import logging
+import gobject
import pango
import cairo
import gtk
_moduleLogger = logging.getLogger(__name__)
-class StreamPresenter(object):
+class NavigationBox(gobject.GObject):
+
+ __gsignals__ = {
+ 'action' : (
+ gobject.SIGNAL_RUN_LAST,
+ gobject.TYPE_NONE,
+ (gobject.TYPE_STRING, ),
+ ),
+ 'navigating' : (
+ gobject.SIGNAL_RUN_LAST,
+ gobject.TYPE_NONE,
+ (gobject.TYPE_STRING, ),
+ ),
+ }
MINIMUM_MOVEMENT = 20
+ _NO_POSITION = -1, -1
+
+ def __init__(self):
+ gobject.GObject.__init__(self)
+ self._eventBox = gtk.EventBox()
+ self._eventBox.connect("button_press_event", self._on_button_press)
+ self._eventBox.connect("button_release_event", self._on_button_release)
+ self._eventBox.connect("motion_notify_event", self._on_motion_notify)
+
+ self._isPortrait = True
+ self._clickPosition = self._NO_POSITION
+
+ @property
+ def toplevel(self):
+ return self._eventBox
+
+ def set_orientation(self, orientation):
+ if orientation == gtk.ORIENTATION_VERTICAL:
+ self._isPortrait = True
+ elif orientation == gtk.ORIENTATION_HORIZONTAL:
+ self._isPortrait = False
+ else:
+ raise NotImplementedError(orientation)
+
+ def is_active(self):
+ return self._clickPosition != self._NO_POSITION
+
+ def get_state(self, newCoord):
+ if self._clickPosition == self._NO_POSITION:
+ return ""
+
+ if self._isPortrait:
+ delta = (
+ newCoord[0] - self._clickPosition[0],
+ - (newCoord[1] - self._clickPosition[1])
+ )
+ else:
+ delta = (
+ newCoord[1] - self._clickPosition[1],
+ - (newCoord[0] - self._clickPosition[0])
+ )
+ absDelta = (abs(delta[0]), abs(delta[1]))
+ if max(*absDelta) < self.MINIMUM_MOVEMENT:
+ return "clicking"
+
+ if absDelta[0] < absDelta[1]:
+ if 0 < delta[1]:
+ return "up"
+ else:
+ return "down"
+ else:
+ if 0 < delta[0]:
+ return "right"
+ else:
+ return "left"
+
+ @misc_utils.log_exception(_moduleLogger)
+ def _on_button_press(self, widget, event):
+ if self._clickPosition != self._NO_POSITION:
+ _moduleLogger.debug("Ignoring double click")
+ self._clickPosition = event.get_coords()
+
+ self.emit("navigating", "clicking")
+
+ @misc_utils.log_exception(_moduleLogger)
+ def _on_button_release(self, widget, event):
+ assert self._clickPosition != self._NO_POSITION
+ try:
+ mousePosition = event.get_coords()
+ state = self.get_state(mousePosition)
+ assert state
+ self.emit("action", state)
+ finally:
+ self._clickPosition = self._NO_POSITION
+
+ @misc_utils.log_exception(_moduleLogger)
+ def _on_motion_notify(self, widget, event):
+ if self._clickPosition == self._NO_POSITION:
+ return
+
+ mousePosition = event.get_coords()
+ newState = self.get_state(mousePosition)
+ self.emit("navigating", newState)
+
+
+gobject.type_register(NavigationBox)
+
+
+class StreamPresenter(object):
+
BUTTON_STATE_PLAY = "play"
BUTTON_STATE_PAUSE = "pause"
BUTTON_STATE_NEXT = "next"
BUTTON_STATE_UP = "up"
BUTTON_STATE_CANCEL = "cancel"
- _NO_POSITION = -1, -1
-
_STATE_TO_IMAGE = {
BUTTON_STATE_PLAY: "play.png",
BUTTON_STATE_PAUSE: "pause.png",
self._image = gtk.DrawingArea()
self._image.connect("expose_event", self._on_expose)
- self._imageEvents = gtk.EventBox()
- self._imageEvents.connect("motion_notify_event", self._on_motion_notify)
- self._imageEvents.connect("button_press_event", self._on_button_press)
- self._imageEvents.connect("button_release_event", self._on_button_release)
- self._imageEvents.add(self._image)
+ self._imageNav = NavigationBox()
+ self._imageNav.toplevel.add(self._image)
+ self._imageNav.connect("navigating", self._on_navigating)
+ self._imageNav.connect("action", self._on_nav_action)
self._isPortrait = True
self._canNavigate = True
- self._clickPosition = self._NO_POSITION
self._potentialButtonState = self.BUTTON_STATE_PLAY
self._currentButtonState = self.BUTTON_STATE_PLAY
@property
def toplevel(self):
- return self._imageEvents
+ return self._imageNav.toplevel
def set_orientation(self, orientation):
+ self._imageNav.set_orientation(orientation)
+
if orientation == gtk.ORIENTATION_VERTICAL:
self._isPortrait = True
elif orientation == gtk.ORIENTATION_HORIZONTAL:
if newState != self._currentButtonState:
self._currentButtonState = newState
- if self._clickPosition == self._NO_POSITION:
+ if not self._imageNav.is_active():
cairoContext = self._image.window.cairo_create()
if not self._isPortrait:
cairoContext.transform(cairo.Matrix(0, 1, 1, 0, 0, 0))
if newPotState != self._potentialButtonState:
self._potentialButtonState = newPotState
- if self._clickPosition == self._NO_POSITION:
+ if not self._imageNav.is_active():
cairoContext = self._image.window.cairo_create()
if not self._isPortrait:
cairoContext.transform(cairo.Matrix(0, 1, 1, 0, 0, 0))
imagePath = self._store.STORE_LOOKUP[self._player.background]
self._backgroundImage = self._store.get_surface_from_store(imagePath)
- if self._clickPosition == self._NO_POSITION:
+ if not self._imageNav.get_state():
cairoContext = self._image.window.cairo_create()
if not self._isPortrait:
cairoContext.transform(cairo.Matrix(0, 1, 1, 0, 0, 0))
self._draw_presenter(cairoContext, self._potentialButtonState)
@misc_utils.log_exception(_moduleLogger)
- def _on_button_press(self, widget, event):
- self._clickPosition = event.get_coords()
- if self._currentButtonState == self.BUTTON_STATE_PLAY:
- newState = self.BUTTON_STATE_PAUSE
- else:
- newState = self.BUTTON_STATE_PLAY
- self._potentialButtonState = newState
+ def _on_navigating(self, widget, navState):
+ buttonState = self._translate_state(navState)
+ self._potentialButtonState = buttonState
cairoContext = self._image.window.cairo_create()
if not self._isPortrait:
cairoContext.transform(cairo.Matrix(0, 1, 1, 0, 0, 0))
self._draw_state(cairoContext, self._potentialButtonState)
@misc_utils.log_exception(_moduleLogger)
- def _on_button_release(self, widget, event):
+ def _on_nav_action(self, widget, navState):
try:
- mousePosition = event.get_coords()
- newState = self._calculate_state(mousePosition)
- if newState == self.BUTTON_STATE_PLAY:
+ buttonState = self._translate_state(navState)
+ if buttonState == self.BUTTON_STATE_PLAY:
self._player.play()
- elif newState == self.BUTTON_STATE_PAUSE:
+ elif buttonState == self.BUTTON_STATE_PAUSE:
self._player.pause()
- elif newState == self.BUTTON_STATE_NEXT:
+ elif buttonState == self.BUTTON_STATE_NEXT:
self._player.next()
- elif newState == self.BUTTON_STATE_BACK:
+ elif buttonState == self.BUTTON_STATE_BACK:
self._player.back()
- elif newState == self.BUTTON_STATE_UP:
+ elif buttonState == self.BUTTON_STATE_UP:
raise NotImplementedError("Drag-down not implemented yet")
- elif newState == self.BUTTON_STATE_CANCEL:
+ elif buttonState == self.BUTTON_STATE_CANCEL:
pass
finally:
if self._player.state == "play":
- newState = self.BUTTON_STATE_PLAY
+ buttonState = self.BUTTON_STATE_PLAY
else:
- newState = self.BUTTON_STATE_PAUSE
- self._potentialButtonState = newState
+ buttonState = self.BUTTON_STATE_PAUSE
+ self._potentialButtonState = buttonState
cairoContext = self._image.window.cairo_create()
if not self._isPortrait:
cairoContext.transform(cairo.Matrix(0, 1, 1, 0, 0, 0))
self._draw_state(cairoContext, self._potentialButtonState)
- self._clickPosition = self._NO_POSITION
- @misc_utils.log_exception(_moduleLogger)
- def _on_motion_notify(self, widget, event):
- if self._clickPosition == self._NO_POSITION:
- return
-
- mousePosition = event.get_coords()
- newState = self._calculate_state(mousePosition)
- if newState != self._potentialButtonState:
- self._potentialButtonState = newState
- cairoContext = self._image.window.cairo_create()
- if not self._isPortrait:
- cairoContext.transform(cairo.Matrix(0, 1, 1, 0, 0, 0))
- self._draw_state(cairoContext, self._potentialButtonState)
-
- def _calculate_state(self, newCoord):
- assert self._clickPosition != self._NO_POSITION
-
- if self._isPortrait:
- delta = (
- newCoord[0] - self._clickPosition[0],
- - (newCoord[1] - self._clickPosition[1])
- )
- else:
- delta = (
- newCoord[1] - self._clickPosition[1],
- - (newCoord[0] - self._clickPosition[0])
- )
- absDelta = (abs(delta[0]), abs(delta[1]))
- if max(*absDelta) < self.MINIMUM_MOVEMENT or not self._canNavigate:
+ def _translate_state(self, navState):
+ if navState == "clicking" or not self._canNavigate:
if self._currentButtonState == self.BUTTON_STATE_PLAY:
return self.BUTTON_STATE_PAUSE
else:
return self.BUTTON_STATE_PLAY
-
- if absDelta[0] < absDelta[1]:
- if 0 < delta[1]:
- return self.BUTTON_STATE_CANCEL
- else:
- return self.BUTTON_STATE_UP
- else:
- if 0 < delta[0]:
- return self.BUTTON_STATE_BACK
- else:
- return self.BUTTON_STATE_NEXT
+ elif navState == "down":
+ return self.BUTTON_STATE_UP
+ elif navState == "up":
+ return self.BUTTON_STATE_CANCEL
+ elif navState == "left":
+ return self.BUTTON_STATE_NEXT
+ elif navState == "right":
+ return self.BUTTON_STATE_BACK
@misc_utils.log_exception(_moduleLogger)
def _on_expose(self, widget, event):
projects / watersofshiloah / blobdiff