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
187
188
189
190
191
192
193
194
195
196
|
/*
==============================================================================
This file is part of the JUCE library.
Copyright (c) 2017 - ROLI Ltd.
JUCE is an open source library subject to commercial or open-source
licensing.
The code included in this file is provided under the terms of the ISC license
http://www.isc.org/downloads/software-support-policy/isc-license. Permission
To use, copy, modify, and/or distribute this software for any purpose with or
without fee is hereby granted provided that the above copyright notice and
this permission notice appear in all copies.
JUCE IS PROVIDED "AS IS" WITHOUT ANY WARRANTY, AND ALL WARRANTIES, WHETHER
EXPRESSED OR IMPLIED, INCLUDING MERCHANTABILITY AND FITNESS FOR PURPOSE, ARE
DISCLAIMED.
==============================================================================
*/
namespace juce
{
#define JNI_CLASS_MEMBERS(METHOD, STATICMETHOD, FIELD, STATICFIELD) \
METHOD (constructor, "<init>", "(Landroid/content/Context;Landroid/media/MediaScannerConnection$MediaScannerConnectionClient;)V") \
METHOD (connect, "connect", "()V") \
METHOD (disconnect, "disconnect", "()V") \
METHOD (scanFile, "scanFile", "(Ljava/lang/String;Ljava/lang/String;)V") \
DECLARE_JNI_CLASS (MediaScannerConnection, "android/media/MediaScannerConnection");
#undef JNI_CLASS_MEMBERS
//==============================================================================
class MediaScannerConnectionClient : public AndroidInterfaceImplementer
{
public:
virtual void onMediaScannerConnected() = 0;
virtual void onScanCompleted() = 0;
private:
jobject invoke (jobject proxy, jobject method, jobjectArray args) override
{
auto* env = getEnv();
auto methodName = juceString ((jstring) env->CallObjectMethod (method, Method.getName));
if (methodName == "onMediaScannerConnected")
{
onMediaScannerConnected();
return nullptr;
}
else if (methodName == "onScanCompleted")
{
onScanCompleted();
return nullptr;
}
return AndroidInterfaceImplementer::invoke (proxy, method, args);
}
};
//==============================================================================
bool File::isOnCDRomDrive() const
{
return false;
}
bool File::isOnHardDisk() const
{
return true;
}
bool File::isOnRemovableDrive() const
{
return false;
}
String File::getVersion() const
{
return {};
}
static File getSpecialFile (jmethodID type)
{
return File (juceString (LocalRef<jstring> ((jstring) getEnv()->CallStaticObjectMethod (JuceAppActivity, type))));
}
File File::getSpecialLocation (const SpecialLocationType type)
{
switch (type)
{
case userHomeDirectory:
case userApplicationDataDirectory:
case userDesktopDirectory:
case commonApplicationDataDirectory:
return File (android.appDataDir);
case userDocumentsDirectory:
case commonDocumentsDirectory: return getSpecialFile (JuceAppActivity.getDocumentsFolder);
case userPicturesDirectory: return getSpecialFile (JuceAppActivity.getPicturesFolder);
case userMusicDirectory: return getSpecialFile (JuceAppActivity.getMusicFolder);
case userMoviesDirectory: return getSpecialFile (JuceAppActivity.getMoviesFolder);
case globalApplicationsDirectory:
return File ("/system/app");
case tempDirectory:
{
File tmp = File (android.appDataDir).getChildFile (".temp");
tmp.createDirectory();
return File (tmp.getFullPathName());
}
case invokedExecutableFile:
case currentExecutableFile:
case currentApplicationFile:
case hostApplicationPath:
return juce_getExecutableFile();
default:
jassertfalse; // unknown type?
break;
}
return {};
}
bool File::moveToTrash() const
{
if (! exists())
return true;
// TODO
return false;
}
JUCE_API bool JUCE_CALLTYPE Process::openDocument (const String& fileName, const String&)
{
const LocalRef<jstring> t (javaString (fileName));
android.activity.callVoidMethod (JuceAppActivity.launchURL, t.get());
return true;
}
void File::revealToUser() const
{
}
//==============================================================================
class SingleMediaScanner : public MediaScannerConnectionClient
{
public:
SingleMediaScanner (const String& filename)
: msc (getEnv()->NewObject (MediaScannerConnection,
MediaScannerConnection.constructor,
android.activity.get(),
CreateJavaInterface (this, "android/media/MediaScannerConnection$MediaScannerConnectionClient").get())),
file (filename)
{
getEnv()->CallVoidMethod (msc.get(), MediaScannerConnection.connect);
}
void onMediaScannerConnected() override
{
auto* env = getEnv();
env->CallVoidMethod (msc.get(), MediaScannerConnection.scanFile, javaString (file).get(), 0);
}
void onScanCompleted() override
{
getEnv()->CallVoidMethod (msc.get(), MediaScannerConnection.disconnect);
}
private:
GlobalRef msc;
String file;
};
void FileOutputStream::flushInternal()
{
if (fileHandle != 0)
{
if (fsync (getFD (fileHandle)) == -1)
status = getResultForErrno();
// This stuff tells the OS to asynchronously update the metadata
// that the OS has cached aboud the file - this metadata is used
// when the device is acting as a USB drive, and unless it's explicitly
// refreshed, it'll get out of step with the real file.
new SingleMediaScanner (file.getFullPathName());
}
}
} // namespace juce
|
