Index: net/android/content_uri_utils.cc |
diff --git a/net/android/content_uri_utils.cc b/net/android/content_uri_utils.cc |
new file mode 100644 |
index 0000000000000000000000000000000000000000..bd44b4916c4274343b275259758474d8746006dd |
--- /dev/null |
+++ b/net/android/content_uri_utils.cc |
@@ -0,0 +1,68 @@ |
+// Copyright (c) 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 "net/android/content_uri_utils.h" |
+ |
+#include "base/android/jni_android.h" |
+#include "base/android/jni_string.h" |
+#include "base/location.h" |
+#include "base/task_runner.h" |
+#include "base/task_runner_util.h" |
+#include "jni/ContentUriUtils_jni.h" |
+#include "net/base/net_errors.h" |
+ |
+using base::android::ConvertUTF8ToJavaString; |
+ |
+namespace net { |
+ |
+namespace { |
+ |
+int64 GetLengthInternal(const GURL& content_url) { |
+ JNIEnv* env = base::android::AttachCurrentThread(); |
+ ScopedJavaLocalRef<jstring> j_uri = |
+ ConvertUTF8ToJavaString(env, content_url.spec()); |
+ jlong length = Java_ContentUriUtils_getContentLength( |
+ env, base::android::GetApplicationContext(), j_uri.obj()); |
+ return length; |
+} |
+ |
+void OnGetLengthCompleted( |
+ const net::Int64CompletionCallback& callback, int64 length) { |
+ callback.Run(length); |
+} |
+ |
+} // namespace |
+ |
+bool RegisterContentUriUtils(JNIEnv* env) { |
+ return RegisterNativesImpl(env); |
+} |
+ |
+int64 GetContentUrlLength(base::TaskRunner* task_runner, |
+ const GURL& content_url, |
+ const net::Int64CompletionCallback& callback) { |
+ bool posted = base::PostTaskAndReplyWithResult( |
+ task_runner, |
+ FROM_HERE, |
+ base::Bind(&GetLengthInternal, content_url), |
+ base::Bind(&OnGetLengthCompleted, callback)); |
+ DCHECK(posted); |
+ return net::ERR_IO_PENDING; |
+} |
+ |
+int64 GetContentUrlLengthSync(const GURL& content_url) { |
+ return GetLengthInternal(content_url); |
+} |
+ |
+int OpenContentUrlForRead(const GURL& content_url) { |
+ JNIEnv* env = base::android::AttachCurrentThread(); |
+ ScopedJavaLocalRef<jstring> j_uri = |
+ ConvertUTF8ToJavaString(env, content_url.spec()); |
+ jint fd = Java_ContentUriUtils_openContentUriForRead( |
+ env, base::android::GetApplicationContext(), j_uri.obj()); |
+ if (fd < 0) |
+ return base::kInvalidPlatformFileValue; |
+ return fd; |
+} |
+ |
+} // namespace net |