From 8578459813359aa760fae80ae4dafed3035b1fd8 Mon Sep 17 00:00:00 2001
From: Cedric BAIL <cedric.bail@free.fr>
Date: Fri, 1 Jul 2011 08:57:54 +0000
Subject: [PATCH] emotion: add empty infrastructure for suspending the
 pipeline.

SVN revision: 60909
---
 legacy/emotion/src/lib/Emotion.h       | 13 ++++-
 legacy/emotion/src/lib/emotion_smart.c | 66 ++++++++++++++++++++------
 2 files changed, 64 insertions(+), 15 deletions(-)

diff --git a/legacy/emotion/src/lib/Emotion.h b/legacy/emotion/src/lib/Emotion.h
index 742cefe1cb..83c68a4c4e 100644
--- a/legacy/emotion/src/lib/Emotion.h
+++ b/legacy/emotion/src/lib/Emotion.h
@@ -109,6 +109,14 @@ enum _Emotion_Vis
   EMOTION_VIS_LAST /* sentinel */
 };
 
+typedef enum
+{
+  EMOTION_WAKEUP,
+  EMOTION_SLEEP,
+  EMOTION_DEEP_SLEEP,
+  EMOTION_HIBERNATE
+} Emotion_Suspend;
+
 typedef enum _Emotion_Module    Emotion_Module;
 typedef enum _Emotion_Event     Emotion_Event;
 typedef enum _Emotion_Meta_Info Emotion_Meta_Info;
@@ -120,7 +128,7 @@ typedef enum _Emotion_Vis       Emotion_Vis;
 #ifdef __cplusplus
 extern "C" {
 #endif
-   
+
 /* api calls available */
 
 /**
@@ -501,6 +509,9 @@ EAPI Eina_Bool    emotion_object_vis_supported         (const Evas_Object *obj,
 EAPI void         emotion_object_last_position_load    (Evas_Object *obj);
 EAPI void         emotion_object_last_position_save    (Evas_Object *obj);
 
+EAPI void         emotion_object_suspend_set           (Evas_Object *obj, Emotion_Suspend state);
+EAPI Emotion_Suspend emotion_object_suspend_get        (Evas_Object *obj);
+
 EAPI Eina_Bool    emotion_object_extension_can_play_get(const Evas_Object *obj, const char *file);
 EAPI Eina_Bool    emotion_object_extension_can_play_fast_get(const Evas_Object *obj, const char *file);
 
diff --git a/legacy/emotion/src/lib/emotion_smart.c b/legacy/emotion/src/lib/emotion_smart.c
index a4a2fb9ea9..648c0116af 100644
--- a/legacy/emotion/src/lib/emotion_smart.c
+++ b/legacy/emotion/src/lib/emotion_smart.c
@@ -55,18 +55,18 @@ struct _Smart_Data
 
    const char    *file;
    Evas_Object   *obj;
-   double         ratio;
-   double         pos;
-   double         seek_pos;
-   double         len;
 
    Ecore_Job     *job;
 
-   unsigned char  play : 1;
-   unsigned char  seek : 1;
-   unsigned char  seeking : 1;
-
    char *title;
+
+#ifdef HAVE_EIO
+   Eio_File *load_xattr;
+   Eio_File *save_xattr;
+
+   const char *time_seek;
+#endif
+
    struct {
       char   *info;
       double  stat;
@@ -80,14 +80,18 @@ struct _Smart_Data
       int button;
    } spu;
 
-#ifdef HAVE_EIO
-   Eio_File *load_xattr;
-   Eio_File *save_xattr;
-
-   const char *time_seek;
-#endif
+   double         ratio;
+   double         pos;
+   double         seek_pos;
+   double         len;
 
    Emotion_Module_Options module_options;
+
+   Emotion_Suspend state;
+
+   Eina_Bool play : 1;
+   Eina_Bool seek : 1;
+   Eina_Bool seeking : 1;
 };
 
 static void _mouse_move(void *data, Evas *ev, Evas_Object *obj, void *event_info);
@@ -424,6 +428,7 @@ emotion_object_play_set(Evas_Object *obj, Eina_Bool play)
    if (!sd->module) return;
    if (!sd->video) return;
    sd->play = play;
+   if (sd->state != EMOTION_WAKEUP) emotion_object_suspend_set(obj, EMOTION_WAKEUP);
    if (sd->play) sd->module->play(sd->video, sd->pos);
    else sd->module->stop(sd->video);
 }
@@ -1214,6 +1219,38 @@ emotion_object_extension_may_play_get(const char *file)
    return result;
 }
 
+EAPI void
+emotion_object_suspend_set(Evas_Object *obj, Emotion_Suspend state)
+{
+   Smart_Data *sd;
+
+   E_SMART_OBJ_GET(sd, obj, E_OBJ_NAME);
+   switch (state)
+     {
+      case EMOTION_WAKEUP:
+         /* Restore the rendering pipeline, offset and everything back to play again (this will be called automatically by play_set) */
+      case EMOTION_SLEEP:
+         /* This destroy some part of the rendering pipeline */
+      case EMOTION_DEEP_SLEEP:
+         /* This destroy all the rendering pipeline and just keep the last rendered image (fullscreen) */
+      case EMOTION_HIBERNATE:
+         /* This destroy all the rendering pipeline and keep 1/4 of the last rendered image */
+      default:
+         break;
+     }
+
+   sd->state = state;
+}
+
+EAPI Emotion_Suspend
+motion_object_suspend_get(Evas_Object *obj)
+{
+   Smart_Data *sd;
+
+   E_SMART_OBJ_GET_RETURN(sd, obj, E_OBJ_NAME, EMOTION_WAKEUP);
+   return sd->state;
+}
+
 /*****************************/
 /* Utility calls for modules */
 /*****************************/
@@ -1748,6 +1785,7 @@ _smart_add(Evas_Object * obj)
    sd = calloc(1, sizeof(Smart_Data));
    if (!sd) return;
    EINA_REFCOUNT_INIT(sd);
+   sd->state = EMOTION_WAKEUP;
    sd->obj = evas_object_image_add(evas_object_evas_get(obj));
    evas_object_event_callback_add(sd->obj, EVAS_CALLBACK_MOUSE_MOVE, _mouse_move, sd);
    evas_object_event_callback_add(sd->obj, EVAS_CALLBACK_MOUSE_DOWN, _mouse_down, sd);