[Libreoffice-commits] core.git: Branch 'feature/gsoc-tiled-rendering' - include/LibreOfficeKit libreofficekit/source
Pranav Kant
pranavk at gnome.org
Sat Jul 18 10:53:21 PDT 2015
Rebased ref, commits from common ancestor:
commit 79167e50146cb6616a230c8e1b2d8fd1c9185137
Author: Pranav Kant <pranavk at gnome.org>
Date: Sat Jul 18 23:12:47 2015 +0530
lokdocview: Use a thread pool
Change-Id: Ibbfdb7cb0a8ef9f07bcc659e65ce8997716aa245
diff --git a/include/LibreOfficeKit/LibreOfficeKitGtk.h b/include/LibreOfficeKit/LibreOfficeKitGtk.h
index ec28348..6a6db9a 100644
--- a/include/LibreOfficeKit/LibreOfficeKitGtk.h
+++ b/include/LibreOfficeKit/LibreOfficeKitGtk.h
@@ -78,8 +78,8 @@ gboolean lok_doc_view_get_edit (LOKDocView*
/// Posts the .uno: command to the LibreOfficeKit.
void lok_doc_view_post_command (LOKDocView* pDocView,
- const char* pCommand,
- const char* pArguments);
+ const gchar* pCommand,
+ const gchar* pArguments);
float lok_doc_view_pixel_to_twip (LOKDocView* pDocView,
float fInput);
diff --git a/libreofficekit/source/gtk/lokdocview.cxx b/libreofficekit/source/gtk/lokdocview.cxx
index 0a5eca4..08c8485 100644
--- a/libreofficekit/source/gtk/lokdocview.cxx
+++ b/libreofficekit/source/gtk/lokdocview.cxx
@@ -134,6 +134,16 @@ enum
PROP_CAN_ZOOM_OUT
};
+enum
+{
+ LOK_LOAD_DOC,
+ LOK_POST_COMMAND,
+ LOK_SET_EDIT,
+ LOK_SET_PARTMODE,
+ LOK_SET_PART,
+ LOK_POST_KEY
+};
+
static guint doc_view_signals[LAST_SIGNAL] = { 0 };
static void lok_doc_view_initable_iface_init (GInitableIface *iface);
@@ -150,6 +160,7 @@ G_DEFINE_TYPE_WITH_CODE (LOKDocView, lok_doc_view, GTK_TYPE_DRAWING_AREA,
#pragma GCC diagnostic pop
#endif
+static GThreadPool* lokThreadPool;
struct CallbackData
{
@@ -163,6 +174,40 @@ struct CallbackData
m_pDocView(pDocView) {}
};
+struct LOEvent
+{
+ int m_nType;
+ const gchar* m_pCommand;
+ const gchar* m_pArguments;
+ gchar* m_pPath;
+ gboolean m_bEdit;
+ int m_nPartMode;
+ int m_nPart;
+ int m_nKeyEvent;
+ int m_nCharCode;
+ int m_nKeyCode;
+
+ LOEvent(int type)
+ : m_nType(type) {}
+
+ LOEvent(int type, const gchar* pCommand, const gchar* pArguments)
+ : m_nType(type),
+ m_pCommand(pCommand),
+ m_pArguments(pArguments) {}
+
+ LOEvent(int type, const gchar* pPath)
+ : m_nType(type)
+ {
+ m_pPath = g_strdup(pPath);
+ }
+
+ LOEvent(int type, int nKeyEvent, int nCharCode, int nKeyCode)
+ : m_nType(type),
+ m_nKeyEvent(nKeyEvent),
+ m_nCharCode(nCharCode),
+ m_nKeyCode(nKeyCode) {}
+};
+
static void
payloadToSize(const char* pPayload, long& rWidth, long& rHeight)
{
@@ -225,33 +270,18 @@ isEmptyRectangle(const GdkRectangle& rRectangle)
return rRectangle.x == 0 && rRectangle.y == 0 && rRectangle.width == 0 && rRectangle.height == 0;
}
-struct PostKeyCallbackData
-{
- int m_nType;
- int m_nCharCode;
- int m_nKeyCode;
-
- PostKeyCallbackData(int nType, int nCharCode, int nKeyCode)
- : m_nType(nType),
- m_nCharCode(nCharCode),
- m_nKeyCode(nKeyCode) {}
-};
-
static void
-postKeyEventFunc(GTask*,
- gpointer source_object,
- gpointer task_data,
- GCancellable*)
+postKeyEventInThread(gpointer data)
{
- LOKDocView* pDocView = LOK_DOC_VIEW(source_object);
+ GTask* task = G_TASK(data);
+ LOKDocView* pDocView = LOK_DOC_VIEW(g_task_get_source_object(task));
LOKDocViewPrivate *priv = static_cast<LOKDocViewPrivate*>(lok_doc_view_get_instance_private (pDocView));
-
- PostKeyCallbackData* pCallback = static_cast<PostKeyCallbackData*>(task_data);
+ LOEvent* pLOEvent = static_cast<LOEvent*>(g_task_get_task_data(task));
priv->m_pDocument->pClass->postKeyEvent(priv->m_pDocument,
- pCallback->m_nType,
- pCallback->m_nCharCode,
- pCallback->m_nKeyCode);
+ pLOEvent->m_nKeyEvent,
+ pLOEvent->m_nCharCode,
+ pLOEvent->m_nKeyCode);
}
static gboolean
@@ -314,21 +344,17 @@ signalKey (GtkWidget* pWidget, GdkEventKey* pEvent)
if (pEvent->type == GDK_KEY_RELEASE)
{
GTask* task = g_task_new(pDocView, NULL, NULL, NULL);
- PostKeyCallbackData* pCallback = new PostKeyCallbackData(LOK_KEYEVENT_KEYUP,
- nCharCode,
- nKeyCode);
- g_task_set_task_data(task, pCallback, g_free);
- g_task_run_in_thread(task, postKeyEventFunc);
+ LOEvent* pLOEvent = new LOEvent(LOK_POST_KEY, LOK_KEYEVENT_KEYUP, nCharCode, nKeyCode);
+ g_task_set_task_data(task, pLOEvent, g_free);
+ g_thread_pool_push(lokThreadPool, g_object_ref(task), NULL);
g_object_unref(task);
}
else
{
GTask* task = g_task_new(pDocView, NULL, NULL, NULL);
- PostKeyCallbackData* pCallback = new PostKeyCallbackData(LOK_KEYEVENT_KEYINPUT,
- nCharCode,
- nKeyCode);
- g_task_set_task_data(task, pCallback, g_free);
- g_task_run_in_thread(task, postKeyEventFunc);
+ LOEvent* pLOEvent = new LOEvent(LOK_POST_KEY, LOK_KEYEVENT_KEYINPUT, nCharCode, nKeyCode);
+ g_task_set_task_data(task, pLOEvent, g_free);
+ g_thread_pool_push(lokThreadPool, g_object_ref(task), NULL);
g_object_unref(task);
}
@@ -1059,6 +1085,143 @@ lok_doc_view_signal_motion (GtkWidget* pWidget, GdkEventMotion* pEvent)
return FALSE;
}
+static void
+lok_doc_view_open_document_in_thread (gpointer data)
+{
+ GTask* task = G_TASK(data);
+ LOKDocView* pDocView = LOK_DOC_VIEW(g_task_get_source_object(task));
+ LOKDocViewPrivate *priv = static_cast<LOKDocViewPrivate*>(lok_doc_view_get_instance_private (pDocView));
+
+ if ( priv->m_pDocument )
+ {
+ priv->m_pDocument->pClass->destroy( priv->m_pDocument );
+ priv->m_pDocument = 0;
+ }
+
+ priv->m_pOffice->pClass->registerCallback(priv->m_pOffice, globalCallbackWorker, pDocView);
+ priv->m_pDocument = priv->m_pOffice->pClass->documentLoad( priv->m_pOffice, priv->m_aDocPath );
+ if ( !priv->m_pDocument )
+ {
+ // FIXME: should have a GError parameter and populate it.
+ char *pError = priv->m_pOffice->pClass->getError( priv->m_pOffice );
+ fprintf( stderr, "Error opening document '%s'\n", pError );
+ g_task_return_new_error(task, 0, 0, pError);
+ }
+ else
+ {
+ priv->m_pDocument->pClass->initializeForRendering(priv->m_pDocument);
+ priv->m_pDocument->pClass->registerCallback(priv->m_pDocument, callbackWorker, pDocView);
+ priv->m_pDocument->pClass->getDocumentSize(priv->m_pDocument, &priv->m_nDocumentWidthTwips, &priv->m_nDocumentHeightTwips);
+ g_timeout_add(600, handleTimeout, pDocView);
+
+ float zoom = priv->m_fZoom;
+ long nDocumentWidthTwips = priv->m_nDocumentWidthTwips;
+ long nDocumentHeightTwips = priv->m_nDocumentHeightTwips;
+ long nDocumentWidthPixels = twipToPixel(nDocumentWidthTwips, zoom);
+ long nDocumentHeightPixels = twipToPixel(nDocumentHeightTwips, zoom);
+ // Total number of columns in this document.
+ guint nColumns = ceil((double)nDocumentWidthPixels / nTileSizePixels);
+
+
+ priv->m_aTileBuffer = TileBuffer(priv->m_pDocument,
+ nColumns);
+ gtk_widget_set_size_request(GTK_WIDGET(pDocView),
+ nDocumentWidthPixels,
+ nDocumentHeightPixels);
+ gtk_widget_set_can_focus(GTK_WIDGET(pDocView), TRUE);
+ gtk_widget_grab_focus(GTK_WIDGET(pDocView));
+ g_task_return_boolean (task, true);
+ }
+}
+
+static void
+lok_doc_view_set_part_in_thread(gpointer data)
+{
+ GTask* task = G_TASK(data);
+ LOKDocView* pDocView = LOK_DOC_VIEW(g_task_get_source_object(task));
+ LOKDocViewPrivate *priv = static_cast<LOKDocViewPrivate*>(lok_doc_view_get_instance_private (pDocView));
+ LOEvent* pLOEvent = static_cast<LOEvent*>(g_task_get_task_data(task));
+ int nPart = pLOEvent->m_nPart;
+
+ priv->m_pDocument->pClass->setPart( priv->m_pDocument, nPart );
+}
+
+static void
+lok_doc_view_set_partmode_in_thread(gpointer data)
+{
+ GTask* task = G_TASK(data);
+ LOKDocView* pDocView = LOK_DOC_VIEW(g_task_get_source_object(task));
+ LOKDocViewPrivate *priv = static_cast<LOKDocViewPrivate*>(lok_doc_view_get_instance_private (pDocView));
+ LOEvent* pLOEvent = static_cast<LOEvent*>(g_task_get_task_data(task));
+ int nPartMode = pLOEvent->m_nPartMode;
+
+ priv->m_pDocument->pClass->setPartMode( priv->m_pDocument, nPartMode );
+}
+
+static void
+lok_doc_view_set_edit_in_thread(gpointer data)
+{
+ GTask* task = G_TASK(data);
+ LOKDocView* pDocView = LOK_DOC_VIEW(g_task_get_source_object(task));
+ LOKDocViewPrivate *priv = static_cast<LOKDocViewPrivate*>(lok_doc_view_get_instance_private (pDocView));
+ LOEvent* pLOEvent = static_cast<LOEvent*>(g_task_get_task_data(task));
+ gboolean bWasEdit = priv->m_bEdit;
+ gboolean bEdit = pLOEvent->m_bEdit;
+
+ if (!priv->m_bEdit && bEdit)
+ g_info("lok_doc_view_set_edit: entering edit mode");
+ else if (priv->m_bEdit && !bEdit)
+ {
+ g_info("lok_doc_view_set_edit: leaving edit mode");
+ priv->m_pDocument->pClass->resetSelection(priv->m_pDocument);
+ }
+ priv->m_bEdit = bEdit;
+ g_signal_emit(pDocView, doc_view_signals[EDIT_CHANGED], 0, bWasEdit);
+ gtk_widget_queue_draw(GTK_WIDGET(pDocView));
+}
+
+static void
+lok_doc_view_post_command_in_thread (gpointer data)
+{
+ GTask* task = G_TASK(data);
+ LOKDocView* pDocView = LOK_DOC_VIEW(g_task_get_source_object(task));
+ LOEvent* pLOEvent = static_cast<LOEvent*>(g_task_get_task_data(task));
+ LOKDocViewPrivate *priv = static_cast<LOKDocViewPrivate*>(lok_doc_view_get_instance_private (pDocView));
+
+ priv->m_pDocument->pClass->postUnoCommand(priv->m_pDocument, pLOEvent->m_pCommand, pLOEvent->m_pArguments);
+}
+
+static void
+lokThreadFunc(gpointer data, gpointer /*user_data*/)
+{
+ GTask* task = G_TASK(data);
+ LOEvent* pLOEvent = static_cast<LOEvent*>(g_task_get_task_data(task));
+
+ switch (pLOEvent->m_nType)
+ {
+ case LOK_LOAD_DOC:
+ lok_doc_view_open_document_in_thread (task);
+ break;
+ case LOK_POST_COMMAND:
+ lok_doc_view_post_command_in_thread (task);
+ break;
+ case LOK_SET_EDIT:
+ lok_doc_view_set_edit_in_thread(task);
+ break;
+ case LOK_SET_PART:
+ lok_doc_view_set_part_in_thread(task);
+ break;
+ case LOK_SET_PARTMODE:
+ lok_doc_view_set_partmode_in_thread(task);
+ break;
+ case LOK_POST_KEY:
+ postKeyEventInThread(task);
+ break;
+ }
+
+ g_object_unref(task);
+}
+
static void lok_doc_view_init (LOKDocView* pDocView)
{
LOKDocViewPrivate *priv = static_cast<LOKDocViewPrivate*>(lok_doc_view_get_instance_private (pDocView));
@@ -1438,6 +1601,12 @@ static void lok_doc_view_class_init (LOKDocViewClass* pClass)
g_cclosure_marshal_VOID__STRING,
G_TYPE_NONE, 1,
G_TYPE_STRING);
+
+ lokThreadPool = g_thread_pool_new(lokThreadFunc,
+ NULL,
+ 1,
+ FALSE,
+ NULL);
}
/**
@@ -1469,60 +1638,13 @@ lok_doc_view_open_document_finish (LOKDocView* pDocView, GAsyncResult* res, GErr
GTask* task = G_TASK(res);
g_return_val_if_fail(g_task_is_valid(res, pDocView), false);
- //FIXME: make source_tag workx
+ //FIXME: make source_tag work
//g_return_val_if_fail(g_task_get_source_tag(task) == lok_doc_view_open_document, NULL);
g_return_val_if_fail(error == NULL || *error == NULL, false);
return g_task_propagate_boolean(task, error);
}
-static void
-lok_doc_view_open_document_func (GTask* task, gpointer source_object, gpointer /*task_data*/, GCancellable* /*cancellable*/)
-{
- LOKDocView* pDocView = LOK_DOC_VIEW(source_object);
- LOKDocViewPrivate *priv = static_cast<LOKDocViewPrivate*>(lok_doc_view_get_instance_private (pDocView));
-
- if ( priv->m_pDocument )
- {
- priv->m_pDocument->pClass->destroy( priv->m_pDocument );
- priv->m_pDocument = 0;
- }
-
- priv->m_pOffice->pClass->registerCallback(priv->m_pOffice, globalCallbackWorker, pDocView);
- priv->m_pDocument = priv->m_pOffice->pClass->documentLoad( priv->m_pOffice, priv->m_aDocPath );
- if ( !priv->m_pDocument )
- {
- // FIXME: should have a GError parameter and populate it.
- char *pError = priv->m_pOffice->pClass->getError( priv->m_pOffice );
- fprintf( stderr, "Error opening document '%s'\n", pError );
- g_task_return_new_error(task, 0, 0, pError);
- }
- else
- {
- priv->m_pDocument->pClass->initializeForRendering(priv->m_pDocument);
- priv->m_pDocument->pClass->registerCallback(priv->m_pDocument, callbackWorker, pDocView);
- priv->m_pDocument->pClass->getDocumentSize(priv->m_pDocument, &priv->m_nDocumentWidthTwips, &priv->m_nDocumentHeightTwips);
- g_timeout_add(600, handleTimeout, pDocView);
-
- float zoom = priv->m_fZoom;
- long nDocumentWidthTwips = priv->m_nDocumentWidthTwips;
- long nDocumentHeightTwips = priv->m_nDocumentHeightTwips;
- long nDocumentWidthPixels = twipToPixel(nDocumentWidthTwips, zoom);
- long nDocumentHeightPixels = twipToPixel(nDocumentHeightTwips, zoom);
- // Total number of columns in this document.
- guint nColumns = ceil((double)nDocumentWidthPixels / nTileSizePixels);
-
-
- priv->m_aTileBuffer = TileBuffer(priv->m_pDocument,
- nColumns);
- gtk_widget_set_size_request(GTK_WIDGET(pDocView),
- nDocumentWidthPixels,
- nDocumentHeightPixels);
- gtk_widget_set_can_focus(GTK_WIDGET(pDocView), TRUE);
- gtk_widget_grab_focus(GTK_WIDGET(pDocView));
- g_task_return_boolean (task, true);
- }
-}
/**
* lok_doc_view_open_document:
@@ -1538,15 +1660,13 @@ lok_doc_view_open_document (LOKDocView* pDocView,
GAsyncReadyCallback callback,
gpointer userdata)
{
- GTask *task;
+ GTask* task = g_task_new(pDocView, cancellable, callback, userdata);
+ LOEvent* pLOEvent = new LOEvent(LOK_LOAD_DOC, pPath);
LOKDocViewPrivate *priv = static_cast<LOKDocViewPrivate*>(lok_doc_view_get_instance_private (pDocView));
priv->m_aDocPath = g_strdup(pPath);
+ g_task_set_task_data(task, pLOEvent, g_free);
- task = g_task_new(pDocView, cancellable, callback, userdata);
- // FIXME: Use source_tag to check the task.
- //g_task_set_source_tag(task, lok_doc_view_open_document);
-
- g_task_run_in_thread(task, lok_doc_view_open_document_func);
+ g_thread_pool_push(lokThreadPool, g_object_ref(task), NULL);
g_object_unref(task);
}
@@ -1615,28 +1735,16 @@ lok_doc_view_get_part (LOKDocView* pDocView)
return priv->m_pDocument->pClass->getPart( priv->m_pDocument );
}
-static void
-lok_doc_view_set_part_func(GTask*,
- gpointer source_object,
- gpointer task_data,
- GCancellable*)
-{
- LOKDocView* pDocView = LOK_DOC_VIEW(source_object);
- LOKDocViewPrivate *priv = static_cast<LOKDocViewPrivate*>(lok_doc_view_get_instance_private (pDocView));
- int* pPart = static_cast<int*>(task_data);
-
- priv->m_pDocument->pClass->setPart( priv->m_pDocument, *pPart );
-}
-
SAL_DLLPUBLIC_EXPORT void
lok_doc_view_set_part (LOKDocView* pDocView, int nPart)
{
GTask* task = g_task_new(pDocView, NULL, NULL, NULL);
- int* pPart = new int(nPart);
- g_task_set_task_data(task, pPart, g_free);
- g_task_run_in_thread(task, lok_doc_view_set_part_func);
- g_object_unref(task);
+ LOEvent* pLOEvent = new LOEvent(LOK_SET_PART);
+ pLOEvent->m_nPart = nPart;
+ g_task_set_task_data(task, pLOEvent, g_free);
+ g_thread_pool_push(lokThreadPool, g_object_ref(task), NULL);
+ g_object_unref(task);
}
SAL_DLLPUBLIC_EXPORT char*
@@ -1646,51 +1754,17 @@ lok_doc_view_get_part_name (LOKDocView* pDocView, int nPart)
return priv->m_pDocument->pClass->getPartName( priv->m_pDocument, nPart );
}
-static void
-lok_doc_view_set_partmode_func(GTask*,
- gpointer source_object,
- gpointer task_data,
- GCancellable*)
-{
- LOKDocView* pDocView = LOK_DOC_VIEW(source_object);
- LOKDocViewPrivate *priv = static_cast<LOKDocViewPrivate*>(lok_doc_view_get_instance_private (pDocView));
- int* pPartMode = static_cast<int*>(task_data);
-
- priv->m_pDocument->pClass->setPartMode( priv->m_pDocument, *pPartMode );
-}
-
SAL_DLLPUBLIC_EXPORT void
lok_doc_view_set_partmode(LOKDocView* pDocView,
int nPartMode)
{
GTask* task = g_task_new(pDocView, NULL, NULL, NULL);
- int* pPartMode = new int(nPartMode);
- g_task_set_task_data(task, pPartMode, g_free);
- g_task_run_in_thread(task, lok_doc_view_set_partmode_func);
- g_object_unref(task);
-}
+ LOEvent* pLOEvent = new LOEvent(LOK_SET_PARTMODE);
+ pLOEvent->m_nPartMode = nPartMode;
+ g_task_set_task_data(task, pLOEvent, g_free);
-static void
-lok_doc_view_set_edit_func(GTask*,
- gpointer source_object,
- gpointer task_data,
- GCancellable*)
-{
- LOKDocView* pDocView = LOK_DOC_VIEW(source_object);
- LOKDocViewPrivate *priv = static_cast<LOKDocViewPrivate*>(lok_doc_view_get_instance_private (pDocView));
- gboolean bWasEdit = priv->m_bEdit;
- gboolean* pEdit = static_cast<gboolean*>(task_data);
-
- if (!priv->m_bEdit && *pEdit)
- g_info("lok_doc_view_set_edit: entering edit mode");
- else if (priv->m_bEdit && !*pEdit)
- {
- g_info("lok_doc_view_set_edit: leaving edit mode");
- priv->m_pDocument->pClass->resetSelection(priv->m_pDocument);
- }
- priv->m_bEdit = *pEdit;
- g_signal_emit(pDocView, doc_view_signals[EDIT_CHANGED], 0, bWasEdit);
- gtk_widget_queue_draw(GTK_WIDGET(pDocView));
+ g_thread_pool_push(lokThreadPool, g_object_ref(task), NULL);
+ g_object_unref(task);
}
/**
@@ -1705,9 +1779,11 @@ lok_doc_view_set_edit(LOKDocView* pDocView,
gboolean bEdit)
{
GTask* task = g_task_new(pDocView, NULL, NULL, NULL);
- gboolean* pEdit = new gboolean(bEdit);
- g_task_set_task_data(task, pEdit, g_free);
- g_task_run_in_thread(task, lok_doc_view_set_edit_func);
+ LOEvent* pLOEvent = new LOEvent(LOK_SET_EDIT);
+ pLOEvent->m_bEdit = bEdit;
+ g_task_set_task_data(task, pLOEvent, g_free);
+
+ g_thread_pool_push(lokThreadPool, g_object_ref(task), NULL);
g_object_unref(task);
}
@@ -1724,27 +1800,6 @@ lok_doc_view_get_edit (LOKDocView* pDocView)
return priv->m_bEdit;
}
-struct PostCommandCallbackData
-{
- const char* m_pCommand;
- const char* m_pArguments;
-
- PostCommandCallbackData(const char* pCommand, const char* pArguments)
- : m_pCommand(pCommand),
- m_pArguments(pArguments) {}
-};
-
-static void
-lok_doc_view_post_command_func (GTask*, gpointer source_object, gpointer task_data, GCancellable*)
-{
- LOKDocView* pDocView = LOK_DOC_VIEW(source_object);
- LOKDocViewPrivate *priv = static_cast<LOKDocViewPrivate*>(lok_doc_view_get_instance_private (pDocView));
-
- PostCommandCallbackData* pCallback = static_cast<PostCommandCallbackData*>(task_data);
-
- priv->m_pDocument->pClass->postUnoCommand(priv->m_pDocument, pCallback->m_pCommand, pCallback->m_pArguments);
-}
-
/**
* lok_doc_view_post_command:
* @pDocView: the #LOKDocView instance
@@ -1755,15 +1810,15 @@ lok_doc_view_post_command_func (GTask*, gpointer source_object, gpointer task_da
*/
SAL_DLLPUBLIC_EXPORT void
lok_doc_view_post_command (LOKDocView* pDocView,
- const char* pCommand,
- const char* pArguments)
+ const gchar* pCommand,
+ const gchar* pArguments)
{
- GTask* task;
- PostCommandCallbackData* pCallback = new PostCommandCallbackData(pCommand, pArguments);
- task = g_task_new(pDocView, NULL, NULL, NULL);
- g_task_set_task_data(task, pCallback, g_free);
- g_task_run_in_thread(task, lok_doc_view_post_command_func);
+ GTask* task = g_task_new(pDocView, NULL, NULL, NULL);
+ LOEvent* pLOEvent = new LOEvent(LOK_POST_COMMAND, pCommand, pArguments);
+ g_task_set_task_data(task, pLOEvent, g_free);
+
+ g_thread_pool_push(lokThreadPool, g_object_ref(task), NULL);
g_object_unref(task);
}
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