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Bug 289540 - download manager takes only one listener. r=mconnor

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This commit is contained in:
sdwilsh@shawnwilsher.com 2007-05-25 16:47:53 -07:00
parent 97c8ba1e03
commit eb3a5b4b69
5 changed files with 87 additions and 42 deletions
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17
toolkit/components/downloads/public/nsIDownloadManager.idl
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@ -51,7 +51,7 @@ interface nsIDownloadProgressListener;
interface nsISimpleEnumerator;
interface mozIStorageConnection;
[scriptable, uuid(541712be-f582-4e1c-a85e-7b4652c4f392)]
[scriptable, uuid(1c015a52-c4e3-4c1c-9071-2c2eaeed8bfc)]
interface nsIDownloadManager : nsISupports {
// Download States
const short DOWNLOAD_NOTSTARTED = -1;
@ -165,11 +165,6 @@ interface nsIDownloadManager : nsISupports {
*/
readonly attribute mozIStorageConnection DBConnection;
/**
* The Download Manager's progress listener.
*/
attribute nsIDownloadProgressListener listener;
/**
* Whether or not there are downloads that can be cleaned up (removed)
* i.e. downloads that have completed, have failed or have been canceled.
@ -190,6 +185,16 @@ interface nsIDownloadManager : nsISupports {
* An enumeration of active nsIDownloads
*/
readonly attribute nsISimpleEnumerator activeDownloads;
/**
* Adds a listener from the download manager.
*/
void addListener(in nsIDownloadProgressListener aListener);
/**
* Removes a listener from the download manager.
*/
void removeListener(in nsIDownloadProgressListener aListener);
};

88
toolkit/components/downloads/src/nsDownloadManager.cpp
View File

@ -681,22 +681,6 @@ nsDownloadManager::GetCanCleanUp(PRBool *aResult)
return rv;
}
NS_IMETHODIMP
nsDownloadManager::SetListener(nsIDownloadProgressListener *aListener)
{
mListener = aListener;
return NS_OK;
}
NS_IMETHODIMP
nsDownloadManager::GetListener(nsIDownloadProgressListener** aListener)
{
NS_IF_ADDREF(*aListener = mListener);
return NS_OK;
}
NS_IMETHODIMP
nsDownloadManager::PauseDownload(PRUint32 aID)
{
@ -851,6 +835,57 @@ nsDownloadManager::GetDBConnection(mozIStorageConnection **aDBConn)
return NS_OK;
}
NS_IMETHODIMP
nsDownloadManager::AddListener(nsIDownloadProgressListener *aListener)
{
mListeners.AppendObject(aListener);
return NS_OK;
}
NS_IMETHODIMP
nsDownloadManager::RemoveListener(nsIDownloadProgressListener *aListener)
{
mListeners.RemoveObject(aListener);
return NS_OK;
}
void
nsDownloadManager::NotifyListenersOnDownloadStateChange(PRInt16 aOldState,
nsIDownload *aDownload)
{
for (PRInt32 i = mListeners.Count() - 1; i >= 0; --i)
mListeners[i]->OnDownloadStateChange(aOldState, aDownload);
}
void
nsDownloadManager::NotifyListenersOnProgressChange(nsIWebProgress *aProgress,
nsIRequest *aRequest,
PRInt64 aCurSelfProgress,
PRInt64 aMaxSelfProgress,
PRInt64 aCurTotalProgress,
PRInt64 aMaxTotalProgress,
nsIDownload *aDownload)
{
for (PRInt32 i = mListeners.Count() - 1; i >= 0; --i)
mListeners[i]->OnProgressChange(aProgress, aRequest, aCurSelfProgress,
aMaxSelfProgress, aCurTotalProgress,
aMaxTotalProgress, aDownload);
}
void
nsDownloadManager::NotifyListenersOnStateChange(nsIWebProgress *aProgress,
nsIRequest *aRequest,
PRUint32 aStateFlags,
nsresult aStatus,
nsIDownload *aDownload)
{
for (PRInt32 i = mListeners.Count() - 1; i >= 0; --i)
mListeners[i]->OnStateChange(aProgress, aRequest, aStateFlags, aStatus,
aDownload);
}
///////////////////////////////////////////////////////////////////////////////
// nsIObserver
@ -1178,8 +1213,7 @@ nsDownload::SetState(DownloadState aState)
nsresult rv = UpdateDB();
NS_ENSURE_SUCCESS(rv, rv);
if (mDownloadManager->mListener)
mDownloadManager->mListener->OnDownloadStateChange(oldState, this);
mDownloadManager->NotifyListenersOnDownloadStateChange(oldState, this);
return NS_OK;
}
@ -1248,14 +1282,9 @@ nsDownload::OnProgressChange64(nsIWebProgress *aWebProgress,
mCurrBytes = aCurTotalProgress;
mMaxBytes = aMaxTotalProgress;
if (mDownloadManager->NeedsUIUpdate()) {
nsIDownloadProgressListener* dpl = mDownloadManager->mListener;
if (dpl) {
dpl->OnProgressChange(aWebProgress, aRequest, aCurSelfProgress,
aMaxSelfProgress, aCurTotalProgress,
aMaxTotalProgress, this);
}
}
mDownloadManager->NotifyListenersOnProgressChange(
aWebProgress, aRequest, aCurSelfProgress, aMaxSelfProgress,
aCurTotalProgress, aMaxTotalProgress, this);
return NS_OK;
}
@ -1454,11 +1483,8 @@ nsDownload::OnStateChange(nsIWebProgress* aWebProgress,
mDownloadManager->RemoveDownload(mID);
}
if (mDownloadManager->NeedsUIUpdate()) {
nsIDownloadProgressListener* dpl = mDownloadManager->mListener;
if (dpl)
dpl->OnStateChange(aWebProgress, aRequest, aStateFlags, aStatus, this);
}
mDownloadManager->NotifyListenersOnStateChange(aWebProgress, aRequest,
aStateFlags, aStatus, this);
return UpdateDB();
}

18
toolkit/components/downloads/src/nsDownloadManager.h
View File

@ -110,6 +110,21 @@ protected:
PRInt64 aEndTime,
PRInt32 aState);
void NotifyListenersOnDownloadStateChange(PRInt16 aOldState,
nsIDownload *aDownload);
void NotifyListenersOnProgressChange(nsIWebProgress *aProgress,
nsIRequest *aRequest,
PRInt64 aCurSelfProgress,
PRInt64 aMaxSelfProgress,
PRInt64 aCurTotalProgress,
PRInt64 aMaxTotalProgress,
nsIDownload *aDownload);
void NotifyListenersOnStateChange(nsIWebProgress *aProgress,
nsIRequest *aRequest,
PRUint32 aStateFlags,
nsresult aStatus,
nsIDownload *aDownload);
nsDownload *FindDownload(PRUint32 aID);
nsresult PauseResumeDownload(PRUint32 aID, PRBool aPause);
nsresult CancelAllDownloads();
@ -131,7 +146,6 @@ protected:
nsIDownload* aDownload,
nsIDOMWindow* aParent);
PRBool NeedsUIUpdate() { return mListener != nsnull; }
PRInt32 GetRetentionBehavior();
static PRBool IsInFinalStage(DownloadState aState)
@ -157,7 +171,7 @@ protected:
}
private:
nsCOMPtr<nsIDownloadProgressListener> mListener;
nsCOMArray<nsIDownloadProgressListener> mListeners;
nsCOMPtr<nsIXPIProgressDialog> mXPIProgress;
nsCOMPtr<nsIStringBundle> mBundle;
nsCOMPtr<nsITimer> mDMOpenTimer;

2
toolkit/components/downloads/test/unit/test_download_manager.js
View File

@ -206,7 +206,7 @@ function run_test()
onLocationChange: function(a, b, c, d) { },
onSecurityChange: function(a, b, c, d) { }
};
dm.listener = listener;
dm.addListener(listener);
print("Try creating observer...");
var observer = {

4
toolkit/mozapps/downloads/content/downloads.js
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@ -520,7 +520,7 @@ function Startup()
// notifications.
var downloadStrings = document.getElementById("downloadStrings");
gDownloadListener = new DownloadProgressListener(document, downloadStrings);
gDownloadManager.listener = gDownloadListener;
gDownloadManager.addListener(gDownloadListener);
// The active downloads list is created by the front end only when the download starts,
// so we need to pre-populate it with any downloads that were already going.
@ -580,7 +580,7 @@ function Startup()
function Shutdown()
{
gDownloadManager.listener = null;
gDownloadManager.removeListener(gDownloadListener);
var pbi = Components.classes["@mozilla.org/preferences-service;1"]
.getService(Components.interfaces.nsIPrefBranch2);