Added support for multiple nodes per transition

.travis.yml

@@ -20,8 +20,8 @@ jdk:
 #DEFOLD_AUTH=auth token
 env:
   global:
-    - secure: "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"
-    - DEFOLD_USER=bjorn.ritzl@king.com
+    - DEFOLD_AUTH=foobar
+    - DEFOLD_USER=bjorn.ritzl@gmail.com
     - DEFOLD_BOOSTRAP_COLLECTION=/test/test.collectionc
 
 script:

monarch/monarch.lua

@@ -72,7 +72,7 @@ local function cowait(delay)
 	local co = coroutine.running()
 	assert(co, "You must run this form within a coroutine")
 	timer.delay(delay, false, function()
-		coroutine.resume(co)
+		assert(coroutine.resume(co))
 	end)
 	coroutine.yield()
 end
@@ -466,6 +466,11 @@ local function show_in(screen, previous_screen, reload, add_to_stack, cb)
 		if reload and screen.loaded then
 			log("show_in() reloading", screen.id)
 			unload(screen, reload)
+			-- we need to wait here in case the unloaded screen contained any screens
+			-- if this is the case we need to let these sub-screens have their final()
+			-- functions called so that they have time to call unregister()
+			cowait(0)
+			cowait(0)
 		end
 		load(screen)
 		if add_to_stack then
@@ -573,13 +578,13 @@ function M.show(id, options, data, cb)
 
 	local co
 	co = coroutine.create(function()
+		local top = stack[#stack]
 		-- a screen can ignore the stack by setting the no_stack to true
 		local add_to_stack = not options or not options.no_stack
 		if add_to_stack then
 			-- manipulate the current top
 			-- close popup(s) if needed
 			-- transition out
-			local top = stack[#stack]
 			if top then
 				-- keep top popup visible if new screen can be shown on top of a popup
 				if top.popup and screen.popup_on_popup then
@@ -589,7 +594,7 @@ function M.show(id, options, data, cb)
 					while top.popup do
 						stack[#stack] = nil
 						show_out(top, screen, function()
-							coroutine.resume(co)
+							assert(coroutine.resume(co))
 						end)
 						coroutine.yield()
 						top = stack[#stack]
@@ -619,7 +624,7 @@ function M.show(id, options, data, cb)
 		-- screen that has Preload set to true
 		if M.is_preloading(id) then
 			M.when_preloaded(id, function()
-				coroutine.resume(co)
+				assert(coroutine.resume(co))
 			end)
 			coroutine.yield()
 		end
@@ -627,7 +632,7 @@ function M.show(id, options, data, cb)
 
 		if cb then callbacks.when_done(cb) end
 	end)
-	coroutine.resume(co)
+	assert(coroutine.resume(co))
 
 	return true
 end

monarch/transitions/gui.lua

@@ -104,73 +104,103 @@ function M.fade_in(node, from, easing, duration, delay, cb)
 	gui.animate(node, gui.PROP_COLOR, to, easing, duration, delay, cb)
 end
 
---- Create a transition for a node
--- @return Transition instance
-function M.create(node)
-	assert(node, "You must provide a node")
 
+
+--- Create a transition
+-- @return Transition instance
+local function create()
 	local instance = {}
 
-	local transitions = {}
+	local transitions = {
+		[monarch.TRANSITION.SHOW_IN] = { urls = {}, transitions = {}, in_progress_count = 0, },
+		[monarch.TRANSITION.SHOW_OUT] = { urls = {}, transitions = {}, in_progress_count = 0, },
+		[monarch.TRANSITION.BACK_IN] = { urls = {}, transitions = {}, in_progress_count = 0, },
+		[monarch.TRANSITION.BACK_OUT] = { urls = {}, transitions = {}, in_progress_count = 0, },
+	}
 
 	local current_transition = nil
 
-	local initial_data = {}
-	initial_data.pos = gui.get_position(node)
-	initial_data.scale = gui.get_scale(node)
-
-	local function create_transition(fn, easing, duration, delay)
-		return {
+	local function create_transition(transition_id, node, fn, easing, duration, delay)
+		local t = transitions[transition_id]
+		t.transitions[#t.transitions + 1] = {
+			node = node,
+			node_data = {
+				pos = gui.get_position(node),
+				scale = gui.get_scale(node),
+			},
 			fn = fn,
 			easing = easing,
 			duration = duration,
 			delay = delay,
-			in_progress = false,
-			urls = {},
-			id = nil
+			id = transition_id
 		}
 	end
 
-	local function finish_transition(transition)
-		transition.in_progress = false
-		local message = { transition = transition.id }
-		while #transition.urls > 0 do
-			local url = table.remove(transition.urls)
+	local function finish_transition(transition_id)
+		local t = transitions[transition_id]
+		if #t.urls > 0 then
+			local message = { transition = transition_id }
+			while #t.urls > 0 do
+				local url = table.remove(t.urls)
 				msg.post(url, monarch.TRANSITION.DONE, message)
 			end
 		end
+		current_transition = nil
+	end
 
-	local function start_transition(transition, transition_id, url)
-		table.insert(transition.urls, url)
-		if not transition.in_progress then
-			table.insert(transition.urls, msg.url())
-			transition.in_progress = true
-			transition.id = transition_id
-			current_transition = transition
-			transition.fn(node, initial_data, transition.easing, transition.duration, transition.delay or 0, function()
-				finish_transition(transition)
+	local function check_and_finish_transition(transition_id)
+		local t = transitions[transition_id]
+		if t.in_progress_count == 0 then
+			finish_transition(transition_id)
+		end
+	end
+
+	local function start_transition(transition_id, url)
+		local t = transitions[transition_id]
+		table.insert(t.urls, url)
+		if t.in_progress_count == 0 then
+			table.insert(t.urls, msg.url())
+			current_transition = t
+			if #t.transitions > 0 then
+				for i=1,#t.transitions do
+					local transition = t.transitions[i]
+					t.in_progress_count = t.in_progress_count + 1
+					transition.fn(transition.node, transition.node_data, transition.easing, transition.duration, transition.delay or 0, function()
+						t.in_progress_count = t.in_progress_count - 1
+						check_and_finish_transition(transition_id)
 					end)
 				end
+			else
+				check_and_finish_transition(transition_id)
+			end
+		end
 	end
 
 	-- Forward on_message calls here
 	function instance.handle(message_id, message, sender)
 		if message_id == LAYOUT_CHANGED then
-			initial_data.pos = gui.get_position(node)
+			for _,t in pairs(transitions) do
+				for _,transitions in pairs(t.transitions) do
+					transitions.node_data.pos = gui.get_position(transitions.node)
+				end
+			end
 			-- replay the current transition if the layout changes
 			-- this will ensure that things are still hidden if they
 			-- were transitioned out
 			if current_transition then
-				current_transition.fn(node, initial_data, current_transition.easing, 0, 0)
-				if current_transition.in_progress then
-					finish_transition(current_transition)
+				for _,transition in pairs(current_transition.transitions) do
+					local node = transition.node
+					transition.fn(transition.node, transition.node_data, transition.easing, 0, 0)
+				end
+				if current_transition.in_progress_count > 0 then
+					finish_transition(message_id)
 				end
 			end
-		else
-			local transition = transitions[message_id]
-			if transition then
-				start_transition(transition, message_id, sender)
-			end
+		elseif message_id == monarch.TRANSITION.SHOW_IN
+		or message_id == monarch.TRANSITION.SHOW_OUT
+		or message_id == monarch.TRANSITION.BACK_IN
+		or message_id == monarch.TRANSITION.BACK_OUT then
+			start_transition(message_id, sender)
 		end
 	end
 
@@ -180,38 +210,57 @@ function M.create(node)
 	-- @param easing Easing function to use
 	-- @param duration Transition duration
 	-- @param delay Transition delay
-	function instance.show_in(fn, easing, duration, delay)
-		transitions[monarch.TRANSITION.SHOW_IN] = create_transition(fn, easing, duration, delay)
+	function instance.show_in(node, fn, easing, duration, delay)
+		create_transition(monarch.TRANSITION.SHOW_IN, node, fn, easing, duration, delay)
 		return instance
 	end
 
 	-- Specify the transition function when this node is transitioned
 	-- from when showing another screen
-	function instance.show_out(fn, easing, duration, delay)
-		transitions[monarch.TRANSITION.SHOW_OUT] = create_transition(fn, easing, duration, delay)
+	function instance.show_out(node, fn, easing, duration, delay)
+		create_transition(monarch.TRANSITION.SHOW_OUT, node, fn, easing, duration, delay)
 		return instance
 	end
 
 	--- Specify the transition function when this node is transitioned
 	-- to when navigating back in the screen stack
-	function instance.back_in(fn, easing, duration, delay)
-		transitions[monarch.TRANSITION.BACK_IN] = create_transition(fn, easing, duration, delay)
+	function instance.back_in(node, fn, easing, duration, delay)
+		create_transition(monarch.TRANSITION.BACK_IN, node, fn, easing, duration, delay)
 		return instance
 	end
 
 	--- Specify the transition function when this node is transitioned
 	-- from when navigating back in the screen stack
-	function instance.back_out(fn, easing, duration, delay)
-		transitions[monarch.TRANSITION.BACK_OUT] = create_transition(fn, easing, duration, delay)
+	function instance.back_out(node, fn, easing, duration, delay)
+		create_transition(monarch.TRANSITION.BACK_OUT, node, fn, easing, duration, delay)
 		return instance
 	end
 
-	-- set default transitions (instant)
-	instance.show_in(M.instant)
-	instance.show_out(M.instant)
-	instance.back_in(M.instant)
-	instance.back_out(M.instant)
+	return instance
+end
 
+function M.create(node)
+	local instance = create()
+	-- backward compatibility with the old version of create
+	-- where a single node was used
+	if node then
+		local show_in = instance.show_in
+		local show_out = instance.show_out
+		local back_in = instance.back_in
+		local back_out = instance.back_out
+		instance.show_in = function(fn, easing, duration, delay)
+			return show_in(node, fn, easing, duration, delay)
+		end
+		instance.show_out = function(fn, easing, duration, delay)
+			return show_out(node, fn, easing, duration, delay)
+		end
+		instance.back_in = function(fn, easing, duration, delay)
+			return back_in(node, fn, easing, duration, delay)
+		end
+		instance.back_out = function(fn, easing, duration, delay)
+			return back_out(node, fn, easing, duration, delay)
+		end
+	end
 	return instance
 end