gfx/2d/DrawEventRecorder.h

Tue, 06 Jan 2015 21:39:09 +0100

author
Michael Schloh von Bennewitz <michael@schloh.com>
date
Tue, 06 Jan 2015 21:39:09 +0100
branch
TOR_BUG_9701
changeset 8
97036ab72558
permissions
-rw-r--r--

Conditionally force memory storage according to privacy.thirdparty.isolate;
This solves Tor bug #9701, complying with disk avoidance documented in
https://www.torproject.org/projects/torbrowser/design/#disk-avoidance.

michael@0 1 /* -*- Mode: C++; tab-width: 20; 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 MOZILLA_GFX_DRAWEVENTRECORDER_H_
michael@0 7 #define MOZILLA_GFX_DRAWEVENTRECORDER_H_
michael@0 8
michael@0 9 #include "2D.h"
michael@0 10 #include "RecordedEvent.h"
michael@0 11 #include <ostream>
michael@0 12 #include <fstream>
michael@0 13
michael@0 14 #if defined(_MSC_VER)
michael@0 15 #include <hash_set>
michael@0 16 #else
michael@0 17 #include <set>
michael@0 18 #endif
michael@0 19
michael@0 20 namespace mozilla {
michael@0 21 namespace gfx {
michael@0 22
michael@0 23 class PathRecording;
michael@0 24
michael@0 25 class DrawEventRecorderPrivate : public DrawEventRecorder
michael@0 26 {
michael@0 27 public:
michael@0 28 MOZ_DECLARE_REFCOUNTED_VIRTUAL_TYPENAME(DrawEventRecorderPrivate)
michael@0 29 DrawEventRecorderPrivate(std::ostream *aStream);
michael@0 30 virtual ~DrawEventRecorderPrivate() { }
michael@0 31
michael@0 32 void RecordEvent(const RecordedEvent &aEvent);
michael@0 33 void WritePath(const PathRecording *aPath);
michael@0 34
michael@0 35 void AddStoredPath(const ReferencePtr aPath) {
michael@0 36 mStoredPaths.insert(aPath);
michael@0 37 }
michael@0 38
michael@0 39 void RemoveStoredPath(const ReferencePtr aPath) {
michael@0 40 mStoredPaths.erase(aPath);
michael@0 41 }
michael@0 42
michael@0 43 bool HasStoredPath(const ReferencePtr aPath) {
michael@0 44 if (mStoredPaths.find(aPath) != mStoredPaths.end()) {
michael@0 45 return true;
michael@0 46 }
michael@0 47 return false;
michael@0 48 }
michael@0 49
michael@0 50 protected:
michael@0 51 std::ostream *mOutputStream;
michael@0 52
michael@0 53 virtual void Flush() = 0;
michael@0 54
michael@0 55 #if defined(_MSC_VER)
michael@0 56 typedef stdext::hash_set<const void*> ObjectSet;
michael@0 57 #else
michael@0 58 typedef std::set<const void*> ObjectSet;
michael@0 59 #endif
michael@0 60
michael@0 61 ObjectSet mStoredPaths;
michael@0 62 ObjectSet mStoredScaledFonts;
michael@0 63 };
michael@0 64
michael@0 65 class DrawEventRecorderFile : public DrawEventRecorderPrivate
michael@0 66 {
michael@0 67 public:
michael@0 68 MOZ_DECLARE_REFCOUNTED_VIRTUAL_TYPENAME(DrawEventRecorderFile)
michael@0 69 DrawEventRecorderFile(const char *aFilename);
michael@0 70 ~DrawEventRecorderFile();
michael@0 71
michael@0 72 private:
michael@0 73 virtual void Flush();
michael@0 74
michael@0 75 std::ofstream mOutputFile;
michael@0 76 };
michael@0 77
michael@0 78 }
michael@0 79 }
michael@0 80
michael@0 81 #endif /* MOZILLA_GFX_DRAWEVENTRECORDER_H_ */

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