1 // Copyright (c) 2014 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. 4 5 #ifndef MOJO_SERVICES_CLIPBOARD_CLIPBOARD_STANDALONE_IMPL_H_ 6 #define MOJO_SERVICES_CLIPBOARD_CLIPBOARD_STANDALONE_IMPL_H_ 7 8 #include <base/memory/scoped_ptr.h> 9 #include <string> 10 11 #include "mojo/services/public/interfaces/clipboard/clipboard.mojom.h" 12 13 namespace mojo { 14 15 // Stub clipboard implementation. 16 // 17 // Eventually, we'll actually want to interact with the system clipboard, but 18 // that's hard today because the system clipboard is asynchronous (on X11), the 19 // ui::Clipboard interface is synchronous (which is what we'd use), mojo is 20 // asynchronous across processes, and the WebClipboard interface is synchronous 21 // (which is at least tractable). 22 class ClipboardStandaloneImpl : public InterfaceImpl<mojo::Clipboard> { 23 public: 24 // mojo::Clipboard exposes three possible clipboards. 25 static const int kNumClipboards = 3; 26 27 ClipboardStandaloneImpl(); 28 virtual ~ClipboardStandaloneImpl(); 29 30 // InterfaceImpl<mojo::Clipboard> implementation. 31 virtual void GetSequenceNumber(Clipboard::Type clipboard_type, 32 const mojo::Callback<void(uint64_t)>& callback) 33 MOJO_OVERRIDE; 34 virtual void GetAvailableMimeTypes( 35 Clipboard::Type clipboard_types, 36 const mojo::Callback<void(mojo::Array<mojo::String>)>& callback) 37 MOJO_OVERRIDE; 38 virtual void ReadMimeType( 39 Clipboard::Type clipboard_type, 40 const mojo::String& mime_type, 41 const mojo::Callback<void(mojo::Array<uint8_t>)>& callback) 42 MOJO_OVERRIDE; 43 virtual void WriteClipboardData(Clipboard::Type clipboard_type, 44 mojo::Array<MimeTypePairPtr> data) 45 MOJO_OVERRIDE; 46 47 private: 48 uint64_t sequence_number_[kNumClipboards]; 49 50 // Internal struct which stores the current state of the clipboard. 51 class ClipboardData; 52 53 // The current clipboard state. This is what is read from. 54 scoped_ptr<ClipboardData> clipboard_state_[kNumClipboards]; 55 56 DISALLOW_COPY_AND_ASSIGN(ClipboardStandaloneImpl); 57 }; 58 59 } // namespace mojo 60 61 #endif // MOJO_SERVICES_CLIPBOARD_CLIPBOARD_STANDALONE_IMPL_H_ 62