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
|
/* -*- Mode: C++; tab-width: 3; indent-tabs-mode: nil; c-basic-offset: 2 -*-
* 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/. */
#ifndef nsOSHelperAppService_h__
#define nsOSHelperAppService_h__
// The OS helper app service is a subclass of nsExternalHelperAppService and is implemented on each
// platform. It contains platform specific code for finding helper applications for a given mime type
// in addition to launching those applications.
#include "nsExternalHelperAppService.h"
#include "nsCExternalHandlerService.h"
#include "nsMIMEInfoImpl.h"
#include "nsCOMPtr.h"
#include <windows.h>
#ifdef _WIN32_WINNT
#undef _WIN32_WINNT
#endif
#define _WIN32_WINNT 0x0600
#include <shlobj.h>
class nsMIMEInfoWin;
class nsOSHelperAppService : public nsExternalHelperAppService
{
public:
nsOSHelperAppService();
virtual ~nsOSHelperAppService();
// override nsIExternalProtocolService methods
nsresult OSProtocolHandlerExists(const char * aProtocolScheme, bool * aHandlerExists);
nsresult LoadUriInternal(nsIURI * aURL);
NS_IMETHOD GetApplicationDescription(const nsACString& aScheme, nsAString& _retval);
// method overrides for windows registry look up steps....
already_AddRefed<nsIMIMEInfo> GetMIMEInfoFromOS(const nsACString& aMIMEType, const nsACString& aFileExt, bool *aFound);
NS_IMETHOD GetProtocolHandlerInfoFromOS(const nsACString &aScheme,
bool *found,
nsIHandlerInfo **_retval);
virtual bool GetMIMETypeFromOSForExtension(const nsACString& aExtension,
nsACString& aMIMEType) override;
/** Get the string value of a registry value and store it in result.
* @return true on success, false on failure
*/
static bool GetValueString(HKEY hKey, const char16_t* pValueName, nsAString& result);
protected:
nsresult GetDefaultAppInfo(const nsAString& aTypeName, nsAString& aDefaultDescription, nsIFile** aDefaultApplication);
// Lookup a mime info by extension, using an optional type hint
already_AddRefed<nsMIMEInfoWin> GetByExtension(const nsAFlatString& aFileExt, const char *aTypeHint = nullptr);
nsresult FindOSMimeInfoForType(const char * aMimeContentType, nsIURI * aURI, char ** aFileExtension, nsIMIMEInfo ** aMIMEInfo);
static nsresult GetMIMEInfoFromRegistry(const nsAFlatString& fileType, nsIMIMEInfo *pInfo);
/// Looks up the type for the extension aExt and compares it to aType
static bool typeFromExtEquals(const char16_t* aExt, const char *aType);
private:
IApplicationAssociationRegistration* mAppAssoc;
};
#endif // nsOSHelperAppService_h__
|
