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 #include "mojo/services/clipboard/clipboard_standalone_impl.h" 6 7 namespace mojo { 8 9 typedef std::vector<uint8_t> ByteVector; 10 11 // ClipboardData contains data copied to the Clipboard for a variety of formats. 12 // It mostly just provides APIs to cleanly access and manipulate this data. 13 class ClipboardStandaloneImpl::ClipboardData { 14 public: 15 ClipboardData() {} 16 ~ClipboardData() {} 17 18 std::vector<std::string> GetMimeTypes() const { 19 std::vector<std::string> types; 20 for (std::map<std::string, ByteVector>::const_iterator it = 21 data_types_.begin(); 22 it != data_types_.end(); 23 ++it) { 24 types.push_back(it->first); 25 } 26 27 return types; 28 } 29 30 void SetData(std::map<std::string, ByteVector>* data) { 31 std::swap(data_types_, *data); 32 } 33 34 bool GetData(const std::string& mime_type, ByteVector* data) const { 35 std::map<std::string, ByteVector>::const_iterator it = 36 data_types_.find(mime_type); 37 if (it != data_types_.end()) { 38 *data = it->second; 39 return true; 40 } 41 42 return false; 43 } 44 45 private: 46 std::map<std::string, ByteVector> data_types_; 47 48 DISALLOW_COPY_AND_ASSIGN(ClipboardData); 49 }; 50 51 ClipboardStandaloneImpl::ClipboardStandaloneImpl() { 52 for (int i = 0; i < kNumClipboards; ++i) { 53 sequence_number_[i] = 0; 54 clipboard_state_[i].reset(new ClipboardData); 55 } 56 } 57 58 ClipboardStandaloneImpl::~ClipboardStandaloneImpl() { 59 } 60 61 void ClipboardStandaloneImpl::GetSequenceNumber( 62 Clipboard::Type clipboard_type, 63 const mojo::Callback<void(uint64_t)>& callback) { 64 callback.Run(sequence_number_[clipboard_type]); 65 } 66 67 void ClipboardStandaloneImpl::GetAvailableMimeTypes( 68 Clipboard::Type clipboard_type, 69 const mojo::Callback<void(mojo::Array<mojo::String>)>& callback) { 70 mojo::Array<mojo::String> types = mojo::Array<mojo::String>::From( 71 clipboard_state_[clipboard_type]->GetMimeTypes()); 72 callback.Run(types.Pass()); 73 } 74 75 void ClipboardStandaloneImpl::ReadMimeType( 76 Clipboard::Type clipboard_type, 77 const mojo::String& mime_type, 78 const mojo::Callback<void(mojo::Array<uint8_t>)>& callback) { 79 ByteVector mime_data; 80 if (clipboard_state_[clipboard_type]->GetData( 81 mime_type.To<std::string>(), &mime_data)) { 82 callback.Run(mojo::Array<uint8_t>::From(mime_data).Pass()); 83 return; 84 } 85 86 callback.Run(mojo::Array<uint8_t>().Pass()); 87 } 88 89 void ClipboardStandaloneImpl::WriteClipboardData( 90 Clipboard::Type clipboard_type, 91 mojo::Array<MimeTypePairPtr> data) { 92 std::map<std::string, ByteVector> mime_data; 93 for (size_t i = 0; i < data.size(); ++i) 94 mime_data[data[i]->mime_type] = data[i]->data; 95 96 sequence_number_[clipboard_type]++; 97 clipboard_state_[clipboard_type]->SetData(&mime_data); 98 } 99 100 } // namespace mojo 101
