haiku/src/servers/input/AddOnManager.cpp
Jérôme Duval 215b876d6e Improved method support : method replicant is working
Readding of replicant or reset of method replicant menu still to be done


git-svn-id: file:///srv/svn/repos/haiku/trunk/current@9558 a95241bf-73f2-0310-859d-f6bbb57e9c96
2004-10-28 13:47:51 +00:00

744 lines
18 KiB
C++

/*
** Copyright 2004, the Haiku project. All rights reserved.
** Distributed under the terms of the Haiku License.
**
** Author : Jérôme Duval
** Original authors: Marcus Overhagen, Axel Dörfler
*/
#include <Autolock.h>
#include <Deskbar.h>
#include <Directory.h>
#include <Entry.h>
#include <FindDirectory.h>
#include <Path.h>
#include <Roster.h>
#include <String.h>
#include <image.h>
#include <stdio.h>
#include <string.h>
#include "AddOnManager.h"
#include "InputServer.h"
#include "InputServerTypes.h"
#include "MethodReplicant.h"
AddOnManager::AddOnManager(bool safeMode)
: BLooper("addon_manager"),
fLock("add-on manager"),
fSafeMode(safeMode)
{
Run();
}
AddOnManager::~AddOnManager()
{
}
void
AddOnManager::LoadState()
{
RegisterAddOns();
}
void
AddOnManager::SaveState()
{
CALLED();
UnregisterAddOns();
}
status_t
AddOnManager::RegisterAddOn(BEntry &entry)
{
BPath path(&entry);
entry_ref ref;
status_t status = entry.GetRef(&ref);
if (status < B_OK)
return status;
PRINT(("AddOnManager::RegisterAddOn(): trying to load \"%s\"\n", path.Path()));
image_id addon_image = load_add_on(path.Path());
if (addon_image < B_OK) {
PRINT(("load addon %s failed\n", path.Path()));
return addon_image;
}
BEntry parent;
entry.GetParent(&parent);
BPath parentPath(&parent);
BString pathString = parentPath.Path();
if (pathString.FindFirst("input_server/devices")>0) {
BInputServerDevice *(*instantiate_func)();
if (get_image_symbol(addon_image, "instantiate_input_device",
B_SYMBOL_TYPE_TEXT, (void **)&instantiate_func) < B_OK) {
PRINTERR(("AddOnManager::RegisterAddOn(): can't find instantiate_input_device in \"%s\"\n",
path.Path()));
goto exit_error;
}
BInputServerDevice *isd = (*instantiate_func)();
if (isd == NULL) {
PRINTERR(("AddOnManager::RegisterAddOn(): instantiate_input_device in \"%s\" returned NULL\n",
path.Path()));
goto exit_error;
}
status_t status = isd->InitCheck();
if (status != B_OK) {
PRINTERR(("AddOnManager::RegisterAddOn(): BInputServerDevice.InitCheck in \"%s\" returned %s\n",
path.Path(), strerror(status)));
delete isd;
goto exit_error;
}
RegisterDevice(isd, ref, addon_image);
} else if (pathString.FindFirst("input_server/filters")>0) {
BInputServerFilter *(*instantiate_func)();
if (get_image_symbol(addon_image, "instantiate_input_filter",
B_SYMBOL_TYPE_TEXT, (void **)&instantiate_func) < B_OK) {
PRINTERR(("AddOnManager::RegisterAddOn(): can't find instantiate_input_filter in \"%s\"\n",
path.Path()));
goto exit_error;
}
BInputServerFilter *isf = (*instantiate_func)();
if (isf == NULL) {
PRINTERR(("AddOnManager::RegisterAddOn(): instantiate_input_filter in \"%s\" returned NULL\n",
path.Path()));
goto exit_error;
}
status_t status = isf->InitCheck();
if (status != B_OK) {
PRINTERR(("AddOnManager::RegisterAddOn(): BInputServerFilter.InitCheck in \"%s\" returned %s\n",
path.Path(), strerror(status)));
delete isf;
goto exit_error;
}
RegisterFilter(isf, ref, addon_image);
} else if (pathString.FindFirst("input_server/methods")>0) {
BInputServerMethod *(*instantiate_func)();
if (get_image_symbol(addon_image, "instantiate_input_method",
B_SYMBOL_TYPE_TEXT, (void **)&instantiate_func) < B_OK) {
PRINTERR(("AddOnManager::RegisterAddOn(): can't find instantiate_input_method in \"%s\"\n",
path.Path()));
goto exit_error;
}
BInputServerMethod *ism = (*instantiate_func)();
if (ism == NULL) {
PRINTERR(("AddOnManager::RegisterAddOn(): instantiate_input_method in \"%s\" returned NULL\n",
path.Path()));
goto exit_error;
}
status_t status = ism->InitCheck();
if (status != B_OK) {
PRINTERR(("AddOnManager::RegisterAddOn(): BInputServerMethod.InitCheck in \"%s\" returned %s\n",
path.Path(), strerror(status)));
delete ism;
goto exit_error;
}
RegisterMethod(ism, ref, addon_image);
}
return B_OK;
exit_error:
unload_add_on(addon_image);
return status;
}
status_t
AddOnManager::UnregisterAddOn(BEntry &entry)
{
BPath path(&entry);
entry_ref ref;
status_t status = entry.GetRef(&ref);
if (status < B_OK)
return status;
PRINT(("AddOnManager::UnregisterAddOn(): trying to unload \"%s\"\n", path.Path()));
BEntry parent;
entry.GetParent(&parent);
BPath parentPath(&parent);
BString pathString = parentPath.Path();
BAutolock locker(fLock);
if (pathString.FindFirst("input_server/devices")>0) {
device_info *pinfo;
for (fDeviceList.Rewind(); fDeviceList.GetNext(&pinfo);) {
if (!strcmp(pinfo->ref.name, ref.name)) {
InputServer::StartStopDevices(pinfo->isd, false);
delete pinfo->isd;
if (pinfo->addon_image >= B_OK)
unload_add_on(pinfo->addon_image);
fDeviceList.RemoveCurrent();
break;
}
}
} else if (pathString.FindFirst("input_server/filters")>0) {
filter_info *pinfo;
for (fFilterList.Rewind(); fFilterList.GetNext(&pinfo);) {
if (!strcmp(pinfo->ref.name, ref.name)) {
delete pinfo->isf;
if (pinfo->addon_image >= B_OK)
unload_add_on(pinfo->addon_image);
fFilterList.RemoveCurrent();
break;
}
}
} else if (pathString.FindFirst("input_server/methods")>0) {
method_info *pinfo;
for (fMethodList.Rewind(); fMethodList.GetNext(&pinfo);) {
if (!strcmp(pinfo->ref.name, ref.name)) {
delete pinfo->ism;
if (pinfo->addon_image >= B_OK)
unload_add_on(pinfo->addon_image);
fMethodList.RemoveCurrent();
break;
}
}
if (fMethodList.CountItems()<=0) {
// we remove the method replicant
BDeskbar().RemoveItem(REPLICANT_CTL_NAME);
((InputServer*)be_app)->SetMethodReplicant(NULL);
} else {
BMessage msg(IS_REMOVE_METHOD);
msg.AddInt32("cookie", (uint32)pinfo->ism);
if (((InputServer*)be_app)->MethodReplicant())
((InputServer*)be_app)->MethodReplicant()->SendMessage(&msg);
}
}
return B_OK;
}
void
AddOnManager::RegisterAddOns()
{
class IAHandler : public AddOnMonitorHandler {
private:
AddOnManager * fManager;
public:
IAHandler(AddOnManager * manager) {
fManager = manager;
}
virtual void AddOnCreated(const add_on_entry_info * entry_info) {
}
virtual void AddOnEnabled(const add_on_entry_info * entry_info) {
CALLED();
entry_ref ref;
make_entry_ref(entry_info->dir_nref.device, entry_info->dir_nref.node,
entry_info->name, &ref);
BEntry entry(&ref, false);
fManager->RegisterAddOn(entry);
}
virtual void AddOnDisabled(const add_on_entry_info * entry_info) {
CALLED();
entry_ref ref;
make_entry_ref(entry_info->dir_nref.device, entry_info->dir_nref.node,
entry_info->name, &ref);
BEntry entry(&ref, false);
fManager->UnregisterAddOn(entry);
}
virtual void AddOnRemoved(const add_on_entry_info * entry_info) {
}
};
const directory_which directories[] = {
B_USER_ADDONS_DIRECTORY,
B_COMMON_ADDONS_DIRECTORY,
B_BEOS_ADDONS_DIRECTORY
};
const char subDirectories[][24] = {
"input_server/devices",
"input_server/filters",
"input_server/methods"
};
fHandler = new IAHandler(this);
fAddOnMonitor = new AddOnMonitor(fHandler);
node_ref nref;
BDirectory directory;
BPath path;
// when safemode, only B_BEOS_ADDONS_DIRECTORY is used
for (uint32 i = fSafeMode ? 2 : 0 ; i < sizeof(directories) / sizeof(directory_which) ; i++)
for (uint32 j = 0 ; j < sizeof(subDirectories) / sizeof(char[24]) ; j++) {
if ((find_directory(directories[i], &path) == B_OK)
&& (path.Append(subDirectories[j]) == B_OK)
&& (directory.SetTo(path.Path()) == B_OK)
&& (directory.GetNodeRef(&nref) == B_OK)) {
fHandler->AddDirectory(&nref);
}
}
}
void
AddOnManager::UnregisterAddOns()
{
BMessenger messenger(fAddOnMonitor);
messenger.SendMessage(B_QUIT_REQUESTED);
int32 exit_value;
wait_for_thread(fAddOnMonitor->Thread(), &exit_value);
delete fHandler;
BAutolock locker(fLock);
// we have to stop manually the addons because the monitor doesn't disable them on exit
{
device_info *pinfo;
for (fDeviceList.Rewind(); fDeviceList.GetNext(&pinfo);) {
InputServer::StartStopDevices(pinfo->isd, false);
delete pinfo->isd;
if (pinfo->addon_image >= B_OK)
unload_add_on(pinfo->addon_image);
fDeviceList.RemoveCurrent();
}
}
{
filter_info *pinfo;
for (fFilterList.Rewind(); fFilterList.GetNext(&pinfo);) {
delete pinfo->isf;
if (pinfo->addon_image >= B_OK)
unload_add_on(pinfo->addon_image);
fFilterList.RemoveCurrent();
}
}
{
method_info *pinfo;
for (fMethodList.Rewind(); fMethodList.GetNext(&pinfo);) {
delete pinfo->ism;
if (pinfo->addon_image >= B_OK)
unload_add_on(pinfo->addon_image);
fMethodList.RemoveCurrent();
}
}
}
void
AddOnManager::RegisterDevice(BInputServerDevice *device, const entry_ref &ref, image_id addon_image)
{
BAutolock locker(fLock);
device_info *pinfo;
for (fDeviceList.Rewind(); fDeviceList.GetNext(&pinfo);) {
if (!strcmp(pinfo->ref.name, ref.name)) {
// we already know this device
return;
}
}
PRINT(("AddOnManager::RegisterDevice, name %s\n", ref.name));
device_info info;
info.ref = ref;
info.addon_image = addon_image;
info.isd = device;
fDeviceList.Insert(info);
}
void
AddOnManager::RegisterFilter(BInputServerFilter *filter, const entry_ref &ref, image_id addon_image)
{
BAutolock locker(fLock);
filter_info *pinfo;
for (fFilterList.Rewind(); fFilterList.GetNext(&pinfo);) {
if (!strcmp(pinfo->ref.name, ref.name)) {
// we already know this ref
return;
}
}
PRINT(("%s, name %s\n", __PRETTY_FUNCTION__, ref.name));
filter_info info;
info.ref = ref;
info.addon_image = addon_image;
info.isf = filter;
fFilterList.Insert(info);
BAutolock lock2(InputServer::gInputFilterListLocker);
InputServer::gInputFilterList.AddItem(filter);
}
void
AddOnManager::RegisterMethod(BInputServerMethod *method, const entry_ref &ref, image_id addon_image)
{
BAutolock locker(fLock);
method_info *pinfo;
for (fMethodList.Rewind(); fMethodList.GetNext(&pinfo);) {
if (!strcmp(pinfo->ref.name, ref.name)) {
// we already know this ref
return;
}
}
PRINT(("%s, name %s\n", __PRETTY_FUNCTION__, ref.name));
method_info info;
info.ref = ref;
info.addon_image = addon_image;
info.ism = method;
fMethodList.Insert(info);
BAutolock lock2(InputServer::gInputMethodListLocker);
InputServer::gInputMethodList.AddItem(method);
if (((InputServer*)be_app)->MethodReplicant() == NULL) {
app_info info;
be_app->GetAppInfo(&info);
status_t err = BDeskbar().AddItem(&info.ref);
if (err!=B_OK) {
PRINTERR(("Deskbar refuses to add method replicant\n"));
}
BMessage request(B_GET_PROPERTY);
BMessenger to;
BMessenger status;
request.AddSpecifier("Messenger");
request.AddSpecifier("Shelf");
// In the Deskbar the Shelf is in the View "Status" in Window "Deskbar"
request.AddSpecifier("View", "Status");
request.AddSpecifier("Window", "Deskbar");
to = BMessenger("application/x-vnd.Be-TSKB", -1);
BMessage reply;
if ((to.SendMessage(&request, &reply) == B_OK)
&& (reply.FindMessenger("result", &status) == B_OK)) {
// enum replicant in Status view
int32 index = 0;
int32 uid;
while ((uid = GetReplicantAt(status, index++)) >= B_OK) {
BMessage rep_info;
if (GetReplicantName(status, uid, &rep_info) != B_OK) {
continue;
}
const char *name;
if ((rep_info.FindString("result", &name) == B_OK)
&& (strcmp(name, REPLICANT_CTL_NAME)==0)) {
BMessage rep_view;
if (GetReplicantView(status, uid, &rep_view)==0) {
BMessenger result;
if (rep_view.FindMessenger("result", &result) == B_OK) {
((InputServer*)be_app)->SetMethodReplicant(new BMessenger(result));
}
}
}
}
}
if (((InputServer*)be_app)->MethodReplicant()) {
_BMethodAddOn_ *addon = InputServer::gKeymapMethod.fOwner;
addon->AddMethod();
}
}
if (((InputServer*)be_app)->MethodReplicant()) {
_BMethodAddOn_ *addon = method->fOwner;
addon->AddMethod();
}
}
//
int32
AddOnManager::GetReplicantAt(BMessenger target, int32 index) const
{
/*
So here we want to get the Unique ID of the replicant at the given index
in the target Shelf.
*/
BMessage request(B_GET_PROPERTY);// We're getting the ID property
BMessage reply;
status_t err;
request.AddSpecifier("ID");// want the ID
request.AddSpecifier("Replicant", index);// of the index'th replicant
if ((err = target.SendMessage(&request, &reply)) != B_OK)
return err;
int32 uid;
if ((err = reply.FindInt32("result", &uid)) != B_OK)
return err;
return uid;
}
//
status_t
AddOnManager::GetReplicantName(BMessenger target, int32 uid, BMessage *reply) const
{
/*
We send a message to the target shelf, asking it for the Name of the
replicant with the given unique id.
*/
BMessage request(B_GET_PROPERTY);
BMessage uid_specifier(B_ID_SPECIFIER);// specifying via ID
status_t err;
status_t e;
request.AddSpecifier("Name");// ask for the Name of the replicant
// IDs are specified using code like the following 3 lines:
uid_specifier.AddInt32("id", uid);
uid_specifier.AddString("property", "Replicant");
request.AddSpecifier(&uid_specifier);
if ((err = target.SendMessage(&request, reply)) != B_OK)
return err;
if (((err = reply->FindInt32("error", &e)) != B_OK) || (e != B_OK))
return err ? err : e;
return B_OK;
}
//
status_t
AddOnManager::GetReplicantView(BMessenger target, int32 uid, BMessage *reply) const
{
/*
We send a message to the target shelf, asking it for the Name of the
replicant with the given unique id.
*/
BMessage request(B_GET_PROPERTY);
BMessage uid_specifier(B_ID_SPECIFIER);// specifying via ID
status_t err;
status_t e;
request.AddSpecifier("View");// ask for the Name of the replicant
// IDs are specified using code like the following 3 lines:
uid_specifier.AddInt32("id", uid);
uid_specifier.AddString("property", "Replicant");
request.AddSpecifier(&uid_specifier);
if ((err = target.SendMessage(&request, reply)) != B_OK)
return err;
if (((err = reply->FindInt32("error", &e)) != B_OK) || (e != B_OK))
return err ? err : e;
return B_OK;
}
/*
* Method: AddOnManager::MessageReceived()
* Descr:
*/
void
AddOnManager::MessageReceived(BMessage *message)
{
CALLED();
BMessage reply;
status_t status = B_OK;
PRINT(("%s what:%c%c%c%c\n", __PRETTY_FUNCTION__, message->what>>24, message->what>>16, message->what>>8, message->what));
switch(message->what)
{
case IS_FIND_DEVICES:
status = HandleFindDevices(message, &reply);
break;
case IS_WATCH_DEVICES:
status = HandleWatchDevices(message, &reply);
break;
case IS_IS_DEVICE_RUNNING:
status = HandleIsDeviceRunning(message, &reply);
break;
case IS_START_DEVICE:
status = HandleStartStopDevices(message, &reply);
break;
case IS_STOP_DEVICE:
status = HandleStartStopDevices(message, &reply);
break;
case IS_CONTROL_DEVICES:
status = HandleControlDevices(message, &reply);
break;
case SYSTEM_SHUTTING_DOWN:
status = HandleSystemShuttingDown(message, &reply);
break;
default:
{
return;
}
}
reply.AddInt32("status", status);
message->SendReply(&reply);
}
/*
* Method: AddOnManager::HandleStartStopDevices()
* Descr:
*/
status_t
AddOnManager::HandleStartStopDevices(BMessage *message,
BMessage *reply)
{
const char *name = NULL;
int32 type = 0;
if (! ((message->FindInt32("type", &type)!=B_OK) ^ (message->FindString("device", &name)!=B_OK)))
return B_ERROR;
return InputServer::StartStopDevices(name, (input_device_type)type, message->what == IS_START_DEVICE);
}
/*
* Method: AddOnManager::HandleFindDevices()
* Descr:
*/
status_t
AddOnManager::HandleFindDevices(BMessage *message,
BMessage *reply)
{
CALLED();
const char *name = NULL;
message->FindString("device", &name);
for (int i = InputServer::gInputDeviceList.CountItems() - 1; i >= 0; i--) {
InputDeviceListItem* item = (InputDeviceListItem*)InputServer::gInputDeviceList.ItemAt(i);
if (!item)
continue;
if (!name || strcmp(name, item->mDev.name) == 0) {
reply->AddString("device", item->mDev.name);
reply->AddInt32("type", item->mDev.type);
if (name)
return B_OK;
}
}
return B_OK;
}
/*
* Method: AddOnManager::HandleWatchDevices()
* Descr:
*/
status_t
AddOnManager::HandleWatchDevices(BMessage *message,
BMessage *reply)
{
// TODO
return B_OK;
}
/*
* Method: AddOnManager::HandleIsDeviceRunning()
* Descr:
*/
status_t
AddOnManager::HandleIsDeviceRunning(BMessage *message,
BMessage *reply)
{
const char *name = NULL;
if (message->FindString("device", &name)!=B_OK)
return B_ERROR;
for (int i = InputServer::gInputDeviceList.CountItems() - 1; i >= 0; i--) {
InputDeviceListItem* item = (InputDeviceListItem*)InputServer::gInputDeviceList.ItemAt(i);
if (!item)
continue;
if (strcmp(name, item->mDev.name) == 0)
return (item->mStarted) ? B_OK : B_ERROR;
}
return B_ERROR;
}
/*
* Method: AddOnManager::HandleControlDevices()
* Descr:
*/
status_t
AddOnManager::HandleControlDevices(BMessage *message,
BMessage *reply)
{
CALLED();
const char *name = NULL;
int32 type = 0;
if (! ((message->FindInt32("type", &type)!=B_OK) ^ (message->FindString("device", &name)!=B_OK)))
return B_ERROR;
uint32 code = 0;
BMessage msg;
bool isMessage = true;
if (message->FindInt32("code", (int32*)&code)!=B_OK)
return B_ERROR;
if (message->FindMessage("message", &msg)!=B_OK)
isMessage = false;
return InputServer::ControlDevices(name, (input_device_type)type, code, isMessage ? &msg : NULL);
}
/*
* Method: AddOnManager::HandleSystemShuttingDown()
* Descr:
*/
status_t
AddOnManager::HandleSystemShuttingDown(BMessage *message,
BMessage *reply)
{
// TODO
return B_OK;
}