gfx/2d/DrawEventRecorder.h

   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/. */
   5
   6 #ifndef MOZILLA_GFX_DRAWEVENTRECORDER_H_
   7 #define MOZILLA_GFX_DRAWEVENTRECORDER_H_
   8
   9 #include "2D.h"
  10 #include "RecordedEvent.h"
  11 #include <ostream>
  12 #include <fstream>
  13
  14 #if defined(_MSC_VER)
  15 #include <hash_set>
  16 #else
  17 #include <set>
  18 #endif
  19
  20 namespace mozilla {
  21 namespace gfx {
  22
  23 class PathRecording;
  24
  25 class DrawEventRecorderPrivate : public DrawEventRecorder
  26 {
  27 public:
  28   MOZ_DECLARE_REFCOUNTED_VIRTUAL_TYPENAME(DrawEventRecorderPrivate)
  29   explicit DrawEventRecorderPrivate(std::ostream *aStream);
  30   virtual ~DrawEventRecorderPrivate() { }
  31
  32   void RecordEvent(const RecordedEvent &aEvent);
  33   void WritePath(const PathRecording *aPath);
  34
  35   void AddStoredPath(const ReferencePtr aPath) {
  36     mStoredPaths.insert(aPath);
  37   }
  38
  39   void RemoveStoredPath(const ReferencePtr aPath) {
  40     mStoredPaths.erase(aPath);
  41   }
  42
  43   bool HasStoredPath(const ReferencePtr aPath) {
  44     if (mStoredPaths.find(aPath) != mStoredPaths.end()) {
  45       return true;
  46     }
  47     return false;
  48   }
  49
  50 protected:
  51   std::ostream *mOutputStream;
  52
  53   virtual void Flush() = 0;
  54
  55 #if defined(_MSC_VER)
  56   typedef stdext::hash_set<const void*> ObjectSet;
  57 #else
  58   typedef std::set<const void*> ObjectSet;
  59 #endif
  60
  61   ObjectSet mStoredPaths;
  62   ObjectSet mStoredScaledFonts;
  63 };
  64
  65 class DrawEventRecorderFile : public DrawEventRecorderPrivate
  66 {
  67 public:
  68   MOZ_DECLARE_REFCOUNTED_VIRTUAL_TYPENAME(DrawEventRecorderFile)
  69   explicit DrawEventRecorderFile(const char *aFilename);
  70   ~DrawEventRecorderFile();
  71
  72 private:
  73   virtual void Flush();
  74
  75   std::ofstream mOutputFile;
  76 };
  77
  78 }
  79 }
  80
  81 #endif /* MOZILLA_GFX_DRAWEVENTRECORDER_H_ */