/*
 Derived from source code of TrueCrypt 7.1a, which is
 Copyright (c) 2008-2012 TrueCrypt Developers Association and which is governed
 by the TrueCrypt License 3.0.

 Modifications and additions to the original source code (contained in this file) 
 and all other portions of this file are Copyright (c) 2013-2015 IDRIX
 and are governed by the Apache License 2.0 the full text of which is
 contained in the file License.txt included in VeraCrypt binary and source
 code distribution packages.
*/

#ifndef TC_HEADER_Main_Forms_MainFrame
#define TC_HEADER_Main_Forms_MainFrame

#include "Forms.h"
#include "ChangePasswordDialog.h"

namespace VeraCrypt
{
	struct FavoriteVolume;

	DECLARE_LOCAL_EVENT_TYPE(wxEVT_COMMAND_UPDATE_VOLUME_LIST, -1);
	DECLARE_LOCAL_EVENT_TYPE(wxEVT_COMMAND_PREF_UPDATED, -1);
	DECLARE_LOCAL_EVENT_TYPE(wxEVT_COMMAND_OPEN_VOLUME_REQUEST, -1);

	class MainFrame : public MainFrameBase
	{
	public:
		MainFrame (wxWindow* parent);
		virtual ~MainFrame ();

		void OnDeviceChange (const DirectoryPath &mountPoint = DirectoryPath());
#ifdef TC_UNIX
		static FilePath GetShowRequestFifoPath () { return Application::GetConfigFilePath (L".show-request-queue", true); }
#endif

	protected:
		enum
		{
			ColumnSlot = 0,
			ColumnPath,
			ColumnSize,
#ifdef TC_WINDOWS
			ColumnEA,
#else
			ColumnMountPoint,
#endif
			ColumnType
		};

		void AddToFavorites (const VolumeInfoList &volumes);
		bool CanExit () const;
		void ChangePassword (ChangePasswordDialog::Mode::Enum mode = ChangePasswordDialog::Mode::ChangePasswordAndKeyfiles);
		void CheckFilesystem (bool repair = false);
		bool CheckVolumePathNotEmpty () const;
		void DismountVolume (shared_ptr <VolumeInfo> volume = shared_ptr <VolumeInfo> ());
		const UserPreferences &GetPreferences () const { return Gui->GetPreferences(); }
		shared_ptr <VolumeInfo> GetSelectedVolume () const;
		shared_ptr <VolumePath> GetSelectedVolumePath () const { return make_shared <VolumePath> (wstring (VolumePathComboBox->GetValue())); }
		void InitControls ();
		void InitEvents ();
		void InitMessageFilter ();
		void InitPreferences ();
		void InitTaskBarIcon ();
		bool IsFreeSlotSelected () const { return SlotListCtrl->GetSelectedItemCount() == 1 && Gui->GetListCtrlSubItemText (SlotListCtrl, SelectedItemIndex, ColumnPath).empty(); }
		bool IsMountedSlotSelected () const { return SlotListCtrl->GetSelectedItemCount() == 1 && !Gui->GetListCtrlSubItemText (SlotListCtrl, SelectedItemIndex, ColumnPath).empty(); }
		void LoadFavoriteVolumes ();
		void LoadPreferences ();
		void MountAllDevices ();
		void MountAllFavorites ();
		void MountVolume ();
		void OnAboutMenuItemSelected (wxCommandEvent& event);
		void OnQuit(wxCommandEvent& event) { Close(true); }
		void OnActivate (wxActivateEvent& event);
		void OnAddAllMountedToFavoritesMenuItemSelected (wxCommandEvent& event);
		void OnAddToFavoritesMenuItemSelected (wxCommandEvent& event);
		void OnBackupVolumeHeadersMenuItemSelected (wxCommandEvent& event);
		void OnBeginnersTutorialMenuItemSelected (wxCommandEvent& event) { Gui->OpenHomepageLink (this, L"tutorial"); }
		void OnBenchmarkMenuItemSelected (wxCommandEvent& event);
		void OnChangeKeyfilesMenuItemSelected (wxCommandEvent& event) { ChangePassword (ChangePasswordDialog::Mode::ChangeKeyfiles); }
		void OnChangePasswordMenuItemSelected (wxCommandEvent& event) { ChangePassword (); }
		void OnChangePkcs5PrfMenuItemSelected (wxCommandEvent& event) { ChangePassword (ChangePasswordDialog::Mode::ChangePkcs5Prf); }
		void OnCheckFilesystemMenuItemSelected( wxCommandEvent& event ) { CheckFilesystem (); }
		void OnClearSlotSelectionMenuItemSelected (wxCommandEvent& event);
		void OnClose (wxCloseEvent& event);
		void OnCloseAllSecurityTokenSessionsMenuItemSelected (wxCommandEvent& event);
		void OnDonateMenuItemSelected (wxCommandEvent& event) { Gui->OpenHomepageLink (this, L"donate"); }
		void OnContactMenuItemSelected (wxCommandEvent& event) { Gui->OpenHomepageLink (this, L"contact"); }
		void OnCreateKeyfileMenuItemSelected (wxCommandEvent& event) 
		{
#ifdef TC_MACOSX
			if (Gui->IsInBackgroundMode())
				Gui->SetBackgroundMode (false);
#endif
			Gui->CreateKeyfile();
		}
		void OnCreateVolumeButtonClick (wxCommandEvent& event);
		void OnDefaultKeyfilesMenuItemSelected (wxCommandEvent& event);
		void OnDefaultMountParametersMenuItemSelected( wxCommandEvent& event );
		void OnDismountAllButtonClick (wxCommandEvent& event);
		void OnDismountVolumeMenuItemSelected (wxCommandEvent& event) { DismountVolume(); }
		void OnDownloadsMenuItemSelected (wxCommandEvent& event) { Gui->OpenHomepageLink (this, L"downloads"); }
		void OnEncryptionTestMenuItemSelected (wxCommandEvent& event);
		void OnExitButtonClick (wxCommandEvent& event);
		void OnFavoriteVolumeMenuItemSelected (wxCommandEvent& event);
		void OnFaqMenuItemSelected (wxCommandEvent& event) { Gui->OpenHomepageLink (this, L"faq"); }
		void OnHiddenVolumeProtectionTriggered (shared_ptr <VolumeInfo> protectedVolume);
		void OnHotkey (wxKeyEvent& event);
		void OnHotkeysMenuItemSelected (wxCommandEvent& event);
		void OnLegalNoticesMenuItemSelected (wxCommandEvent& event);
		void OnListChanged ();
		void OnListItemActivated (wxListEvent& event);
		void OnListItemDeleted (long itemIndex);
		void OnListItemDeselected (wxListEvent& event);
		void OnListItemInserted (long itemIndex);
		void OnListItemRightClick (wxListEvent& event);
		void OnListItemSelected (wxListEvent& event);
		void OnListItemSelectionChanged ();
		void OnLogoBitmapClick (wxMouseEvent &event) { wxCommandEvent ev; OnAboutMenuItemSelected (ev); }
		void OnManageSecurityTokenKeyfilesMenuItemSelected (wxCommandEvent& event);
		void OnMountAllDevicesButtonClick (wxCommandEvent& event);
		void OnMountAllFavoritesMenuItemSelected (wxCommandEvent& event);
		void OnMountVolumeMenuItemSelected (wxCommandEvent& event) { MountVolume(); }
		void OnNewsMenuItemSelected (wxCommandEvent& event) { Gui->OpenHomepageLink (this, L"news"); }
		void OnNoHistoryCheckBoxClick (wxCommandEvent& event);
		void OnOnlineHelpMenuItemSelected (wxCommandEvent& event) { Gui->OpenOnlineHelp (this); }
		void OnOpenVolumeMenuItemSelected (wxCommandEvent& event) { OpenSelectedVolume(); }
		void OnOpenVolumeSystemRequest (wxCommandEvent& event);
		void OnOpenVolumeSystemRequestEvent (EventArgs &args);
		void OnOrganizeFavoritesMenuItemSelected (wxCommandEvent& event);
		void OnPreferencesMenuItemSelected (wxCommandEvent& event);
		void OnPreferencesUpdated (wxCommandEvent& event);
		void OnPreferencesUpdatedEvent (EventArgs &args) { wxQueueEvent (this, new wxCommandEvent( wxEVT_COMMAND_PREF_UPDATED,0)); }
		void OnRemoveKeyfilesMenuItemSelected (wxCommandEvent& event) { ChangePassword (ChangePasswordDialog::Mode::RemoveAllKeyfiles); }
		void OnRepairFilesystemMenuItemSelected( wxCommandEvent& event ) { CheckFilesystem (true); }
		void OnRestoreVolumeHeaderMenuItemSelected (wxCommandEvent& event);
		void OnSecurityTokenPreferencesMenuItemSelected (wxCommandEvent& event);
		void OnSelectDeviceAndMountMenuItemSelected (wxCommandEvent& event);
		void OnSelectDeviceButtonClick (wxCommandEvent& event);
		void OnSelectFileAndMountMenuItemSelected (wxCommandEvent& event);
		void OnSelectFileButtonClick (wxCommandEvent& event);
		void OnTimer ();
		void OnVersionHistoryMenuItemSelected (wxCommandEvent& event) { Gui->OpenHomepageLink (this, L"history"); }
		void OnVolumePropertiesButtonClick (wxCommandEvent& event);
		void OnVolumeToolsButtonClick (wxCommandEvent& event);
		void OnVolumeButtonClick (wxCommandEvent& event);
		void OnUpdateVolumeList (wxCommandEvent& event) { UpdateVolumeList(); }
		void OnVolumeDismounted (EventArgs &args) { wxQueueEvent (this, new wxCommandEvent( wxEVT_COMMAND_UPDATE_VOLUME_LIST,0)); }
		void OnVolumeMounted (EventArgs &args) { wxQueueEvent (this, new wxCommandEvent( wxEVT_COMMAND_UPDATE_VOLUME_LIST,0)); }
		void OnUserGuideMenuItemSelected (wxCommandEvent& event) { Gui->OpenUserGuide (this); }
		void OnWebsiteMenuItemSelected (wxCommandEvent& event) { Gui->OpenHomepageLink (this, L"website"); }
		void OnWipeCacheButtonClick (wxCommandEvent& event);
		void OrganizeFavorites (const FavoriteVolumeList &favorites, size_t newItemCount = 0);
		void OpenSelectedVolume () const;
		void SavePreferences () const;
		long SlotNumberToItemIndex (uint32 slotNumber) const;
		void SetVolumePath (const VolumePath &path) { VolumePathComboBox->SetValue (wstring (path)); }
		void ShowTaskBarIcon (bool show = true);
		void UpdateControls ();
		void UpdateVolumeList ();
		void UpdateWipeCacheButton ();
		void WipeCache ();
	
		struct VolumeActivityMapEntry
		{
			VolumeActivityMapEntry () { }

			VolumeActivityMapEntry (const VolumeInfo &volume, wxLongLong lastActivityTime)
				: LastActivityTime (lastActivityTime),
				SerialInstanceNumber (volume.SerialInstanceNumber),
				TotalDataRead (volume.TotalDataRead),
				TotalDataWritten (volume.TotalDataWritten)
			{ }

			wxLongLong LastActivityTime;
			uint64 SerialInstanceNumber;
			uint64 TotalDataRead;
			uint64 TotalDataWritten;
		};

		map <int, FavoriteVolume> FavoriteVolumesMenuMap;
		bool ListItemRightClickEventPending;
		VolumeInfoList MountedVolumes;
		auto_ptr <wxTaskBarIcon> mTaskBarIcon;
		auto_ptr <wxTimer> mTimer;
		long SelectedItemIndex;
		VolumeSlotNumber SelectedSlotNumber;
		int ShowRequestFifo;
		map <wstring, VolumeActivityMapEntry> VolumeActivityMap;
	};
}

#endif // TC_HEADER_Main_Forms_MainFrame