i2p/haiku-beta6
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* improved error and cancellation handling

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* only enable Begin button when a menu item has been chosen


git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@27051 a95241bf-73f2-0310-859d-f6bbb57e9c96
This commit is contained in:
Jérôme Duval
2008-08-18 21:48:02 +00:00
parent e210364f75
commit 5d6a2a65da
3 changed files with 43 additions and 54 deletions
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src/apps/installer/CopyEngine.cpp
+38 -50
View File
@@ -72,15 +72,7 @@ CopyEngine::MessageReceived(BMessage*msg)
switch (msg->what) {
case ENGINE_START:
{
status_t err = Start(fWindow->GetSourceMenu(),
fWindow->GetTargetMenu());
if (err != B_OK) {
ERR("Start failed");
SetStatusMessage("Installation aborted.");
BMessenger(fWindow).SendMessage(RESET_INSTALL);
} else {
BMessenger(fWindow).SendMessage(INSTALL_FINISHED);
}
Start(fWindow->GetSourceMenu(), fWindow->GetTargetMenu());
break;
}
}
@@ -124,45 +116,46 @@ CopyEngine::LaunchFinishScript(BPath &path)
}
status_t
void
CopyEngine::Start(BMenu *srcMenu, BMenu *targetMenu)
{
CALLED();
BPath targetDirectory, srcDirectory;
BDirectory targetDir, srcDir;
BDiskDevice device;
BPartition *partition;
BVolume targetVolume;
status_t err = B_OK;
fControl->Reset();
status_t err = B_OK;
PartitionMenuItem *targetItem = (PartitionMenuItem *)targetMenu->FindMarked();
PartitionMenuItem *srcItem = (PartitionMenuItem *)srcMenu->FindMarked();
if (!srcItem || !targetItem) {
ERR("bad menu items\n");
return B_BAD_VALUE;
goto error;
}
// check if target is initialized
// ask if init or mount as is
BPath targetDirectory;
BDiskDevice device;
BPartition *partition;
BVolume targetVolume;
if (fDDRoster.GetPartitionWithID(targetItem->ID(), &device, &partition) == B_OK) {
if (!partition->IsMounted()) {
if ((err = partition->Mount()) < B_OK) {
SetStatusMessage("The disk can't be mounted. Please choose a "
"different disk.");
ERR("BPartition::Mount");
return err;
goto error;
}
}
if ((err = partition->GetVolume(&targetVolume)) != B_OK) {
ERR("BPartition::GetVolume");
return err;
goto error;
}
if ((err = partition->GetMountPoint(&targetDirectory)) != B_OK) {
ERR("BPartition::GetMountPoint");
return err;
goto error;
}
} else if (fDDRoster.GetDeviceWithID(targetItem->ID(), &device) == B_OK) {
if (!device.IsMounted()) {
@@ -170,19 +163,19 @@ CopyEngine::Start(BMenu *srcMenu, BMenu *targetMenu)
SetStatusMessage("The disk can't be mounted. Please choose a "
"different disk.");
ERR("BDiskDevice::Mount");
return err;
goto error;
}
}
if ((err = device.GetVolume(&targetVolume)) != B_OK) {
ERR("BDiskDevice::GetVolume");
return err;
goto error;
}
if ((err = device.GetMountPoint(&targetDirectory)) != B_OK) {
ERR("BDiskDevice::GetMountPoint");
return err;
goto error;
}
} else
return B_ERROR; // shouldn't happen
goto error; // shouldn't happen
// check if target has enough space
if ((fSpaceRequired > 0 && targetVolume.FreeBytes() < fSpaceRequired)
@@ -190,30 +183,27 @@ CopyEngine::Start(BMenu *srcMenu, BMenu *targetMenu)
"Try choosing a different disk or choose to not install optional "
"items.", "Try installing anyway", "Cancel", 0,
B_WIDTH_AS_USUAL, B_STOP_ALERT))->Go() != 0)) {
BMessenger(fWindow).SendMessage(RESET_INSTALL);
return B_OK;
goto error;
}
BPath srcDirectory;
if (fDDRoster.GetPartitionWithID(srcItem->ID(), &device, &partition) == B_OK) {
if ((err = partition->GetMountPoint(&srcDirectory)) != B_OK) {
ERR("BPartition::GetMountPoint");
return err;
goto error;
}
} else if (fDDRoster.GetDeviceWithID(srcItem->ID(), &device) == B_OK) {
if ((err = device.GetMountPoint(&srcDirectory)) != B_OK) {
ERR("BDiskDevice::GetMountPoint");
return err;
goto error;
}
} else
return B_ERROR; // shouldn't happen
goto error; // shouldn't happen
// check not installing on itself
if (strcmp(srcDirectory.Path(), targetDirectory.Path()) == 0) {
SetStatusMessage("You can't install the contents of a disk onto "
"itself. Please choose a different disk.");
BMessenger(fWindow).SendMessage(RESET_INSTALL);
return B_OK;
goto error;
}
// check not installing on boot volume
@@ -223,19 +213,18 @@ CopyEngine::Start(BMenu *srcMenu, BMenu *targetMenu)
"machine if you proceed.", "OK", "Cancel", 0,
B_WIDTH_AS_USUAL, B_STOP_ALERT))->Go() != 0)) {
SetStatusMessage("Installation stopped.");
BMessenger(fWindow).SendMessage(RESET_INSTALL);
return B_OK;
goto error;
}
LaunchInitScript(targetDirectory);
// copy source volume
BDirectory targetDir(targetDirectory.Path());
BDirectory srcDir(srcDirectory.Path());
targetDir.SetTo(targetDirectory.Path());
srcDir.SetTo(srcDirectory.Path());
err = CopyFolder(srcDir, targetDir);
if (err != B_OK)
return err;
if (err != B_OK || fControl->CheckUserCanceled())
goto error;
// copy selected packages
if (fPackages) {
@@ -244,25 +233,24 @@ CopyEngine::Start(BMenu *srcMenu, BMenu *targetMenu)
BDirectory packageDir;
int32 count = fPackages->CountItems();
for (int32 i = 0; i < count; i++) {
if (fControl->CheckUserCanceled())
return B_CANCELED;
Package *p = static_cast<Package*>(fPackages->ItemAt(i));
packageDir.SetTo(&srcDir, p->Folder());
err = CopyFolder(packageDir, targetDir);
if (err != B_OK)
break;
if (err != B_OK || fControl->CheckUserCanceled())
goto error;
}
}
if (err != B_OK)
return err;
if (fControl->CheckUserCanceled())
return B_CANCELED;
LaunchFinishScript(targetDirectory);
return B_OK;
BMessenger(fWindow).SendMessage(INSTALL_FINISHED);
return;
error:
if (err == B_CANCELED || fControl->CheckUserCanceled())
SetStatusMessage("Installation canceled.");
ERR("Start failed");
BMessenger(fWindow).SendMessage(RESET_INSTALL);
}