Notification preflet and server changes

Remove unneeded classes from preflet jamfile
Fix some notification layout and bold text issues

src/preferences/notifications/AppRefFilter.h

@@ -2,8 +2,8 @@
  * Copyright 2017, Haiku, Inc. All Rights Reserved.
  * Distributed under the terms of the MIT License.
  */
-#ifndef EP_APPREFFILTER_H
-#define EP_APPREFFILTER_H
+#ifndef _APP_REF_FILTER_H
+#define _APP_REF_FILTER_H
 
 #include <FilePanel.h>
 #include <NodeInfo.h>
@@ -18,4 +18,4 @@ public:
 							const char *filetype);
 };
 
-#endif
+#endif // _APP_REF_FILTER_H

src/preferences/notifications/Jamfile

@@ -12,8 +12,6 @@ Application Notifications :
 	SettingsPane.cpp
 	GeneralView.cpp
 	NotificationsView.cpp
-	../../servers/notification/NotificationView.cpp
-	../../servers/notification/AppGroupView.cpp
 	: be translation tracker libcolumnlistview.a libnotification.a [ TargetLibstdc++ ] localestub
 	: Notifications.rdef
 ;

src/servers/notification/AppGroupView.cpp

@@ -38,7 +38,7 @@ AppGroupView::AppGroupView(const BMessenger& messenger, const char* label)
 {
 	SetFlags(Flags() | B_WILL_DRAW);
 
-	fHeaderSize = be_plain_font->Size()
+	fHeaderSize = be_bold_font->Size()
 		+ be_control_look->ComposeSpacing(B_USE_ITEM_SPACING);
 	static_cast<BGroupLayout*>(GetLayout())->SetInsets(0, fHeaderSize, 0, 0);
 }
@@ -92,9 +92,7 @@ AppGroupView::Draw(BRect updateRect)
 	if (fCollapsed)
 		label << " (" << fInfo.size() << ")";
 
-	BFont boldFont(be_plain_font);
-	boldFont.SetFace(B_BOLD_FACE);
-	SetFont(&boldFont);
+	SetFont(be_bold_font);
 	font_height fontHeight;
 	GetFontHeight(&fontHeight);
 	float y = (bounds.top + bounds.bottom - ceilf(fontHeight.ascent)

src/servers/notification/NotificationView.cpp

@@ -457,10 +457,8 @@ NotificationView::SetText(float newMaxWidth)
 	else
 		iconRight += 32;
 
-	BFont boldFont(be_plain_font);
-	boldFont.SetFace(B_BOLD_FACE);
 	font_height fh;
-	boldFont.GetHeight(&fh);
+	be_bold_font->GetHeight(&fh);
 	float fontHeight = ceilf(fh.leading) + ceilf(fh.descent)
 		+ ceilf(fh.ascent);
 	float y = fontHeight + kEdgePadding * 2;
@@ -468,7 +466,7 @@ NotificationView::SetText(float newMaxWidth)
 	// Title
 	LineInfo* titleLine = new LineInfo;
 	titleLine->text = fNotification->Title();
-	titleLine->font = boldFont;
+	titleLine->font = *be_bold_font;
 
 	titleLine->location = BPoint(iconRight + kEdgePadding, y);