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Merge pull request #1168 from hwhw/master

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Fix double-check of task list
pull/1171/head
Huang Xin 10 years ago
parent 5e24e18d3e 45cf927ee8
commit 2dbda247a2
1 changed files with 123 additions and 113 deletions
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236
frontend/ui/uimanager.lua
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@ -69,6 +69,7 @@ local UIManager = {
_running = true,
_window_stack = {},
_execution_stack = {},
_execution_stack_dirty = false,
_dirty = {},
_zeromqs = {},
}
@ -232,6 +233,7 @@ end
-- schedule an execution task
function UIManager:schedule(time, action)
table.insert(self._execution_stack, { time = time, action = action })
self._execution_stack_dirty = true
end
-- schedule task in a certain amount of seconds (fractions allowed) from now
@ -370,131 +372,139 @@ function UIManager:checkTasks()
end
end
until all_tasks_checked
return wait_until
self._execution_stack_dirty = false
return wait_until, now
end
-- this is the main loop of the UI controller
-- it is intended to manage input events and delegate
-- them to dialogs
function UIManager:run()
self._running = true
while self._running do
local now = { util.gettime() }
local wait_until = self:checkTasks()
--DEBUG("---------------------------------------------------")
--DEBUG("exec stack", self._execution_stack)
--DEBUG("window stack", self._window_stack)
--DEBUG("dirty stack", self._dirty)
--DEBUG("---------------------------------------------------")
-- stop when we have no window to show
if #self._window_stack == 0 then
DEBUG("no dialog left to show")
self:quit()
return nil
end
-- repaint dirty widgets
function UIManager:repaint()
local dirty = false
local request_full_refresh = false
local force_full_refresh = false
local force_partial_refresh = false
local force_fast_refresh = false
for _, widget in ipairs(self._window_stack) do
-- paint if repaint_all is request
-- paint also if current widget or any widget underneath is dirty
if self.repaint_all or dirty or self._dirty[widget.widget] then
widget.widget:paintTo(Screen.bb, widget.x, widget.y)
-- repaint dirty widgets
local dirty = false
local request_full_refresh = false
local force_full_refresh = false
local force_partial_refresh = false
local force_fast_refresh = false
for _, widget in ipairs(self._window_stack) do
-- paint if repaint_all is request
-- paint also if current widget or any widget underneath is dirty
if self.repaint_all or dirty or self._dirty[widget.widget] then
widget.widget:paintTo(Screen.bb, widget.x, widget.y)
if self._dirty[widget.widget] == "auto" then
request_full_refresh = true
end
if self._dirty[widget.widget] == "full" then
force_full_refresh = true
end
if self._dirty[widget.widget] == "partial" then
force_partial_refresh = true
end
if self._dirty[widget.widget] == "fast" then
force_fast_refresh = true
end
-- and remove from list after painting
self._dirty[widget.widget] = nil
-- trigger repaint
dirty = true
if self._dirty[widget.widget] == "auto" then
request_full_refresh = true
end
end
if self.full_refresh then
if self._dirty[widget.widget] == "full" then
force_full_refresh = true
end
if self._dirty[widget.widget] == "partial" then
force_partial_refresh = true
end
if self._dirty[widget.widget] == "fast" then
force_fast_refresh = true
end
-- and remove from list after painting
self._dirty[widget.widget] = nil
-- trigger repaint
dirty = true
force_full_refresh = true
end
end
if self.partial_refresh then
dirty = true
force_partial_refresh = true
end
if self.full_refresh then
dirty = true
force_full_refresh = true
end
self.repaint_all = false
self.full_refresh = false
self.partial_refresh = false
local refresh_type = self.default_refresh_type
local waveform_mode = self.default_waveform_mode
local wait_for_marker = self.wait_for_every_marker
if dirty then
if force_partial_refresh or force_fast_refresh then
refresh_type = UPDATE_MODE_PARTIAL
elseif force_full_refresh or self.refresh_count == self.FULL_REFRESH_COUNT - 1 then
refresh_type = UPDATE_MODE_FULL
end
-- Handle the waveform mode selection...
if refresh_type == UPDATE_MODE_FULL then
waveform_mode = self.full_refresh_waveform_mode
else
waveform_mode = self.partial_refresh_waveform_mode
end
if force_fast_refresh then
waveform_mode = self.fast_waveform_mode
-- FIXME: Should we also avoid doing an MXCFB_WAIT_FOR_UPDATE_SUBMISSION for this update?
--wait_for_marker = false
end
-- If the device is REAGL-aware, we're specifically asking for a REAGL update, and we're doing a PARTIAL *reader* refresh, apply some trickery to match the stock reader's behavior
-- (On most device, REAGL updates are always FULL, but there's no black flash. On devices where this isn't the case [H2O], we're letting the driver do the job by using AUTO).
if not force_partial_refresh and not force_fast_refresh and refresh_type == UPDATE_MODE_PARTIAL and (waveform_mode == WAVEFORM_MODE_REAGL or waveform_mode == NTX_WFM_MODE_GLD16) then
refresh_type = UPDATE_MODE_FULL
end
-- On the other hand, if we asked for a PARTIAL *UI* refresh, fall back to the default waveform mode, which is tailored per-device to hopefully be more appropriate in this instance than the one we use in the reader.
if force_partial_refresh then
-- NOTE: Using default_waveform_mode might seem counter-intuitive when we have partial_refresh_waveform_mode, but partial_refresh_waveform_mode is mostly there as a means to flag REAGL-aware devices ;).
-- Here, we're actually interested in handling PARTIAL, regional (be it properly flagged or not) updates, and not the PARTIAL updates from the reader that actually refresh the whole screen (i.e., those between black flashes).
waveform_mode = self.default_waveform_mode
end
if self.update_regions_func then
local update_regions = self.update_regions_func()
for _, update_region in ipairs(update_regions) do
-- in some rare cases update region has 1 pixel offset
Screen:refresh(refresh_type, waveform_mode, wait_for_marker,
update_region.x-1, update_region.y-1,
update_region.w+2, update_region.h+2)
end
else
Screen:refresh(refresh_type, waveform_mode, wait_for_marker)
end
-- REAGL refreshes are always FULL (but without a black flash), but we want to keep our black flash timeout working, so don't reset the counter on FULL REAGL refreshes...
if refresh_type == UPDATE_MODE_FULL and waveform_mode ~= WAVEFORM_MODE_REAGL and waveform_mode ~= NTX_WFM_MODE_GLD16 then
self.refresh_count = 0
elseif not force_partial_refresh and not force_full_refresh then
self.refresh_count = (self.refresh_count + 1)%self.FULL_REFRESH_COUNT
if self.partial_refresh then
dirty = true
force_partial_refresh = true
end
self.repaint_all = false
self.full_refresh = false
self.partial_refresh = false
local refresh_type = self.default_refresh_type
local waveform_mode = self.default_waveform_mode
local wait_for_marker = self.wait_for_every_marker
if dirty then
if force_partial_refresh or force_fast_refresh then
refresh_type = UPDATE_MODE_PARTIAL
elseif force_full_refresh or self.refresh_count == self.FULL_REFRESH_COUNT - 1 then
refresh_type = UPDATE_MODE_FULL
end
-- Handle the waveform mode selection...
if refresh_type == UPDATE_MODE_FULL then
waveform_mode = self.full_refresh_waveform_mode
else
waveform_mode = self.partial_refresh_waveform_mode
end
if force_fast_refresh then
waveform_mode = self.fast_waveform_mode
-- FIXME: Should we also avoid doing an MXCFB_WAIT_FOR_UPDATE_SUBMISSION for this update?
--wait_for_marker = false
end
-- If the device is REAGL-aware, we're specifically asking for a REAGL update, and we're doing a PARTIAL *reader* refresh, apply some trickery to match the stock reader's behavior
-- (On most device, REAGL updates are always FULL, but there's no black flash. On devices where this isn't the case [H2O], we're letting the driver do the job by using AUTO).
if not force_partial_refresh and not force_fast_refresh and refresh_type == UPDATE_MODE_PARTIAL and (waveform_mode == WAVEFORM_MODE_REAGL or waveform_mode == NTX_WFM_MODE_GLD16) then
refresh_type = UPDATE_MODE_FULL
end
-- On the other hand, if we asked for a PARTIAL *UI* refresh, fall back to the default waveform mode, which is tailored per-device to hopefully be more appropriate in this instance than the one we use in the reader.
if force_partial_refresh then
-- NOTE: Using default_waveform_mode might seem counter-intuitive when we have partial_refresh_waveform_mode, but partial_refresh_waveform_mode is mostly there as a means to flag REAGL-aware devices ;).
-- Here, we're actually interested in handling PARTIAL, regional (be it properly flagged or not) updates, and not the PARTIAL updates from the reader that actually refresh the whole screen (i.e., those between black flashes).
waveform_mode = self.default_waveform_mode
end
if self.update_regions_func then
local update_regions = self.update_regions_func()
for _, update_region in ipairs(update_regions) do
-- in some rare cases update region has 1 pixel offset
Screen:refresh(refresh_type, waveform_mode, wait_for_marker,
update_region.x-1, update_region.y-1,
update_region.w+2, update_region.h+2)
end
self.update_regions_func = nil
else
Screen:refresh(refresh_type, waveform_mode, wait_for_marker)
end
-- REAGL refreshes are always FULL (but without a black flash), but we want to keep our black flash timeout working, so don't reset the counter on FULL REAGL refreshes...
if refresh_type == UPDATE_MODE_FULL and waveform_mode ~= WAVEFORM_MODE_REAGL and waveform_mode ~= NTX_WFM_MODE_GLD16 then
self.refresh_count = 0
elseif not force_partial_refresh and not force_full_refresh then
self.refresh_count = (self.refresh_count + 1)%self.FULL_REFRESH_COUNT
end
self.update_regions_func = nil
end
end
-- this is the main loop of the UI controller
-- it is intended to manage input events and delegate
-- them to dialogs
function UIManager:run()
self._running = true
while self._running do
local wait_until, now
-- run this in a loop, so that paints can trigger events
-- that will be honored when calculating the time to wait
-- for input events:
repeat
wait_until, now = self:checkTasks()
--DEBUG("---------------------------------------------------")
--DEBUG("exec stack", self._execution_stack)
--DEBUG("window stack", self._window_stack)
--DEBUG("dirty stack", self._dirty)
--DEBUG("---------------------------------------------------")
-- stop when we have no window to show
if #self._window_stack == 0 then
DEBUG("no dialog left to show")
self:quit()
return nil
end
self:checkTasks()
self:repaint()
until not self._execution_stack_dirty
-- wait for next event
-- note that we will skip that if in the meantime we have tasks that are ready to run
-- note that we will skip that if we have tasks that are ready to run
local input_event = nil
if not wait_until then
if #self._zeromqs > 0 then
@ -507,7 +517,7 @@ function UIManager:run()
end
end
else
-- no pending task, wait endlessly
-- no pending task, wait without timeout
input_event = Input:waitEvent()
end
elseif wait_until[1] > now[1]

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