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authorMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
committerMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
commit5f8de423f190bbb79a62f804151bc24824fa32d8 (patch)
tree10027f336435511475e392454359edea8e25895d /netwerk/protocol/about/nsAboutCache.h
parent49ee0794b5d912db1f95dce6eb52d781dc210db5 (diff)
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Add m-esr52 at 52.6.0
Diffstat (limited to 'netwerk/protocol/about/nsAboutCache.h')
-rw-r--r--netwerk/protocol/about/nsAboutCache.h136
1 files changed, 136 insertions, 0 deletions
diff --git a/netwerk/protocol/about/nsAboutCache.h b/netwerk/protocol/about/nsAboutCache.h
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+++ b/netwerk/protocol/about/nsAboutCache.h
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+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/* 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 nsAboutCache_h__
+#define nsAboutCache_h__
+
+#include "nsIAboutModule.h"
+#include "nsICacheStorageVisitor.h"
+#include "nsICacheStorage.h"
+
+#include "nsString.h"
+#include "nsIOutputStream.h"
+#include "nsILoadContextInfo.h"
+
+#include "nsCOMPtr.h"
+#include "nsTArray.h"
+
+#define NS_FORWARD_SAFE_NSICHANNEL_SUBSET(_to) \
+ NS_IMETHOD GetOriginalURI(nsIURI * *aOriginalURI) override { return !_to ? NS_ERROR_NULL_POINTER : _to->GetOriginalURI(aOriginalURI); } \
+ NS_IMETHOD SetOriginalURI(nsIURI *aOriginalURI) override { return !_to ? NS_ERROR_NULL_POINTER : _to->SetOriginalURI(aOriginalURI); } \
+ NS_IMETHOD GetURI(nsIURI * *aURI) override { return !_to ? NS_ERROR_NULL_POINTER : _to->GetURI(aURI); } \
+ NS_IMETHOD GetOwner(nsISupports * *aOwner) override { return !_to ? NS_ERROR_NULL_POINTER : _to->GetOwner(aOwner); } \
+ NS_IMETHOD SetOwner(nsISupports *aOwner) override { return !_to ? NS_ERROR_NULL_POINTER : _to->SetOwner(aOwner); } \
+ NS_IMETHOD GetNotificationCallbacks(nsIInterfaceRequestor * *aNotificationCallbacks) override { return !_to ? NS_ERROR_NULL_POINTER : _to->GetNotificationCallbacks(aNotificationCallbacks); } \
+ NS_IMETHOD SetNotificationCallbacks(nsIInterfaceRequestor *aNotificationCallbacks) override { return !_to ? NS_ERROR_NULL_POINTER : _to->SetNotificationCallbacks(aNotificationCallbacks); } \
+ NS_IMETHOD GetSecurityInfo(nsISupports * *aSecurityInfo) override { return !_to ? NS_ERROR_NULL_POINTER : _to->GetSecurityInfo(aSecurityInfo); } \
+ NS_IMETHOD GetContentType(nsACString & aContentType) override { return !_to ? NS_ERROR_NULL_POINTER : _to->GetContentType(aContentType); } \
+ NS_IMETHOD SetContentType(const nsACString & aContentType) override { return !_to ? NS_ERROR_NULL_POINTER : _to->SetContentType(aContentType); } \
+ NS_IMETHOD GetContentCharset(nsACString & aContentCharset) override { return !_to ? NS_ERROR_NULL_POINTER : _to->GetContentCharset(aContentCharset); } \
+ NS_IMETHOD SetContentCharset(const nsACString & aContentCharset) override { return !_to ? NS_ERROR_NULL_POINTER : _to->SetContentCharset(aContentCharset); } \
+ NS_IMETHOD GetContentLength(int64_t *aContentLength) override { return !_to ? NS_ERROR_NULL_POINTER : _to->GetContentLength(aContentLength); } \
+ NS_IMETHOD SetContentLength(int64_t aContentLength) override { return !_to ? NS_ERROR_NULL_POINTER : _to->SetContentLength(aContentLength); } \
+ NS_IMETHOD GetContentDisposition(uint32_t *aContentDisposition) override { return !_to ? NS_ERROR_NULL_POINTER : _to->GetContentDisposition(aContentDisposition); } \
+ NS_IMETHOD SetContentDisposition(uint32_t aContentDisposition) override { return !_to ? NS_ERROR_NULL_POINTER : _to->SetContentDisposition(aContentDisposition); } \
+ NS_IMETHOD GetContentDispositionFilename(nsAString & aContentDispositionFilename) override { return !_to ? NS_ERROR_NULL_POINTER : _to->GetContentDispositionFilename(aContentDispositionFilename); } \
+ NS_IMETHOD SetContentDispositionFilename(const nsAString & aContentDispositionFilename) override { return !_to ? NS_ERROR_NULL_POINTER : _to->SetContentDispositionFilename(aContentDispositionFilename); } \
+ NS_IMETHOD GetContentDispositionHeader(nsACString & aContentDispositionHeader) override { return !_to ? NS_ERROR_NULL_POINTER : _to->GetContentDispositionHeader(aContentDispositionHeader); } \
+ NS_IMETHOD GetLoadInfo(nsILoadInfo * *aLoadInfo) override { return !_to ? NS_ERROR_NULL_POINTER : _to->GetLoadInfo(aLoadInfo); } \
+ NS_IMETHOD SetLoadInfo(nsILoadInfo *aLoadInfo) override { return !_to ? NS_ERROR_NULL_POINTER : _to->SetLoadInfo(aLoadInfo); } \
+
+class nsAboutCache final : public nsIAboutModule
+{
+public:
+ NS_DECL_ISUPPORTS
+ NS_DECL_NSIABOUTMODULE
+
+ nsAboutCache() {}
+
+ static MOZ_MUST_USE nsresult
+ Create(nsISupports *aOuter, REFNSIID aIID, void **aResult);
+
+ static MOZ_MUST_USE nsresult
+ GetStorage(nsACString const & storageName, nsILoadContextInfo* loadInfo,
+ nsICacheStorage **storage);
+
+protected:
+ virtual ~nsAboutCache() {}
+
+ class Channel final : public nsIChannel
+ , public nsICacheStorageVisitor
+ {
+ NS_DECL_ISUPPORTS
+ NS_DECL_NSICACHESTORAGEVISITOR
+ NS_FORWARD_SAFE_NSIREQUEST(mChannel)
+ NS_FORWARD_SAFE_NSICHANNEL_SUBSET(mChannel)
+ NS_IMETHOD AsyncOpen(nsIStreamListener *aListener, nsISupports *aContext) override;
+ NS_IMETHOD AsyncOpen2(nsIStreamListener *aListener) override;
+ NS_IMETHOD Open(nsIInputStream * *_retval) override;
+ NS_IMETHOD Open2(nsIInputStream * *_retval) override;
+
+ private:
+ virtual ~Channel() {}
+
+ public:
+ MOZ_MUST_USE nsresult Init(nsIURI* aURI, nsILoadInfo* aLoadInfo);
+ MOZ_MUST_USE nsresult ParseURI(nsIURI * uri, nsACString & storage);
+
+ // Finds a next storage we wish to visit (we use this method
+ // even there is a specified storage name, which is the only
+ // one in the list then.) Posts FireVisitStorage() when found.
+ MOZ_MUST_USE nsresult VisitNextStorage();
+ // Helper method that calls VisitStorage() for the current storage.
+ // When it fails, OnCacheEntryVisitCompleted is simulated to close
+ // the output stream and thus the about:cache channel.
+ void FireVisitStorage();
+ // Kiks the visit cycle for the given storage, names can be:
+ // "disk", "memory", "appcache"
+ // Note: any newly added storage type has to be manually handled here.
+ MOZ_MUST_USE nsresult VisitStorage(nsACString const & storageName);
+
+ // Writes content of mBuffer to mStream and truncates
+ // the buffer. It may fail when the input stream is closed by canceling
+ // the input stream channel. It can be used to stop the cache iteration
+ // process.
+ MOZ_MUST_USE nsresult FlushBuffer();
+
+ // Whether we are showing overview status of all available
+ // storages.
+ bool mOverview;
+
+ // Flag initially false, that indicates the entries header has
+ // been added to the output HTML.
+ bool mEntriesHeaderAdded;
+
+ // Cancelation flag
+ bool mCancel;
+
+ // The context we are working with.
+ nsCOMPtr<nsILoadContextInfo> mLoadInfo;
+ nsCString mContextString;
+
+ // The list of all storage names we want to visit
+ nsTArray<nsCString> mStorageList;
+ nsCString mStorageName;
+ nsCOMPtr<nsICacheStorage> mStorage;
+
+ // Output data buffering and streaming output
+ nsCString mBuffer;
+ nsCOMPtr<nsIOutputStream> mStream;
+
+ // The input stream channel, the one that actually does the job
+ nsCOMPtr<nsIChannel> mChannel;
+ };
+};
+
+#define NS_ABOUT_CACHE_MODULE_CID \
+{ /* 9158c470-86e4-11d4-9be2-00e09872a416 */ \
+ 0x9158c470, \
+ 0x86e4, \
+ 0x11d4, \
+ {0x9b, 0xe2, 0x00, 0xe0, 0x98, 0x72, 0xa4, 0x16} \
+}
+
+#endif // nsAboutCache_h__