gfx/2d/DrawEventRecorder.h@97036ab72558
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.
1 /* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 2 -*-
2 * This Source Code Form is subject to the terms of the Mozilla Public
3 * License, v. 2.0. If a copy of the MPL was not distributed with this
4 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
6 #ifndef MOZILLA_GFX_DRAWEVENTRECORDER_H_
7 #define MOZILLA_GFX_DRAWEVENTRECORDER_H_
9 #include "2D.h"
10 #include "RecordedEvent.h"
11 #include <ostream>
12 #include <fstream>
14 #if defined(_MSC_VER)
15 #include <hash_set>
16 #else
17 #include <set>
18 #endif
20 namespace mozilla {
21 namespace gfx {
23 class PathRecording;
25 class DrawEventRecorderPrivate : public DrawEventRecorder
26 {
27 public:
28 MOZ_DECLARE_REFCOUNTED_VIRTUAL_TYPENAME(DrawEventRecorderPrivate)
29 DrawEventRecorderPrivate(std::ostream *aStream);
30 virtual ~DrawEventRecorderPrivate() { }
32 void RecordEvent(const RecordedEvent &aEvent);
33 void WritePath(const PathRecording *aPath);
35 void AddStoredPath(const ReferencePtr aPath) {
36 mStoredPaths.insert(aPath);
37 }
39 void RemoveStoredPath(const ReferencePtr aPath) {
40 mStoredPaths.erase(aPath);
41 }
43 bool HasStoredPath(const ReferencePtr aPath) {
44 if (mStoredPaths.find(aPath) != mStoredPaths.end()) {
45 return true;
46 }
47 return false;
48 }
50 protected:
51 std::ostream *mOutputStream;
53 virtual void Flush() = 0;
55 #if defined(_MSC_VER)
56 typedef stdext::hash_set<const void*> ObjectSet;
57 #else
58 typedef std::set<const void*> ObjectSet;
59 #endif
61 ObjectSet mStoredPaths;
62 ObjectSet mStoredScaledFonts;
63 };
65 class DrawEventRecorderFile : public DrawEventRecorderPrivate
66 {
67 public:
68 MOZ_DECLARE_REFCOUNTED_VIRTUAL_TYPENAME(DrawEventRecorderFile)
69 DrawEventRecorderFile(const char *aFilename);
70 ~DrawEventRecorderFile();
72 private:
73 virtual void Flush();
75 std::ofstream mOutputFile;
76 };
78 }
79 }
81 #endif /* MOZILLA_GFX_DRAWEVENTRECORDER_H_ */
