The Tor Browser / annotate

toolkit/components/downloads/nsDownloadProxy.h@925c144e1f1f (annotated)

toolkit/components/downloads/nsDownloadProxy.h

Fri, 16 Jan 2015 18:13:44 +0100

author
Michael Schloh von Bennewitz <michael@schloh.com>
date
Fri, 16 Jan 2015 18:13:44 +0100
branch
TOR_BUG_9701
changeset 14
925c144e1f1f
permissions
-rw-r--r--

Integrate suggestion from review to improve consistency with existing code.

michael@0 1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
michael@0 2 /* This Source Code Form is subject to the terms of the Mozilla Public
michael@0 3 * License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0 4 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0 5
michael@0 6 #ifndef downloadproxy___h___
michael@0 7 #define downloadproxy___h___
michael@0 8
michael@0 9 #include "nsIDownloadManager.h"
michael@0 10 #include "nsIPrefBranch.h"
michael@0 11 #include "nsIPrefService.h"
michael@0 12 #include "nsIMIMEInfo.h"
michael@0 13 #include "nsIFileURL.h"
michael@0 14 #include "nsIDownloadManagerUI.h"
michael@0 15
michael@0 16 #define PREF_BDM_SHOWWHENSTARTING "browser.download.manager.showWhenStarting"
michael@0 17 #define PREF_BDM_FOCUSWHENSTARTING "browser.download.manager.focusWhenStarting"
michael@0 18
michael@0 19 // This class only exists because nsDownload cannot inherit from nsITransfer
michael@0 20 // directly. The reason for this is that nsDownloadManager (incorrectly) keeps
michael@0 21 // an nsCOMArray of nsDownloads, and nsCOMArray is only intended for use with
michael@0 22 // abstract classes. Using a concrete class that multiply inherits from classes
michael@0 23 // deriving from nsISupports will throw ambiguous base class errors.
michael@0 24 class nsDownloadProxy : public nsITransfer
michael@0 25 {
michael@0 26 public:
michael@0 27
michael@0 28 nsDownloadProxy() { }
michael@0 29 virtual ~nsDownloadProxy() { }
michael@0 30
michael@0 31 NS_DECL_ISUPPORTS
michael@0 32
michael@0 33 NS_IMETHODIMP Init(nsIURI* aSource,
michael@0 34 nsIURI* aTarget,
michael@0 35 const nsAString& aDisplayName,
michael@0 36 nsIMIMEInfo *aMIMEInfo,
michael@0 37 PRTime aStartTime,
michael@0 38 nsIFile* aTempFile,
michael@0 39 nsICancelable* aCancelable,
michael@0 40 bool aIsPrivate) {
michael@0 41 nsresult rv;
michael@0 42 nsCOMPtr<nsIDownloadManager> dm = do_GetService("@mozilla.org/download-manager;1", &rv);
michael@0 43 NS_ENSURE_SUCCESS(rv, rv);
michael@0 44
michael@0 45 rv = dm->AddDownload(nsIDownloadManager::DOWNLOAD_TYPE_DOWNLOAD, aSource,
michael@0 46 aTarget, aDisplayName, aMIMEInfo, aStartTime,
michael@0 47 aTempFile, aCancelable, aIsPrivate,
michael@0 48 getter_AddRefs(mInner));
michael@0 49 NS_ENSURE_SUCCESS(rv, rv);
michael@0 50
michael@0 51 nsCOMPtr<nsIPrefService> prefs = do_GetService("@mozilla.org/preferences-service;1", &rv);
michael@0 52 NS_ENSURE_SUCCESS(rv, rv);
michael@0 53 nsCOMPtr<nsIPrefBranch> branch = do_QueryInterface(prefs);
michael@0 54
michael@0 55 bool showDM = true;
michael@0 56 if (branch)
michael@0 57 branch->GetBoolPref(PREF_BDM_SHOWWHENSTARTING, &showDM);
michael@0 58
michael@0 59 if (showDM) {
michael@0 60 nsCOMPtr<nsIDownloadManagerUI> dmui =
michael@0 61 do_GetService("@mozilla.org/download-manager-ui;1", &rv);
michael@0 62 NS_ENSURE_SUCCESS(rv, rv);
michael@0 63
michael@0 64 bool visible;
michael@0 65 rv = dmui->GetVisible(&visible);
michael@0 66 NS_ENSURE_SUCCESS(rv, rv);
michael@0 67
michael@0 68 bool focusWhenStarting = true;
michael@0 69 if (branch)
michael@0 70 (void)branch->GetBoolPref(PREF_BDM_FOCUSWHENSTARTING, &focusWhenStarting);
michael@0 71
michael@0 72 if (visible && !focusWhenStarting)
michael@0 73 return NS_OK;
michael@0 74
michael@0 75 return dmui->Show(nullptr, mInner, nsIDownloadManagerUI::REASON_NEW_DOWNLOAD, aIsPrivate);
michael@0 76 }
michael@0 77 return rv;
michael@0 78 }
michael@0 79
michael@0 80 NS_IMETHODIMP OnStateChange(nsIWebProgress* aWebProgress,
michael@0 81 nsIRequest* aRequest, uint32_t aStateFlags,
michael@0 82 nsresult aStatus)
michael@0 83 {
michael@0 84 NS_ENSURE_TRUE(mInner, NS_ERROR_NOT_INITIALIZED);
michael@0 85 return mInner->OnStateChange(aWebProgress, aRequest, aStateFlags, aStatus);
michael@0 86 }
michael@0 87
michael@0 88 NS_IMETHODIMP OnStatusChange(nsIWebProgress *aWebProgress,
michael@0 89 nsIRequest *aRequest, nsresult aStatus,
michael@0 90 const char16_t *aMessage)
michael@0 91 {
michael@0 92 NS_ENSURE_TRUE(mInner, NS_ERROR_NOT_INITIALIZED);
michael@0 93 return mInner->OnStatusChange(aWebProgress, aRequest, aStatus, aMessage);
michael@0 94 }
michael@0 95
michael@0 96 NS_IMETHODIMP OnLocationChange(nsIWebProgress *aWebProgress,
michael@0 97 nsIRequest *aRequest, nsIURI *aLocation,
michael@0 98 uint32_t aFlags)
michael@0 99 {
michael@0 100 NS_ENSURE_TRUE(mInner, NS_ERROR_NOT_INITIALIZED);
michael@0 101 return mInner->OnLocationChange(aWebProgress, aRequest, aLocation, aFlags);
michael@0 102 }
michael@0 103
michael@0 104 NS_IMETHODIMP OnProgressChange(nsIWebProgress *aWebProgress,
michael@0 105 nsIRequest *aRequest,
michael@0 106 int32_t aCurSelfProgress,
michael@0 107 int32_t aMaxSelfProgress,
michael@0 108 int32_t aCurTotalProgress,
michael@0 109 int32_t aMaxTotalProgress)
michael@0 110 {
michael@0 111 NS_ENSURE_TRUE(mInner, NS_ERROR_NOT_INITIALIZED);
michael@0 112 return mInner->OnProgressChange(aWebProgress, aRequest,
michael@0 113 aCurSelfProgress,
michael@0 114 aMaxSelfProgress,
michael@0 115 aCurTotalProgress,
michael@0 116 aMaxTotalProgress);
michael@0 117 }
michael@0 118
michael@0 119 NS_IMETHODIMP OnProgressChange64(nsIWebProgress *aWebProgress,
michael@0 120 nsIRequest *aRequest,
michael@0 121 int64_t aCurSelfProgress,
michael@0 122 int64_t aMaxSelfProgress,
michael@0 123 int64_t aCurTotalProgress,
michael@0 124 int64_t aMaxTotalProgress)
michael@0 125 {
michael@0 126 NS_ENSURE_TRUE(mInner, NS_ERROR_NOT_INITIALIZED);
michael@0 127 return mInner->OnProgressChange64(aWebProgress, aRequest,
michael@0 128 aCurSelfProgress,
michael@0 129 aMaxSelfProgress,
michael@0 130 aCurTotalProgress,
michael@0 131 aMaxTotalProgress);
michael@0 132 }
michael@0 133
michael@0 134 NS_IMETHODIMP OnRefreshAttempted(nsIWebProgress *aWebProgress,
michael@0 135 nsIURI *aUri,
michael@0 136 int32_t aDelay,
michael@0 137 bool aSameUri,
michael@0 138 bool *allowRefresh)
michael@0 139 {
michael@0 140 *allowRefresh = true;
michael@0 141 return NS_OK;
michael@0 142 }
michael@0 143
michael@0 144 NS_IMETHODIMP OnSecurityChange(nsIWebProgress *aWebProgress,
michael@0 145 nsIRequest *aRequest, uint32_t aState)
michael@0 146 {
michael@0 147 NS_ENSURE_TRUE(mInner, NS_ERROR_NOT_INITIALIZED);
michael@0 148 return mInner->OnSecurityChange(aWebProgress, aRequest, aState);
michael@0 149 }
michael@0 150
michael@0 151 NS_IMETHODIMP SetSha256Hash(const nsACString& aHash)
michael@0 152 {
michael@0 153 NS_ENSURE_TRUE(mInner, NS_ERROR_NOT_INITIALIZED);
michael@0 154 return mInner->SetSha256Hash(aHash);
michael@0 155 }
michael@0 156
michael@0 157 NS_IMETHODIMP SetSignatureInfo(nsIArray* aSignatureInfo)
michael@0 158 {
michael@0 159 NS_ENSURE_TRUE(mInner, NS_ERROR_NOT_INITIALIZED);
michael@0 160 return mInner->SetSignatureInfo(aSignatureInfo);
michael@0 161 }
michael@0 162
michael@0 163 private:
michael@0 164 nsCOMPtr<nsIDownload> mInner;
michael@0 165 };
michael@0 166
michael@0 167 NS_IMPL_ISUPPORTS(nsDownloadProxy, nsITransfer,
michael@0 168 nsIWebProgressListener, nsIWebProgressListener2)
michael@0 169
michael@0 170 #endif

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