| // Copyright 2016 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. |
| |
| #include "services/ui/clipboard/clipboard_impl.h" |
| |
| #include <string.h> |
| #include <utility> |
| |
| #include "base/macros.h" |
| |
| namespace ui { |
| namespace clipboard { |
| |
| using DataMap = std::unordered_map<std::string, std::vector<uint8_t>>; |
| |
| // ClipboardData contains data copied to the Clipboard for a variety of formats. |
| // It mostly just provides APIs to cleanly access and manipulate this data. |
| class ClipboardImpl::ClipboardData { |
| public: |
| ClipboardData() : sequence_number_(0) {} |
| ~ClipboardData() {} |
| |
| uint64_t sequence_number() const { |
| return sequence_number_; |
| } |
| |
| std::vector<std::string> GetMimeTypes() const { |
| std::vector<std::string> types(data_types_.size()); |
| int i = 0; |
| for (auto it = data_types_.begin(); it != data_types_.end(); ++it, ++i) |
| types[i] = it->first; |
| |
| return types; |
| } |
| |
| void SetData(const base::Optional<DataMap>& data) { |
| sequence_number_++; |
| data_types_ = data.value_or(DataMap()); |
| } |
| |
| void GetData(const std::string& mime_type, |
| base::Optional<std::vector<uint8_t>>* data) const { |
| auto it = data_types_.find(mime_type); |
| if (it != data_types_.end()) |
| data->emplace(it->second); |
| } |
| |
| private: |
| uint64_t sequence_number_; |
| DataMap data_types_; |
| |
| DISALLOW_COPY_AND_ASSIGN(ClipboardData); |
| }; |
| |
| ClipboardImpl::ClipboardImpl() { |
| for (int i = 0; i < kNumClipboards; ++i) |
| clipboard_state_[i].reset(new ClipboardData); |
| } |
| |
| ClipboardImpl::~ClipboardImpl() { |
| } |
| |
| void ClipboardImpl::AddBinding(mojom::ClipboardRequest request) { |
| bindings_.AddBinding(this, std::move(request)); |
| } |
| |
| void ClipboardImpl::GetSequenceNumber(Clipboard::Type clipboard_type, |
| GetSequenceNumberCallback callback) { |
| std::move(callback).Run( |
| clipboard_state_[static_cast<int>(clipboard_type)]->sequence_number()); |
| } |
| |
| void ClipboardImpl::GetAvailableMimeTypes( |
| Clipboard::Type clipboard_type, |
| GetAvailableMimeTypesCallback callback) { |
| int clipboard_num = static_cast<int>(clipboard_type); |
| std::move(callback).Run(clipboard_state_[clipboard_num]->sequence_number(), |
| clipboard_state_[clipboard_num]->GetMimeTypes()); |
| } |
| |
| void ClipboardImpl::ReadClipboardData(Clipboard::Type clipboard_type, |
| const std::string& mime_type, |
| ReadClipboardDataCallback callback) { |
| int clipboard_num = static_cast<int>(clipboard_type); |
| base::Optional<std::vector<uint8_t>> mime_data; |
| uint64_t sequence = clipboard_state_[clipboard_num]->sequence_number(); |
| clipboard_state_[clipboard_num]->GetData(mime_type, &mime_data); |
| std::move(callback).Run(sequence, std::move(mime_data)); |
| } |
| |
| void ClipboardImpl::WriteClipboardData(Clipboard::Type clipboard_type, |
| const base::Optional<DataMap>& data, |
| WriteClipboardDataCallback callback) { |
| int clipboard_num = static_cast<int>(clipboard_type); |
| clipboard_state_[clipboard_num]->SetData(data); |
| std::move(callback).Run(clipboard_state_[clipboard_num]->sequence_number()); |
| } |
| |
| } // namespace clipboard |
| } // namespace ui |