From 6dc040edf2f31497d4492c159397c4634037be66 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Isma=C3=ABl=20Bouya?= <ismael.bouya@normalesup.org>
Date: Mon, 19 Sep 2016 15:57:26 +0200
Subject: Add load_all_musics flag and corresponding actions

---
 music_sampler/actions/__init__.py     |  2 ++
 music_sampler/actions/load_music.py   | 12 ++++++++++++
 music_sampler/actions/unload_music.py | 10 ++++++++++
 music_sampler/helpers.py              |  8 ++++++++
 4 files changed, 32 insertions(+)
 create mode 100644 music_sampler/actions/load_music.py
 create mode 100644 music_sampler/actions/unload_music.py

diff --git a/music_sampler/actions/__init__.py b/music_sampler/actions/__init__.py
index 7c812cb..e0671fe 100644
--- a/music_sampler/actions/__init__.py
+++ b/music_sampler/actions/__init__.py
@@ -1,4 +1,5 @@
 from . import interrupt_wait
+from . import load_music
 from . import pause
 from . import pause_wait
 from . import play
@@ -7,6 +8,7 @@ from . import run_command
 from . import seek
 from . import stop
 from . import stop_all_actions
+from . import unload_music
 from . import unpause
 from . import unpause_wait
 from . import volume
diff --git a/music_sampler/actions/load_music.py b/music_sampler/actions/load_music.py
new file mode 100644
index 0000000..f3e02ba
--- /dev/null
+++ b/music_sampler/actions/load_music.py
@@ -0,0 +1,12 @@
+import threading
+
+def run(action, music=None, **kwargs):
+    for music in action.music_list(music):
+        if not music.is_loaded(allow_substates=True):
+            threading.Thread(name="MSMusicLoad", target=music.load).start()
+
+def description(action, music=None, **kwargs):
+    if music is not None:
+        return "load music « {} » to memory".format(music.name)
+    else:
+        return "load all music to memory"
diff --git a/music_sampler/actions/unload_music.py b/music_sampler/actions/unload_music.py
new file mode 100644
index 0000000..b3de316
--- /dev/null
+++ b/music_sampler/actions/unload_music.py
@@ -0,0 +1,10 @@
+def run(action, music=None, **kwargs):
+    for music in action.music_list(music):
+        if music.is_unloadable():
+            music.unload()
+
+def description(action, music=None, **kwargs):
+    if music is not None:
+        return "unload music « {} » from memory".format(music.name)
+    else:
+        return "unload all music from memory"
diff --git a/music_sampler/helpers.py b/music_sampler/helpers.py
index 9403875..fbd338b 100644
--- a/music_sampler/helpers.py
+++ b/music_sampler/helpers.py
@@ -124,6 +124,13 @@ Configs = {
         'help_no': _("Don't show warning when focus is lost"),
         'type': 'boolean'
     },
+    'load_all_musics': {
+        'default': True,
+        'help_yes': _("Load all the musics at launch time (default)"),
+        'help_no': _("Don't load all the musics at launch time (use it if you \
+            have memory problems)"),
+        'type': 'boolean'
+    },
     'list_devices': {
         'help': _("List available sound devices"),
         'type': 'action'
@@ -142,6 +149,7 @@ Configs_order = [
     'language',
     'list_devices',
     'device',
+    'load_all_musics',
 ]
 def parse_args():
     argv = sys.argv[1 :]
-- 
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