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      1 // Copyright 2014 The Chromium Authors. All rights reserved.
      2 // Use of this source code is governed by a BSD-style license that can be
      3 // found in the LICENSE file.
      4 
      5 #ifndef CHROME_BROWSER_UI_VIEWS_LOCATION_BAR_ORIGIN_CHIP_VIEW_H_
      6 #define CHROME_BROWSER_UI_VIEWS_LOCATION_BAR_ORIGIN_CHIP_VIEW_H_
      7 
      8 #include "chrome/browser/safe_browsing/ui_manager.h"
      9 #include "chrome/browser/ui/toolbar/toolbar_model.h"
     10 #include "chrome/browser/ui/views/location_bar/location_icon_view.h"
     11 #include "ui/gfx/animation/slide_animation.h"
     12 #include "ui/views/controls/button/button.h"
     13 #include "ui/views/controls/button/label_button.h"
     14 
     15 class LocationBarView;
     16 class OriginChipExtensionIcon;
     17 class Profile;
     18 
     19 namespace content {
     20 class WebContents;
     21 }
     22 
     23 namespace gfx {
     24 class FontList;
     25 }
     26 
     27 namespace views {
     28 class Label;
     29 }
     30 
     31 // A button visible at the beginning of the omnibox which contains the location
     32 // icon, an optional EV cert name, and a hostname.  The hostname is normally the
     33 // hostname for the current page with any leading "www." removed, though for
     34 // special built-in pages (e.g. chrome://settings), it can be a descriptive
     35 // string.  The EV cert name is the organization name of the EV cert holder and
     36 // is only present when the current page's security status is EV_SECURE.
     37 class OriginChipView : public views::LabelButton,
     38                        public views::ButtonListener,
     39                        public SafeBrowsingUIManager::Observer {
     40  public:
     41   OriginChipView(LocationBarView* location_bar_view,
     42                  Profile* profile,
     43                  const gfx::FontList& font_list);
     44   virtual ~OriginChipView();
     45 
     46   SkColor pressed_text_color() const { return pressed_text_color_; }
     47   SkColor pressed_background_color() const {
     48     return background_colors_[Button::STATE_PRESSED];
     49   }
     50   const base::string16& host_label_text() const { return host_label_->text(); }
     51 
     52   // Called to signal that the contents of the tab being shown has changed, so
     53   // the origin chip needs to update itself to the new state.
     54   void OnChanged();
     55 
     56   // Starts/stops a fade-in animation for the border.
     57   void FadeIn();
     58   void CancelFade();
     59 
     60   // Returns the offset of the host label, relative to where the first label
     61   // starts.  When the EV cert name is not visible, this will always be 0;
     62   // otherwise, it's a positive value equal to the width of the cert name plus
     63   // the space between the labels.
     64   int HostLabelOffset() const;
     65 
     66   // Returns the width of the origin chip from the start of the first label to
     67   // the trailing edge of the chip.
     68   int WidthFromStartOfLabels() const;
     69 
     70   // views::LabelButton:
     71   virtual gfx::Size GetPreferredSize() const OVERRIDE;
     72   virtual void Layout() OVERRIDE;
     73 
     74  private:
     75   // Returns the X coordinate the first label should be placed at.
     76   int GetLabelX() const;
     77 
     78   // Sets an image grid to represent the current security state.
     79   void SetBorderImages(const int images[3][9]);
     80 
     81   // views::LabelButton:
     82   virtual void AnimationProgressed(const gfx::Animation* animation) OVERRIDE;
     83   virtual void AnimationEnded(const gfx::Animation* animation) OVERRIDE;
     84   virtual void OnPaintBorder(gfx::Canvas* canvas) OVERRIDE;
     85   virtual void StateChanged() OVERRIDE;
     86 
     87   // views::ButtonListener:
     88   virtual void ButtonPressed(views::Button* sender,
     89                              const ui::Event& event) OVERRIDE;
     90 
     91   // SafeBrowsingUIManager::Observer:
     92   virtual void OnSafeBrowsingHit(
     93       const SafeBrowsingUIManager::UnsafeResource& resource) OVERRIDE;
     94   virtual void OnSafeBrowsingMatch(
     95       const SafeBrowsingUIManager::UnsafeResource& resource) OVERRIDE;
     96 
     97   LocationBarView* location_bar_view_;
     98   Profile* profile_;
     99   SkColor pressed_text_color_;
    100   SkColor background_colors_[3];
    101   views::Label* ev_label_;
    102   views::Label* host_label_;
    103   LocationIconView* location_icon_view_;
    104   bool showing_16x16_icon_;
    105   scoped_ptr<OriginChipExtensionIcon> extension_icon_;
    106   gfx::SlideAnimation fade_in_animation_;
    107   GURL url_displayed_;
    108   ToolbarModel::SecurityLevel security_level_;
    109   bool url_malware_;
    110 
    111   DISALLOW_COPY_AND_ASSIGN(OriginChipView);
    112 };
    113 
    114 #endif  // CHROME_BROWSER_UI_VIEWS_LOCATION_BAR_ORIGIN_CHIP_VIEW_H_
    115