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"Turn on app shell component autoloading"

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This commit is contained in:
law@netscape.com
1999-05-14 22:02:23 +00:00
parent 473880ffeb
commit ba84f286da
9 changed files with 318 additions and 626 deletions
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190
xpfe/appshell/src/nsAppShellService.cpp
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@@ -33,6 +33,14 @@
#include "nsWebShellWindow.h"
#include "nsIGlobalHistory.h"
#include "nsIAppShellComponent.h"
#include "nsIRegistry.h"
#include "nsIEnumerator.h"
#include "nsICmdLineService.h"
#ifdef NS_DEBUG
#include "prprf.h"
#endif
/* For Javascript Namespace Access */
#include "nsDOMCID.h"
#include "nsIScriptNameSetRegistry.h"
@@ -75,7 +83,7 @@ public:
NS_DECL_ISUPPORTS
NS_IMETHOD Initialize(void);
NS_IMETHOD Initialize(nsICmdLineService*aCmdLineService);
NS_IMETHOD Run(void);
NS_IMETHOD Shutdown(void);
NS_IMETHOD CreateTopLevelWindow(nsIWebShellWindow * aParent,
@@ -103,8 +111,13 @@ public:
protected:
virtual ~nsAppShellService();
void InitializeComponent( const nsCID &aComponentCID );
void ShutdownComponent( const nsCID &aComponentCID );
void EnumerateComponents( void (nsAppShellService::*function)(const nsCID&) );
nsIAppShell* mAppShell;
nsISupportsArray* mWindowList;
nsICmdLineService* mCmdLineService;
};
@@ -114,12 +127,14 @@ nsAppShellService::nsAppShellService()
mAppShell = nsnull;
mWindowList = nsnull;
mCmdLineService = nsnull;
}
nsAppShellService::~nsAppShellService()
{
NS_IF_RELEASE(mAppShell);
NS_IF_RELEASE(mWindowList);
NS_IF_RELEASE(mCmdLineService);
}
@@ -130,7 +145,7 @@ NS_IMPL_ISUPPORTS(nsAppShellService, kIAppShellServiceIID);
NS_IMETHODIMP
nsAppShellService::Initialize(void)
nsAppShellService::Initialize( nsICmdLineService *aCmdLineService )
{
nsresult rv;
#ifdef XP_PC
@@ -140,6 +155,10 @@ nsAppShellService::Initialize(void)
#ifdef MOZ_FULLCIRCLE
FCInitialize();
#endif
// Remember cmd line service.
mCmdLineService = aCmdLineService;
NS_IF_ADDREF( mCmdLineService );
// Create the Event Queue for the UI thread...
nsIEventQueueService* eventQService;
rv = nsServiceManager::GetService(kEventQueueServiceCID,
@@ -197,10 +216,174 @@ nsAppShellService::Initialize(void)
rv = mAppShell->Create(0, nsnull);
if (NS_FAILED(rv)) {
goto done;
}
// Initialize each registered component.
EnumerateComponents( InitializeComponent );
done:
return rv;
}
// Apply function (Initialize/Shutdown) to each app shell component.
void
nsAppShellService::EnumerateComponents( void (nsAppShellService::*function)( const nsCID& ) ) {
nsresult rv;
nsIRegistry *registry = 0;
nsIRegistry::Key key;
nsIEnumerator *components = 0;
const char *failed = "GetService";
if ( NS_SUCCEEDED( ( rv = nsServiceManager::GetService( NS_REGISTRY_PROGID,
nsIRegistry::GetIID(),
(nsISupports**)&registry ) ) )
&&
( failed = "Open" )
&&
NS_SUCCEEDED( ( rv = registry->Open() ) )
&&
( failed = "GetSubtree" )
&&
NS_SUCCEEDED( ( rv = registry->GetSubtree( nsIRegistry::Common,
NS_IAPPSHELLCOMPONENT_KEY,
&key ) ) )
&&
( failed = "EnumerateSubtrees" )
&&
NS_SUCCEEDED( ( rv = registry->EnumerateSubtrees( key,
&components ) ) )
&&
( failed = "First" )
&&
NS_SUCCEEDED( ( rv = components->First() ) ) ) {
// Enumerate all subtrees
while ( NS_SUCCEEDED( rv ) && !components->IsDone() ) {
nsISupports *base;
rv = components->CurrentItem( &base );
if ( NS_SUCCEEDED( rv ) ) {
// Get specific interface.
nsIRegistryNode *node;
nsIID nodeIID = NS_IREGISTRYNODE_IID;
rv = base->QueryInterface( nodeIID, (void**)&node );
// Test that result.
if ( NS_SUCCEEDED( rv ) ) {
// Get node name.
char *name;
rv = node->GetName( &name );
if ( NS_SUCCEEDED( rv ) ) {
// If this is a CID of a component; apply function to it.
nsCID cid;
if ( cid.Parse( name ) ) {
(this->*function)( cid );
} else {
// Not a valid CID, ignore it.
}
} else {
// Unable to get subkey name, ignore it.
}
// Release the node.
NS_RELEASE( node );
} else {
// Unable to convert item to registry node, ignore it.
}
// Release the current (generic) item.
NS_RELEASE( base );
} else {
// Unable to get current item, ignore it.
}
// Go on to next component, if this fails, we quit.
rv = components->Next();
}
} else {
// Unable to set up for subkey enumeration.
#ifdef NS_DEBUG
PR_fprintf( PR_STDOUT, "Unable to enumerator app shell components, %s rv=0x%08X\n",
failed, (int)rv );
#endif
}
// Clean up.
if ( registry ) {
// Registry was accessed, close it.
registry->Close();
// Release enumerator (if necessary).
NS_IF_RELEASE( components );
// Release nsIRegistry service.
nsServiceManager::ReleaseService( NS_REGISTRY_PROGID, registry );
}
return;
}
void
nsAppShellService::InitializeComponent( const nsCID &aComponentCID ) {
// Attempt to create instance of the component.
nsIAppShellComponent *component;
nsresult rv = nsComponentManager::CreateInstance( aComponentCID,
0,
nsIAppShellComponent::GetIID(),
(void**)&component );
if ( NS_SUCCEEDED( rv ) ) {
// Then tell it to initialize (it may RegisterService itself).
rv = component->Initialize( this, mCmdLineService );
#ifdef NS_DEBUG
char *name = aComponentCID.ToString();
PR_fprintf( PR_STDOUT, "Initialized app shell component %s, rv=0x%08X\n",
name, (int)rv );
delete [] name;
#endif
// Release it (will live on if it registered itself as service).
component->Release();
} else {
// Error creating component.
#ifdef NS_DEBUG
char *name = aComponentCID.ToString();
PR_fprintf( PR_STDOUT, "Error creating app shell component %s, rv=0x%08X\n",
name, (int)rv );
delete [] name;
#endif
}
return;
}
void
nsAppShellService::ShutdownComponent( const nsCID &aComponentCID ) {
// Attempt to create instance of the component (must be a service).
nsIAppShellComponent *component;
nsresult rv = nsServiceManager::GetService( aComponentCID,
nsIAppShellComponent::GetIID(),
(nsISupports**)&component );
if ( NS_SUCCEEDED( rv ) ) {
// Instance accessed, tell it to shutdown.
rv = component->Shutdown();
#ifdef NS_DEBUG
char *name = aComponentCID.ToString();
PR_fprintf( PR_STDOUT, "Shut down app shell component %s, rv=0x%08X\n",
name, (int)rv );
delete [] name;
#endif
// Release the service.
nsServiceManager::ReleaseService( aComponentCID, component );
} else {
// Error getting component service (perhaps due to that component not being
// a service).
#ifdef NS_DEBUG
char *name = aComponentCID.ToString();
PR_fprintf( PR_STDOUT, "Unable to shut down app shell component %s, rv=0x%08X\n",
name, (int)rv );
delete [] name;
#endif
}
return;
}
NS_IMETHODIMP
nsAppShellService::Run(void)
@@ -213,6 +396,9 @@ nsAppShellService::Shutdown(void)
{
#if 1
// Shutdown all components.
EnumerateComponents( ShutdownComponent );
mAppShell->Exit();
#else
while (mWindowList->Count() > 0) {