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audio: Add callbacks for changing pause status 

When the count is changed or pausing finishes, I trigger this callback
to notify the UI.  I also added in a line to enable pausing any time the
count is incremented.

Signed-off-by: Anna Schumaker <schumaker.anna@gmail.com>
This commit is contained in:
Anna Schumaker 2014-01-24 09:20:08 -05:00 committed by Anna Schumaker
parent c346a5860a
commit 1c99042efd
3 changed files with 8 additions and 0 deletions
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1
include/callback.h
View File

@ -13,6 +13,7 @@ struct Callbacks {
void (*on_play)();
void (*on_pause)();
void (*on_track_loaded)(library :: Song &);
void (*on_pause_count_changed)(bool, unsigned int);
/* Library callbacks */
void (*on_library_add)(unsigned int, library :: Library *);

5
lib/audio.cpp
View File

@ -40,6 +40,7 @@ static void handle_pause_count()
o_pause_enabled = false;
} else
o_pause_count--;
get_callbacks()->on_pause_count_changed(o_pause_enabled, o_pause_count);
}
static gboolean on_message(GstBus *bus, GstMessage *message, gpointer data)
@ -224,8 +225,12 @@ long audio :: duration()
void audio :: pause_after(bool enabled, unsigned int n)
{
if (n > o_pause_count)
enabled = true;
o_pause_enabled = enabled;
o_pause_count = n;
get_callbacks()->on_pause_count_changed(enabled, n);
}
bool audio :: pause_enabled()

2
lib/callback.cpp
View File

@ -6,6 +6,7 @@
static void no_op() {}
static void no_op(unsigned int) {}
static void no_op(bool, unsigned int) {}
static void no_op(unsigned int id, library :: Library *path) {}
static void no_op(Playqueue *, unsigned int) {}
static void no_op(library :: Song &) {}
@ -15,6 +16,7 @@ static struct Callbacks callbacks = {
.on_play = no_op,
.on_pause = no_op,
.on_track_loaded = no_op,
.on_pause_count_changed = no_op,
.on_library_add = no_op,
.on_library_update = no_op,