summaryrefslogtreecommitdiff
path: root/browser-plugin/totemNPObject.h
blob: 17d5828798b68a3abaed086fe30aa5ef518d78ee (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
/*
 * Copyright © 2008 Christian Persch
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Library General Public
 * License as published by the Free Software Foundation; either
 * version 2 of the License, or (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Library General Public License for more details.
 *
 * You should have received a copy of the GNU Library General Public
 * License along with this library; if not, write to the
 * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
 * Boston, MA 02111-1307, USA.
 */

#ifndef __TOTEM_NPOBJECT_H__
#define __TOTEM_NPOBJECT_H__

#include <assert.h>

#include "npapi.h"
#include "npruntime.h"

class totemPlugin;
class totemNPObject;
class totemNPClass_base;
template<class T> class totemNPClass;

class totemNPObject : public NPObject {
  public:
    totemNPObject (NPP);

    virtual ~totemNPObject ();

    void* operator new (size_t aSize) throw ();

  protected:
    friend class totemNPClass_base;

    /* NPObject methods */
    virtual void Invalidate     ();
    virtual bool HasMethod      (NPIdentifier aName);
    virtual bool Invoke         (NPIdentifier aName, const NPVariant *argv, uint32_t argc, NPVariant *_result);
    virtual bool InvokeDefault  (const NPVariant *argv, uint32_t argc, NPVariant *_result);
    virtual bool HasProperty    (NPIdentifier aName);
    virtual bool GetProperty    (NPIdentifier aName, NPVariant *_result);
    virtual bool SetProperty    (NPIdentifier aName, const NPVariant *aValue);
    virtual bool RemoveProperty (NPIdentifier aName);
    virtual bool Enumerate      (NPIdentifier **_result, uint32_t *_count);
    virtual bool Construct      (const NPVariant *argv, uint32_t argc, NPVariant *_result);

    /* By Index methods */
    virtual bool InvokeByIndex         (int aIndex, const NPVariant *argv, uint32_t argc, NPVariant *_result);
    virtual bool GetPropertyByIndex    (int aIndex, NPVariant *_result);
    virtual bool SetPropertyByIndex    (int aIndex, const NPVariant *aValue);
    virtual bool RemovePropertyByIndex (int aIndex);

  private:

    NPP mNPP;
    totemPlugin *mPlugin;

  protected:

    bool IsValid () const { return mPlugin != 0; }
    totemPlugin* Plugin () const { assert (IsValid ()); return mPlugin; }

    bool Throw (const char*);
    bool ThrowPropertyNotWritable ();
    bool ThrowSecurityError ();

    bool CheckArgc (uint32_t, uint32_t, uint32_t = uint32_t(-1), bool = true);
    bool CheckArgType (NPVariantType, NPVariantType, uint32_t = 0);
    bool CheckArg (const NPVariant*, uint32_t, uint32_t, NPVariantType);
    bool CheckArgv (const NPVariant*, uint32_t, uint32_t, ...);

    bool GetBoolFromArguments (const NPVariant*, uint32_t, uint32_t, bool&);
    bool GetInt32FromArguments (const NPVariant*, uint32_t, uint32_t, int32_t&);
    bool GetDoubleFromArguments (const NPVariant*, uint32_t, uint32_t, double&);
    bool GetNPStringFromArguments (const NPVariant*, uint32_t, uint32_t, NPString&);
    bool DupStringFromArguments (const NPVariant*, uint32_t, uint32_t, char*&);
    bool GetObjectFromArguments (const NPVariant*, uint32_t, uint32_t, NPObject*&);

    bool VoidVariant (NPVariant*);
    bool NullVariant (NPVariant*);
    bool BoolVariant (NPVariant*, bool);
    bool Int32Variant (NPVariant*, int32_t);
    bool DoubleVariant (NPVariant*, double);
    bool StringVariant (NPVariant*, const char*, int32_t = -1);
    bool ObjectVariant (NPVariant*, NPObject*);

  private:

    totemNPClass_base* GetClass() const { return static_cast<totemNPClass_base*>(_class); }
};

/* Helper macros */
#define TOTEM_LOG_CTOR() g_debug ("%s [%p]", __func__, (void*) this)
#define TOTEM_LOG_DTOR() g_debug ("%s [%p]", __func__, (void*) this)

#define TOTEM_LOG_INVOKE(i, T) \
{\
  static bool logAccess[G_N_ELEMENTS (methodNames)];\
  if (!logAccess[i]) {\
    g_debug ("NOTE: site calls function %s::%s", #T, methodNames[i]);\
    logAccess[i] = true;\
  }\
}

#define TOTEM_LOG_GETTER(i, T) \
{\
  static bool logAccess[G_N_ELEMENTS (propertyNames)];\
  if (!logAccess[i]) {\
    g_debug ("NOTE: site gets property %s::%s", #T, propertyNames[i]);\
    logAccess[i] = true;\
  }\
}

#define TOTEM_LOG_SETTER(i, T) \
{\
  static bool logAccess[G_N_ELEMENTS (propertyNames)];\
  if (!logAccess[i]) {\
    g_debug ("NOTE: site sets property %s::%s", #T, propertyNames[i]);\
    logAccess[i] = true;\
  }\
}

#define TOTEM_WARN_INVOKE_UNIMPLEMENTED(i, T) \
{\
  static bool logWarning[G_N_ELEMENTS (methodNames)];\
  if (!logWarning[i]) {\
    g_warning ("WARNING: function %s::%s is unimplemented", #T, methodNames[i]);\
    logWarning[i] = true;\
  }\
}

#define TOTEM_WARN_1_INVOKE_UNIMPLEMENTED(i, T) \
{\
  static bool logWarning;\
  if (!logWarning) {\
    g_warning ("WARNING: function %s::%s is unimplemented", #T, methodNames[i]);\
    logWarning = true;\
  }\
}

#define TOTEM_WARN_GETTER_UNIMPLEMENTED(i, T) \
{\
  static bool logWarning[G_N_ELEMENTS (propertyNames)];\
  if (!logWarning[i]) {\
    g_warning ("WARNING: getter for property %s::%s is unimplemented", #T, propertyNames[i]);\
    logWarning[i] = true;\
  }\
}

#define TOTEM_WARN_1_GETTER_UNIMPLEMENTED(i, T) \
{\
  static bool logWarning;\
  if (!logWarning) {\
    g_warning ("WARNING: getter for property %s::%s is unimplemented", #T, propertyNames[i]);\
    logWarning = true;\
  }\
}

#define TOTEM_WARN_SETTER_UNIMPLEMENTED(i, T) \
{\
  static bool logWarning[G_N_ELEMENTS (propertyNames)];\
  if (!logWarning[i]) {\
    g_warning ("WARNING: setter for property %s::%s is unimplemented", #T, propertyNames[i]);\
    logWarning[i] = true;\
  }\
}

#define TOTEM_WARN_1_SETTER_UNIMPLEMENTED(i, T) \
{\
  static bool logWarning;\
  if (!logWarning) {\
    g_warning ("WARNING: setter for property %s::%s is unimplemented", #T, propertyNames[i]);\
    logWarning = true;\
  }\
}

#endif /* __TOTEM_NPOBJECT_H__ */