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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 /layout/style/nsFontFaceLoader.h
parent49ee0794b5d912db1f95dce6eb52d781dc210db5 (diff)
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Add m-esr52 at 52.6.0
Diffstat (limited to 'layout/style/nsFontFaceLoader.h')
-rw-r--r--layout/style/nsFontFaceLoader.h63
1 files changed, 63 insertions, 0 deletions
diff --git a/layout/style/nsFontFaceLoader.h b/layout/style/nsFontFaceLoader.h
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+++ b/layout/style/nsFontFaceLoader.h
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+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+// vim:cindent:ts=2:et:sw=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/. */
+
+/* code for loading in @font-face defined font data */
+
+#ifndef nsFontFaceLoader_h_
+#define nsFontFaceLoader_h_
+
+#include "mozilla/Attributes.h"
+#include "mozilla/TimeStamp.h"
+#include "nsCOMPtr.h"
+#include "nsIStreamLoader.h"
+#include "nsIChannel.h"
+#include "gfxUserFontSet.h"
+#include "nsHashKeys.h"
+#include "nsTHashtable.h"
+#include "nsCSSRules.h"
+
+class nsIPrincipal;
+
+class nsFontFaceLoader : public nsIStreamLoaderObserver
+{
+public:
+ nsFontFaceLoader(gfxUserFontEntry* aFontToLoad, nsIURI* aFontURI,
+ mozilla::dom::FontFaceSet* aFontFaceSet,
+ nsIChannel* aChannel);
+
+ NS_DECL_ISUPPORTS
+ NS_DECL_NSISTREAMLOADEROBSERVER
+
+ // initiate the load
+ nsresult Init();
+ // cancel the load and remove its reference to mFontFaceSet
+ void Cancel();
+
+ void DropChannel() { mChannel = nullptr; }
+
+ void StartedLoading(nsIStreamLoader* aStreamLoader);
+
+ static void LoadTimerCallback(nsITimer* aTimer, void* aClosure);
+
+ gfxUserFontEntry* GetUserFontEntry() const { return mUserFontEntry; }
+
+protected:
+ virtual ~nsFontFaceLoader();
+
+ // helper method for determining the font-display value
+ uint8_t GetFontDisplay();
+
+private:
+ RefPtr<gfxUserFontEntry> mUserFontEntry;
+ nsCOMPtr<nsIURI> mFontURI;
+ RefPtr<mozilla::dom::FontFaceSet> mFontFaceSet;
+ nsCOMPtr<nsIChannel> mChannel;
+ nsCOMPtr<nsITimer> mLoadTimer;
+ mozilla::TimeStamp mStartTime;
+ nsIStreamLoader* mStreamLoader;
+};
+
+#endif /* !defined(nsFontFaceLoader_h_) */