[Sync] [Mac] Implement one-click signin bubble for OS X

chrome/browser/ui/cocoa/one_click_signin_bubble_controller.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.
+
+#import "chrome/browser/ui/cocoa/one_click_signin_bubble_controller.h"
+
+#include "base/logging.h"
+#import "chrome/browser/ui/cocoa/browser_window_controller.h"
+#import "chrome/browser/ui/cocoa/info_bubble_view.h"
+#import "chrome/browser/ui/cocoa/toolbar/toolbar_controller.h"
+#include "grit/chromium_strings.h"
+#include "grit/generated_resources.h"
+#import "third_party/GTM/AppKit/GTMUILocalizerAndLayoutTweaker.h"
+#include "ui/base/l10n/l10n_util.h"
+#import "ui/base/l10n/l10n_util_mac.h"
+
+namespace {
+
+// Shift the origin of |view|'s frame by the given amount in the
+// positive y direction (up).
+void ShiftOriginY(NSView* view, CGFloat amount) {
+  NSPoint origin = [view frame].origin;
+  origin.y += amount;
+  [view setFrameOrigin:origin];
+}
+
+}  // namespace
+
+@implementation OneClickSigninBubbleController
+
+- (id)initWithBrowserWindowController:(BrowserWindowController*)controller
+                    learnMoreCallback:(const base::Closure&)learnMoreCallback
+                     advancedCallback:(const base::Closure&)advancedCallback {
+  NSWindow* parentWindow = [controller window];
+
+  // Set the anchor point to right below the wrench menu.
+  NSView* wrenchButton = [[controller toolbarController] wrenchButton];
+  const NSRect bounds = [wrenchButton bounds];
+  NSPoint anchorPoint = NSMakePoint(NSMidX(bounds), NSMaxY(bounds));
+  anchorPoint = [wrenchButton convertPoint:anchorPoint toView:nil];
+  anchorPoint = [parentWindow convertBaseToScreen:anchorPoint];
+
+  if (self = [super initWithWindowNibPath:@"OneClickSigninBubble"
+                             parentWindow:parentWindow
+                               anchoredAt:anchorPoint]) {
+    learnMoreCallback_ = learnMoreCallback;
+    advancedCallback_ = advancedCallback;
+    DCHECK(!learnMoreCallback_.is_null());
+    DCHECK(!advancedCallback_.is_null());
+  }
+  return self;
+}
+
+- (IBAction)ok:(id)sender {
+  [self close];
+}
+
+- (IBAction)onClickLearnMoreLink:(id)sender {
+  learnMoreCallback_.Run();
+}
+
+- (IBAction)onClickAdvancedLink:(id)sender {
+  advancedCallback_.Run();
+}
+
+- (void)awakeFromNib {
+  [super awakeFromNib];
+
+  // Set the message text manually, since we have to interpolate the
+  // product name.
+  NSString* message =
+      l10n_util::GetNSStringF(
+          IDS_SYNC_PROMO_NTP_BUBBLE_MESSAGE,
+          l10n_util::GetStringUTF16(IDS_SHORT_PRODUCT_NAME));
+  [messageField_ setStringValue:message];
+
+  // Lay out the text controls from the bottom up.
+  CGFloat totalYOffset = 0.0;
+
+  totalYOffset +=
+      [GTMUILocalizerAndLayoutTweaker sizeToFitView:advancedLink_].height;
+
+  ShiftOriginY(learnMoreLink_, totalYOffset);
+  totalYOffset +=
+      [GTMUILocalizerAndLayoutTweaker sizeToFitView:learnMoreLink_].height;
+
+  ShiftOriginY(messageField_, totalYOffset);
+  totalYOffset +=
+      [GTMUILocalizerAndLayoutTweaker
+          sizeToFitFixedWidthTextField:messageField_];
+
+  NSSize delta = NSMakeSize(0.0, totalYOffset);
+
+  // Resize bubble and window to hold the controls.
+  [GTMUILocalizerAndLayoutTweaker
+      resizeViewWithoutAutoResizingSubViews:[self bubble]
+                                      delta:delta];
+  [GTMUILocalizerAndLayoutTweaker
+      resizeWindowWithoutAutoResizingSubViews:[self window]
+                                        delta:delta];
+}
+
+@end  // OneClickSigninBubbleController