Implement bluetooth chooser for Chrome Apps on Mac

chrome/browser/ui/cocoa/extensions/chooser_dialog_cocoa_controller.h

+// 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.
+
+#ifndef CHROME_BROWSER_UI_COCOA_EXTENSIONS_CHOOSER_DIALOG_COCOA_CONTROLLER_H_
+#define CHROME_BROWSER_UI_COCOA_EXTENSIONS_CHOOSER_DIALOG_COCOA_CONTROLLER_H_
+
+#import <Cocoa/Cocoa.h>
+
+#include "base/mac/scoped_nsobject.h"
+
+@class ChooserContentView;
+class ChooserController;
+class ChooserDialogCocoa;
+
+// Displays a chooser dialog, and notifies the ChooserController
+// of the selected option.
+@interface ChooserDialogCocoaController
+    : NSViewController<NSTableViewDataSource, NSTableViewDelegate> {
+  base::scoped_nsobject<ChooserContentView> chooserContentView_;
+  NSTableView* tableView_;   // Weak.
+  NSButton* connectButton_;  // Weak.
+  NSButton* cancelButton_;   // Weak.
+  NSButton* helpButton_;     // Weak.
+
+  ChooserDialogCocoa* chooserDialogCocoa_;  // Weak.
+  ChooserController* chooserController_;    // Weak.
+}
+
+// Designated initializer.  |chooserDialogCocoa| and |chooserController|
+// must both be non-nil.
+- (instancetype)
+initWithChooserDialogCocoa:(ChooserDialogCocoa*)chooserDialogCocoa
+         chooserController:(ChooserController*)chooserController;
+
+// Update |tableView_| when chooser options were initialized.
+- (void)onOptionsInitialized;
+
+// Update |tableView_| when chooser option was added.
+- (void)onOptionAdded:(NSInteger)index;
+
+// Update |tableView_| when chooser option was removed.
+- (void)onOptionRemoved:(NSInteger)index;
+
+// Update |tableView_| when chooser options changed.
+- (void)updateTableView;
+
+// Called when the "Connect" button is pressed.
+- (void)onConnect:(id)sender;
+
+// Called when the "Cancel" button is pressed.
+- (void)onCancel:(id)sender;
+
+// Called when the "Get help" button is pressed.
+- (void)onHelpPressed:(id)sender;
+
+// Gets the |chooserContentView_|. For testing only.
+- (ChooserContentView*)chooserContentView;
+
+@end
+
+#endif  // CHROME_BROWSER_UI_COCOA_EXTENSIONS_CHOOSER_DIALOG_COCOA_CONTROLLER_H_