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Some tweaks to Maciej's proposed states for ViewFrame.

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This commit is contained in:
Darin Adler 2000-08-11 23:16:49 +00:00
parent 9c048d9573
commit c665534850
2 changed files with 27 additions and 27 deletions
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6
ChangeLog
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@ -1,3 +1,8 @@
2000-08-11 Darin Adler <darin@eazel.com>
* docs/state-machines.txt: Some tweaks to Maciej's proposed
states for the view frame.
2000-08-11 Mike Engber <engber@eazel.com>
First cut at syncing our desktop background with GNOME's (bug 1047)
@ -104,7 +109,6 @@
2000-08-11 John Sullivan <sullivan@eazel.com>
>>>>>>> 1.1363
Fixed bug 1743 (Deleting a file in search results should cause
list to update appropriately).

48
docs/state-machines.txt
View file

@ -18,55 +18,51 @@ X: this stimulus is guaranteed impossible in this state
Things I was unsure about:
?1: It's theoretically possible to call load_client on a ViewFrame
more than once, thus loading a new component into an existing
ViewFrame, although Nautilus never does this. Is it better to forbid
this, or clearly define the effects?
?2: Once a load has failed at some stage, should it be OK for Nautilus
to try to make further calls of any kind?
?3: A component making calls on the ViewFrame interface before it has
ever been told even an initial location to load is weird but, I
suppose, not excluded by contract - what should be done here? Should
such calls be taken as errors, or handled in some way?
Missing:
1) "Component stops responding" stimulus.
2) Distinction of failure loading vs. crash of the component.
Note:
A "*" means htat this is illegal but non-fatal, so we want to use g_warning.
State Transision Chart
State Transition Chart
Initial State
Initial State
| E | N | W | U | L | F |
----------------------------------------|-----|-----|-----|-----|-----|-----|
successful load_client call | N | ?1 | ?1 | ?1 | ?1 | ?2 |
successful load_client call | N | X | X | X | X | ?2 |
----------------------------------------|-----|-----|-----|-----|-----|-----|
unsuccessful load_client call | F | ?1 | ?1 | ?1 | ?1 | ?2 |
unsuccessful load_client call | F | X | X | X | X | ?2 |
----------------------------------------|-----|-----|-----|-----|-----|-----|
nautilus_view_frame_load_location call | F | W | W | W | W | ?2 |
----------------------------------------|-----|-----|-----|-----|-----|-----|
open_location call from component | X | ?3 | U | U | L | X |
open_location call from component | X | N* | U | U | L | X |
----------------------------------------|-----|-----|-----|-----|-----|-----|
open_location_in_new_window | X | ?3 | U | U | L | X |
open_location_in_new_window | X | N* | U | U | L | X |
----------------------------------------|-----|-----|-----|-----|-----|-----|
report_location_change | X | ?3 | U | U | U | X |
report_location_change | X | N* | U | U | U | X |
S ----------------------------------------|-----|-----|-----|-----|-----|-----|
t report_selection_change | X | ?3 | U | U | L | X |
t report_selection_change | X | N* | U | U | L | X |
i ----------------------------------------|-----|-----|-----|-----|-----|-----|
m report_status | X | ?3 | U | U | L | X |
m report_status | X | N* | U | U | L | X |
u ----------------------------------------|-----|-----|-----|-----|-----|-----|
l report_load_underway | X | ?3 | U | U | U | X |
l report_load_underway | X | N* | U | U | U | X |
u ----------------------------------------|-----|-----|-----|-----|-----|-----|
s report_load_progress | X | ?3 | U | U | U | X |
s report_load_progress | X | N* | U | U | U | X |
----------------------------------------|-----|-----|-----|-----|-----|-----|
report_load_complete | X | ?3 | L | L | L | X |
report_load_complete | X | N* | L | L | L | X |
----------------------------------------|-----|-----|-----|-----|-----|-----|
report_load_failed | X | ?3 | F | F | F | X |
report_load_failed | X | N* | F | F | F | X |
----------------------------------------|-----|-----|-----|-----|-----|-----|
set_title | X | ?3 | U | U | L | X |
set_title | X | N* | U | U | L | X |
----------------------------------------|-----|-----|-----|-----|-----|-----|
user hits cancel on timer dialog | X | X | F | X | X | X |
----------------------------------------|-----|-----|-----|-----|-----|-----|