Files
WPinternals/ViewModels/LumiaFlashRomViewModel.cs
T
Gustave Monce a2a1c2302b Code cleanup
2019-12-22 12:25:48 +01:00

736 lines
37 KiB
C#

// Copyright (c) 2018, Rene Lergner - wpinternals.net - @Heathcliff74xda
//
// Permission is hereby granted, free of charge, to any person obtaining a
// copy of this software and associated documentation files (the "Software"),
// to deal in the Software without restriction, including without limitation
// the rights to use, copy, modify, merge, publish, distribute, sublicense,
// and/or sell copies of the Software, and to permit persons to whom the
// Software is furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
// DEALINGS IN THE SOFTWARE.
using System;
using System.Collections.Generic;
using System.IO;
using System.IO.Compression;
using System.Linq;
using System.Threading;
using System.Threading.Tasks;
namespace WPinternals
{
internal class LumiaFlashRomViewModel : ContextViewModel
{
private PhoneNotifierViewModel PhoneNotifier;
internal Action SwitchToUnlockBoot;
internal Action SwitchToUnlockRoot;
internal Action SwitchToDumpFFU;
internal Action SwitchToBackup;
private Action Callback;
internal LumiaFlashRomViewModel(PhoneNotifierViewModel PhoneNotifier, Action SwitchToUnlockBoot, Action SwitchToUnlockRoot, Action SwitchToDumpFFU, Action SwitchToBackup, Action Callback)
: base()
{
IsSwitchingInterface = false;
IsFlashModeOperation = true;
this.PhoneNotifier = PhoneNotifier;
this.SwitchToUnlockBoot = SwitchToUnlockBoot;
this.SwitchToUnlockRoot = SwitchToUnlockRoot;
this.SwitchToDumpFFU = SwitchToDumpFFU;
this.SwitchToBackup = SwitchToBackup;
this.Callback = Callback;
}
internal override void EvaluateViewState()
{
if (!IsActive)
return;
if (SubContextViewModel == null)
ActivateSubContext(new LumiaFlashRomSourceSelectionViewModel(PhoneNotifier, SwitchToUnlockBoot, SwitchToUnlockRoot, SwitchToDumpFFU, SwitchToBackup, FlashPartitions, FlashArchive, FlashFFU, FlashMMOS));
}
// Called from an event-handler. So, "async void" is valid here.
internal async void FlashPartitions(string EFIESPPath, string MainOSPath, string DataPath)
{
IsSwitchingInterface = true; // Prevents that a device is forced to Flash mode on this screen which is meant for flashing
try
{
await SwitchModeViewModel.SwitchToWithProgress(PhoneNotifier, PhoneInterfaces.Lumia_Flash,
(msg, sub) =>
ActivateSubContext(new BusyViewModel(msg, sub)));
if (((NokiaFlashModel)PhoneNotifier.CurrentModel).ReadPhoneInfo(ExtendedInfo: false).FlashAppProtocolVersionMajor < 2)
FlashPartitionsTask(EFIESPPath, MainOSPath, DataPath);
else
await Task.Run(async () => await LumiaV2UnlockBootViewModel.LumiaV2FlashPartitions(PhoneNotifier, EFIESPPath, MainOSPath, DataPath, SetWorkingStatus, UpdateWorkingStatus, ExitSuccess, ExitFailure));
}
catch (Exception Ex)
{
ActivateSubContext(new MessageViewModel(Ex.Message, Callback));
}
}
internal void FlashPartitionsTask(string EFIESPPath, string MainOSPath, string DataPath)
{
new Thread(() =>
{
bool Result = true;
ActivateSubContext(new BusyViewModel("Initializing flash..."));
NokiaFlashModel Phone = (NokiaFlashModel)PhoneNotifier.CurrentModel;
GPT GPT = Phone.ReadGPT();
ulong TotalSizeSectors = 0;
int PartitionCount = 0;
ulong MainOSOldSectorCount = 0;
ulong MainOSNewSectorCount = 0;
ulong DataOldSectorCount = 0;
ulong DataNewSectorCount = 0;
ulong FirstMainOSSector = 0;
try
{
if (EFIESPPath != null)
{
using (Stream Stream = new DecompressedStream(File.Open(EFIESPPath, FileMode.Open)))
{
ulong StreamLengthInSectors = (ulong)Stream.Length / 0x200;
TotalSizeSectors += StreamLengthInSectors;
PartitionCount++;
Partition Partition = GPT.Partitions.Where(p => string.Compare(p.Name, "EFIESP", true) == 0).FirstOrDefault();
if (StreamLengthInSectors > Partition.SizeInSectors)
{
LogFile.Log("Flash failed! Size of partition 'EFIESP' is too big.");
ExitFailure("Flash failed!", "Size of partition 'EFIESP' is too big.");
return;
}
}
}
if (MainOSPath != null)
{
using (Stream Stream = new DecompressedStream(File.Open(MainOSPath, FileMode.Open)))
{
ulong StreamLengthInSectors = (ulong)Stream.Length / 0x200;
TotalSizeSectors += StreamLengthInSectors;
PartitionCount++;
Partition Partition = GPT.Partitions.Where(p => string.Compare(p.Name, "MainOS", true) == 0).FirstOrDefault();
MainOSOldSectorCount = Partition.SizeInSectors;
MainOSNewSectorCount = StreamLengthInSectors;
FirstMainOSSector = Partition.FirstSector;
}
}
if (DataPath != null)
{
using (Stream Stream = new DecompressedStream(File.Open(DataPath, FileMode.Open)))
{
ulong StreamLengthInSectors = (ulong)Stream.Length / 0x200;
TotalSizeSectors += StreamLengthInSectors;
PartitionCount++;
Partition Partition = GPT.Partitions.Where(p => string.Compare(p.Name, "Data", true) == 0).FirstOrDefault();
DataOldSectorCount = Partition.SizeInSectors;
DataNewSectorCount = StreamLengthInSectors;
}
}
}
catch (Exception Ex)
{
LogFile.LogException(Ex);
Result = false;
}
if ((MainOSNewSectorCount > 0) && (DataNewSectorCount > 0))
{
if ((MainOSNewSectorCount > MainOSOldSectorCount) || (DataNewSectorCount > DataOldSectorCount))
{
UInt64 OSSpace = GPT.LastUsableSector - FirstMainOSSector + 1;
if ((MainOSNewSectorCount + DataNewSectorCount) <= OSSpace)
{
// MainOS and Data partitions need to be re-aligned!
Partition MainOSPartition = GPT.Partitions.Where(p => string.Compare(p.Name, "MainOS", true) == 0).Single();
Partition DataPartition = GPT.Partitions.Where(p => string.Compare(p.Name, "Data", true) == 0).Single();
MainOSPartition.LastSector = MainOSPartition.FirstSector + MainOSNewSectorCount - 1;
DataPartition.FirstSector = MainOSPartition.LastSector + 1;
DataPartition.LastSector = DataPartition.FirstSector + DataNewSectorCount - 1;
Phone.WriteGPT(GPT);
}
else
{
LogFile.Log("Flash failed! Size of partitions 'MainOS' and 'Data' together are too big.");
ExitFailure("Flash failed!", "Sizes of partitions 'MainOS' and 'Data' together are too big.");
return;
}
}
}
else if ((MainOSNewSectorCount > 0) && (MainOSNewSectorCount > MainOSOldSectorCount))
{
LogFile.Log("Flash failed! Size of partition 'MainOS' is too big.");
ExitFailure("Flash failed!", "Size of partition 'MainOS' is too big.");
return;
}
else if ((DataNewSectorCount > 0) && (DataNewSectorCount > DataOldSectorCount))
{
LogFile.Log("Flash failed! Size of partition 'Data' is too big.");
ExitFailure("Flash failed!", "Size of partition 'Data' together is too big.");
return;
}
BusyViewModel Busy = new BusyViewModel("Flashing...", MaxProgressValue: TotalSizeSectors, UIContext: UIContext);
ProgressUpdater Updater = Busy.ProgressUpdater;
ActivateSubContext(Busy);
int i = 0;
if (Result)
{
try
{
if (EFIESPPath != null)
{
i++;
Busy.Message = "Flashing partition EFIESP (" + i.ToString() + @"/" + PartitionCount.ToString() + ")";
Phone.FlashRawPartition(EFIESPPath, "EFIESP", Updater);
}
}
catch (Exception Ex)
{
LogFile.LogException(Ex);
Result = false;
}
}
if (Result)
{
try
{
if (MainOSPath != null)
{
i++;
Busy.Message = "Flashing partition MainOS (" + i.ToString() + @"/" + PartitionCount.ToString() + ")";
Phone.FlashRawPartition(MainOSPath, "MainOS", Updater);
}
}
catch (Exception Ex)
{
LogFile.LogException(Ex);
Result = false;
}
}
if (Result)
{
try
{
if (DataPath != null)
{
i++;
Busy.Message = "Flashing partition Data (" + i.ToString() + @"/" + PartitionCount.ToString() + ")";
Phone.FlashRawPartition(DataPath, "Data", Updater);
}
}
catch (Exception Ex)
{
LogFile.LogException(Ex);
Result = false;
}
}
if (!Result)
{
ExitFailure("Flash failed!", null);
return;
}
ExitSuccess("Flash successful! Make sure you disable Windows Update on the phone!", null);
}).Start();
}
// Called from an event-handler. So, "async void" is valid here.
internal async void FlashArchive(string ArchivePath)
{
IsSwitchingInterface = true; // Prevents that a device is forced to Flash mode on this screen which is meant for flashing
try
{
await SwitchModeViewModel.SwitchToWithProgress(PhoneNotifier, PhoneInterfaces.Lumia_Flash,
(msg, sub) =>
ActivateSubContext(new BusyViewModel(msg, sub)));
if (((NokiaFlashModel)PhoneNotifier.CurrentModel).ReadPhoneInfo(ExtendedInfo: false).FlashAppProtocolVersionMajor < 2)
FlashArchiveTask(ArchivePath);
else
await Task.Run(async () => await LumiaV2UnlockBootViewModel.LumiaV2FlashArchive(PhoneNotifier, ArchivePath, SetWorkingStatus, UpdateWorkingStatus, ExitSuccess, ExitFailure));
}
catch (Exception Ex)
{
ActivateSubContext(new MessageViewModel(Ex.Message, Callback));
}
}
internal void FlashArchiveTask(string ArchivePath)
{
new Thread(() =>
{
ActivateSubContext(new BusyViewModel("Initializing flash..."));
NokiaFlashModel Phone = (NokiaFlashModel)PhoneNotifier.CurrentModel;
ulong TotalSizeSectors = 0;
int PartitionCount = 0;
ulong MainOSOldSectorCount = 0;
ulong MainOSNewSectorCount = 0;
ulong DataOldSectorCount = 0;
ulong DataNewSectorCount = 0;
ulong FirstMainOSSector = 0;
bool GPTChanged = false;
try
{
GPT GPT = Phone.ReadGPT();
using (FileStream FileStream = new FileStream(ArchivePath, FileMode.Open))
{
using (ZipArchive Archive = new ZipArchive(FileStream, ZipArchiveMode.Read))
{
foreach (ZipArchiveEntry Entry in Archive.Entries)
{
// Determine if there is a partition layout present
ZipArchiveEntry PartitionEntry = Archive.GetEntry("Partitions.xml");
if (PartitionEntry == null)
{
GPT.MergePartitions(null, false, Archive);
GPTChanged |= GPT.HasChanged;
}
else
{
using (Stream ZipStream = PartitionEntry.Open())
{
using (StreamReader ZipReader = new StreamReader(ZipStream))
{
string PartitionXml = ZipReader.ReadToEnd();
GPT.MergePartitions(PartitionXml, false, Archive);
GPTChanged |= GPT.HasChanged;
}
}
}
// First determine if we need a new GPT!
if (!Entry.FullName.Contains("/")) // No subfolders
{
string PartitionName = System.IO.Path.GetFileNameWithoutExtension(Entry.Name);
int P = PartitionName.IndexOf('.');
if (P >= 0)
PartitionName = PartitionName.Substring(0, P); // Example: Data.bin.gz -> Data
Partition Partition = GPT.Partitions.Where(p => string.Compare(p.Name, PartitionName, true) == 0).FirstOrDefault();
if (Partition != null)
{
DecompressedStream DecompressedStream = new DecompressedStream(Entry.Open());
ulong StreamLengthInSectors = (ulong)Entry.Length / 0x200;
try
{
StreamLengthInSectors = (ulong)DecompressedStream.Length / 0x200;
}
catch { }
TotalSizeSectors += StreamLengthInSectors;
PartitionCount++;
if (string.Compare(PartitionName, "MainOS", true) == 0)
{
MainOSOldSectorCount = Partition.SizeInSectors;
MainOSNewSectorCount = StreamLengthInSectors;
FirstMainOSSector = Partition.FirstSector;
}
else if (string.Compare(PartitionName, "Data", true) == 0)
{
DataOldSectorCount = Partition.SizeInSectors;
DataNewSectorCount = StreamLengthInSectors;
}
else if (StreamLengthInSectors > Partition.SizeInSectors)
{
LogFile.Log("Flash failed! Size of partition '" + PartitionName + "' is too big.");
ExitFailure("Flash failed!", "Size of partition '" + PartitionName + "' is too big.");
return;
}
}
}
}
if ((MainOSNewSectorCount > 0) && (DataNewSectorCount > 0))
{
if ((MainOSNewSectorCount > MainOSOldSectorCount) || (DataNewSectorCount > DataOldSectorCount))
{
UInt64 OSSpace = GPT.LastUsableSector - FirstMainOSSector + 1;
if ((MainOSNewSectorCount + DataNewSectorCount) <= OSSpace)
{
// MainOS and Data partitions need to be re-aligned!
Partition MainOSPartition = GPT.Partitions.Where(p => string.Compare(p.Name, "MainOS", true) == 0).Single();
Partition DataPartition = GPT.Partitions.Where(p => string.Compare(p.Name, "Data", true) == 0).Single();
MainOSPartition.LastSector = MainOSPartition.FirstSector + MainOSNewSectorCount - 1;
DataPartition.FirstSector = MainOSPartition.LastSector + 1;
DataPartition.LastSector = DataPartition.FirstSector + DataNewSectorCount - 1;
GPTChanged = true;
}
else
{
LogFile.Log("Flash failed! Size of partitions 'MainOS' and 'Data' together are too big.");
ExitFailure("Flash failed!", "Sizes of partitions 'MainOS' and 'Data' together are too big.");
return;
}
}
}
else if ((MainOSNewSectorCount > 0) && (MainOSNewSectorCount > MainOSOldSectorCount))
{
LogFile.Log("Flash failed! Size of partition 'MainOS' is too big.");
ExitFailure("Flash failed!", "Size of partition 'MainOS' is too big.");
return;
}
else if ((DataNewSectorCount > 0) && (DataNewSectorCount > DataOldSectorCount))
{
LogFile.Log("Flash failed! Size of partition 'Data' is too big.");
ExitFailure("Flash failed!", "Size of partition 'Data' is too big.");
return;
}
if (GPTChanged)
Phone.WriteGPT(GPT);
if (PartitionCount > 0)
{
BusyViewModel Busy = new BusyViewModel("Flashing...", MaxProgressValue: TotalSizeSectors, UIContext: UIContext);
ProgressUpdater Updater = Busy.ProgressUpdater;
ActivateSubContext(Busy);
int i = 0;
foreach (ZipArchiveEntry Entry in Archive.Entries)
{
// "MainOS.bin.gz" => "MainOS"
string PartitionName = Entry.Name;
int Pos = PartitionName.IndexOf('.');
if (Pos >= 0)
PartitionName = PartitionName.Substring(0, Pos);
Partition Partition = GPT.Partitions.Where(p => string.Compare(p.Name, PartitionName, true) == 0).FirstOrDefault();
if (Partition != null)
{
Stream DecompressedStream = new DecompressedStream(Entry.Open());
ulong StreamLengthInSectors = (ulong)Entry.Length / 0x200;
try
{
StreamLengthInSectors = (ulong)DecompressedStream.Length / 0x200;
}
catch { }
if (StreamLengthInSectors <= Partition.SizeInSectors)
{
i++;
Busy.Message = "Flashing partition " + Partition.Name + " (" + i.ToString() + @"/" + PartitionCount.ToString() + ")";
Phone.FlashRawPartition(DecompressedStream, Partition.Name, Updater);
}
DecompressedStream.Close();
}
}
}
else
{
LogFile.Log("Flash failed! No valid partitions found in the archive.");
ExitFailure("Flash failed!", "No valid partitions found in the archive");
return;
}
}
}
}
catch (Exception Ex)
{
LogFile.LogException(Ex);
if (Ex is WPinternalsException)
{
ExitFailure("Flash failed!", ((WPinternalsException)Ex).SubMessage);
}
else
ExitFailure("Flash failed!", null);
return;
}
ExitSuccess("Flash successful! Make sure you disable Windows Update on the phone!", null);
}).Start();
}
// Called from an event-handler. So, "async void" is valid here.
internal async void FlashFFU(string FFUPath)
{
IsSwitchingInterface = true; // Prevents that a device is forced to Flash mode on this screen which is meant for flashing
try
{
await SwitchModeViewModel.SwitchToWithProgress(PhoneNotifier, PhoneInterfaces.Lumia_Flash,
(msg, sub) =>
ActivateSubContext(new BusyViewModel(msg, sub)));
FlashFFUTask(FFUPath);
}
catch (Exception Ex)
{
ActivateSubContext(new MessageViewModel(Ex.Message, Callback));
}
}
internal void FlashFFUTask(string FFUPath)
{
new Thread(() =>
{
bool Result = true;
NokiaFlashModel Phone = (NokiaFlashModel)PhoneNotifier.CurrentModel;
PhoneInfo Info = Phone.ReadPhoneInfo(false);
#region Remove bootloader changes
// If necessary remove bootloader changes
// In case the NV vars were redirected, and a stock FFU is flashed, then the IsFlashing flag will be cleared in the redirected NV vars
// And after a reboot the original NV vars are active again, but the IsFlashing flag is still set from when the bootloader was unlocked
// So we will first restore the GPT, so the original vars are active again.
// Then IsFlashing is true and the phone boots forcibly to FlashApp again.
// Then we start normal FFU flasing and at the end the IsFlashing flag is cleared in the original vars.
if (Info.FlashAppProtocolVersionMajor >= 2)
{
byte[] GPTChunk = LumiaUnlockBootloaderViewModel.GetGptChunk(Phone, 0x20000); // TODO: Get proper profile FFU and get ChunkSizeInBytes
GPT GPT = new GPT(GPTChunk);
FlashPart Part;
List<FlashPart> FlashParts = new List<FlashPart>();
Partition NvBackupPartition = GPT.GetPartition("BACKUP_BS_NV");
if (NvBackupPartition != null)
{
// This must be a left over of a half unlocked bootloader
Partition NvPartition = GPT.GetPartition("UEFI_BS_NV");
NvBackupPartition.Name = "UEFI_BS_NV";
NvBackupPartition.PartitionGuid = NvPartition.PartitionGuid;
NvBackupPartition.PartitionTypeGuid = NvPartition.PartitionTypeGuid;
GPT.Partitions.Remove(NvPartition);
GPT.Rebuild();
Part = new FlashPart();
Part.StartSector = 0;
Part.Stream = new MemoryStream(GPTChunk);
FlashParts.Add(Part);
}
// We should only clear NV if there was no backup NV to be restored and the current NV contains the SB unlock.
if ((NvBackupPartition == null) && !Info.UefiSecureBootEnabled)
{
// ClearNV
Part = new FlashPart();
Partition Target = GPT.GetPartition("UEFI_BS_NV");
Part.StartSector = (UInt32)Target.FirstSector;
Part.Stream = new MemoryStream(new byte[0x40000]);
FlashParts.Add(Part);
}
if (FlashParts.Count > 0)
{
ActivateSubContext(new BusyViewModel("Restoring bootloader..."));
WPinternalsStatus LastStatus = WPinternalsStatus.Undefined;
LumiaV2UnlockBootViewModel.LumiaV2CustomFlash(PhoneNotifier, FFUPath, false, false, FlashParts, true, ClearFlashingStatusAtEnd: false,
SetWorkingStatus: (m, s, v, a, st) =>
{
if ((st == WPinternalsStatus.Scanning) || (st == WPinternalsStatus.WaitingForManualReset))
SetWorkingStatus(m, s, v, a, st);
else if ((LastStatus == WPinternalsStatus.Scanning) || (LastStatus == WPinternalsStatus.WaitingForManualReset))
SetWorkingStatus("Restoring bootloader...", null, null, Status: WPinternalsStatus.Flashing);
LastStatus = st;
},
UpdateWorkingStatus: (m, s, v, st) =>
{
if ((st == WPinternalsStatus.Scanning) || (st == WPinternalsStatus.WaitingForManualReset))
UpdateWorkingStatus(m, s, v, st);
else if ((LastStatus == WPinternalsStatus.Scanning) || (LastStatus == WPinternalsStatus.WaitingForManualReset))
SetWorkingStatus("Restoring bootloader...", null, null, Status: WPinternalsStatus.Flashing);
LastStatus = st;
}
).Wait();
if ((PhoneNotifier.CurrentInterface != PhoneInterfaces.Lumia_Bootloader) && (PhoneNotifier.CurrentInterface != PhoneInterfaces.Lumia_Flash))
PhoneNotifier.WaitForArrival().Wait();
if (PhoneNotifier.CurrentInterface == PhoneInterfaces.Lumia_Bootloader)
((NokiaFlashModel)PhoneNotifier.CurrentModel).SwitchToFlashAppContext();
}
}
#endregion
Phone = (NokiaFlashModel)PhoneNotifier.CurrentModel;
ActivateSubContext(new BusyViewModel("Initializing flash..."));
string ErrorSubMessage = null;
try
{
FFU FFU = new FFU(FFUPath);
BusyViewModel Busy = new BusyViewModel("Flashing original FFU...", MaxProgressValue: FFU.TotalChunkCount, UIContext: UIContext);
ActivateSubContext(Busy);
byte Options = 0;
if (!Info.SecureFfuEnabled || Info.Authenticated || Info.RdcPresent)
Options = (byte)((FlashOptions)Options | FlashOptions.SkipSignatureCheck);
Phone.FlashFFU(FFU, Busy.ProgressUpdater, true, Options);
}
catch (Exception Ex)
{
LogFile.LogException(Ex);
if (Ex is WPinternalsException)
ErrorSubMessage = ((WPinternalsException)Ex).SubMessage;
Result = false;
}
if (!Result)
{
ExitFailure("Flash failed!", ErrorSubMessage);
return;
}
ExitSuccess("Flash successful!", null);
}).Start();
}
// Called from an event-handler. So, "async void" is valid here.
internal async void FlashMMOS(string MMOSPath)
{
IsSwitchingInterface = true; // Prevents that a device is forced to Flash mode on this screen which is meant for flashing
try
{
await SwitchModeViewModel.SwitchToWithProgress(PhoneNotifier, PhoneInterfaces.Lumia_Flash,
(msg, sub) =>
ActivateSubContext(new BusyViewModel(msg, sub)));
FlashMMOSTask(MMOSPath);
}
catch (Exception Ex)
{
ActivateSubContext(new MessageViewModel(Ex.Message, Callback));
}
}
internal void FlashMMOSTask(string MMOSPath)
{
NokiaFlashModel Phone = (NokiaFlashModel)PhoneNotifier.CurrentModel;
if (PhoneNotifier.CurrentInterface == PhoneInterfaces.Lumia_Bootloader)
Phone.SwitchToFlashAppContext();
new Thread(() =>
{
bool Result = true;
ActivateSubContext(new BusyViewModel("Initializing flash..."));
string ErrorSubMessage = null;
try
{
FileInfo info = new FileInfo(MMOSPath);
uint length = uint.Parse(info.Length.ToString());
int maximumbuffersize = 0x00240000;
uint totalcounts = (uint)Math.Truncate((decimal)length / maximumbuffersize);
BusyViewModel Busy = new BusyViewModel("Flashing Test Mode package...", MaxProgressValue: totalcounts, UIContext: UIContext);
ActivateSubContext(Busy);
Phone.FlashMMOS(MMOSPath, Busy.ProgressUpdater);
ActivateSubContext(new BusyViewModel("And now booting phone to MMOS...", "If the phone stays on the lightning cog screen for a while, you may need to unplug and replug the phone to continue the boot process."));
PhoneNotifier.NewDeviceArrived += NewDeviceArrived;
}
catch (Exception Ex)
{
LogFile.LogException(Ex);
if (Ex is WPinternalsException)
ErrorSubMessage = ((WPinternalsException)Ex).SubMessage;
Result = false;
}
if (!Result)
{
ExitFailure("Flash failed!", ErrorSubMessage);
return;
}
}).Start();
}
private void NewDeviceArrived(ArrivalEventArgs Args)
{
PhoneNotifier.NewDeviceArrived -= NewDeviceArrived;
if (Args.NewInterface != PhoneInterfaces.Lumia_Label)
{
ExitFailure("Flash failed!", "Phone unexpectedly switched mode while booting MMOS image.");
return;
}
else
{
ExitSuccess("Flash successful!", null);
return;
}
}
// Called from an event-handler. So, "async void" is valid here.
internal async void Exit()
{
try
{
await SwitchModeViewModel.SwitchToWithProgress(PhoneNotifier, PhoneInterfaces.Lumia_Normal,
(msg, sub) =>
ActivateSubContext(new BusyViewModel(msg, sub)));
IsSwitchingInterface = false;
Callback();
ActivateSubContext(null);
}
catch (Exception Ex)
{
ActivateSubContext(new MessageViewModel(Ex.Message, () =>
{
IsSwitchingInterface = false;
Callback();
ActivateSubContext(null);
}));
}
}
internal void ExitSuccess(string Message, string SubMessage)
{
MessageViewModel SuccessMessageViewModel = new MessageViewModel(Message, () =>
{
// No need to call Exit() to go to normal mode, because it already switches to normal mode automatically.
IsSwitchingInterface = false; // From here on a device will be forced to Flash mode again on this screen which is meant for flashing
Callback();
ActivateSubContext(null);
});
SuccessMessageViewModel.SubMessage = SubMessage;
ActivateSubContext(SuccessMessageViewModel);
}
internal void ExitFailure(string Message, string SubMessage)
{
MessageViewModel ErrorMessageViewModel = new MessageViewModel(Message, () =>
{
IsSwitchingInterface = false;
Callback();
ActivateSubContext(null);
});
ErrorMessageViewModel.SubMessage = SubMessage;
ActivateSubContext(ErrorMessageViewModel);
}
}
}