From 56daae923f75506d49ff9677c7d629028925d9ef Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Fridrich=20=C5=A0trba?= Date: Fri, 26 Mar 2010 16:58:26 +0100 Subject: [win32] Converting the Windows SENS from C++ to plain C --- modules/windows-sens/evolution-windows-sens.c | 322 ++++++++++++++++++++++++++ 1 file changed, 322 insertions(+) create mode 100644 modules/windows-sens/evolution-windows-sens.c (limited to 'modules/windows-sens/evolution-windows-sens.c') diff --git a/modules/windows-sens/evolution-windows-sens.c b/modules/windows-sens/evolution-windows-sens.c new file mode 100644 index 0000000000..19fecc260b --- /dev/null +++ b/modules/windows-sens/evolution-windows-sens.c @@ -0,0 +1,322 @@ +/* + * evolution-windows-sens.c + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2 of the License, or (at your option) version 3. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with the program; if not, see + * + */ + +#ifdef __cplusplus +extern "C" { +#endif + +#define INITGUID +#include +#include +#include +#include + +#include +#include + +#define NUM_ELEMENTS(x) (sizeof((x)) / sizeof((x)[0])) + +inline const BSTR +_mb2wchar (const char* a) +{ + static WCHAR b[64]; + MultiByteToWideChar (0, 0, a, -1, b, 64); + return b; +} + +static const char* add_curly_braces_to_uuid (const char* string_uuid) +{ + static char curlyBracedUuidString[64]; + int i; + if (!stringUUID) + return NULL; + lstrcpy(curlyBracedUuidString,"{"); + i = strlen(curlyBracedUuidString); + lstrcat(curlyBracedUuidString+i,stringUUID); + i = strlen(curlyBracedUuidString); + lstrcat(curlyBracedUuidString+i,"}"); + return curlyBracedUuidString; +} + + +/* Standard GObject macros */ +#define E_TYPE_WINDOWS_SENS \ + (e_windows_sens_get_type ()) +#define E_WINDOWS_SENS(obj) \ + (G_TYPE_CHECK_INSTANCE_CAST \ + ((obj), E_TYPE_WINDOWS_SENS, EWindowsSENS)) + +typedef struct _EWindowsSENS EWindowsSENS; +typedef struct _EWindowsSENSClass EWindowsSENSClass; + +struct _EWindowsSENS { + EExtension parent; +}; + +struct _EWindowsSENSClass { + EExtensionClass parent_class; +}; + +/* Module Entry Points */ +void e_module_load (GTypeModule *type_module); +void e_module_unload (GTypeModule *type_module); + +/* Forward Declarations */ +GType e_windows_sens_get_type (void); + +G_DEFINE_DYNAMIC_TYPE (EWindowsSENS, e_windows_sens, E_TYPE_EXTENSION) + +static EShell * +windows_sens_get_shell (EWindowsSENS *extension) +{ + EExtensible *extensible; + + extensible = e_extension_get_extensible (E_EXTENSION (extension)); + + return E_SHELL (extensible); +} + +class e_sens_network_listener : public ISensNetwork +{ +private: + long ref; + EWindowsSENS *mpEWS; + +public: + e_sens_network_listener (EWindowsSENS *ews) : + ref(1), + mpEWS(ews) + {} + + HRESULT WINAPI QueryInterface (REFIID iid, void ** ppv) + { + if (IsEqualIID (iid, IID_IUnknown) || IsEqualIID (iid, IID_IDispatch) || IsEqualIID (iid, IID_ISensNetwork)) { + *ppv = this; + AddRef(); + return S_OK; + } + *ppv = NULL; + return E_NOINTERFACE; + } + + ULONG WINAPI AddRef () + { + return InterlockedIncrement (&ref); + } + + ULONG WINAPI Release () + { + int tmp = InterlockedDecrement (&ref); + return tmp; + } + + HRESULT WINAPI GetTypeInfoCount (unsigned FAR*) + { + return E_NOTIMPL; + } + + HRESULT WINAPI GetTypeInfo (unsigned, LCID, ITypeInfo FAR* FAR*) + { + return E_NOTIMPL; + } + + HRESULT WINAPI GetIDsOfNames (REFIID, OLECHAR FAR* FAR*, unsigned, LCID, DISPID FAR*) + { + return E_NOTIMPL; + } + + HRESULT WINAPI Invoke (DISPID, REFIID, LCID, WORD, DISPPARAMS FAR*, VARIANT FAR*, EXCEPINFO FAR*, unsigned FAR*) + { + return E_NOTIMPL; + } + +// ISensNetwork methods: + virtual HRESULT WINAPI ConnectionMade (BSTR, ULONG ulType, LPSENS_QOCINFO) + { + if (ulType) { + EShell *shell = windows_sens_get_shell (mpEWS); + e_shell_set_network_available (shell, TRUE); + } + return S_OK; + } + + virtual HRESULT WINAPI ConnectionMadeNoQOCInfo (BSTR, ULONG) + { + //Always followed by ConnectionMade + return S_OK; + } + + virtual HRESULT WINAPI ConnectionLost (BSTR, ULONG ulType) + { + if (ulType) { + EShell *shell = windows_sens_get_shell (mpEWS); + e_shell_set_network_available (shell, FALSE); + } + return S_OK; + } + + virtual HRESULT WINAPI DestinationReachable (BSTR, BSTR , ULONG ulType, LPSENS_QOCINFO) + { + if (ulType) { + EShell *shell = windows_sens_get_shell (mpEWS); + e_shell_set_network_available (shell, TRUE); + } + return S_OK; + } + + virtual HRESULT WINAPI DestinationReachableNoQOCInfo (BSTR, BSTR, ULONG) + { + return S_OK; + } +}; + +/* 4E14FB9F-2E22-11D1-9964-00C04FBBB345 */ +DEFINE_GUID(IID_IEventSystem, 0x4E14FB9F, 0x2E22, 0x11D1, 0x99, 0x64, 0x00, 0xC0, 0x4F, 0xBB, 0xB3, 0x45); + +/* 4A6B0E15-2E38-11D1-9965-00C04FBBB345 */ +DEFINE_GUID(IID_IEventSubscription, 0x4A6B0E15, 0x2E38, 0x11D1, 0x99, 0x65, 0x00, 0xC0, 0x4F, 0xBB, 0xB3, 0x45); + +/* d597bab1-5b9f-11d1-8dd2-00aa004abd5e */ +DEFINE_GUID(IID_ISensNetwork, 0xd597bab1, 0x5b9f, 0x11d1, 0x8d, 0xd2, 0x00, 0xaa, 0x00, 0x4a, 0xbd, 0x5e); + +/* 4E14FBA2-2E22-11D1-9964-00C04FBBB345 */ +DEFINE_GUID(CLSID_CEventSystem, 0x4E14FBA2, 0x2E22, 0x11D1, 0x99, 0x64, 0x00, 0xC0, 0x4F, 0xBB, 0xB3, 0x45); + +/* 7542e960-79c7-11d1-88f9-0080c7d771bf */ +DEFINE_GUID(CLSID_CEventSubscription, 0x7542e960, 0x79c7, 0x11d1, 0x88, 0xf9, 0x00, 0x80, 0xc7, 0xd7, 0x71, 0xbf); + +static void +windows_sens_constructed (GObject *object) +{ + static IEventSystem *pIEventSystem =0; + static IEventSubscription* pIEventSubscription = 0; + static const char* eventclassid="{D5978620-5B9F-11D1-8DD2-00AA004ABD5E}"; + static const char* methods[]={"ConnectionMade","ConnectionMadeNoQOCInfo","ConnectionLost","DestinationReachable","DestinationReachableNoQOCInfo"}; + static const char* names[]={"EWS_ConnectionMade","EWS_ConnectionMadeNoQOCInfo","EWS_ConnectionLost","EWS_DestinationReachable","EWS_DestinationReachableNoQOCInfo"}; + unsigned char* subids[] = { 0, 0, 0, 0, 0 }; + + EWindowsSENS *extension = (E_WINDOWS_SENS (object)); + static e_sens_network_listener *pISensNetwork = new e_sens_network_listener (extension); + + CoInitialize(0); + + HRESULT res=CoCreateInstance (CLSID_CEventSystem, 0,CLSCTX_SERVER,IID_IEventSystem,(void**)&pIEventSystem); + + if (res == S_OK && pIEventSystem) { + + for (unsigned i=0; iput_SubscriptionID (_mb2wchar (add_curly_braces_to_uuid ((char*)subids[i]))))) { + RpcStringFree (&subids[i]); + break; + } + RpcStringFree (&subids[i]); + if ((res=pIEventSubscription->put_SubscriptionName (_mb2wchar (names[i])))) + break; + if ((res=pIEventSubscription->put_MethodName (_mb2wchar (methods[i])))) + break; + if ((res=pIEventSubscription->put_EventClassID (_mb2wchar (eventclassid)))) + break; + if ((res=pIEventSubscription->put_SubscriberInterface ((IUnknown*)pISensNetwork))) + break; + /* Make the subscription receive the event only if the owner of the subscription + * is logged on to the same computer as the publisher. This makes this module + * work with normal user account without administrative privileges. + */ + if ((res=pIEventSubscription->put_PerUser (TRUE))) + break; + + if ((res=pIEventSystem->Store ((BSTR)PROGID_EventSubscription, (IUnknown*)pIEventSubscription))) + break; + pIEventSubscription->Release (); + pIEventSubscription=0; + } + } + if (pIEventSubscription) + pIEventSubscription->Release(); + } + + /* Do not try to get initial state when we are sure we will not get system events. + * Like that we don't get stuck with Disconnected status if we were disconnected + * on start. + */ + if (res == S_OK) { + + typedef BOOL (WINAPI* IsNetworkAlive_t) (LPDWORD); + + IsNetworkAlive_t pIsNetworkAlive = NULL; + + HMODULE hDLL=LoadLibrary ("sensapi.dll"); + + BOOL alive = TRUE; + if ((pIsNetworkAlive=(IsNetworkAlive_t) GetProcAddress (hDLL, "IsNetworkAlive"))) { + DWORD Network; + alive=pIsNetworkAlive (&Network); + } + + FreeLibrary(hDLL); + + EShell *shell = windows_sens_get_shell (extension); + + e_shell_set_network_available (shell, alive); + } +} + +static void +e_windows_sens_class_init (EWindowsSENSClass *_class) +{ + GObjectClass *object_class; + EExtensionClass *extension_class; + + object_class = G_OBJECT_CLASS (_class); + object_class->constructed = windows_sens_constructed; + + extension_class = E_EXTENSION_CLASS (_class); + extension_class->extensible_type = E_TYPE_SHELL; +} + +static void +e_windows_sens_class_finalize (EWindowsSENSClass *_class) +{ +} + +static void +e_windows_sens_init (EWindowsSENS *extension) +{ +} + +G_MODULE_EXPORT void +e_module_load (GTypeModule *type_module) +{ + e_windows_sens_register_type (type_module); +} + +G_MODULE_EXPORT void +e_module_unload (GTypeModule *type_module) +{ +} + +#ifdef __cplusplus +} +#endif -- cgit v1.2.3