Really really useless clipboard size data source (both flattened message size and plain text size). I should rather go to sleep than write useless code :D

git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@25014 a95241bf-73f2-0310-859d-f6bbb57e9c96

src/apps/activitymonitor/DataSource.cpp

@@ -7,6 +7,7 @@
 #include "DataSource.h"
 
 #include <stdio.h>
+#include <stdint.h>
 
 #include <OS.h>
 #include <String.h>
@@ -25,7 +26,9 @@ const DataSource* kSources[] = {
 	new CPUUsageDataSource(),
 	new CPUCombinedUsageDataSource(),
 	new NetworkUsageDataSource(true),
-	new NetworkUsageDataSource(false)
+	new NetworkUsageDataSource(false),
+	new ClipboardSizeDataSource(false),
+	new ClipboardSizeDataSource(true)
 };
 const size_t kSourcesCount = sizeof(kSources) / sizeof(kSources[0]);
 
@@ -880,3 +883,68 @@ NetworkUsageDataSource::AdaptiveScale() const
 {
 	return true;
 }
+
+
+//	#pragma mark -
+
+
+ClipboardSizeDataSource::ClipboardSizeDataSource(bool text)
+{
+	fMinimum = 0;
+	fMaximum = UINT32_MAX;
+	fText = text;
+
+	fColor = (rgb_color){0, 150, 255};
+}
+
+
+ClipboardSizeDataSource::ClipboardSizeDataSource(
+		const ClipboardSizeDataSource& other)
+	: DataSource(other)
+{
+	fText = other.fText;
+}
+
+
+ClipboardSizeDataSource::~ClipboardSizeDataSource()
+{
+}
+
+
+DataSource*
+ClipboardSizeDataSource::Copy() const
+{
+	return new ClipboardSizeDataSource(*this);
+}
+
+
+int64
+ClipboardSizeDataSource::NextValue(SystemInfo& info)
+{
+	if (fText)
+		return info.ClipboardTextSize()/* / 1024*/;
+	return info.ClipboardSize()/* / 1024*/;
+}
+
+
+const char*
+ClipboardSizeDataSource::Label() const
+{
+	return fText ? "Text Clipboard Size" : "Raw Clipboard Size";
+}
+
+
+const char*
+ClipboardSizeDataSource::Unit() const
+{
+	return "bytes"/*"KB"*/;
+}
+
+
+bool
+ClipboardSizeDataSource::AdaptiveScale() const
+{
+	return true;
+}
+
+

src/apps/activitymonitor/DataSource.h

@@ -227,4 +227,24 @@ private:
 	bigtime_t			fPreviousTime;
 };
 
+
+class ClipboardSizeDataSource : public DataSource {
+public:
+						ClipboardSizeDataSource(bool text);
+						ClipboardSizeDataSource(
+							const ClipboardSizeDataSource& other);
+	virtual				~ClipboardSizeDataSource();
+
+	virtual DataSource*	Copy() const;
+
+	virtual	int64		NextValue(SystemInfo& info);
+
+	virtual const char*	Label() const;
+	virtual const char*	Unit() const;
+	virtual bool		AdaptiveScale() const;
+
+private:
+	bool				fText;
+};
+
 #endif	// DATA_SOURCE_H

src/apps/activitymonitor/SystemInfo.cpp

@@ -19,12 +19,16 @@ SystemInfo::SystemInfo(SystemInfoHandler *handler)
 	:
 	fTime(system_time()),
 	fRetrievedNetwork(false),
-	fRunningApps(0)
+	fRunningApps(0),
+	fClipboardSize(0),
+	fClipboardTextSize(0)
 {
 	get_system_info(&fSystemInfo);
 	
 	if (handler) {
 		fRunningApps = handler->RunningApps();
+		fClipboardSize = handler->ClipboardSize();
+		fClipboardTextSize = handler->ClipboardTextSize();
 	}
 }
 
@@ -115,20 +119,6 @@ SystemInfo::MaxTeams() const
 }
 
 
-uint32
-SystemInfo::UsedRunningApps() const
-{
-	return fRunningApps;
-}
-
-
-uint32
-SystemInfo::MaxRunningApps() const
-{
-	return fSystemInfo.max_teams;
-}
-
-
 void
 SystemInfo::_RetrieveNetwork()
 {
@@ -205,3 +195,33 @@ SystemInfo::NetworkSent()
 	_RetrieveNetwork();
 	return fBytesSent;
 }
+
+
+uint32
+SystemInfo::UsedRunningApps() const
+{
+	return fRunningApps;
+}
+
+
+uint32
+SystemInfo::MaxRunningApps() const
+{
+	return fSystemInfo.max_teams;
+}
+
+
+uint32
+SystemInfo::ClipboardSize() const
+{
+	return fClipboardSize;
+}
+
+
+uint32
+SystemInfo::ClipboardTextSize() const
+{
+	return fClipboardTextSize;
+}
+
+

src/apps/activitymonitor/SystemInfo.h

@@ -32,9 +32,6 @@ public:
 			uint32		UsedTeams() const;
 			uint32		MaxTeams() const;
 
-			uint32		UsedRunningApps() const;
-			uint32		MaxRunningApps() const;
-
 			bigtime_t	Time() const { return fTime; }
 			uint32		CPUCount() const { return fSystemInfo.cpu_count; }
 			const system_info& Info() const { return fSystemInfo; }
@@ -42,6 +39,12 @@ public:
 			uint64		NetworkReceived();
 			uint64		NetworkSent();
 
+			uint32		UsedRunningApps() const;
+			uint32		MaxRunningApps() const;
+
+			uint32		ClipboardSize() const;
+			uint32		ClipboardTextSize() const;
+
 private:
 			void		_RetrieveNetwork();
 
@@ -51,6 +54,8 @@ private:
 	uint64				fBytesReceived;
 	uint64				fBytesSent;
 	uint32				fRunningApps;
+	uint32				fClipboardSize;
+	uint32				fClipboardTextSize;
 };
 
 #endif	// SYSTEM_INFO_H

src/apps/activitymonitor/SystemInfoHandler.cpp

@@ -6,6 +6,7 @@
 
 #include "SystemInfoHandler.h"
 
+#include <Clipboard.h>
 #include <Handler.h>
 #include <List.h>
 #include <Messenger.h>
@@ -39,23 +40,34 @@ void
 SystemInfoHandler::StartWatchingStuff()
 {
 	fRunningApps = 0;
+	fClipboardSize = 0;
+	fClipboardTextSize = 0;
 	
 	// running applications count
 	BList teamList;
-	be_roster->StartWatching(BMessenger(this), 
-		B_REQUEST_LAUNCHED | B_REQUEST_QUIT);
-	be_roster->GetAppList(&teamList);
-	fRunningApps = teamList.CountItems();
-	teamList.MakeEmpty();
+	if (be_roster) {
+		be_roster->StartWatching(BMessenger(this), 
+			B_REQUEST_LAUNCHED | B_REQUEST_QUIT);
+		be_roster->GetAppList(&teamList);
+		fRunningApps = teamList.CountItems();
+		teamList.MakeEmpty();
+	}
 
-	// 
+	// useless clipboard size
+	if (be_clipboard) {
+		be_clipboard->StartWatching(BMessenger(this));
+		_UpdateClipboardData();
+	}
 }
 
 
 void
 SystemInfoHandler::StopWatchingStuff()
 {
-	be_roster->StopWatching(BMessenger(this));
+	if (be_roster)
+		be_roster->StopWatching(BMessenger(this));
+	if (be_clipboard)
+		be_clipboard->StopWatching(BMessenger(this));
 }
 
 
@@ -71,6 +83,9 @@ SystemInfoHandler::MessageReceived(BMessage *message)
 		fRunningApps--;
 		// XXX: maybe resync periodically in case we miss one
 		break;
+	case B_CLIPBOARD_CHANGED:
+		_UpdateClipboardData();
+		break;
 	default:
 		BHandler::MessageReceived(message);
 	}
@@ -83,3 +98,38 @@ SystemInfoHandler::RunningApps() const
 	return fRunningApps;
 }
 
+
+uint32
+SystemInfoHandler::ClipboardSize() const
+{
+	return fClipboardSize;
+}
+
+
+uint32
+SystemInfoHandler::ClipboardTextSize() const
+{
+	return fClipboardTextSize;
+}
+
+
+void
+SystemInfoHandler::_UpdateClipboardData()
+{
+	fClipboardSize = 0;
+	fClipboardTextSize = 0;
+	if (be_clipboard && be_clipboard->Lock()) {
+		BMessage *data = be_clipboard->Data();
+		if (data) {
+			ssize_t size = data->FlattenedSize();
+			const void *text;
+			ssize_t textSize;
+			fClipboardSize = (size < 0) ? 0 : (uint32)size;
+			if (data->FindData("text/plain", B_MIME_TYPE, &text, &textSize) 
+				>= B_OK)
+				fClipboardTextSize = textSize;
+		}
+		be_clipboard->Unlock();
+	}
+}
+

src/apps/activitymonitor/SystemInfoHandler.h

@@ -24,10 +24,15 @@ public:
 			void		MessageReceived(BMessage *message);
 
 			uint32		RunningApps() const;
+			uint32		ClipboardSize() const;
+			uint32		ClipboardTextSize() const;
 
 private:
+			void		_UpdateClipboardData();
 
 	uint32				fRunningApps;
+	uint32				fClipboardSize;
+	uint32				fClipboardTextSize;
 };
 
 #endif	// SYSTEM_INFO_HANDLER_H