content_setting_decoration.h revision 21d179b334e59e9a3bfcaed4c4430bef1bc5759d 
1// Copyright (c) 2010 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#pragma once
8
9#include "base/scoped_ptr.h"
10#import "chrome/browser/ui/cocoa/location_bar/image_decoration.h"
11#include "chrome/common/content_settings_types.h"
12
13// ContentSettingDecoration is used to display the content settings
14// images on the current page.
15
16@class ContentSettingAnimationState;
17class ContentSettingImageModel;
18class LocationBarViewMac;
19class Profile;
20class TabContents;
21
22class ContentSettingDecoration : public ImageDecoration {
23 public:
24  ContentSettingDecoration(ContentSettingsType settings_type,
25                           LocationBarViewMac* owner,
26                           Profile* profile);
27  virtual ~ContentSettingDecoration();
28
29  // Updates the image and visibility state based on the supplied TabContents.
30  // Returns true if the decoration's visible state changed.
31  bool UpdateFromTabContents(TabContents* tab_contents);
32
33  // Overridden from |LocationBarDecoration|
34  virtual bool AcceptsMousePress() { return true; }
35  virtual bool OnMousePressed(NSRect frame);
36  virtual NSString* GetToolTip();
37  virtual CGFloat GetWidthForSpace(CGFloat width);
38  virtual void DrawInFrame(NSRect frame, NSView* control_view);
39
40  // Called from internal animator. Only public because ObjC objects can't
41  // be friends.
42  virtual void AnimationTimerFired();
43
44 private:
45  // Helper to get where the bubble point should land.  Similar to
46  // |PageActionDecoration| or |StarDecoration| (|LocationBarViewMac|
47  // calls those).
48  NSPoint GetBubblePointInFrame(NSRect frame);
49
50  void SetToolTip(NSString* tooltip);
51
52  // Returns an attributed string with the animated text. Caller is responsible
53  // for releasing.
54  NSAttributedString* CreateAnimatedText();
55
56  // Measure the width of the animated text.
57  CGFloat MeasureTextWidth();
58
59  scoped_ptr<ContentSettingImageModel> content_setting_image_model_;
60
61  LocationBarViewMac* owner_;  // weak
62  Profile* profile_;  // weak
63
64  scoped_nsobject<NSString> tooltip_;
65
66  // Used when the decoration has animated text.
67  scoped_nsobject<ContentSettingAnimationState> animation_;
68  CGFloat text_width_;
69  scoped_nsobject<NSAttributedString> animated_text_;
70  scoped_nsobject<NSGradient> gradient_;
71
72  DISALLOW_COPY_AND_ASSIGN(ContentSettingDecoration);
73};
74
75#endif  // CHROME_BROWSER_UI_COCOA_LOCATION_BAR_CONTENT_SETTING_DECORATION_H_
76