File: nsBaseCommandController.cpp

package info (click to toggle)
thunderbird 1:60.8.0-1~deb9u1
  • links: PTS, VCS
  • area: main
  • in suites: stretch
  • size: 2,339,208 kB
  • sloc: cpp: 5,456,704; ansic: 2,360,384; python: 596,095; asm: 340,963; java: 326,291; xml: 258,664; sh: 84,366; makefile: 23,702; perl: 17,317; objc: 3,768; yacc: 1,766; ada: 1,681; lex: 1,364; pascal: 1,264; cs: 879; exp: 527; php: 436; lisp: 258; ruby: 153; awk: 152; sed: 53; csh: 27
file content (171 lines) | stat: -rw-r--r-- 4,998 bytes parent folder | download | duplicates (7)
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
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* 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/. */

#include "nsString.h"
#include "nsIComponentManager.h"
#include "nsBaseCommandController.h"

#include "nsString.h"
#include "nsWeakPtr.h"

NS_IMPL_ADDREF(nsBaseCommandController)
NS_IMPL_RELEASE(nsBaseCommandController)

NS_INTERFACE_MAP_BEGIN(nsBaseCommandController)
  NS_INTERFACE_MAP_ENTRY(nsIController)
  NS_INTERFACE_MAP_ENTRY(nsICommandController)
  NS_INTERFACE_MAP_ENTRY(nsIControllerContext)
  NS_INTERFACE_MAP_ENTRY(nsIInterfaceRequestor)
  NS_INTERFACE_MAP_ENTRY_AMBIGUOUS(nsISupports, nsIControllerContext)
NS_INTERFACE_MAP_END

nsBaseCommandController::nsBaseCommandController()
    : mCommandContextRawPtr(nullptr) {}

nsBaseCommandController::~nsBaseCommandController() {}

NS_IMETHODIMP
nsBaseCommandController::Init(nsIControllerCommandTable* aCommandTable) {
  nsresult rv = NS_OK;

  if (aCommandTable) {
    mCommandTable = aCommandTable;
  } else {
    mCommandTable =
        do_CreateInstance(NS_CONTROLLERCOMMANDTABLE_CONTRACTID, &rv);
  }

  return rv;
}

NS_IMETHODIMP
nsBaseCommandController::SetCommandContext(nsISupports* aCommandContext) {
  mCommandContextWeakPtr = nullptr;
  mCommandContextRawPtr = nullptr;

  if (aCommandContext) {
    nsCOMPtr<nsISupportsWeakReference> weak =
        do_QueryInterface(aCommandContext);
    if (weak) {
      nsresult rv =
          weak->GetWeakReference(getter_AddRefs(mCommandContextWeakPtr));
      NS_ENSURE_SUCCESS(rv, rv);
    } else {
      mCommandContextRawPtr = aCommandContext;
    }
  }

  return NS_OK;
}

NS_IMETHODIMP
nsBaseCommandController::GetInterface(const nsIID& aIID, void** aResult) {
  NS_ENSURE_ARG_POINTER(aResult);

  if (NS_SUCCEEDED(QueryInterface(aIID, aResult))) {
    return NS_OK;
  }

  if (aIID.Equals(NS_GET_IID(nsIControllerCommandTable))) {
    if (mCommandTable) {
      return mCommandTable->QueryInterface(aIID, aResult);
    }
    return NS_ERROR_NOT_INITIALIZED;
  }

  return NS_NOINTERFACE;
}

/* =======================================================================
 * nsIController
 * ======================================================================= */

NS_IMETHODIMP
nsBaseCommandController::IsCommandEnabled(const char* aCommand, bool* aResult) {
  NS_ENSURE_ARG_POINTER(aCommand);
  NS_ENSURE_ARG_POINTER(aResult);
  NS_ENSURE_STATE(mCommandTable);

  nsISupports* context = mCommandContextRawPtr;
  nsCOMPtr<nsISupports> weak;
  if (!context) {
    weak = do_QueryReferent(mCommandContextWeakPtr);
    context = weak;
  }
  return mCommandTable->IsCommandEnabled(aCommand, context, aResult);
}

NS_IMETHODIMP
nsBaseCommandController::SupportsCommand(const char* aCommand, bool* aResult) {
  NS_ENSURE_ARG_POINTER(aCommand);
  NS_ENSURE_ARG_POINTER(aResult);
  NS_ENSURE_STATE(mCommandTable);

  nsISupports* context = mCommandContextRawPtr;
  nsCOMPtr<nsISupports> weak;
  if (!context) {
    weak = do_QueryReferent(mCommandContextWeakPtr);
    context = weak;
  }
  return mCommandTable->SupportsCommand(aCommand, context, aResult);
}

NS_IMETHODIMP
nsBaseCommandController::DoCommand(const char* aCommand) {
  NS_ENSURE_ARG_POINTER(aCommand);
  NS_ENSURE_STATE(mCommandTable);

  nsISupports* context = mCommandContextRawPtr;
  nsCOMPtr<nsISupports> weak;
  if (!context) {
    weak = do_QueryReferent(mCommandContextWeakPtr);
    context = weak;
  }
  return mCommandTable->DoCommand(aCommand, context);
}

NS_IMETHODIMP
nsBaseCommandController::DoCommandWithParams(const char* aCommand,
                                             nsICommandParams* aParams) {
  NS_ENSURE_ARG_POINTER(aCommand);
  NS_ENSURE_STATE(mCommandTable);

  nsISupports* context = mCommandContextRawPtr;
  nsCOMPtr<nsISupports> weak;
  if (!context) {
    weak = do_QueryReferent(mCommandContextWeakPtr);
    context = weak;
  }
  return mCommandTable->DoCommandParams(aCommand, aParams, context);
}

NS_IMETHODIMP
nsBaseCommandController::GetCommandStateWithParams(const char* aCommand,
                                                   nsICommandParams* aParams) {
  NS_ENSURE_ARG_POINTER(aCommand);
  NS_ENSURE_STATE(mCommandTable);

  nsISupports* context = mCommandContextRawPtr;
  nsCOMPtr<nsISupports> weak;
  if (!context) {
    weak = do_QueryReferent(mCommandContextWeakPtr);
    context = weak;
  }
  return mCommandTable->GetCommandState(aCommand, aParams, context);
}

NS_IMETHODIMP
nsBaseCommandController::OnEvent(const char* aEventName) {
  NS_ENSURE_ARG_POINTER(aEventName);
  return NS_OK;
}

NS_IMETHODIMP
nsBaseCommandController::GetSupportedCommands(uint32_t* aCount,
                                              char*** aCommands) {
  NS_ENSURE_STATE(mCommandTable);
  return mCommandTable->GetSupportedCommands(aCount, aCommands);
}