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mojo/services/clipboard/clipboard_standalone_impl.cc

+// 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.
+
+#include "mojo/services/clipboard/clipboard_standalone_impl.h"
+
+#include <string.h>
+
+#include "mojo/public/cpp/bindings/array.h"
+#include "mojo/public/cpp/bindings/callback.h"
+#include "mojo/public/cpp/bindings/string.h"
+
+using mojo::Array;
+using mojo::Map;
+using mojo::String;
+
+namespace clipboard {
+
+// 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 ClipboardStandaloneImpl::ClipboardData {
+ public:
+  ClipboardData() {}
+  ~ClipboardData() {}
+
+  Array<String> GetMimeTypes() const {
+    Array<String> types(data_types_.size());
+    int i = 0;
+    for (auto it = data_types_.begin(); it != data_types_.end(); ++it, ++i)
+      types[i] = it.GetKey();
+
+    return types.Pass();
+  }
+
+  void SetData(Map<String, Array<uint8_t>> data) { data_types_ = data.Pass(); }
+
+  void GetData(const String& mime_type, Array<uint8_t>* data) const {
+    auto it = data_types_.find(mime_type);
+    if (it != data_types_.end())
+      *data = it.GetValue().Clone();
+  }
+
+ private:
+  Map<String, Array<uint8_t>> data_types_;
+
+  DISALLOW_COPY_AND_ASSIGN(ClipboardData);
+};
+
+ClipboardStandaloneImpl::ClipboardStandaloneImpl(
+    mojo::InterfaceRequest<mojo::Clipboard> request)
+    : binding_(this, request.Pass()) {
+  for (int i = 0; i < kNumClipboards; ++i) {
+    sequence_number_[i] = 0;
+    clipboard_state_[i].reset(new ClipboardData);
+  }
+}
+
+ClipboardStandaloneImpl::~ClipboardStandaloneImpl() {
+}
+
+void ClipboardStandaloneImpl::GetSequenceNumber(
+    Clipboard::Type clipboard_type,
+    const mojo::Callback<void(uint64_t)>& callback) {
+  callback.Run(sequence_number_[clipboard_type]);
+}
+
+void ClipboardStandaloneImpl::GetAvailableMimeTypes(
+    Clipboard::Type clipboard_type,
+    const mojo::Callback<void(Array<String>)>& callback) {
+  callback.Run(clipboard_state_[clipboard_type]->GetMimeTypes().Pass());
+}
+
+void ClipboardStandaloneImpl::ReadMimeType(
+    Clipboard::Type clipboard_type,
+    const String& mime_type,
+    const mojo::Callback<void(Array<uint8_t>)>& callback) {
+  Array<uint8_t> mime_data;
+  clipboard_state_[clipboard_type]->GetData(mime_type, &mime_data);
+  callback.Run(mime_data.Pass());
+}
+
+void ClipboardStandaloneImpl::WriteClipboardData(
+    Clipboard::Type clipboard_type,
+    Map<String, Array<uint8_t>> data) {
+  sequence_number_[clipboard_type]++;
+  clipboard_state_[clipboard_type]->SetData(data.Pass());
+}
+
+}  // namespace clipboard