cc: Threaded GPU - fix thread binding.
[chromium-blink-merge.git] / android_webview / native / input_stream_impl.h
blobaebd7aced9b51ab3e65c88e308b58964b8549895
1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
5 #ifndef ANDROID_WEBVIEW_NATIVE_INPUT_STREAM_H_
6 #define ANDROID_WEBVIEW_NATIVE_INPUT_STREAM_H_
8 #include "android_webview/browser/input_stream.h"
9 #include "base/android/scoped_java_ref.h"
10 #include "base/compiler_specific.h"
12 namespace net {
13 class IOBuffer;
16 namespace android_webview {
18 class InputStreamImpl : public InputStream {
19 public:
20 // Maximum size of |buffer_|.
21 static const int kBufferSize;
23 static const InputStreamImpl* FromInputStream(
24 const InputStream* input_stream);
26 // |stream| should be an instance of the InputStream Java class.
27 // |stream| can't be null.
28 InputStreamImpl(const base::android::JavaRef<jobject>& stream);
29 ~InputStreamImpl() override;
31 // Gets the underlying Java object. Guaranteed non-NULL.
32 const jobject jobj() const { return jobject_.obj(); }
34 // InputStream implementation.
35 bool BytesAvailable(int* bytes_available) const override;
36 bool Skip(int64_t n, int64_t* bytes_skipped) override;
37 bool Read(net::IOBuffer* dest, int length, int* bytes_read) override;
39 protected:
40 // Parameterless constructor exposed for testing.
41 InputStreamImpl();
43 private:
44 base::android::ScopedJavaGlobalRef<jobject> jobject_;
45 base::android::ScopedJavaGlobalRef<jbyteArray> buffer_;
47 DISALLOW_COPY_AND_ASSIGN(InputStreamImpl);
50 bool RegisterInputStream(JNIEnv* env);
52 } // namespace android_webview
54 #endif // ANDROID_WEBVIEW_NATIVE_INPUT_STREAM_H_