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

   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_TOOLBAR_ORIGIN_CHIP_VIEW_H_
   6 #define CHROME_BROWSER_UI_VIEWS_TOOLBAR_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 "chrome/browser/ui/views/toolbar/toolbar_button.h"
  12 #include "ui/views/controls/button/button.h"
  13 #include "ui/views/drag_controller.h"
  14
  15 class OriginChipExtensionIcon;
  16 class ToolbarView;
  17
  18 namespace content {
  19 class WebContents;
  20 }
  21
  22 namespace gfx {
  23 class Canvas;
  24 }
  25
  26 namespace views {
  27 class Button;
  28 class Label;
  29 }
  30
  31 class OriginChipView : public ToolbarButton,
  32                        public views::ButtonListener,
  33                        public views::DragController,
  34                        public SafeBrowsingUIManager::Observer {
  35  public:
  36   explicit OriginChipView(ToolbarView* toolbar_view);
  37   virtual ~OriginChipView();
  38
  39   void Init();
  40
  41   // Returns true if the origin chip should be visible.  This will always be
  42   // true if the original origin chip experiment is enabled.  If the V2
  43   // experiment is enabled this is true if the chip hasn't been hidden by
  44   // clicking on it or interacting with the Omnibox.
  45   bool ShouldShow();
  46
  47   // Recalculates the contents of the Origin Chip based on the displayed tab.
  48   void Update(content::WebContents* tab);
  49
  50   // Called to signal that the contents of the tab being shown has changed, so
  51   // the origin chip needs to update itself to the new state.
  52   void OnChanged();
  53
  54   views::ImageView* location_icon_view() {
  55     return location_icon_view_;
  56   }
  57   const views::ImageView* location_icon_view() const {
  58     return location_icon_view_;
  59   }
  60
  61   // Elides the hostname shown to the indicated width, if needed. Returns the
  62   // final width of the origin chip. Note: this may be more than the target
  63   // width, since the hostname will not be elided past the TLD+1.
  64   int ElideDomainTarget(int target_max_width);
  65
  66   // ToolbarButton:
  67   virtual gfx::Size GetPreferredSize() OVERRIDE;
  68   virtual void Layout() OVERRIDE;
  69   virtual void OnPaint(gfx::Canvas* canvas) OVERRIDE;
  70
  71   // views::ButtonListener:
  72   virtual void ButtonPressed(views::Button* sender,
  73                              const ui::Event& event) OVERRIDE;
  74
  75   // views::DragController:
  76   virtual void WriteDragDataForView(View* sender,
  77                                     const gfx::Point& press_pt,
  78                                     OSExchangeData* data) OVERRIDE;
  79   virtual int GetDragOperationsForView(View* sender,
  80                                        const gfx::Point& p) OVERRIDE;
  81   virtual bool CanStartDragForView(View* sender,
  82                                    const gfx::Point& press_pt,
  83                                    const gfx::Point& p) OVERRIDE;
  84
  85   // SafeBrowsingUIManager::Observer:
  86   virtual void OnSafeBrowsingHit(
  87       const SafeBrowsingUIManager::UnsafeResource& resource) OVERRIDE;
  88   virtual void OnSafeBrowsingMatch(
  89       const SafeBrowsingUIManager::UnsafeResource& resource) OVERRIDE;
  90
  91  private:
  92   ToolbarView* toolbar_view_;
  93   views::Label* host_label_;
  94   LocationIconView* location_icon_view_;
  95   scoped_ptr<views::Painter> ev_background_painter_;
  96   scoped_ptr<views::Painter> broken_ssl_background_painter_;
  97   scoped_ptr<views::Painter> malware_background_painter_;
  98   // Will point to one of the background painters, or NULL if the state of the
  99   // chip has no background.
 100   views::Painter* painter_;
 101   bool showing_16x16_icon_;
 102   scoped_ptr<OriginChipExtensionIcon> extension_icon_;
 103   GURL url_displayed_;
 104   ToolbarModel::SecurityLevel security_level_;
 105   bool url_malware_;
 106
 107   DISALLOW_COPY_AND_ASSIGN(OriginChipView);
 108 };
 109
 110 #endif  // CHROME_BROWSER_UI_VIEWS_TOOLBAR_ORIGIN_CHIP_VIEW_H_