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Side by Side Diff: chrome/browser/infobars/infobar.h

Issue 211273007: Split InfoBarService core code into InfoBarManager (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/src
Patch Set: Rebase + comments Created 6 years, 8 months ago
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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. 1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be 2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file. 3 // found in the LICENSE file.
4 4
5 #ifndef CHROME_BROWSER_INFOBARS_INFOBAR_H_ 5 #ifndef CHROME_BROWSER_INFOBARS_INFOBAR_H_
6 #define CHROME_BROWSER_INFOBARS_INFOBAR_H_ 6 #define CHROME_BROWSER_INFOBARS_INFOBAR_H_
7 7
8 #include <utility> 8 #include <utility>
9 9
10 #include "base/memory/scoped_ptr.h" 10 #include "base/memory/scoped_ptr.h"
11 #include "chrome/browser/infobars/infobar_delegate.h" 11 #include "chrome/browser/infobars/infobar_delegate.h"
12 #include "third_party/skia/include/core/SkColor.h" 12 #include "third_party/skia/include/core/SkColor.h"
13 #include "ui/gfx/animation/animation_delegate.h" 13 #include "ui/gfx/animation/animation_delegate.h"
14 #include "ui/gfx/animation/slide_animation.h" 14 #include "ui/gfx/animation/slide_animation.h"
15 #include "ui/gfx/size.h" 15 #include "ui/gfx/size.h"
16 16
17 class InfoBarContainer; 17 class InfoBarContainer;
18 class InfoBarService; 18 class InfoBarManager;
19 19
20 // InfoBar is a cross-platform base class for an infobar "view" (in the MVC 20 // InfoBar is a cross-platform base class for an infobar "view" (in the MVC
21 // sense), which owns a corresponding InfoBarDelegate "model". Typically, 21 // sense), which owns a corresponding InfoBarDelegate "model". Typically,
22 // a caller will call XYZInfoBarDelegate::Create() and pass in the 22 // a caller will call XYZInfoBarDelegate::Create() and pass in the
23 // InfoBarService for the relevant tab. This will create an XYZInfoBarDelegate, 23 // InfoBarManager for the relevant tab. This will create an XYZInfoBarDelegate,
24 // create a platform-specific subclass of InfoBar to own it, and then call 24 // create a platform-specific subclass of InfoBar to own it, and then call
25 // InfoBarService::AddInfoBar() to give it ownership of the infobar. 25 // InfoBarManager::AddInfoBar() to give it ownership of the infobar.
26 // During its life, the InfoBar may be shown and hidden as the owning tab is 26 // During its life, the InfoBar may be shown and hidden as the owning tab is
27 // switched between the foreground and background. Eventually, InfoBarService 27 // switched between the foreground and background. Eventually, InfoBarManager
28 // will instruct the InfoBar to close itself. At this point, the InfoBar will 28 // will instruct the InfoBar to close itself. At this point, the InfoBar will
29 // optionally animate closed; once it's no longer visible, it deletes itself, 29 // optionally animate closed; once it's no longer visible, it deletes itself,
30 // destroying the InfoBarDelegate in the process. 30 // destroying the InfoBarDelegate in the process.
31 // 31 //
32 // Thus, InfoBarDelegate and InfoBar implementations can assume they share 32 // Thus, InfoBarDelegate and InfoBar implementations can assume they share
33 // lifetimes, and not NULL-check each other; but if one needs to reach back into 33 // lifetimes, and not NULL-check each other; but if one needs to reach back into
34 // the owning InfoBarService, it must check whether that's still possible. 34 // the owning InfoBarManager, it must check whether that's still possible.
35 class InfoBar : public gfx::AnimationDelegate { 35 class InfoBar : public gfx::AnimationDelegate {
36 public: 36 public:
37 // These are the types passed as Details for infobar-related notifications. 37 // These are the types passed as Details for infobar-related notifications.
38 typedef InfoBar AddedDetails; 38 typedef InfoBar AddedDetails;
39 typedef std::pair<InfoBar*, bool> RemovedDetails; 39 typedef std::pair<InfoBar*, bool> RemovedDetails;
40 typedef std::pair<InfoBar*, InfoBar*> ReplacedDetails; 40 typedef std::pair<InfoBar*, InfoBar*> ReplacedDetails;
41 41
42 // Platforms must define these. 42 // Platforms must define these.
43 static const int kDefaultBarTargetHeight; 43 static const int kDefaultBarTargetHeight;
44 static const int kSeparatorLineHeight; 44 static const int kSeparatorLineHeight;
45 static const int kDefaultArrowTargetHeight; 45 static const int kDefaultArrowTargetHeight;
46 static const int kMaximumArrowTargetHeight; 46 static const int kMaximumArrowTargetHeight;
47 // The half-width (see comments on |arrow_half_width_| below) scales to its 47 // The half-width (see comments on |arrow_half_width_| below) scales to its
48 // default and maximum values proportionally to how the height scales to its. 48 // default and maximum values proportionally to how the height scales to its.
49 static const int kDefaultArrowTargetHalfWidth; 49 static const int kDefaultArrowTargetHalfWidth;
50 static const int kMaximumArrowTargetHalfWidth; 50 static const int kMaximumArrowTargetHalfWidth;
51 51
52 explicit InfoBar(scoped_ptr<InfoBarDelegate> delegate); 52 explicit InfoBar(scoped_ptr<InfoBarDelegate> delegate);
53 virtual ~InfoBar(); 53 virtual ~InfoBar();
54 54
55 static SkColor GetTopColor(InfoBarDelegate::Type infobar_type); 55 static SkColor GetTopColor(InfoBarDelegate::Type infobar_type);
56 static SkColor GetBottomColor(InfoBarDelegate::Type infobar_type); 56 static SkColor GetBottomColor(InfoBarDelegate::Type infobar_type);
57 57
58 InfoBarService* owner() { return owner_; } 58 InfoBarManager* owner() { return owner_; }
59 InfoBarDelegate* delegate() { return delegate_.get(); } 59 InfoBarDelegate* delegate() { return delegate_.get(); }
60 const InfoBarDelegate* delegate() const { return delegate_.get(); } 60 const InfoBarDelegate* delegate() const { return delegate_.get(); }
61 void set_container(InfoBarContainer* container) { container_ = container; } 61 void set_container(InfoBarContainer* container) { container_ = container; }
62 62
63 // Sets |owner_|. This also calls StoreActiveEntryUniqueID() on |delegate_|. 63 // Sets |owner_|. This also calls StoreActiveEntryUniqueID() on |delegate_|.
64 // This must only be called once as there's no way to extract an infobar from 64 // This must only be called once as there's no way to extract an infobar from
65 // its owner without deleting it, for reparenting in another tab. 65 // its owner without deleting it, for reparenting in another tab.
66 void SetOwner(InfoBarService* owner); 66 void SetOwner(InfoBarManager* owner);
67 67
68 // Makes the infobar visible. If |animate| is true, the infobar is then 68 // Makes the infobar visible. If |animate| is true, the infobar is then
69 // animated to full size. 69 // animated to full size.
70 void Show(bool animate); 70 void Show(bool animate);
71 71
72 // Makes the infobar hidden. If |animate| is false, the infobar is 72 // Makes the infobar hidden. If |animate| is false, the infobar is
73 // immediately removed from the container, and, if now unowned, deleted. If 73 // immediately removed from the container, and, if now unowned, deleted. If
74 // |animate| is true, the infobar is animated to zero size, ultimately 74 // |animate| is true, the infobar is animated to zero size, ultimately
75 // triggering a call to AnimationEnded(). 75 // triggering a call to AnimationEnded().
76 void Hide(bool animate); 76 void Hide(bool animate);
(...skipping 45 matching lines...) Expand 10 before | Expand all | Expand 10 after
122 // current ones, calls PlatformSpecificOnHeightRecalculated(). Informs our 122 // current ones, calls PlatformSpecificOnHeightRecalculated(). Informs our
123 // container our state has changed if either the heights have changed or 123 // container our state has changed if either the heights have changed or
124 // |force_notify| is set. 124 // |force_notify| is set.
125 void RecalculateHeights(bool force_notify); 125 void RecalculateHeights(bool force_notify);
126 126
127 // Checks whether the infobar is unowned and done with all animations. If so, 127 // Checks whether the infobar is unowned and done with all animations. If so,
128 // notifies the container that it should remove this infobar, and deletes 128 // notifies the container that it should remove this infobar, and deletes
129 // itself. 129 // itself.
130 void MaybeDelete(); 130 void MaybeDelete();
131 131
132 InfoBarService* owner_; 132 InfoBarManager* owner_;
133 scoped_ptr<InfoBarDelegate> delegate_; 133 scoped_ptr<InfoBarDelegate> delegate_;
134 InfoBarContainer* container_; 134 InfoBarContainer* container_;
135 gfx::SlideAnimation animation_; 135 gfx::SlideAnimation animation_;
136 136
137 // The current and target heights of the arrow and bar portions, and half the 137 // The current and target heights of the arrow and bar portions, and half the
138 // current arrow width. (It's easier to work in half-widths as we draw the 138 // current arrow width. (It's easier to work in half-widths as we draw the
139 // arrow as two halves on either side of a center point.) 139 // arrow as two halves on either side of a center point.)
140 int arrow_height_; // Includes both fill and top stroke. 140 int arrow_height_; // Includes both fill and top stroke.
141 int arrow_target_height_; 141 int arrow_target_height_;
142 int arrow_half_width_; // Includes only fill. 142 int arrow_half_width_; // Includes only fill.
143 int bar_height_; // Includes both fill and bottom separator. 143 int bar_height_; // Includes both fill and bottom separator.
144 int bar_target_height_; 144 int bar_target_height_;
145 145
146 DISALLOW_COPY_AND_ASSIGN(InfoBar); 146 DISALLOW_COPY_AND_ASSIGN(InfoBar);
147 }; 147 };
148 148
149 #endif // CHROME_BROWSER_INFOBARS_INFOBAR_H_ 149 #endif // CHROME_BROWSER_INFOBARS_INFOBAR_H_
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