Adding unit tests for maximize menu

ash/wm/workspace/frame_maximize_button.cc

 // 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 "ash/wm/workspace/frame_maximize_button.h"
 
 #include "ash/launcher/launcher.h"
 #include "ash/screen_ash.h"
 #include "ash/shell.h"
 #include "ash/wm/property_util.h"
@@ skipping 14 matching lines @@
 
 using ash::internal::SnapSizer;
 
 namespace ash {
 
 namespace {
 
 // Delay before forcing an update of the snap location.
 const int kUpdateDelayMS = 400;
 
+// The delay of the bubble appearance.
+const int kBubbleAppearanceDelayMS = 200;
+
 }
 
 // EscapeEventFilter is installed on the RootWindow to track when the escape key
 // is pressed. We use an EventFilter for this as the FrameMaximizeButton
 // normally does not get focus.
 class FrameMaximizeButton::EscapeEventFilter : public aura::EventFilter {
  public:
   explicit EscapeEventFilter(FrameMaximizeButton* button);
   virtual ~EscapeEventFilter();
 
@@ skipping 55 matching lines @@
 
 // FrameMaximizeButton ---------------------------------------------------------
 
 FrameMaximizeButton::FrameMaximizeButton(views::ButtonListener* listener,
                                          views::NonClientFrameView* frame)
     : ImageButton(listener),
       frame_(frame),
       is_snap_enabled_(false),
       exceeded_drag_threshold_(false),
       window_(NULL),
-      snap_type_(SNAP_NONE) {
+      snap_type_(SNAP_NONE),
+      bubble_appearance_delay_ms_(kBubbleAppearanceDelayMS) {
   // TODO(sky): nuke this. It's temporary while we don't have good images.
   SetImageAlignment(ALIGN_LEFT, ALIGN_BOTTOM);
 }
 
 FrameMaximizeButton::~FrameMaximizeButton() {
   // Before the window gets destroyed, the maximizer dialog needs to be shut
   // down since it would otherwise call into a deleted object.
   maximizer_.reset();
   if (window_)
     OnWindowDestroying(window_);
@@ skipping 74 matching lines @@
 void FrameMaximizeButton::OnMouseEntered(const views::MouseEvent& event) {
   ImageButton::OnMouseEntered(event);
   if (!maximizer_.get()) {
     DCHECK(GetWidget());
     if (!window_) {
       window_ = frame_->GetWidget()->GetNativeWindow();
       window_->AddObserver(this);
     }
     maximizer_.reset(new MaximizeBubbleController(
         this,
-        frame_->GetWidget()->IsMaximized()));
+        frame_->GetWidget()->IsMaximized(),
+        bubble_appearance_delay_ms_));
   }
 }
 
 void FrameMaximizeButton::OnMouseExited(const views::MouseEvent& event) {
   ImageButton::OnMouseExited(event);
   // Remove the bubble menu when the button is not pressed and the mouse is not
   // within the bubble.
   if (!is_snap_enabled_ && maximizer_.get()) {
     if (maximizer_->GetBubbleWindow()) {
       gfx::Point screen_location = gfx::Screen::GetCursorScreenPoint();
@@ skipping 62 matching lines @@
 
   return ImageButton::OnGestureEvent(event);
 }
 
 void FrameMaximizeButton::ProcessStartEvent(const views::LocatedEvent& event) {
   DCHECK(is_snap_enabled_);
   // Prepare the help menu.
   if (!maximizer_.get()) {
     maximizer_.reset(new MaximizeBubbleController(
         this,
-        frame_->GetWidget()->IsMaximized()));
+        frame_->GetWidget()->IsMaximized(),
+        bubble_appearance_delay_ms_));
   } else {
     // If the menu did not show up yet, we delay it even a bit more.
     maximizer_->DelayCreation();
   }
   snap_sizer_.reset(NULL);
   InstallEventFilter();
   snap_type_ = SNAP_NONE;
   press_location_ = event.location();
   exceeded_drag_threshold_ = false;
   update_timer_.Start(
@@ skipping 191 matching lines @@
       break;
     case SNAP_RESTORE:
       frame_->GetWidget()->Restore();
       break;
     case SNAP_NONE:
       NOTREACHED();
   }
 }
 
 }  // namespace ash