Mac content shell: HTTP auth.

content/shell/shell_login_dialog_mac.mm

+// Copyright (c) 2012 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 "content/shell/shell_login_dialog.h"
+
+#import <Cocoa/Cocoa.h>
+
+#include "base/logging.h"
+#include "base/mac/bundle_locations.h"
+#import "base/mac/cocoa_protocols.h"
+#import "base/memory/scoped_nsobject.h"
+#include "base/sys_string_conversions.h"
+#include "content/public/browser/browser_thread.h"
+
+namespace {
+
+const int kUsernameFieldTag = 1;
+const int kPasswordFieldTag = 2;
+
+}  // namespace
+
+// Helper object that receives the notification that the dialog/sheet is
+// going away.
+@interface ShellLoginDialogHelper : NSObject<NSAlertDelegate> {
+ @private
+  scoped_nsobject<NSAlert> alert_;
+  NSTextField* usernameField_;  // WEAK; owned by alert_
+  NSSecureTextField* passwordField_;  // WEAK; owned by alert_
+}
+
+- (NSAlert*)alert;
+- (NSView*)accessoryView;
+- (void)focus;
+- (void)alertDidEnd:(NSAlert*)alert
+         returnCode:(int)returnCode
+        contextInfo:(void*)contextInfo;
+- (void)cancel;
+
+@end
+
+@implementation ShellLoginDialogHelper
+
+- (NSAlert*)alert {
+  alert_.reset([[NSAlert alloc] init]);
+  [alert_ setAccessoryView:[self accessoryView]];
+  return alert_;
+}
+
+- (NSView*)accessoryView {
+  scoped_nsobject<NSNib> nib(
+      [[NSNib alloc] initWithNibNamed:@"HttpAuth"
+                               bundle:base::mac::FrameworkBundle()]);
+  if (!nib)
+    return nil;
+
+  NSArray* objects;
+  BOOL success = [nib instantiateNibWithOwner:nil
+                              topLevelObjects:&objects];
+  if (!success)
+    return nil;
+  [objects makeObjectsPerformSelector:@selector(release)];
+
+  for (NSView* view in objects) {
+    if (![view isKindOfClass:[NSView class]])
+      continue;
+
+    usernameField_ = [view viewWithTag:kUsernameFieldTag];
+    passwordField_ = [view viewWithTag:kPasswordFieldTag];
+    return view;
+  }
+
+  return nil;
+}
+
+- (void)focus {
+  [[alert_ window] makeFirstResponder:usernameField_];
+}
+
+- (void)alertDidEnd:(NSAlert*)alert
+         returnCode:(int)returnCode
+        contextInfo:(void*)contextInfo {
+  if (returnCode == NSRunStoppedResponse)
+    return;
+
+  content::ShellLoginDialog* this_dialog =
+      reinterpret_cast<content::ShellLoginDialog*>(contextInfo);
+  if (returnCode == NSAlertFirstButtonReturn) {
+    this_dialog->UserAcceptedAuth(
+        base::SysNSStringToUTF16([usernameField_ stringValue]),
+        base::SysNSStringToUTF16([passwordField_ stringValue]));
+  } else {
+    this_dialog->UserCancelledAuth();
+  }
+}
+
+- (void)cancel {
+  [NSApp endSheet:[alert_ window]];
+  alert_.reset();
+}
+
+@end
+
+namespace content {
+
+void ShellLoginDialog::PlatformCreateDialog(const string16& message) {
+  DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
+  helper_ = [[ShellLoginDialogHelper alloc] init];
+
+  // Show the modal dialog.
+  NSAlert* alert = [helper_ alert];
+  [alert setDelegate:helper_];
+  [alert setInformativeText:base::SysUTF16ToNSString(message)];
+  [alert setMessageText:@"Please log in."];
+  [alert addButtonWithTitle:@"OK"];
+  NSButton* other = [alert addButtonWithTitle:@"Cancel"];
+  [other setKeyEquivalent:@"\e"];
+  [alert
+      beginSheetModalForWindow:nil  // nil here makes it app-modal
+                 modalDelegate:helper_
+                didEndSelector:@selector(alertDidEnd:returnCode:contextInfo:)
+                   contextInfo:this];
+
+  [helper_ focus];
+}
+
+void ShellLoginDialog::PlatformCleanUp() {
+  DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
+  [helper_ release];
+  helper_ = nil;
+}
+
+void ShellLoginDialog::PlatformRequestCancelled() {
+  DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
+  [helper_ cancel];
+}
+
+}  // namespace content