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People: open files in READ_WRITE mode only when necessary. (#5791)

This commit is contained in:
Philippe Saint-Pierre 2013-06-22 19:46:40 -04:00
parent b1975a590f
commit a09c983cc6
2 changed files with 29 additions and 17 deletions
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44
src/apps/people/PersonView.cpp
View File

@ -55,10 +55,10 @@ PersonView::PersonView(const char* name, const char* categoryAttribute,
SetName(name);
SetFlags(Flags() | B_WILL_DRAW);
if (ref)
fFile = new BFile(ref, O_RDWR);
else
fFile = NULL;
fRef = ref;
BFile* file = NULL;
if (fRef != NULL)
file = new BFile(fRef, B_READ_ONLY);
float spacing = be_control_look->DefaultItemSpacing();
BGridLayout* layout = GridLayout();
@ -71,14 +71,14 @@ PersonView::PersonView(const char* name, const char* categoryAttribute,
layout->ItemAt(0, 0)->SetExplicitAlignment(
BAlignment(B_ALIGN_CENTER, B_ALIGN_TOP));
if (fFile)
fFile->GetModificationTime(&fLastModificationTime);
if (file != NULL)
file->GetModificationTime(&fLastModificationTime);
delete file;
}
PersonView::~PersonView()
{
delete fFile;
}
@ -269,8 +269,7 @@ PersonView::BuildGroupMenu()
void
PersonView::CreateFile(const entry_ref* ref)
{
delete fFile;
fFile = new BFile(ref, B_READ_WRITE);
fRef = ref;
Save();
}
@ -293,13 +292,19 @@ PersonView::IsSaved() const
void
PersonView::Save()
{
BFile* file = new(std::nothrow) BFile(fRef, B_READ_WRITE);
if (file == NULL || file->InitCheck() != B_NO_ERROR) {
delete file;
return;
}
fSaving = true;
int32 count = fControls.CountItems();
for (int32 i = 0; i < count; i++) {
AttributeTextControl* control = fControls.ItemAt(i);
const char* value = control->Text();
fFile->WriteAttr(control->Attribute().String(), B_STRING_TYPE, 0,
file->WriteAttr(control->Attribute().String(), B_STRING_TYPE, 0,
value, strlen(value) + 1);
control->Update();
}
@ -307,8 +312,8 @@ PersonView::Save()
// Write the picture, if any, in the person file content
if (fPictureView) {
// Trim any previous content
fFile->Seek(0, SEEK_SET);
fFile->SetSize(0);
file->Seek(0, SEEK_SET);
file->SetSize(0);
BBitmap* picture = fPictureView->Bitmap();
if (picture) {
@ -318,7 +323,7 @@ PersonView::Save()
stream.DetachBitmap(&picture);
BTranslatorRoster* roster = BTranslatorRoster::Default();
roster->Translate(&stream, NULL, NULL, fFile,
roster->Translate(&stream, NULL, NULL, file,
fPictureView->SuggestedType(), B_TRANSLATOR_BITMAP,
fPictureView->SuggestedMIMEType());
@ -327,9 +332,10 @@ PersonView::Save()
fPictureView->Update();
}
fFile->GetModificationTime(&fLastModificationTime);
file->GetModificationTime(&fLastModificationTime);
fSaving = false;
delete file;
}
@ -350,14 +356,20 @@ PersonView::SetAttribute(const char* attribute, bool update)
{
char* value = NULL;
attr_info info;
if (fFile != NULL && fFile->GetAttrInfo(attribute, &info) == B_OK) {
BFile* file = NULL;
if (fRef != NULL)
file = new(std::nothrow) BFile(fRef, B_READ_ONLY);
if (file != NULL && file->GetAttrInfo(attribute, &info) == B_OK) {
value = (char*)calloc(info.size, 1);
fFile->ReadAttr(attribute, B_STRING_TYPE, 0, value, info.size);
file->ReadAttr(attribute, B_STRING_TYPE, 0, value, info.size);
}
SetAttribute(attribute, value, update);
free(value);
delete file;
}

2
src/apps/people/PersonView.h
View File

@ -62,7 +62,7 @@ public:
bool IsTextSelected() const;
private:
BFile* fFile;
const entry_ref* fRef;
time_t fLastModificationTime;
BPopUpMenu* fGroups;
typedef BObjectList<AttributeTextControl> AttributeList;