Implement bluetooth chooser for Chrome Apps on Mac

extensions/browser/ui/extension_bluetooth_chooser.cc

+// 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 "extensions/browser/ui/extension_bluetooth_chooser.h"
+
+#include "content/public/browser/web_contents.h"
+#include "extensions/browser/extensions_browser_client.h"
+#include "extensions/browser/ui/extension_chooser_dialog.h"
+
+namespace extensions {
+
+ExtensionBluetoothChooser::ExtensionBluetoothChooser(
+    content::RenderFrameHost* frame,
+    const content::BluetoothChooser::EventHandler& event_handler)
+    : ChooserController(frame), event_handler_(event_handler) {
+  content::WebContents* web_contents =
+      content::WebContents::FromRenderFrameHost(frame);
+  dialog_ = ExtensionsBrowserClient::Get()
+                ->CreateBluetoothChromeExtensionChooserDialog(web_contents);
+  dialog_->ShowDialog(this);
+}
+
+ExtensionBluetoothChooser::~ExtensionBluetoothChooser() {}
+
+void ExtensionBluetoothChooser::SetAdapterPresence(AdapterPresence presence) {}
+
+void ExtensionBluetoothChooser::ShowDiscoveryState(DiscoveryState state) {}
+
+void ExtensionBluetoothChooser::AddDevice(const std::string& device_id,
+                                          const base::string16& device_name) {
+  device_names_and_ids_.push_back(std::make_pair(device_name, device_id));
+  if (observer())
+    observer()->OnOptionAdded(device_names_and_ids_.size() - 1);
+}
+
+void ExtensionBluetoothChooser::RemoveDevice(const std::string& device_id) {
+  for (auto it = device_names_and_ids_.begin();
+       it != device_names_and_ids_.end(); ++it) {
+    if (it->second == device_id) {
+      size_t index = it - device_names_and_ids_.begin();
+      device_names_and_ids_.erase(it);
+      if (observer())
+        observer()->OnOptionRemoved(index);
+      return;
+    }
+  }
+}
+
+size_t ExtensionBluetoothChooser::NumOptions() const {
+  return device_names_and_ids_.size();
+}
+
+const base::string16& ExtensionBluetoothChooser::GetOption(size_t index) const {
+  DCHECK_LT(index, device_names_and_ids_.size());
+  return device_names_and_ids_[index].first;
+}
+
+void ExtensionBluetoothChooser::Select(size_t index) {
+  DCHECK_LT(index, device_names_and_ids_.size());
+  event_handler_.Run(content::BluetoothChooser::Event::SELECTED,
+                     device_names_and_ids_[index].second);
+}
+
+void ExtensionBluetoothChooser::Cancel() {
+  event_handler_.Run(content::BluetoothChooser::Event::CANCELLED,
+                     std::string());
+}
+
+void ExtensionBluetoothChooser::Close() {
+  event_handler_.Run(content::BluetoothChooser::Event::CANCELLED,
+                     std::string());
+}
+
+GURL ExtensionBluetoothChooser::GetHelpCenterUrl() const {
+  return dialog_->GetHelpCenterUrl();
+}
+
+void ExtensionBluetoothChooser::OpenHelpCenterUrl() const {
+  dialog_->OpenHelpCenterUrl();
+}
+
+}  // namespace extensions