Made the alpha animators work on only one object.
[embrace.git] / bin / embrace
index 8feccd3aff578921273392d1b24a95de89dbe492..fa6f5534fe6abdd438800d5661409b70950844fa 100755 (executable)
@@ -81,11 +81,21 @@ module Embrace
        # an animator that runs for the specified number of seconds,
        # and yields values between 0 and 255
        class AlphaAnimator < ZeroToOneAnimator
-               def initialize(duration, *objects)
+               def initialize(duration, object)
                        super(duration) do |v|
-                               objects.each { |o| o.alpha = (255 * v).to_i }
+                               object.alpha = compute_alpha(v)
                        end
                end
+
+               def compute_alpha(v)
+                       (255 * v).to_i
+               end
+       end
+
+       class InverseAlphaAnimator < AlphaAnimator
+               def compute_alpha(v)
+                       super((1.0 - v).abs)
+               end
        end
 
        class MoveAnimator < ZeroToOneAnimator
@@ -105,11 +115,23 @@ module Embrace
        end
 
        class MailboxIcon < Evas::Smart
+               class FadeOutFinishedEvent < Ecore::Event
+                       attr_reader :icon
+
+                       def initialize(icon)
+                               super()
+
+                               @icon = icon
+                       end
+               end
+
                attr_accessor :slot
 
                def initialize(evas, label)
                        super(evas)
 
+                       self.name = label
+
                        @slot = nil
                        @alpha_anim = nil
 
@@ -119,38 +141,47 @@ module Embrace
                        @objects = [@img, @label]
                        @objects.each { |o| add_member(o) }
 
+                       set_color(255, 255, 255, 0)
                        @img.set_color(255, 255, 255, 0)
                        @label.set_color(255, 0, 0, 0)
 
                        @img.set_file(ICON_FILE)
                        @img.set_fill(0, 0, *@img.get_size)
 
-                       @label.text = label
+                       @label.text = name
                        @label.set_font("VeraBd", 10)
 
                        resize(*@img.get_size)
                end
 
-               def label
-                       @label.text
+               def fade_in
+                       show
+
+                       @alpha_anim ||= AlphaAnimator.new(2, self)
+                       @alpha_anim.on_finished { @alpha_anim = nil }
+               end
+
+               def fade_out
+                       @alpha_anim ||= InverseAlphaAnimator.new(2, self)
+                       @alpha_anim.on_finished do
+                               @alpha_anim = nil
+                               FadeOutFinishedEvent.raise(self)
+                       end
                end
 
                # smart callbacks
-               def on_show
+               def smart_show
                        @objects.each { |o| o.show }
-
-                       @alpha_anim ||= AlphaAnimator.new(2, @img, @label)
-                       @alpha_anim.on_finished { @alpha_anim = nil }
                end
 
-               def on_hide
+               def smart_hide
                        @objects.each { |o| o.hide }
 
                        @alpha_anim && @alpha_anim.delete
                        @alpha_anim = nil
                end
 
-               def on_delete
+               def smart_delete
                        @objects.each { |o| o.delete }
                        @objects.clear
 
@@ -159,15 +190,19 @@ module Embrace
                        @img = @label = @alpha_anim = nil
                end
 
-               def on_move(x, y)
+               def smart_move(x, y)
                        @objects.each { |o| o.move(x, y) }
 
                        @label.center(self)
                end
 
-               def on_resize(w, h)
+               def smart_resize(w, h)
                        @img.resize(w, h)
                end
+
+               def smart_color_set(r, g, b, a)
+                       @objects.each { |o| o.alpha = a }
+               end
        end
 
        class Container < Evas::Smart
@@ -175,13 +210,11 @@ module Embrace
                class ContainerFullError < ContainerError; end
                class ContainerLockedError < ContainerError; end
 
-               include Enumerable
-
                def initialize(evas)
                        super
 
                        @bg = Evas::Rectangle.new(evas)
-                       @bg.set_color(0, 0, 0, 255)
+                       @bg.set_color(0, 0, 0, 8)
 
                        add_member(@bg)
 
@@ -190,10 +223,19 @@ module Embrace
 
                        @about_to_add = 0
                        @add_lock_count = 0
+
+                       @handlers = [
+                               Ecore::EventHandler.new(MailboxIcon::FadeOutFinishedEvent,
+                                                       &method(:on_icon_fade_out_finished))
+                       ]
+               end
+
+               def can_add?
+                       !slots_left.zero? && @add_lock_count.zero?
                end
 
-               def each
-                       @icons.compact.each { |i| yield i }
+               def can_delete?
+                       @about_to_add.zero? && @add_lock_count.zero?
                end
 
                def <<(i)
@@ -203,7 +245,7 @@ module Embrace
                        i.move_relative(self, 0, 0)
                        i.slot = next_slot
                        i.clip = self
-                       i.show
+                       i.fade_in
 
                        # check whether we need to need to move this icon
                        if slots_left == 1
@@ -235,17 +277,25 @@ module Embrace
 
                def delete_at(i)
                        Kernel.raise(ContainerLockedError) unless @about_to_add.zero?
+                       Kernel.raise(ContainerLockedError) unless @add_lock_count.zero?
 
-                       # icons that are placed above the one that's deleted need
-                       # to be moved
-                       ar = @icons[(i + 1)..-1]
+                       @add_lock_count += 1
+                       @icons[i].fade_out
+               end
 
-                       @icons[i].delete
+               def on_icon_fade_out_finished(ev)
+                       i = @icons.index(ev.icon)
+                       ev.icon.delete
                        @icons.delete_at(i)
 
-                       return if ar.empty?
+                       # icons that are placed above the one that's deleted need
+                       # to be moved. check whether are there any first
+                       if i == @icons.length
+                               @add_lock_count -= 1
+                               return
+                       end
 
-                       @add_lock_count += 1
+                       ar = @icons[i..-1]
 
                        @animators << MoveAnimator.new(2, Main.instance.icon_height, *ar)
                        @animators.last.on_finished do |ani|
@@ -255,24 +305,24 @@ module Embrace
                end
 
                # smart callbacks
-               def on_show
+               def smart_show
                        @bg.show
                end
 
-               def on_hide
+               def smart_hide
                        @bg.hide
                end
 
-               def on_delete
+               def smart_delete
                        @bg.delete
                        @bg = nil
                end
 
-               def on_move(x, y)
+               def smart_move(x, y)
                        @bg.move(x, y)
                end
 
-               def on_resize(w, h)
+               def smart_resize(w, h)
                        @bg.resize(w, h)
                end
 
@@ -294,6 +344,7 @@ module Embrace
                def initialize
                        super
 
+                       self.has_alpha = true
                        self.title = "Embrace"
                        self.borderless = true
 
@@ -337,10 +388,6 @@ module Embrace
                end
 
                private
-               def add_icon(name)
-                       @container << MailboxIcon.new(evas, name)
-               end
-
                def on_timer
                        return unless @server.nil?
 
@@ -357,24 +404,12 @@ module Embrace
                                lbl = md.captures.first
                        end
 
-                       found = @container.find { |i| i.label == lbl }
-
-                       begin
-                               if ev.count.zero?
-                                       unless found.nil?
-                                               #puts "removing icon #{lbl}"
-                                               @container.delete(found)
-                                       else
-                                               #puts "count == 0, but icon not found (#{lbl})"
-                                       end
-                               elsif found.nil?
-                                       #puts "adding icon #{lbl}"
-                                       add_icon(lbl)
-                               else
-                                       #puts "count > 0, but already there (#{lbl})"
-                               end
-                       rescue Exception => e
-                               puts e.message
+                       found = evas.find_object(lbl)
+
+                       if ev.count.zero? && !found.nil? && @container.can_delete?
+                               @container.delete(found)
+                       elsif !ev.count.zero? && found.nil? && @container.can_add?
+                               @container << MailboxIcon.new(evas, lbl)
                        end
 
                        false