зеркало из https://github.com/mozilla/gecko-dev.git
Download manager. Not part of build. a=asa
This commit is contained in:
blakeross%telocity.com
Родитель
86fae50a07
Коммит
3e5791a99e
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@ -65,16 +65,16 @@ static NS_DEFINE_CID(kStringBundleServiceCID, NS_STRINGBUNDLESERVICE_CID);
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#define DOWNLOAD_MANAGER_FE_URL "chrome://communicator/content/downloadmanager/downloadmanager.xul"
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#define DOWNLOAD_MANAGER_BUNDLE "chrome://communicator/locale/downloadmanager/downloadmanager.properties"
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nsCOMPtr<nsIRDFResource> gNC_DownloadsRoot;
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nsCOMPtr<nsIRDFResource> gNC_File;
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nsCOMPtr<nsIRDFResource> gNC_URL;
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nsCOMPtr<nsIRDFResource> gNC_Name;
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nsCOMPtr<nsIRDFResource> gNC_ProgressPercent;
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nsCOMPtr<nsIRDFResource> gNC_Transferred;
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nsCOMPtr<nsIRDFResource> gNC_DownloadState;
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nsCOMPtr<nsIRDFResource> gNC_StatusText;
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nsIRDFResource* gNC_DownloadsRoot;
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nsIRDFResource* gNC_File;
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nsIRDFResource* gNC_URL;
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nsIRDFResource* gNC_Name;
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nsIRDFResource* gNC_ProgressPercent;
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nsIRDFResource* gNC_Transferred;
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nsIRDFResource* gNC_DownloadState;
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nsIRDFResource* gNC_StatusText;
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nsCOMPtr<nsIRDFService> gRDFService;
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nsIRDFService* gRDFService;
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///////////////////////////////////////////////////////////////////////////////
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// nsDownloadManager
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@ -84,13 +84,24 @@ NS_IMPL_ISUPPORTS3(nsDownloadManager, nsIDownloadManager, nsIDOMEventListener, n
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nsDownloadManager::nsDownloadManager() : mCurrDownloads(nsnull)
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{
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NS_INIT_ISUPPORTS();
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NS_INIT_REFCNT();
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}
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nsDownloadManager::~nsDownloadManager()
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{
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gRDFService->UnregisterDataSource(mDataSource);
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NS_IF_RELEASE(gNC_DownloadsRoot);
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NS_IF_RELEASE(gNC_File);
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NS_IF_RELEASE(gNC_URL);
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NS_IF_RELEASE(gNC_Name);
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NS_IF_RELEASE(gNC_ProgressPercent);
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NS_IF_RELEASE(gNC_Transferred);
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NS_IF_RELEASE(gNC_DownloadState);
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NS_IF_RELEASE(gNC_StatusText);
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nsServiceManager::ReleaseService(kRDFServiceCID, gRDFService);
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gRDFService = nsnull;
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delete mCurrDownloads;
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mCurrDownloads = nsnull;
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}
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@ -102,17 +113,18 @@ nsDownloadManager::Init()
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mRDFContainerUtils = do_GetService("@mozilla.org/rdf/container-utils;1", &rv);
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if (NS_FAILED(rv)) return rv;
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gRDFService = do_GetService("@mozilla.org/rdf/rdf-service;1", &rv);
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if (NS_FAILED(rv)) return rv;
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rv = nsServiceManager::GetService(kRDFServiceCID, NS_GET_IID(nsIRDFService),
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(nsISupports**) &gRDFService);
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if (NS_FAILED(rv)) return rv;
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gRDFService->GetResource("NC:DownloadsRoot", getter_AddRefs(gNC_DownloadsRoot));
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gRDFService->GetResource(NC_NAMESPACE_URI "File", getter_AddRefs(gNC_File));
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gRDFService->GetResource(NC_NAMESPACE_URI "URL", getter_AddRefs(gNC_URL));
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gRDFService->GetResource(NC_NAMESPACE_URI "Name", getter_AddRefs(gNC_Name));
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gRDFService->GetResource(NC_NAMESPACE_URI "ProgressPercent", getter_AddRefs(gNC_ProgressPercent));
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gRDFService->GetResource(NC_NAMESPACE_URI "Transferred", getter_AddRefs(gNC_Transferred));
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gRDFService->GetResource(NC_NAMESPACE_URI "DownloadState", getter_AddRefs(gNC_DownloadState));
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gRDFService->GetResource(NC_NAMESPACE_URI "StatusText", getter_AddRefs(gNC_StatusText));
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gRDFService->GetResource("NC:DownloadsRoot", &gNC_DownloadsRoot);
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gRDFService->GetResource(NC_NAMESPACE_URI "File", &gNC_File);
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gRDFService->GetResource(NC_NAMESPACE_URI "URL", &gNC_URL);
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gRDFService->GetResource(NC_NAMESPACE_URI "Name", &gNC_Name);
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gRDFService->GetResource(NC_NAMESPACE_URI "ProgressPercent", &gNC_ProgressPercent);
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gRDFService->GetResource(NC_NAMESPACE_URI "Transferred", &gNC_Transferred);
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gRDFService->GetResource(NC_NAMESPACE_URI "DownloadState", &gNC_DownloadState);
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gRDFService->GetResource(NC_NAMESPACE_URI "StatusText", &gNC_StatusText);
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nsXPIDLCString downloadsDB;
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rv = GetProfileDownloadsFileURL(getter_Copies(downloadsDB));
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@ -247,7 +259,6 @@ nsDownloadManager::AssertProgressInfo()
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nsresult
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nsDownloadManager::AssertProgressInfoFor(const char* aPersistentDescriptor)
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{
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nsresult rv = NS_ERROR_FAILURE;
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nsCStringKey key(aPersistentDescriptor);
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if (!mCurrDownloads->Exists(&key))
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return NS_ERROR_FAILURE;
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@ -258,6 +269,7 @@ nsDownloadManager::AssertProgressInfoFor(const char* aPersistentDescriptor)
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if (!download)
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return NS_ERROR_FAILURE;
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nsresult rv;
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PRInt32 percentComplete;
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nsCOMPtr<nsIRDFNode> oldTarget;
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nsCOMPtr<nsIRDFInt> intLiteral;
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@ -269,28 +281,27 @@ nsDownloadManager::AssertProgressInfoFor(const char* aPersistentDescriptor)
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// update percentage
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download->GetPercentComplete(&percentComplete);
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rv = mDataSource->GetTarget(res, gNC_ProgressPercent, PR_TRUE, getter_AddRefs(oldTarget));
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if (NS_FAILED(rv)) return rv;
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rv = gRDFService->GetIntLiteral(percentComplete, getter_AddRefs(intLiteral));
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if (NS_FAILED(rv)) return rv;
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mDataSource->GetTarget(res, gNC_ProgressPercent, PR_TRUE, getter_AddRefs(oldTarget));
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gRDFService->GetIntLiteral(percentComplete, getter_AddRefs(intLiteral));
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if (oldTarget)
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rv = mDataSource->Change(res, gNC_ProgressPercent, oldTarget, intLiteral);
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else
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rv = mDataSource->Assert(res, gNC_ProgressPercent, intLiteral, PR_TRUE);
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if (NS_FAILED(rv)) return rv;
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// update download state (not started, downloading, queued, finished, etc...)
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DownloadState state;
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internalDownload->GetDownloadState(&state);
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rv = gRDFService->GetIntLiteral(state, getter_AddRefs(intLiteral));
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gRDFService->GetIntLiteral(state, getter_AddRefs(intLiteral));
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rv = mDataSource->GetTarget(res, gNC_DownloadState, PR_TRUE, getter_AddRefs(oldTarget));
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if (NS_FAILED(rv)) return rv;
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mDataSource->GetTarget(res, gNC_DownloadState, PR_TRUE, getter_AddRefs(oldTarget));
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if (oldTarget)
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if (oldTarget) {
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rv = mDataSource->Change(res, gNC_DownloadState, oldTarget, intLiteral);
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if (NS_FAILED(rv)) return rv;
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}
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nsAutoString strKey;
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if (state == NOTSTARTED)
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@ -305,15 +316,21 @@ nsDownloadManager::AssertProgressInfoFor(const char* aPersistentDescriptor)
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strKey.Assign(NS_LITERAL_STRING("canceled"));
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nsXPIDLString value;
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mBundle->GetStringFromName(strKey.get(), getter_Copies(value));
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rv = mBundle->GetStringFromName(strKey.get(), getter_Copies(value));
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if (NS_FAILED(rv)) return rv;
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rv = gRDFService->GetLiteral(value, getter_AddRefs(literal));
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gRDFService->GetLiteral(value, getter_AddRefs(literal));
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rv = mDataSource->GetTarget(res, gNC_StatusText, PR_TRUE, getter_AddRefs(oldTarget));
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if (NS_FAILED(rv)) return rv;
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if (oldTarget)
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if (oldTarget) {
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rv = mDataSource->Change(res, gNC_StatusText, oldTarget, literal);
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if (NS_FAILED(rv)) return rv;
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}
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else {
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rv = mDataSource->Assert(res, gNC_StatusText, literal, PR_TRUE);
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if (NS_FAILED(rv)) return rv;
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}
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// update transferred
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PRInt32 current = 0;
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@ -329,16 +346,17 @@ nsDownloadManager::AssertProgressInfoFor(const char* aPersistentDescriptor)
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rv = mBundle->FormatStringFromName(NS_LITERAL_STRING("transferred").get(),
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strings, 2, getter_Copies(value));
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rv = gRDFService->GetLiteral(value, getter_AddRefs(literal));
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rv = mDataSource->GetTarget(res, gNC_Transferred, PR_TRUE, getter_AddRefs(oldTarget));
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if (NS_FAILED(rv)) return rv;
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gRDFService->GetLiteral(value, getter_AddRefs(literal));
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mDataSource->GetTarget(res, gNC_Transferred, PR_TRUE, getter_AddRefs(oldTarget));
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if (oldTarget)
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rv = mDataSource->Change(res, gNC_Transferred, oldTarget, literal);
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else
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rv = mDataSource->Assert(res, gNC_Transferred, literal, PR_TRUE);
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if (NS_FAILED(rv)) return rv;
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nsCOMPtr<nsIRDFRemoteDataSource> remote = do_QueryInterface(mDataSource);
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remote->Flush();
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@ -373,10 +391,12 @@ nsDownloadManager::AddDownload(nsIURI* aSource,
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if (!aDownload)
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return NS_ERROR_FAILURE;
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// give our new nsIDownload some info so it's ready to go off into the world
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internalDownload->SetDownloadManager(this);
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internalDownload->SetTarget(aTarget);
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internalDownload->SetSource(aSource);
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// the persistent descriptor of the target is the unique identifier we use
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nsXPIDLCString persistentDescriptor;
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aTarget->GetPersistentDescriptor(getter_Copies(persistentDescriptor));
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@ -395,8 +415,7 @@ nsDownloadManager::AddDownload(nsIURI* aSource,
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rv = downloads->AppendElement(downloadRes);
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if (NS_FAILED(rv)) return rv;
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internalDownload->SetSource(aSource);
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// NC:URL
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// Assert source url information
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nsXPIDLCString spec;
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aSource->GetSpec(getter_Copies(spec));
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@ -409,7 +428,7 @@ nsDownloadManager::AddDownload(nsIURI* aSource,
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return rv;
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}
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// NC:Name
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// Set and assert the "pretty" (display) name of the download
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nsXPIDLString prettyName;
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nsAutoString displayName; displayName.Assign(aDisplayName);
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if (displayName.IsEmpty()) {
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@ -427,7 +446,7 @@ nsDownloadManager::AddDownload(nsIURI* aSource,
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return rv;
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}
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// NC:File
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// Assert file information
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nsCOMPtr<nsIRDFResource> fileResource;
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gRDFService->GetResource(persistentDescriptor, getter_AddRefs(fileResource));
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rv = mDataSource->Assert(downloadRes, gNC_File, fileResource, PR_TRUE);
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@ -437,6 +456,7 @@ nsDownloadManager::AddDownload(nsIURI* aSource,
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return rv;
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}
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// Assert download state information (NOTSTARTED, since it's just now being added)
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nsCOMPtr<nsIRDFInt> intLiteral;
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gRDFService->GetIntLiteral(NOTSTARTED, getter_AddRefs(intLiteral));
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rv = mDataSource->Assert(downloadRes, gNC_DownloadState, intLiteral, PR_TRUE);
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@ -445,7 +465,8 @@ nsDownloadManager::AddDownload(nsIURI* aSource,
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downloads->RemoveElementAt(itemIndex, PR_TRUE, getter_AddRefs(node));
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return rv;
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}
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// Now flush all this to disk
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nsCOMPtr<nsIRDFRemoteDataSource> remote(do_QueryInterface(mDataSource));
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rv = remote->Flush();
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if (NS_FAILED(rv)) {
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@ -462,6 +483,7 @@ nsDownloadManager::AddDownload(nsIURI* aSource,
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aPersist->SetProgressListener(listener);
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}
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// we use this table to manage ongoing downloads internally
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if (!mCurrDownloads)
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mCurrDownloads = new nsHashtable();
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@ -733,7 +755,6 @@ nsDownload::nsDownload():mStartTime(0),
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mDownloadState(NOTSTARTED)
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{
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NS_INIT_ISUPPORTS();
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NS_INIT_REFCNT();
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}
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nsDownload::~nsDownload()
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