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Diffstat (limited to 'toolkit/components/downloads/nsDownloadProxy.h')
| -rw-r--r-- | toolkit/components/downloads/nsDownloadProxy.h | 179 |
1 files changed, 179 insertions, 0 deletions
diff --git a/toolkit/components/downloads/nsDownloadProxy.h b/toolkit/components/downloads/nsDownloadProxy.h new file mode 100644 index 000000000..ca48c9dad --- /dev/null +++ b/toolkit/components/downloads/nsDownloadProxy.h @@ -0,0 +1,179 @@ +/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ +/* This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ + +#ifndef downloadproxy___h___ +#define downloadproxy___h___ + +#include "nsIDownloadManager.h" +#include "nsIPrefBranch.h" +#include "nsIPrefService.h" +#include "nsIMIMEInfo.h" +#include "nsIFileURL.h" +#include "nsIDownloadManagerUI.h" + +#define PREF_BDM_SHOWWHENSTARTING "browser.download.manager.showWhenStarting" +#define PREF_BDM_FOCUSWHENSTARTING "browser.download.manager.focusWhenStarting" + +// This class only exists because nsDownload cannot inherit from nsITransfer +// directly. The reason for this is that nsDownloadManager (incorrectly) keeps +// an nsCOMArray of nsDownloads, and nsCOMArray is only intended for use with +// abstract classes. Using a concrete class that multiply inherits from classes +// deriving from nsISupports will throw ambiguous base class errors. +class nsDownloadProxy : public nsITransfer +{ +protected: + + virtual ~nsDownloadProxy() { } + +public: + + nsDownloadProxy() { } + + NS_DECL_ISUPPORTS + + NS_IMETHOD Init(nsIURI* aSource, + nsIURI* aTarget, + const nsAString& aDisplayName, + nsIMIMEInfo *aMIMEInfo, + PRTime aStartTime, + nsIFile* aTempFile, + nsICancelable* aCancelable, + bool aIsPrivate) override { + nsresult rv; + nsCOMPtr<nsIDownloadManager> dm = do_GetService("@mozilla.org/download-manager;1", &rv); + NS_ENSURE_SUCCESS(rv, rv); + + rv = dm->AddDownload(nsIDownloadManager::DOWNLOAD_TYPE_DOWNLOAD, aSource, + aTarget, aDisplayName, aMIMEInfo, aStartTime, + aTempFile, aCancelable, aIsPrivate, + getter_AddRefs(mInner)); + NS_ENSURE_SUCCESS(rv, rv); + + nsCOMPtr<nsIPrefService> prefs = do_GetService("@mozilla.org/preferences-service;1", &rv); + NS_ENSURE_SUCCESS(rv, rv); + nsCOMPtr<nsIPrefBranch> branch = do_QueryInterface(prefs); + + bool showDM = true; + if (branch) + branch->GetBoolPref(PREF_BDM_SHOWWHENSTARTING, &showDM); + + if (showDM) { + nsCOMPtr<nsIDownloadManagerUI> dmui = + do_GetService("@mozilla.org/download-manager-ui;1", &rv); + NS_ENSURE_SUCCESS(rv, rv); + + bool visible; + rv = dmui->GetVisible(&visible); + NS_ENSURE_SUCCESS(rv, rv); + + bool focusWhenStarting = true; + if (branch) + (void)branch->GetBoolPref(PREF_BDM_FOCUSWHENSTARTING, &focusWhenStarting); + + if (visible && !focusWhenStarting) + return NS_OK; + + return dmui->Show(nullptr, mInner, nsIDownloadManagerUI::REASON_NEW_DOWNLOAD, aIsPrivate); + } + return rv; + } + + NS_IMETHOD OnStateChange(nsIWebProgress* aWebProgress, + nsIRequest* aRequest, uint32_t aStateFlags, + nsresult aStatus) override + { + NS_ENSURE_TRUE(mInner, NS_ERROR_NOT_INITIALIZED); + return mInner->OnStateChange(aWebProgress, aRequest, aStateFlags, aStatus); + } + + NS_IMETHOD OnStatusChange(nsIWebProgress *aWebProgress, + nsIRequest *aRequest, nsresult aStatus, + const char16_t *aMessage) override + { + NS_ENSURE_TRUE(mInner, NS_ERROR_NOT_INITIALIZED); + return mInner->OnStatusChange(aWebProgress, aRequest, aStatus, aMessage); + } + + NS_IMETHOD OnLocationChange(nsIWebProgress *aWebProgress, + nsIRequest *aRequest, nsIURI *aLocation, + uint32_t aFlags) override + { + NS_ENSURE_TRUE(mInner, NS_ERROR_NOT_INITIALIZED); + return mInner->OnLocationChange(aWebProgress, aRequest, aLocation, aFlags); + } + + NS_IMETHOD OnProgressChange(nsIWebProgress *aWebProgress, + nsIRequest *aRequest, + int32_t aCurSelfProgress, + int32_t aMaxSelfProgress, + int32_t aCurTotalProgress, + int32_t aMaxTotalProgress) override + { + NS_ENSURE_TRUE(mInner, NS_ERROR_NOT_INITIALIZED); + return mInner->OnProgressChange(aWebProgress, aRequest, + aCurSelfProgress, + aMaxSelfProgress, + aCurTotalProgress, + aMaxTotalProgress); + } + + NS_IMETHOD OnProgressChange64(nsIWebProgress *aWebProgress, + nsIRequest *aRequest, + int64_t aCurSelfProgress, + int64_t aMaxSelfProgress, + int64_t aCurTotalProgress, + int64_t aMaxTotalProgress) override + { + NS_ENSURE_TRUE(mInner, NS_ERROR_NOT_INITIALIZED); + return mInner->OnProgressChange64(aWebProgress, aRequest, + aCurSelfProgress, + aMaxSelfProgress, + aCurTotalProgress, + aMaxTotalProgress); + } + + NS_IMETHOD OnRefreshAttempted(nsIWebProgress *aWebProgress, + nsIURI *aUri, + int32_t aDelay, + bool aSameUri, + bool *allowRefresh) override + { + *allowRefresh = true; + return NS_OK; + } + + NS_IMETHOD OnSecurityChange(nsIWebProgress *aWebProgress, + nsIRequest *aRequest, uint32_t aState) override + { + NS_ENSURE_TRUE(mInner, NS_ERROR_NOT_INITIALIZED); + return mInner->OnSecurityChange(aWebProgress, aRequest, aState); + } + + NS_IMETHOD SetSha256Hash(const nsACString& aHash) override + { + NS_ENSURE_TRUE(mInner, NS_ERROR_NOT_INITIALIZED); + return mInner->SetSha256Hash(aHash); + } + + NS_IMETHOD SetSignatureInfo(nsIArray* aSignatureInfo) override + { + NS_ENSURE_TRUE(mInner, NS_ERROR_NOT_INITIALIZED); + return mInner->SetSignatureInfo(aSignatureInfo); + } + + NS_IMETHOD SetRedirects(nsIArray* aRedirects) override + { + NS_ENSURE_TRUE(mInner, NS_ERROR_NOT_INITIALIZED); + return mInner->SetRedirects(aRedirects); + } + +private: + nsCOMPtr<nsIDownload> mInner; +}; + +NS_IMPL_ISUPPORTS(nsDownloadProxy, nsITransfer, + nsIWebProgressListener, nsIWebProgressListener2) + +#endif |