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// Copyright 2014 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 COMPONENTS_CLIPBOARD_CLIPBOARD_STANDALONE_IMPL_H_
#define COMPONENTS_CLIPBOARD_CLIPBOARD_STANDALONE_IMPL_H_
#include <base/memory/scoped_ptr.h>
#include <string>
#include "components/clipboard/public/interfaces/clipboard.mojom.h"
#include "third_party/mojo/src/mojo/public/cpp/bindings/strong_binding.h"
namespace clipboard {
// Stub clipboard implementation.
//
// Eventually, we'll actually want to interact with the system clipboard, but
// that's hard today because the system clipboard is asynchronous (on X11), the
// ui::Clipboard interface is synchronous (which is what we'd use), mojo is
// asynchronous across processes, and the WebClipboard interface is synchronous
// (which is at least tractable).
class ClipboardStandaloneImpl : public mojo::Clipboard {
public:
// mojo::Clipboard exposes three possible clipboards.
static const int kNumClipboards = 3;
explicit ClipboardStandaloneImpl(
mojo::InterfaceRequest<mojo::Clipboard> request);
~ClipboardStandaloneImpl() override;
// mojo::Clipboard implementation.
void GetSequenceNumber(
mojo::Clipboard::Type clipboard_type,
const mojo::Callback<void(uint64_t)>& callback) override;
void GetAvailableMimeTypes(
mojo::Clipboard::Type clipboard_types,
const mojo::Callback<void(mojo::Array<mojo::String>)>& callback) override;
void ReadMimeType(
mojo::Clipboard::Type clipboard_type,
const mojo::String& mime_type,
const mojo::Callback<void(mojo::Array<uint8_t>)>& callback) override;
void WriteClipboardData(
mojo::Clipboard::Type clipboard_type,
mojo::Map<mojo::String, mojo::Array<uint8_t>> data) override;
private:
uint64_t sequence_number_[kNumClipboards];
// Internal struct which stores the current state of the clipboard.
class ClipboardData;
// The current clipboard state. This is what is read from.
scoped_ptr<ClipboardData> clipboard_state_[kNumClipboards];
mojo::StrongBinding<mojo::Clipboard> binding_;
DISALLOW_COPY_AND_ASSIGN(ClipboardStandaloneImpl);
};
} // namespace clipboard
#endif // COMPONENTS_CLIPBOARD_CLIPBOARD_STANDALONE_IMPL_H_
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