handler.shutdown()
@ -351,8 +358,9 @@ class MessageListener(object):
React to the message to blank the display
"""
is_live = message[1]
hide_mode = message[2]
if is_live:
self.live_handler.blank()
self.live_handler.blank(hide_mode)
def unblank(self, message):
"""

11
openlp/plugins/presentations/lib/powerpointcontroller.py
View File

@ -251,14 +251,13 @@ class PowerpointDocument(PresentationDocument):
win32ui.GetForegroundWindow().GetDC().GetDeviceCaps(88)
except win32ui.error:
dpi = 96
self.presentation.SlideShowSettings.Run()
self.presentation.SlideShowWindow.View.GotoSlide(1)
rendermanager = self.controller.plugin.renderManager
rect = rendermanager.screens.current[u'size']
self.presentation.SlideShowWindow.Top = rect.y() * 72 / dpi
self.presentation.SlideShowWindow.Height = rect.height() * 72 / dpi
self.presentation.SlideShowWindow.Left = rect.x() * 72 / dpi
self.presentation.SlideShowWindow.Width = rect.width() * 72 / dpi
ppt_window = self.presentation.SlideShowSettings.Run()
ppt_window.Top = rect.y() * 72 / dpi
ppt_window.Height = rect.height() * 72 / dpi
ppt_window.Left = rect.x() * 72 / dpi
ppt_window.Width = rect.width() * 72 / dpi
def get_slide_number(self):
"""