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// Copyright (c) 2012 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.
#ifndef ANDROID_WEBVIEW_NATIVE_INPUT_STREAM_H_
#define ANDROID_WEBVIEW_NATIVE_INPUT_STREAM_H_
#include "android_webview/browser/input_stream.h"
#include "base/android/scoped_java_ref.h"
#include "base/compiler_specific.h"
namespace net {
class IOBuffer;
}
namespace android_webview {
class InputStreamImpl : public InputStream {
public:
// Maximum size of |buffer_|.
static const int kBufferSize;
static const InputStreamImpl* FromInputStream(
const InputStream* input_stream);
// |stream| should be an instance of the InputStream Java class.
// |stream| can't be null.
InputStreamImpl(const base::android::JavaRef<jobject>& stream);
virtual ~InputStreamImpl();
// Gets the underlying Java object. Guaranteed non-NULL.
const jobject jobj() const { return jobject_.obj(); }
// InputStream implementation.
virtual bool BytesAvailable(int* bytes_available) const OVERRIDE;
virtual bool Skip(int64_t n, int64_t* bytes_skipped) OVERRIDE;
virtual bool Read(net::IOBuffer* dest, int length, int* bytes_read) OVERRIDE;
protected:
// Parameterless constructor exposed for testing.
InputStreamImpl();
private:
base::android::ScopedJavaGlobalRef<jobject> jobject_;
base::android::ScopedJavaGlobalRef<jbyteArray> buffer_;
DISALLOW_COPY_AND_ASSIGN(InputStreamImpl);
};
bool RegisterInputStream(JNIEnv* env);
} // namespace android_webview
#endif // ANDROID_WEBVIEW_NATIVE_INPUT_STREAM_H_
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