Prompt for granting permission to access USB devices.

chrome/browser/ui/cocoa/extensions/device_permissions_view_controller.mm

+// 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.
+
+#import "base/mac/bundle_locations.h"
+#include "base/strings/sys_string_conversions.h"
+#import "chrome/browser/ui/cocoa/extensions/device_permissions_view_controller.h"
+#include "chrome/grit/generated_resources.h"
+#include "device/usb/usb_device.h"
+#import "ui/base/l10n/l10n_util_mac.h"
+
+using extensions::DevicePermissionsPrompt;
+
+@implementation DevicePermissionsViewController
+
+- (id)initWithDelegate:(DevicePermissionsPrompt::Delegate*)delegate
+                prompt:(scoped_refptr<DevicePermissionsPrompt::Prompt>)prompt {
+  if ((self = [super initWithNibName:@"DevicePermissionsPrompt"
+                              bundle:base::mac::FrameworkBundle()])) {
+    delegate_ = delegate;
+    prompt_ = prompt;
+  }
+  return self;
+}
+
+- (IBAction)cancel:(id)sender {
+  std::vector<scoped_refptr<device::UsbDevice>> empty;
+  delegate_->OnUsbDevicesChosen(empty);
+}
+
+- (IBAction)ok:(id)sender {
+  __block std::vector<scoped_refptr<device::UsbDevice>> devices;
+  [[tableView_ selectedRowIndexes]
+      enumerateIndexesUsingBlock:^(NSUInteger index, BOOL* stop) {
+          prompt_->GrantDevicePermission(index);
+          devices.push_back(prompt_->GetDevice(index));
+      }];
+  delegate_->OnUsbDevicesChosen(devices);
+}
+
+- (void)devicesChanged {
+  [tableView_ reloadData];
+}
+
+- (void)awakeFromNib {
+  [titleField_ setStringValue:base::SysUTF16ToNSString(prompt_->GetHeading())];
+  [promptField_
+      setStringValue:base::SysUTF16ToNSString(prompt_->GetPromptMessage())];
+  [tableView_ setAllowsMultipleSelection:prompt_->multiple()];
+  [[deviceNameColumn_ headerCell]
+      setStringValue:l10n_util::GetNSString(
+                         IDS_DEVICE_PERMISSIONS_DIALOG_DEVICE_NAME_COLUMN)];
+  [[serialNumberColumn_ headerCell]
+      setStringValue:l10n_util::GetNSString(
+                         IDS_DEVICE_PERMISSIONS_DIALOG_SERIAL_NUMBER_COLUMN)];
+  [okButton_
+      setTitle:l10n_util::GetNSString(IDS_DEVICE_PERMISSIONS_DIALOG_SELECT)];
+  [cancelButton_ setTitle:l10n_util::GetNSString(IDS_CANCEL)];
+}
+
+- (NSInteger)numberOfRowsInTableView:(NSTableView*)tableView {
+  DCHECK_EQ(tableView_, tableView);
+  return prompt_->GetDeviceCount();
+}
+
+- (id)tableView:(NSTableView*)tableView
+    objectValueForTableColumn:(NSTableColumn*)tableColumn
+                          row:(NSInteger)rowIndex {
+  if (tableColumn == deviceNameColumn_) {
+    return base::SysUTF16ToNSString(prompt_->GetDeviceName(rowIndex));
+  } else if (tableColumn == serialNumberColumn_) {
+    return base::SysUTF16ToNSString(prompt_->GetDeviceSerialNumber(rowIndex));
+  } else {
+    NOTREACHED();
+    return @"";
+  }
+}
+
+@end