Add ManagePasswordsBubbleController and unit tests.

chrome/browser/ui/cocoa/passwords/manage_passwords_bubble_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 "chrome/browser/ui/cocoa/passwords/manage_passwords_bubble_controller.h"
+
+#include "base/mac/scoped_nsobject.h"
+#import "chrome/browser/ui/cocoa/browser_window_controller.h"
+#import "chrome/browser/ui/cocoa/info_bubble_view.h"
+#import "chrome/browser/ui/cocoa/info_bubble_window.h"
+#include "chrome/browser/ui/cocoa/location_bar/location_bar_view_mac.h"
+#include "ui/base/cocoa/window_size_constants.h"
+
+@interface ManagePasswordsBubbleController ()
+// Updates the content view controller according to the current state.
+- (void)updateState;
+@end
+
+@implementation ManagePasswordsBubbleController
+- (id)initWithParentWindow:(NSWindow*)parentWindow
+                     model:(ManagePasswordsBubbleModel*)model {
+  NSRect contentRect = ui::kWindowSizeDeterminedLater;
+  base::scoped_nsobject<InfoBubbleWindow> window(
+      [[InfoBubbleWindow alloc] initWithContentRect:contentRect
+                                          styleMask:NSBorderlessWindowMask
+                                            backing:NSBackingStoreBuffered
+                                              defer:NO]);
+  if ((self = [super initWithWindow:window
+                       parentWindow:parentWindow
+                         anchoredAt:NSZeroPoint])) {
+    model_ = model;
+    [self updateState];
+  }
+  return self;
+}
+
+- (void)showWindow:(id)sender {
+  [self performLayout];
+  [super showWindow:sender];
+}
+
+- (void)updateState {
+  // Find the next view controller.
+  // TODO(dconnelly): Handle other states once they're implemented.
+  currentController_.reset();
+  if (password_manager::ui::IsPendingState(model_->state())) {
+    currentController_.reset(
+        [[ManagePasswordsBubblePendingViewController alloc]
+            initWithModel:model_
+                 delegate:self]);
+  }
+  [self performLayout];
+}
+
+- (void)performLayout {
+  if (!currentController_)
+    return;
+
+  // Update the window.
+  NSWindow* window = [self window];
+  [[window contentView] setSubviews:@[ [currentController_ view] ]];
+
+  // Update the anchor.
+  BrowserWindowController* controller = [BrowserWindowController
+      browserWindowControllerForWindow:[self parentWindow]];
+  NSPoint anchorPoint =
+      [controller locationBarBridge]->GetManagePasswordsBubblePoint();
+  anchorPoint = [[self parentWindow] convertBaseToScreen:anchorPoint];
+  [self setAnchorPoint:anchorPoint];
+
+  // Update the frame.
+  CGFloat height = NSHeight([[currentController_ view] frame]) +
+                   info_bubble::kBubbleArrowHeight;
+  CGFloat width = NSWidth([[currentController_ view] frame]);
+  CGFloat x = anchorPoint.x - width +
+              info_bubble::kBubbleArrowXOffset +
+              (0.5 * info_bubble::kBubbleArrowWidth);
+  CGFloat y = anchorPoint.y - height;
+  [window setFrame:NSMakeRect(x, y, width, height)
+           display:YES
+           animate:[window isVisible]];
+}
+
+#pragma mark ManagePasswordsBubbleContentViewDelegate
+
+- (void)viewShouldDismiss {
+  [self close];
+}
+
+#pragma mark ManagePasswordsBubblePendingViewDelegate
+
+- (void)passwordShouldNeverBeSavedOnSiteWithExistingPasswords {
+  // TODO(dconnelly): Set the NeverSaveViewController once it's implemented.
+  [self performLayout];
+}
+
+@end
+
+@implementation ManagePasswordsBubbleController (Testing)
+
+- (NSViewController*)currentController {
+  return currentController_.get();
+}
+
+@end