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
|
// Copyright 2013 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "base/android/content_uri_utils.h"
#include "base/android/context_utils.h"
#include "base/android/jni_android.h"
#include "base/android/jni_string.h"
#include "jni/ContentUriUtils_jni.h"
using base::android::ConvertUTF8ToJavaString;
using base::android::ScopedJavaLocalRef;
namespace base {
bool ContentUriExists(const FilePath& content_uri) {
JNIEnv* env = base::android::AttachCurrentThread();
ScopedJavaLocalRef<jstring> j_uri =
ConvertUTF8ToJavaString(env, content_uri.value());
return Java_ContentUriUtils_contentUriExists(
env, base::android::GetApplicationContext(), j_uri);
}
File OpenContentUriForRead(const FilePath& content_uri) {
JNIEnv* env = base::android::AttachCurrentThread();
ScopedJavaLocalRef<jstring> j_uri =
ConvertUTF8ToJavaString(env, content_uri.value());
jint fd = Java_ContentUriUtils_openContentUriForRead(
env, base::android::GetApplicationContext(), j_uri);
if (fd < 0)
return File();
return File(fd);
}
std::string GetContentUriMimeType(const FilePath& content_uri) {
JNIEnv* env = base::android::AttachCurrentThread();
ScopedJavaLocalRef<jstring> j_uri =
ConvertUTF8ToJavaString(env, content_uri.value());
ScopedJavaLocalRef<jstring> j_mime = Java_ContentUriUtils_getMimeType(
env, base::android::GetApplicationContext(), j_uri);
if (j_mime.is_null())
return std::string();
return base::android::ConvertJavaStringToUTF8(env, j_mime.obj());
}
} // namespace base
|
