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The DataEditor class is now subclasses from BLocker instead of aggregating

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it. This way, it can directly be used in the BAutolock class, and also provides
some more sophisticated locking functions.


git-svn-id: file:///srv/svn/repos/haiku/trunk/current@6621 a95241bf-73f2-0310-859d-f6bbb57e9c96
This commit is contained in:
Axel Dörfler 2004-02-18 02:31:48 +00:00
parent 8e900a6933
commit f7efc8f447
2 changed files with 13 additions and 36 deletions
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42
src/apps/diskprobe/DataEditor.cpp
View File

@ -136,31 +136,27 @@ ReplaceChange::Revert(off_t bufferOffset, uint8 *buffer, size_t bufferSize)
DataEditor::DataEditor()
:
fLock("data view")
: BLocker("data view")
{
}
DataEditor::DataEditor(entry_ref &ref, const char *attribute)
:
fLock("data view")
: BLocker("data view")
{
SetTo(ref, attribute);
}
DataEditor::DataEditor(BEntry &entry, const char *attribute)
:
fLock("data view")
: BLocker("data view")
{
SetTo(entry, attribute);
}
DataEditor::DataEditor(const DataEditor &editor)
:
fLock("data view")
: BLocker("data view")
{
}
@ -290,7 +286,7 @@ DataEditor::AddChange(DataChange *change)
status_t
DataEditor::Replace(off_t offset, const uint8 *data, size_t length)
{
if (!fLock.IsLocked())
if (!IsLocked())
debugger("DataEditor: view not locked");
if (fNeedsUpdate) {
@ -309,7 +305,7 @@ DataEditor::Replace(off_t offset, const uint8 *data, size_t length)
status_t
DataEditor::Remove(off_t offset, off_t length)
{
if (!fLock.IsLocked())
if (!IsLocked())
debugger("DataEditor: view not locked");
// not yet implemented
@ -321,7 +317,7 @@ DataEditor::Remove(off_t offset, off_t length)
status_t
DataEditor::Insert(off_t offset, const uint8 *text, size_t length)
{
if (!fLock.IsLocked())
if (!IsLocked())
debugger("DataEditor: view not locked");
// not yet implemented
@ -369,7 +365,7 @@ DataEditor::RemoveRedos()
status_t
DataEditor::Undo()
{
BAutolock locker(fLock);
BAutolock locker(this);
if (!CanUndo())
return B_ERROR;
@ -389,7 +385,7 @@ DataEditor::Undo()
status_t
DataEditor::Redo()
{
BAutolock locker(fLock);
BAutolock locker(this);
if (!CanRedo())
return B_ERROR;
@ -490,7 +486,7 @@ DataEditor::Update()
status_t
DataEditor::GetViewBuffer(const uint8 **_buffer)
{
if (!fLock.IsLocked())
if (!IsLocked())
debugger("DataEditor: view not locked");
status_t status = B_OK;
@ -509,20 +505,6 @@ DataEditor::GetViewBuffer(const uint8 **_buffer)
}
bool
DataEditor::Lock()
{
return fLock.Lock();
}
void
DataEditor::Unlock()
{
fLock.Unlock();
}
void
DataEditor::SendNotices(uint32 what, BMessage *message)
{
@ -551,7 +533,7 @@ DataEditor::SendNotices(uint32 what, BMessage *message)
status_t
DataEditor::StartWatching(BMessenger target)
{
BAutolock locker(fLock);
BAutolock locker(this);
node_ref node;
status_t status = fFile.GetNodeRef(&node);
@ -574,7 +556,7 @@ DataEditor::StartWatching(BHandler *handler, BLooper *looper)
void
DataEditor::StopWatching(BMessenger target)
{
BAutolock locker(fLock);
BAutolock locker(this);
for (int32 i = fObservers.CountItems(); i-- > 0;) {
BMessenger *messenger = fObservers.ItemAt(i);

7
src/apps/diskprobe/DataEditor.h
View File

@ -14,7 +14,7 @@
class DataChange;
class DataEditor {
class DataEditor : public BLocker {
public:
DataEditor();
DataEditor(entry_ref &ref, const char *attribute = NULL);
@ -63,10 +63,6 @@ class DataEditor {
status_t GetViewBuffer(const uint8 **_buffer);
BLocker &Locker() { return fLock; }
bool Lock();
void Unlock();
status_t StartWatching(BMessenger target);
status_t StartWatching(BHandler *handler, BLooper *looper = NULL);
void StopWatching(BMessenger target);
@ -92,7 +88,6 @@ class DataEditor {
DataChange *fFirstChange;
DataChange *fLastChange;
BLocker fLock;
uint8 *fView;
off_t fRealViewOffset, fViewOffset;
size_t fRealViewSize, fViewSize;