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two-step: Remove unnecessary next_node helper variable

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When walking a list, we only need to store the next_node before doing
operations on the current node, if the operation modifies the list,
which is only the case in free_views() and remove_pixel_display () in all
other cases we can remove the unnecessary next_node helper variable.

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
calculate-0.9.5
Hans de Goede 5 years ago
parent 5d1805f832
commit c925706421
1 changed files with 28 additions and 68 deletions
Show Stats Download Patch File Download Diff File

96
src/plugins/splash/two-step/plugin.c
Unescape View File

@ -683,21 +683,18 @@ load_views (ply_boot_splash_plugin_t *plugin)
{
ply_list_node_t *node;
bool view_loaded;
view_t *view;
view_loaded = false;
node = ply_list_get_first_node (plugin->views);
while (node != NULL) {
ply_list_node_t *next_node;
view_t *view;
view = ply_list_node_get_data (node);
next_node = ply_list_get_next_node (plugin->views, node);
if (view_load (view))
view_loaded = true;
node = next_node;
node = ply_list_get_next_node (plugin->views, node);
}
return view_loaded;
@ -719,18 +716,13 @@ static void
redraw_views (ply_boot_splash_plugin_t *plugin)
{
ply_list_node_t *node;
view_t *view;
node = ply_list_get_first_node (plugin->views);
while (node != NULL) {
ply_list_node_t *next_node;
view_t *view;
view = ply_list_node_get_data (node);
next_node = ply_list_get_next_node (plugin->views, node);
view_redraw (view);
node = next_node;
node = ply_list_get_next_node (plugin->views, node);
}
}
@ -738,20 +730,15 @@ static void
pause_views (ply_boot_splash_plugin_t *plugin)
{
ply_list_node_t *node;
view_t *view;
ply_trace ("pausing views");
node = ply_list_get_first_node (plugin->views);
while (node != NULL) {
ply_list_node_t *next_node;
view_t *view;
view = ply_list_node_get_data (node);
next_node = ply_list_get_next_node (plugin->views, node);
ply_pixel_display_pause_updates (view->display);
node = next_node;
node = ply_list_get_next_node (plugin->views, node);
}
}
@ -759,20 +746,15 @@ static void
unpause_views (ply_boot_splash_plugin_t *plugin)
{
ply_list_node_t *node;
view_t *view;
ply_trace ("unpausing views");
node = ply_list_get_first_node (plugin->views);
while (node != NULL) {
ply_list_node_t *next_node;
view_t *view;
view = ply_list_node_get_data (node);
next_node = ply_list_get_next_node (plugin->views, node);
ply_pixel_display_unpause_updates (view->display);
node = next_node;
node = ply_list_get_next_node (plugin->views, node);
}
}
@ -1270,6 +1252,9 @@ static void
start_end_animation (ply_boot_splash_plugin_t *plugin,
ply_trigger_t *trigger)
{
ply_list_node_t *node;
view_t *view;
if (!plugin->mode_settings[plugin->mode].use_animation) {
ply_trigger_pull (trigger, NULL);
return;
@ -1277,20 +1262,14 @@ start_end_animation (ply_boot_splash_plugin_t *plugin,
ply_trace ("starting end animation");
ply_list_node_t *node;
node = ply_list_get_first_node (plugin->views);
while (node != NULL) {
ply_list_node_t *next_node;
view_t *view;
ply_trigger_t *throbber_trigger;
view = ply_list_node_get_data (node);
next_node = ply_list_get_next_node (plugin->views, node);
ply_trigger_ignore_next_pull (trigger);
if (view->throbber != NULL) {
ply_trigger_t *throbber_trigger;
ply_trace ("stopping throbber");
view->end_trigger = trigger;
throbber_trigger = ply_trigger_new (NULL);
@ -1303,7 +1282,7 @@ start_end_animation (ply_boot_splash_plugin_t *plugin,
view_start_end_animation (view, trigger);
}
node = next_node;
node = ply_list_get_next_node (plugin->views, node);
}
ply_trigger_pull (trigger, NULL);
}
@ -1312,6 +1291,7 @@ static void
start_progress_animation (ply_boot_splash_plugin_t *plugin)
{
ply_list_node_t *node;
view_t *view;
if (plugin->is_animating)
return;
@ -1320,15 +1300,9 @@ start_progress_animation (ply_boot_splash_plugin_t *plugin)
node = ply_list_get_first_node (plugin->views);
while (node != NULL) {
ply_list_node_t *next_node;
view_t *view;
view = ply_list_node_get_data (node);
next_node = ply_list_get_next_node (plugin->views, node);
view_start_progress_animation (view);
node = next_node;
node = ply_list_get_next_node (plugin->views, node);
}
plugin->is_animating = true;
@ -1346,6 +1320,7 @@ static void
stop_animation (ply_boot_splash_plugin_t *plugin)
{
ply_list_node_t *node;
view_t *view;
assert (plugin != NULL);
assert (plugin->loop != NULL);
@ -1358,11 +1333,7 @@ stop_animation (ply_boot_splash_plugin_t *plugin)
node = ply_list_get_first_node (plugin->views);
while (node != NULL) {
ply_list_node_t *next_node;
view_t *view;
view = ply_list_node_get_data (node);
next_node = ply_list_get_next_node (plugin->views, node);
ply_progress_bar_hide (view->progress_bar);
if (view->progress_animation != NULL)
@ -1372,7 +1343,7 @@ stop_animation (ply_boot_splash_plugin_t *plugin)
if (view->end_animation != NULL)
ply_animation_stop (view->end_animation);
node = next_node;
node = ply_list_get_next_node (plugin->views, node);
}
}
@ -1709,15 +1680,12 @@ update_progress_animation (ply_boot_splash_plugin_t *plugin,
double percent_done)
{
ply_list_node_t *node;
view_t *view;
char buf[64];
node = ply_list_get_first_node (plugin->views);
while (node != NULL) {
ply_list_node_t *next_node;
view_t *view;
view = ply_list_node_get_data (node);
next_node = ply_list_get_next_node (plugin->views, node);
if (view->progress_animation != NULL)
ply_progress_animation_set_percent_done (view->progress_animation,
@ -1730,7 +1698,7 @@ update_progress_animation (ply_boot_splash_plugin_t *plugin,
view_show_message (view, buf);
}
node = next_node;
node = ply_list_get_next_node (plugin->views, node);
}
}
@ -1808,19 +1776,14 @@ show_prompt (ply_boot_splash_plugin_t *plugin,
int number_of_bullets)
{
ply_list_node_t *node;
view_t *view;
ply_trace ("showing prompt");
node = ply_list_get_first_node (plugin->views);
while (node != NULL) {
ply_list_node_t *next_node;
view_t *view;
view = ply_list_node_get_data (node);
next_node = ply_list_get_next_node (plugin->views, node);
view_show_prompt (view, prompt, entry_text, number_of_bullets);
node = next_node;
node = ply_list_get_next_node (plugin->views, node);
}
}
@ -1861,23 +1824,17 @@ static void
hide_prompt (ply_boot_splash_plugin_t *plugin)
{
ply_list_node_t *node;
view_t *view;
ply_trace ("hiding prompt");
node = ply_list_get_first_node (plugin->views);
while (node != NULL) {
ply_list_node_t *next_node;
view_t *view;
view = ply_list_node_get_data (node);
next_node = ply_list_get_next_node (plugin->views, node);
view_hide_prompt (view);
node = next_node;
node = ply_list_get_next_node (plugin->views, node);
}
}
static void
view_show_message (view_t *view,
const char *message)
@ -1905,15 +1862,18 @@ static void
show_message (ply_boot_splash_plugin_t *plugin,
const char *message)
{
ply_list_node_t *node;
view_t *view;
if (plugin->mode_settings[plugin->mode].suppress_messages) {
ply_trace ("Suppressing message '%s'", message);
return;
}
ply_trace ("Showing message '%s'", message);
ply_list_node_t *node;
node = ply_list_get_first_node (plugin->views);
while (node != NULL) {
view_show_message (ply_list_node_get_data (node), message);
view = ply_list_node_get_data (node);
view_show_message (view, message);
node = ply_list_get_next_node (plugin->views, node);
}
}

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