src/chrome/browser/ui/cocoa/location_bar/content_setting_decoration.h

   1 // Copyright (c) 2011 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_COCOA_LOCATION_BAR_CONTENT_SETTING_DECORATION_H_
   6 #define CHROME_BROWSER_UI_COCOA_LOCATION_BAR_CONTENT_SETTING_DECORATION_H_
   7
   8 #include "base/memory/scoped_ptr.h"
   9 #import "chrome/browser/ui/cocoa/location_bar/image_decoration.h"
  10 #include "components/content_settings/core/common/content_settings_types.h"
  11
  12 // ContentSettingDecoration is used to display the content settings
  13 // images on the current page.
  14
  15 @class ContentSettingAnimationState;
  16 class ContentSettingImageModel;
  17 class LocationBarViewMac;
  18 class Profile;
  19
  20 namespace content {
  21 class WebContents;
  22 }
  23
  24 class ContentSettingDecoration : public ImageDecoration {
  25  public:
  26   ContentSettingDecoration(ContentSettingsType settings_type,
  27                            LocationBarViewMac* owner,
  28                            Profile* profile);
  29   virtual ~ContentSettingDecoration();
  30
  31   // Updates the image and visibility state based on the supplied WebContents.
  32   // Returns true if the decoration's visible state changed.
  33   bool UpdateFromWebContents(content::WebContents* web_contents);
  34
  35   // Overridden from |LocationBarDecoration|
  36   virtual bool AcceptsMousePress() OVERRIDE;
  37   virtual bool OnMousePressed(NSRect frame, NSPoint location) OVERRIDE;
  38   virtual NSString* GetToolTip() OVERRIDE;
  39   virtual CGFloat GetWidthForSpace(CGFloat width) OVERRIDE;
  40   virtual void DrawInFrame(NSRect frame, NSView* control_view) OVERRIDE;
  41   virtual NSPoint GetBubblePointInFrame(NSRect frame) OVERRIDE;
  42
  43   // Called from internal animator. Only public because ObjC objects can't
  44   // be friends.
  45   virtual void AnimationTimerFired();
  46
  47  private:
  48
  49   void SetToolTip(NSString* tooltip);
  50
  51   // Returns an attributed string with the animated text.
  52   base::scoped_nsobject<NSAttributedString> CreateAnimatedText();
  53
  54   // Measure the width of the animated text.
  55   CGFloat MeasureTextWidth();
  56
  57   scoped_ptr<ContentSettingImageModel> content_setting_image_model_;
  58
  59   LocationBarViewMac* owner_;  // weak
  60   Profile* profile_;  // weak
  61
  62   base::scoped_nsobject<NSString> tooltip_;
  63
  64   // Used when the decoration has animated text.
  65   base::scoped_nsobject<ContentSettingAnimationState> animation_;
  66   CGFloat text_width_;
  67   base::scoped_nsobject<NSAttributedString> animated_text_;
  68
  69   DISALLOW_COPY_AND_ASSIGN(ContentSettingDecoration);
  70 };
  71
  72 #endif  // CHROME_BROWSER_UI_COCOA_LOCATION_BAR_CONTENT_SETTING_DECORATION_H_