Removing broken landscape code
[watersofshiloah] / src / presenter.py
index 20359af..1a23a52 100644 (file)
@@ -1,5 +1,6 @@
 import logging
 
+import gobject
 import pango
 import cairo
 import gtk
@@ -10,68 +11,38 @@ import util.misc as misc_utils
 _moduleLogger = logging.getLogger(__name__)
 
 
-class StreamPresenter(object):
+class NavigationBox(gobject.GObject):
 
-       MINIMUM_MOVEMENT = 20
+       __gsignals__ = {
+               'action' : (
+                       gobject.SIGNAL_RUN_LAST,
+                       gobject.TYPE_NONE,
+                       (gobject.TYPE_STRING, ),
+               ),
+               'navigating' : (
+                       gobject.SIGNAL_RUN_LAST,
+                       gobject.TYPE_NONE,
+                       (gobject.TYPE_STRING, ),
+               ),
+       }
 
-       BUTTON_STATE_PLAY = "play"
-       BUTTON_STATE_PAUSE = "pause"
-       BUTTON_STATE_NEXT = "next"
-       BUTTON_STATE_BACK = "back"
-       BUTTON_STATE_UP = "up"
-       BUTTON_STATE_CANCEL = "cancel"
+       MINIMUM_MOVEMENT = 32
 
        _NO_POSITION = -1, -1
 
-       _STATE_TO_IMAGE = {
-               BUTTON_STATE_PLAY: "play.png",
-               BUTTON_STATE_PAUSE: "pause.png",
-               BUTTON_STATE_NEXT: "next.png",
-               BUTTON_STATE_BACK: "prev.png",
-       }
-
-       def __init__(self, player, store):
-               self._store = store
-
-               self._player = player
-               self._player.connect("state-change", self._on_player_state_change)
-               self._player.connect("navigate-change", self._on_player_nav_change)
-               self._player.connect("title-change", self._on_player_title_change)
-
-               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("leave_notify_event", self._on_leave_notify)
-               #self._imageEvents.connect("proximity_in_event", self._on_motion_notify)
-               #self._imageEvents.connect("proximity_out_event", self._on_leave_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)
+       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._canNavigate = True
                self._clickPosition = self._NO_POSITION
-               self._potentialButtonState = self.BUTTON_STATE_PLAY
-               self._currentButtonState = self.BUTTON_STATE_PLAY
-
-               imagePath = self._store.STORE_LOOKUP[self._player.background]
-               self._backgroundImage = self._store.get_surface_from_store(imagePath)
-               imagePath = self._STATE_TO_IMAGE[self._currentButtonState]
-               self._buttonImage = self._store.get_surface_from_store(imagePath)
-
-               if self._isPortrait:
-                       backWidth = self._backgroundImage.get_width()
-                       backHeight = self._backgroundImage.get_height()
-               else:
-                       backHeight = self._backgroundImage.get_width()
-                       backWidth = self._backgroundImage.get_height()
-               self._image.set_size_request(backWidth, backHeight)
 
        @property
        def toplevel(self):
-               return self._imageEvents
+               return self._eventBox
 
        def set_orientation(self, orientation):
                if orientation == gtk.ORIENTATION_VERTICAL:
@@ -81,114 +52,50 @@ class StreamPresenter(object):
                else:
                        raise NotImplementedError(orientation)
 
-               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._currentButtonState)
+       def is_active(self):
+               return self._clickPosition != self._NO_POSITION
 
-       @misc_utils.log_exception(_moduleLogger)
-       def _on_player_state_change(self, player, newState):
-               if newState == "play":
-                       newState = self.BUTTON_STATE_PLAY
-               elif newState == "pause":
-                       newState = self.BUTTON_STATE_PAUSE
-               elif newState == "stop":
-                       newState = self.BUTTON_STATE_PAUSE
-               else:
-                       newState = self._currentButtonState
-
-               if newState != self._currentButtonState:
-                       self._currentButtonState = newState
-                       if self._clickPosition == self._NO_POSITION:
-                               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._currentButtonState)
-
-       @misc_utils.log_exception(_moduleLogger)
-       def _on_player_nav_change(self, player, newState):
-               canNavigate = self._player.can_navigate
-               newPotState = self._potentialButtonState
-               if self._canNavigate != canNavigate:
-                       self._canNavigate = canNavigate
-                       if self._potentialButtonState in (self.BUTTON_STATE_NEXT, self.BUTTON_STATE_BACK):
-                               if self._currentButtonState == self.BUTTON_STATE_PLAY:
-                                       newPotState = self.BUTTON_STATE_PAUSE
-                               else:
-                                       newPotState = self.BUTTON_STATE_PLAY
-
-               if newPotState != self._potentialButtonState:
-                       self._potentialButtonState = newPotState
-                       if self._clickPosition == self._NO_POSITION:
-                               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 get_state(self, newCoord):
+               if self._clickPosition == self._NO_POSITION:
+                       return ""
 
-       @misc_utils.log_exception(_moduleLogger)
-       def _on_player_title_change(self, player, newState):
-               if self._isPortrait:
-                       backWidth = self._backgroundImage.get_width()
-                       backHeight = self._backgroundImage.get_height()
-               else:
-                       backHeight = self._backgroundImage.get_width()
-                       backWidth = self._backgroundImage.get_height()
-               self._image.set_size_request(backWidth, backHeight)
+               delta = (
+                       newCoord[0] - self._clickPosition[0],
+                       - (newCoord[1] - self._clickPosition[1])
+               )
+               absDelta = (abs(delta[0]), abs(delta[1]))
+               if max(*absDelta) < self.MINIMUM_MOVEMENT:
+                       return "clicking"
 
-               imagePath = self._store.STORE_LOOKUP[self._player.background]
-               self._backgroundImage = self._store.get_surface_from_store(imagePath)
-               if self._clickPosition == self._NO_POSITION:
-                       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._currentButtonState)
+               if absDelta[0] < absDelta[1]:
+                       if 0 < delta[1]:
+                               return "up"
+                       else:
+                               return "down"
                else:
-                       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)
+                       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()
-               if self._currentButtonState == self.BUTTON_STATE_PLAY:
-                       newState = self.BUTTON_STATE_PAUSE
-               else:
-                       newState = self.BUTTON_STATE_PLAY
-               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)
+
+               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()
-                       newState = self._calculate_state(mousePosition)
-                       if newState == self.BUTTON_STATE_PLAY:
-                               self._player.play()
-                       elif newState == self.BUTTON_STATE_PAUSE:
-                               self._player.pause()
-                       elif newState == self.BUTTON_STATE_NEXT:
-                               self._player.next()
-                       elif newState == self.BUTTON_STATE_BACK:
-                               self._player.back()
-                       elif newState == self.BUTTON_STATE_UP:
-                               raise NotImplementedError("Drag-down not implemented yet")
-                       elif newState == self.BUTTON_STATE_CANCEL:
-                               pass
+                       state = self.get_state(mousePosition)
+                       assert state
                finally:
-                       if self._player.state == "play":
-                               newState = self.BUTTON_STATE_PLAY
-                       else:
-                               newState = self.BUTTON_STATE_PAUSE
-                       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)
                        self._clickPosition = self._NO_POSITION
+               self.emit("action", state)
 
        @misc_utils.log_exception(_moduleLogger)
        def _on_motion_notify(self, widget, event):
@@ -196,58 +103,73 @@ class StreamPresenter(object):
                        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
+               newState = self.get_state(mousePosition)
+               self.emit("navigating", newState)
 
-               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:
-                       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
+gobject.type_register(NavigationBox)
+
+
+class StreamPresenter(object):
+
+       def __init__(self, store):
+               self._store = store
+
+               self._image = gtk.DrawingArea()
+               self._image.connect("expose_event", self._on_expose)
+
+               self._isPortrait = True
+
+               self._backgroundImage = None
+               self._title = ""
+               self._subtitle = ""
+               self._buttonImage = None
+               self._imageName = ""
+               self._dims = 0, 0
+
+       @property
+       def toplevel(self):
+               return self._image
+
+       def set_orientation(self, orientation):
+               if orientation == gtk.ORIENTATION_VERTICAL:
+                       self._isPortrait = True
+               elif orientation == gtk.ORIENTATION_HORIZONTAL:
+                       self._isPortrait = False
                else:
-                       if 0 < delta[0]:
-                               return self.BUTTON_STATE_BACK
-                       else:
-                               return self.BUTTON_STATE_NEXT
+                       raise NotImplementedError(orientation)
+
+               self._image.queue_draw()
+
+       def set_state(self, stateImage):
+               if stateImage == self._imageName:
+                       return
+               self._imageName = stateImage
+               self._buttonImage = self._store.get_surface_from_store(stateImage)
+
+               self._image.queue_draw()
+
+       def set_context(self, backgroundImage, title, subtitle):
+               self._backgroundImage = self._store.get_surface_from_store(backgroundImage)
+               self._title = title
+               self._subtitle = subtitle
+
+               backWidth = self._backgroundImage.get_width()
+               backHeight = self._backgroundImage.get_height()
+               self._image.set_size_request(backWidth, backHeight)
+
+               self._image.queue_draw()
 
        @misc_utils.log_exception(_moduleLogger)
        def _on_expose(self, widget, event):
-               self._potentialButtonState = self._player.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._player.state)
+               self._draw_presenter(cairoContext)
 
-       def _draw_presenter(self, cairoContext, state):
-               assert state in (self._currentButtonState, self._potentialButtonState)
+       def _draw_presenter(self, cairoContext):
+               rect = self._image.get_allocation()
+               self._dims = rect.width, rect.height
 
                # Blank things
-               rect = self._image.get_allocation()
                cairoContext.rectangle(
                        0,
                        0,
@@ -256,49 +178,82 @@ class StreamPresenter(object):
                )
                cairoContext.set_source_rgb(0, 0, 0)
                cairoContext.fill()
-               cairoContext.paint()
 
                # Draw Background
-               cairoContext.set_source_surface(
-                       self._backgroundImage,
-                       0,
-                       0,
-               )
-               cairoContext.paint()
+               if self._backgroundImage is not None:
+                       cairoContext.set_source_surface(
+                               self._backgroundImage,
+                               0,
+                               0,
+                       )
+                       cairoContext.paint()
 
-               # title
-               if self._player.title:
-                       _moduleLogger.info("Displaying text")
-                       backWidth = self._backgroundImage.get_width()
-                       backHeight = self._backgroundImage.get_height()
+               pangoContext = self._image.create_pango_context()
 
-                       pangoContext = self._image.create_pango_context()
-                       textLayout = pango.Layout(pangoContext)
-                       textLayout.set_markup(self._player.title)
+               titleLayout = pango.Layout(pangoContext)
+               titleLayout.set_markup(self._subtitle)
+               textWidth, textHeight = titleLayout.get_pixel_size()
+               subtitleTextX = self._dims[0] / 2 - textWidth / 2
+               subtitleTextY = self._dims[1] - textHeight - self._buttonImage.get_height() + 10
 
-                       textWidth, textHeight = textLayout.get_pixel_size()
-                       textX = backWidth / 2 - textWidth / 2
-                       textY = backHeight - textHeight - self._buttonImage.get_height()
+               subtitleLayout = pango.Layout(pangoContext)
+               subtitleLayout.set_markup(self._title)
+               textWidth, textHeight = subtitleLayout.get_pixel_size()
+               textX = self._dims[0] / 2 - textWidth / 2
+               textY = subtitleTextY - textHeight
 
-                       cairoContext.move_to(textX, textY)
-                       cairoContext.set_source_rgb(0, 0, 0)
-                       cairoContext.show_layout(textLayout)
+               startContent = 30, textY - 5
+               endContent = self._dims[0] - 30,  self._dims[1] - 5
 
-               self._draw_state(cairoContext, state)
+               # Control background
+               cairoContext.rectangle(
+                       startContent[0],
+                       startContent[1],
+                       endContent[0] - startContent[0],
+                       endContent[1] - startContent[1],
+               )
+               cairoContext.set_source_rgba(0.9, 0.9, 0.9, 0.75)
+               cairoContext.fill()
 
-       def _draw_state(self, cairoContext, state):
-               assert state in (self._currentButtonState, self._potentialButtonState)
-               if state == self.BUTTON_STATE_CANCEL:
-                       state = self._currentButtonState
+               # title
+               if self._title or self._subtitle:
+                       cairoContext.move_to(subtitleTextX, subtitleTextY)
+                       cairoContext.set_source_rgb(0, 0, 0)
+                       cairoContext.show_layout(titleLayout)
 
-               backWidth = self._backgroundImage.get_width()
-               backHeight = self._backgroundImage.get_height()
+                       cairoContext.move_to(textX, textY)
+                       cairoContext.set_source_rgb(0, 0, 0)
+                       cairoContext.show_layout(subtitleLayout)
 
-               imagePath = self._STATE_TO_IMAGE[state]
-               self._buttonImage = self._store.get_surface_from_store(imagePath)
+               self._draw_state(cairoContext)
+
+       def _draw_state(self, cairoContext):
+               if self._backgroundImage is None or self._buttonImage is None:
+                       return
                cairoContext.set_source_surface(
                        self._buttonImage,
-                       backWidth / 2 - self._buttonImage.get_width() / 2,
-                       backHeight - self._buttonImage.get_height() + 5,
+                       self._dims[0] / 2 - self._buttonImage.get_width() / 2,
+                       self._dims[1] - self._buttonImage.get_height() + 5,
                )
                cairoContext.paint()
+
+
+class StreamMiniPresenter(object):
+
+       def __init__(self, store):
+               self._store = store
+
+               self._button = gtk.Image()
+
+       @property
+       def toplevel(self):
+               return self._button
+
+       def set_orientation(self, orientation):
+               pass
+
+       def set_state(self, stateImage):
+               self._store.set_image_from_store(self._button, stateImage)
+
+       def set_context(self, backgroundImage, title, subtitle):
+               pass