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64 lines
2.0 KiB
C++
64 lines
2.0 KiB
C++
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// Copyright 2013 The Chromium Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#include "base/android/content_uri_utils.h"
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#include "base/android/jni_android.h"
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#include "base/android/jni_string.h"
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#include "jni/ContentUriUtils_jni.h"
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using base::android::ConvertUTF8ToJavaString;
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using base::android::ScopedJavaLocalRef;
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namespace base {
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bool ContentUriExists(const FilePath& content_uri) {
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JNIEnv* env = base::android::AttachCurrentThread();
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ScopedJavaLocalRef<jstring> j_uri =
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ConvertUTF8ToJavaString(env, content_uri.value());
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return Java_ContentUriUtils_contentUriExists(env, j_uri);
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}
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File OpenContentUriForRead(const FilePath& content_uri) {
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JNIEnv* env = base::android::AttachCurrentThread();
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ScopedJavaLocalRef<jstring> j_uri =
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ConvertUTF8ToJavaString(env, content_uri.value());
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jint fd = Java_ContentUriUtils_openContentUriForRead(env, j_uri);
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if (fd < 0)
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return File();
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return File(fd);
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}
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std::string GetContentUriMimeType(const FilePath& content_uri) {
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JNIEnv* env = base::android::AttachCurrentThread();
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ScopedJavaLocalRef<jstring> j_uri =
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ConvertUTF8ToJavaString(env, content_uri.value());
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ScopedJavaLocalRef<jstring> j_mime =
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Java_ContentUriUtils_getMimeType(env, j_uri);
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if (j_mime.is_null())
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return std::string();
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return base::android::ConvertJavaStringToUTF8(env, j_mime.obj());
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}
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bool MaybeGetFileDisplayName(const FilePath& content_uri,
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base::string16* file_display_name) {
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DCHECK(content_uri.IsContentUri());
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DCHECK(file_display_name);
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JNIEnv* env = base::android::AttachCurrentThread();
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ScopedJavaLocalRef<jstring> j_uri =
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ConvertUTF8ToJavaString(env, content_uri.value());
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ScopedJavaLocalRef<jstring> j_display_name =
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Java_ContentUriUtils_maybeGetDisplayName(env, j_uri);
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if (j_display_name.is_null())
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return false;
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*file_display_name = base::android::ConvertJavaStringToUTF16(j_display_name);
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return true;
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}
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} // namespace base
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