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

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

 // 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.
 
 #ifndef CHROME_BROWSER_UI_VIEWS_LOCATION_BAR_ORIGIN_CHIP_VIEW_H_
 #define CHROME_BROWSER_UI_VIEWS_LOCATION_BAR_ORIGIN_CHIP_VIEW_H_
 
 #include "chrome/browser/safe_browsing/ui_manager.h"
 #include "chrome/browser/ui/toolbar/toolbar_model.h"
 #include "chrome/browser/ui/views/location_bar/location_icon_view.h"
 #include "ui/views/controls/button/button.h"
 #include "ui/views/controls/button/label_button.h"
 
 class LocationBarView;
 class OriginChipExtensionIcon;
 class Profile;
 
 namespace content {
 class WebContents;
 }
 
 namespace gfx {
 class Canvas;
 class FontList;
+class SlideAnimation;
 }
 
 namespace views {
 class Button;
 class Label;
 }
 
 class OriginChipView : public views::LabelButton,
                        public views::ButtonListener,
                        public SafeBrowsingUIManager::Observer {
  public:
   OriginChipView(LocationBarView* location_bar_view,
                  Profile* profile,
                  const gfx::FontList& font_list);
   virtual ~OriginChipView();
 
-  void Init();
-
   // Returns true if the origin chip should be visible.  This will always be
   // true if the original origin chip experiment is enabled.  If the V2
   // experiment is enabled this is true if the chip hasn't been hidden by
   // clicking on it or interacting with the Omnibox.
   bool ShouldShow();
 
   // Recalculates the contents of the Origin Chip based on the displayed tab.
   void Update(content::WebContents* tab);
 
   // Called to signal that the contents of the tab being shown has changed, so
   // the origin chip needs to update itself to the new state.
   void OnChanged();
 
   views::ImageView* location_icon_view() {
     return location_icon_view_;
   }
   const views::ImageView* location_icon_view() const {
     return location_icon_view_;
   }
 
   // Elides the hostname shown to the indicated width, if needed. Returns the
   // final width of the origin chip. Note: this may be more than the target
   // width, since the hostname will not be elided past the TLD+1.
   int ElideDomainTarget(int target_max_width);
 
+  // Starts an animation that fades in the border.
+  void FadeIn();
+
+  // Returns the current X position of the host label.
+  int host_label_x() const { return host_label_->x(); }
+
   // views::LabelButton:
+  virtual void AnimationProgressed(const gfx::Animation* animation) OVERRIDE;
+  virtual void AnimationEnded(const gfx::Animation* animation) OVERRIDE;
   virtual gfx::Size GetPreferredSize() OVERRIDE;
   virtual void Layout() OVERRIDE;
+  virtual void OnPaintBorder(gfx::Canvas* canvas) OVERRIDE;
 
   // views::ButtonListener:
   virtual void ButtonPressed(views::Button* sender,
                              const ui::Event& event) OVERRIDE;
 
   // SafeBrowsingUIManager::Observer:
   virtual void OnSafeBrowsingHit(
       const SafeBrowsingUIManager::UnsafeResource& resource) OVERRIDE;
   virtual void OnSafeBrowsingMatch(
       const SafeBrowsingUIManager::UnsafeResource& resource) OVERRIDE;
 
  private:
   // Sets an image grid to represent the current security state.
   void SetBorderImages(const int images[3][9]);
 
   LocationBarView* location_bar_view_;
   Profile* profile_;
   views::Label* host_label_;
   LocationIconView* location_icon_view_;
   bool showing_16x16_icon_;
   scoped_ptr<OriginChipExtensionIcon> extension_icon_;
   GURL url_displayed_;
   ToolbarModel::SecurityLevel security_level_;
   bool url_malware_;
+  scoped_ptr<gfx::SlideAnimation> fade_in_animation_;
 
   DISALLOW_COPY_AND_ASSIGN(OriginChipView);
 };
 
 #endif  // CHROME_BROWSER_UI_VIEWS_LOCATION_BAR_ORIGIN_CHIP_VIEW_H_