[Mac] Hover/Active Omnibox Icon States for Secondary UI MD

chrome/browser/ui/cocoa/bubble_anchor_helper_views.mm

 // Copyright 2017 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 "chrome/browser/ui/cocoa/bubble_anchor_helper_views.h"
 
 #import <Cocoa/Cocoa.h>
 
 #import "base/mac/scoped_nsobject.h"
+#import "chrome/browser/ui/cocoa/browser_window_controller.h"
+#import "chrome/browser/ui/cocoa/location_bar/location_bar_decoration.h"
+#import "chrome/browser/ui/cocoa/location_bar/location_bar_view_mac.h"
+#import "chrome/browser/ui/cocoa/location_bar/manage_passwords_decoration.h"
 #include "ui/views/bubble/bubble_dialog_delegate.h"
 #include "ui/views/widget/widget_observer.h"
 
 namespace {
 
 // Self-deleting object that hosts Objective-C observers watching for parent
 // window resizes to reposition a bubble Widget. Deletes itself when the bubble
 // Widget closes.
 class BubbleAnchorHelper : public views::WidgetObserver {
  public:
-  explicit BubbleAnchorHelper(views::BubbleDialogDelegateView* bubble);
+  BubbleAnchorHelper(views::BubbleDialogDelegateView* bubble,
+                     LocationBarDecoration* decoration);
 
  private:
   // Observe |name| on the bubble parent window with a block to call ReAnchor().
   void Observe(NSString* name);
 
   // Whether offset from the left of the parent window is fixed.
   bool IsMinXFixed() const {
     return views::BubbleBorder::is_arrow_on_left(bubble_->arrow());
   }
 
   // Re-positions |bubble_| so that the offset to the parent window at
   // construction time is preserved.
   void ReAnchor();
 
   // WidgetObserver:
   void OnWidgetDestroying(views::Widget* widget) override;
 
   base::scoped_nsobject<NSMutableArray> observer_tokens_;
   views::BubbleDialogDelegateView* bubble_;
   CGFloat horizontal_offset_;  // Offset from the left or right.
   CGFloat vertical_offset_;    // Offset from the top.
 
+  // The omnibox decoration that |bubble_| is anchored to.
+  // Weak. The lifetime is tied to the controller of the bubble's parent
+  // window, which owns a LocationBarViewMac that directly owns |decoration_|.
+  LocationBarDecoration* decoration_;
+
   DISALLOW_COPY_AND_ASSIGN(BubbleAnchorHelper);
 };
 
 }  // namespace
 
-void KeepBubbleAnchored(views::BubbleDialogDelegateView* bubble) {
-  new BubbleAnchorHelper(bubble);
+LocationBarDecoration* GetManagePasswordDecoration(
+    views::BubbleDialogDelegateView* bubble) {
+  BrowserWindowController* window_controller = [BrowserWindowController
+      browserWindowControllerForWindow:[bubble->parent_window() window]];
+  LocationBarViewMac* location_bar = [window_controller locationBarBridge];
+  return location_bar ? location_bar->manage_passwords_decoration() : nullptr;
 }
 
-BubbleAnchorHelper::BubbleAnchorHelper(views::BubbleDialogDelegateView* bubble)
-    : observer_tokens_([[NSMutableArray alloc] init]), bubble_(bubble) {
+void KeepBubbleAnchored(views::BubbleDialogDelegateView* bubble,
+                        LocationBarDecoration* decoration) {
+  new BubbleAnchorHelper(bubble, decoration);
+}
+
+BubbleAnchorHelper::BubbleAnchorHelper(views::BubbleDialogDelegateView* bubble,
+                                       LocationBarDecoration* decoration)
+    : observer_tokens_([[NSMutableArray alloc] init]),
+      bubble_(bubble),
+      decoration_(decoration) {
   DCHECK(bubble->GetWidget());
   DCHECK(bubble->parent_window());
   bubble->GetWidget()->AddObserver(this);
 
+  if (decoration_)
+    decoration_->SetActive(true);
+
   NSRect parent_frame = [[bubble->parent_window() window] frame];
   NSRect bubble_frame = [bubble->GetWidget()->GetNativeWindow() frame];
 
   // Note: when anchored on the right, this doesn't support changes to the
   // bubble size, just the parent size.
   horizontal_offset_ =
       (IsMinXFixed() ? NSMinX(parent_frame) : NSMaxX(parent_frame)) -
       NSMinX(bubble_frame);
   vertical_offset_ = NSMaxY(parent_frame) - NSMinY(bubble_frame);
 
@@ skipping 27 matching lines @@
     bubble_frame.origin.x = NSMinX(parent_frame) - horizontal_offset_;
   else
     bubble_frame.origin.x = NSMaxX(parent_frame) - horizontal_offset_;
   bubble_frame.origin.y = NSMaxY(parent_frame) - vertical_offset_;
   [bubble_->GetWidget()->GetNativeWindow() setFrame:bubble_frame
                                             display:YES
                                             animate:NO];
 }
 
 void BubbleAnchorHelper::OnWidgetDestroying(views::Widget* widget) {
+  // NativeWidgetMac guarantees that a child's OnWidgetDestroying() is invoked
+  // before the parent NSWindow has closed.
+  if (decoration_)
+    decoration_->SetActive(false);
   widget->RemoveObserver(this);
   for (id token in observer_tokens_.get())
     [[NSNotificationCenter defaultCenter] removeObserver:token];
   delete this;
 }