[gnome-builder] build-stage: track active state for base build stages

[Christian Hergert <chergert src gnome org>]

commit fddc1f85c68792c213c948654a916f6012e0a223
Author: Christian Hergert <chergert redhat com>
Date:   Mon Dec 18 20:01:23 2017 -0800

    build-stage: track active state for base build stages
    
    This plumbs the activate state tracking into the base stages so that
    consumers of these do not need to implement it themselves.

 src/libide/buildsystem/ide-build-stage-launcher.c |   19 +++++++++++++++++++
 src/libide/buildsystem/ide-build-stage-mkdirs.c   |    8 ++++++++
 src/libide/buildsystem/ide-build-stage-transfer.c |   19 +++++++++++++++++++
 3 files changed, 46 insertions(+), 0 deletions(-)
---
diff --git a/src/libide/buildsystem/ide-build-stage-launcher.c 
b/src/libide/buildsystem/ide-build-stage-launcher.c
index bf15d69..17e6c70 100644
--- a/src/libide/buildsystem/ide-build-stage-launcher.c
+++ b/src/libide/buildsystem/ide-build-stage-launcher.c
@@ -107,6 +107,17 @@ ignore_exit_failures:
 }
 
 static void
+ide_build_stage_launcher_notify_completed_cb (GTask                 *task,
+                                              GParamSpec            *pspec,
+                                              IdeBuildStageLauncher *launcher)
+{
+  g_assert (G_IS_TASK (task));
+  g_assert (IDE_IS_BUILD_STAGE_LAUNCHER (launcher));
+
+  ide_build_stage_set_active (IDE_BUILD_STAGE (launcher), FALSE);
+}
+
+static void
 ide_build_stage_launcher_run (IdeBuildStage         *stage,
                               IdeSubprocessLauncher *launcher,
                               IdeBuildPipeline      *pipeline,
@@ -130,6 +141,14 @@ ide_build_stage_launcher_run (IdeBuildStage         *stage,
 
   task = g_task_new (self, cancellable, callback, user_data);
   g_task_set_source_tag (task, ide_build_stage_launcher_run);
+  g_task_set_priority (task, G_PRIORITY_LOW);
+
+  g_signal_connect (task,
+                    "notify::completed",
+                    G_CALLBACK (ide_build_stage_launcher_notify_completed_cb),
+                    self);
+
+  ide_build_stage_set_active (IDE_BUILD_STAGE (self), TRUE);
 
   if (launcher == NULL)
     {
diff --git a/src/libide/buildsystem/ide-build-stage-mkdirs.c b/src/libide/buildsystem/ide-build-stage-mkdirs.c
index ff36288..9f8c986 100644
--- a/src/libide/buildsystem/ide-build-stage-mkdirs.c
+++ b/src/libide/buildsystem/ide-build-stage-mkdirs.c
@@ -97,6 +97,8 @@ ide_build_stage_mkdirs_execute (IdeBuildStage     *stage,
   g_assert (IDE_IS_BUILD_STAGE_MKDIRS (self));
   g_assert (!cancellable || G_IS_CANCELLABLE (cancellable));
 
+  ide_build_stage_set_active (stage, TRUE);
+
   for (guint i = 0; i < priv->paths->len; i++)
     {
       const Path *path = &g_array_index (priv->paths, Path, i);
@@ -124,6 +126,8 @@ ide_build_stage_mkdirs_execute (IdeBuildStage     *stage,
         }
     }
 
+  ide_build_stage_set_active (stage, FALSE);
+
   IDE_RETURN (TRUE);
 }
 
@@ -137,6 +141,8 @@ ide_build_stage_mkdirs_reap (IdeBuildStage      *stage,
   g_assert (IDE_IS_BUILD_STAGE_MKDIRS (self));
   g_assert (DZL_IS_DIRECTORY_REAPER (reaper));
 
+  ide_build_stage_set_active (stage, TRUE);
+
   for (guint i = 0; i < priv->paths->len; i++)
     {
       const Path *path = &g_array_index (priv->paths, Path, i);
@@ -147,6 +153,8 @@ ide_build_stage_mkdirs_reap (IdeBuildStage      *stage,
           dzl_directory_reaper_add_directory (reaper, file, 0);
         }
     }
+
+  ide_build_stage_set_active (stage, FALSE);
 }
 
 static void
diff --git a/src/libide/buildsystem/ide-build-stage-transfer.c 
b/src/libide/buildsystem/ide-build-stage-transfer.c
index 0b800c7..c032eb4 100644
--- a/src/libide/buildsystem/ide-build-stage-transfer.c
+++ b/src/libide/buildsystem/ide-build-stage-transfer.c
@@ -67,6 +67,17 @@ ide_build_stage_transfer_execute_cb (GObject      *object,
 }
 
 static void
+ide_build_stage_transfer_notify_completed_cb (GTask                 *task,
+                                              GParamSpec            *pspec,
+                                              IdeBuildStageTransfer *transfer)
+{
+  g_assert (G_IS_TASK (task));
+  g_assert (IDE_IS_BUILD_STAGE_TRANSFER (transfer));
+
+  ide_build_stage_set_active (IDE_BUILD_STAGE (transfer), FALSE);
+}
+
+static void
 ide_build_stage_transfer_execute_async (IdeBuildStage       *stage,
                                         IdeBuildPipeline    *pipeline,
                                         GCancellable        *cancellable,
@@ -85,6 +96,14 @@ ide_build_stage_transfer_execute_async (IdeBuildStage       *stage,
 
   task = g_task_new (self, cancellable, callback, user_data);
   g_task_set_source_tag (task, ide_build_stage_transfer_execute_async);
+  g_task_set_priority (task, TRUE);
+
+  g_signal_connect (task,
+                    "notify::completed",
+                    G_CALLBACK (ide_build_stage_transfer_notify_completed_cb),
+                    self);
+
+  ide_build_stage_set_active (stage, TRUE);
 
   if (ide_transfer_get_completed (self->transfer))
     {