[OriginChip] Add animations for the hiding and showing of the chip.

chrome/browser/ui/views/location_bar/location_bar_view.h

 // 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.
 
 #ifndef CHROME_BROWSER_UI_VIEWS_LOCATION_BAR_LOCATION_BAR_VIEW_H_
 #define CHROME_BROWSER_UI_VIEWS_LOCATION_BAR_LOCATION_BAR_VIEW_H_
 
 #include <string>
 #include <vector>
 
 #include "base/compiler_specific.h"
 #include "base/memory/weak_ptr.h"
 #include "base/prefs/pref_member.h"
 #include "chrome/browser/extensions/extension_context_menu_model.h"
 #include "chrome/browser/search_engines/template_url_service_observer.h"
 #include "chrome/browser/ui/omnibox/location_bar.h"
 #include "chrome/browser/ui/omnibox/omnibox_edit_controller.h"
 #include "chrome/browser/ui/search/search_model_observer.h"
 #include "chrome/browser/ui/toolbar/toolbar_model.h"
 #include "chrome/browser/ui/views/dropdown_bar_host.h"
 #include "chrome/browser/ui/views/dropdown_bar_host_delegate.h"
 #include "chrome/browser/ui/views/extensions/extension_popup.h"
 #include "chrome/browser/ui/views/omnibox/omnibox_view_views.h"
 #include "content/public/browser/notification_observer.h"
 #include "content/public/browser/notification_registrar.h"
+#include "ui/gfx/animation/animation_delegate.h"
 #include "ui/gfx/font.h"
 #include "ui/gfx/rect.h"
 #include "ui/views/controls/button/button.h"
 #include "ui/views/drag_controller.h"
 
 class ActionBoxButtonView;
 class CommandUpdater;
 class ContentSettingBubbleModelDelegate;
 class ContentSettingImageView;
 class EVBubbleView;
@@ skipping 13 matching lines @@
 class StarView;
 class TemplateURLService;
 class ToolbarOriginChipView;
 class TranslateIconView;
 class ZoomView;
 
 namespace content {
 struct SSLStatus;
 }
 
+namespace gfx {
+class SlideAnimation;
+}
+
 namespace views {
 class BubbleDelegateView;
 class ImageButton;
 class ImageView;
 class Label;
 class LabelButton;
 class Widget;
 }
 
 /////////////////////////////////////////////////////////////////////////////
 //
 // LocationBarView class
 //
 //   The LocationBarView class is a View subclass that paints the background
 //   of the URL bar strip and contains its content.
 //
 /////////////////////////////////////////////////////////////////////////////
 class LocationBarView : public LocationBar,
                         public LocationBarTesting,
                         public views::View,
                         public views::ButtonListener,
                         public views::DragController,
                         public OmniboxEditController,
                         public DropdownBarHostDelegate,
+                        public gfx::AnimationDelegate,
                         public TemplateURLServiceObserver,
                         public content::NotificationObserver,
                         public SearchModelObserver {
  public:
   // The location bar view's class name.
   static const char kViewClassName[];
 
   // DropdownBarHostDelegate:
   virtual void SetFocusAndSelection(bool select_all) OVERRIDE;
   virtual void SetAnimationOffset(int offset) OVERRIDE;
 
-  // Returns the offset used while animating.
+  // Returns the offset used during dropdown animation.
   int animation_offset() const { return animation_offset_; }
 
   class Delegate {
    public:
     // Should return the current web contents.
     virtual content::WebContents* GetWebContents() = 0;
 
     // Returns the InstantController, or NULL if there isn't one.
     virtual InstantController* GetInstant() = 0;
 
@@ skipping 143 matching lines @@
   gfx::Point GetLocationBarAnchorPoint() const;
 
   OmniboxViewViews* omnibox_view() { return omnibox_view_; }
 
   views::View* generated_credit_card_view();
 
   // OmniboxEditController:
   virtual void Update(const content::WebContents* contents) OVERRIDE;
   virtual void OnChanged() OVERRIDE;
   virtual void OnSetFocus() OVERRIDE;
+  virtual void ShowURL() OVERRIDE;
   virtual InstantController* GetInstant() OVERRIDE;
   virtual content::WebContents* GetWebContents() OVERRIDE;
   virtual ToolbarModel* GetToolbarModel() OVERRIDE;
   virtual const ToolbarModel* GetToolbarModel() const OVERRIDE;
 
+  // gfx::AnimationDelegate:
+  virtual void AnimationProgressed(const gfx::Animation* animation) OVERRIDE;
+  virtual void AnimationEnded(const gfx::Animation* animation) OVERRIDE;
+
   // views::View:
   virtual const char* GetClassName() const OVERRIDE;
   virtual bool HasFocus() const OVERRIDE;
   virtual void GetAccessibleState(ui::AXViewState* state) OVERRIDE;
   virtual void OnBoundsChanged(const gfx::Rect& previous_bounds) OVERRIDE;
 
   // views::ButtonListener:
   virtual void ButtonPressed(views::Button* sender,
                              const ui::Event& event) OVERRIDE;
 
@@ skipping 73 matching lines @@
   static const int kIconInternalPadding;
   // Amount of padding to place between the origin chip and the leading edge of
   // the location bar.
   static const int kOriginChipEdgeItemPadding;
   // Amount of padding built into the origin chip.
   static const int kOriginChipBuiltinPadding;
   // Space between the edge and a bubble.
   static const int kBubblePadding;
 
  protected:
+  // views::View:
   virtual void OnFocus() OVERRIDE;
 
+  // OmniboxEditController:
+  virtual void HideURL() OVERRIDE;
+
  private:
   typedef std::vector<ContentSettingImageView*> ContentSettingViews;
 
   friend class PageActionImageView;
   friend class PageActionWithBadgeView;
   typedef std::vector<ExtensionAction*> PageActions;
   typedef std::vector<PageActionWithBadgeView*> PageActionViews;
 
   // Returns the number of pixels of built-in padding to the left and right for
   // child views. This is nonzero when touch UI is enabled so as to space out
@@ skipping 41 matching lines @@
   bool HasValidSuggestText() const;
 
   // Helper to show the first run info bubble.
   void ShowFirstRunBubbleInternal();
 
   // Handles a request to change the value of this text field from software
   // using an accessibility API (typically automation software, screen readers
   // don't normally use this). Sets the value and clears the selection.
   void AccessibilitySetValue(const base::string16& new_value);
 
+  // Origin chip animation control methods.
+  void OnShowURLAnimationEnded();
+  void OnHideURLAnimationEnded();
+
   // The Browser this LocationBarView is in.  Note that at least
   // chromeos::SimpleWebViewDialog uses a LocationBarView outside any browser
   // window, so this may be NULL.
   Browser* browser_;
 
   OmniboxViewViews* omnibox_view_;
 
   // Our delegate.
   Delegate* delegate_;
 
@@ skipping 75 matching lines @@
   // focused. Used when the toolbar is in full keyboard accessibility mode.
   bool show_focus_rect_;
 
   // This is in case we're destroyed before the model loads. We need to make
   // Add/RemoveObserver calls.
   TemplateURLService* template_url_service_;
 
   // Tracks this preference to determine whether bookmark editing is allowed.
   BooleanPrefMember edit_bookmarks_enabled_;
 
-  // While animating, the host clips the widget and draws only the bottom
-  // part of it. The view needs to know the pixel offset at which we are drawing
-  // the widget so that we can draw the curved edges that attach to the toolbar
-  // in the right location.
+  // During dropdown animation, the host clips the widget and draws only the
+  // bottom part of it. The view needs to know the pixel offset at which we are
+  // drawing the widget so that we can draw the curved edges that attach to the
+  // toolbar in the right location.
   int animation_offset_;
 
+  // Origin chip animations.
+  scoped_ptr<gfx::SlideAnimation> show_url_animation_;
+  scoped_ptr<gfx::SlideAnimation> hide_url_animation_;
+
+  // Text label shown only during origin chip animations.
+  views::Label* animated_host_label_;
+
   // Used to register for notifications received by NotificationObserver.
   content::NotificationRegistrar registrar_;
 
   // Used to bind callback functions to this object.
   base::WeakPtrFactory<LocationBarView> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(LocationBarView);
 };
 
 #endif  // CHROME_BROWSER_UI_VIEWS_LOCATION_BAR_LOCATION_BAR_VIEW_H_