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
3 // found in the LICENSE file.
5 #ifndef CHROME_BROWSER_UI_VIEWS_INFOBARS_INFOBAR_VIEW_H_
6 #define CHROME_BROWSER_UI_VIEWS_INFOBARS_INFOBAR_VIEW_H_
8 #include "base/basictypes.h"
9 #include "base/compiler_specific.h"
10 #include "components/infobars/core/infobar.h"
11 #include "components/infobars/core/infobar_container.h"
12 #include "third_party/skia/include/core/SkPath.h"
13 #include "ui/views/controls/button/button.h"
14 #include "ui/views/controls/menu/menu_types.h"
15 #include "ui/views/focus/external_focus_tracker.h"
32 class InfoBarView : public infobars::InfoBar,
34 public views::ButtonListener,
35 public views::ExternalFocusTracker {
37 explicit InfoBarView(scoped_ptr<infobars::InfoBarDelegate> delegate);
39 const SkPath& fill_path() const { return fill_path_; }
40 const SkPath& stroke_path() const { return stroke_path_; }
43 typedef std::vector<views::Label*> Labels;
45 static const int kButtonButtonSpacing;
46 static const int kEndOfLabelSpacing;
48 virtual ~InfoBarView();
50 // Creates a label with the appropriate font and color for an infobar.
51 views::Label* CreateLabel(const base::string16& text) const;
53 // Creates a link with the appropriate font and color for an infobar.
54 // NOTE: Subclasses must ignore link clicks if we're unowned.
55 views::Link* CreateLink(const base::string16& text,
56 views::LinkListener* listener) const;
58 // Creates a button with an infobar-specific appearance.
59 // NOTE: Subclasses must ignore button presses if we're unowned.
60 static views::LabelButton* CreateLabelButton(views::ButtonListener* listener,
61 const base::string16& text);
63 // Given |labels| and the total |available_width| to display them in, sets
64 // each label's size so that the longest label shrinks until it reaches the
65 // length of the next-longest label, then both shrink until reaching the
66 // length of the next-longest, and so forth.
67 static void AssignWidths(Labels* labels, int available_width);
70 virtual void Layout() OVERRIDE;
71 virtual void ViewHierarchyChanged(
72 const ViewHierarchyChangedDetails& details) OVERRIDE;
74 // views::ButtonListener:
75 // NOTE: This must not be called if we're unowned. (Subclasses should ignore
76 // calls to ButtonPressed() in this case.)
77 virtual void ButtonPressed(views::Button* sender,
78 const ui::Event& event) OVERRIDE;
80 // Returns the minimum width the content (that is, everything between the icon
81 // and the close button) can be shrunk to. This is used to prevent the close
82 // button from overlapping views that cannot be shrunk any further.
83 virtual int ContentMinimumWidth() const;
85 // These return x coordinates delimiting the usable area for subclasses to lay
86 // out their controls.
90 // Given a |view|, returns the centered y position within us, taking into
91 // account animation so the control "slides in" (or out) as we animate open
93 int OffsetY(views::View* view) const;
95 // Convenience getter.
96 const infobars::InfoBarContainer::Delegate* container_delegate() const;
98 // Shows a menu at the specified position.
99 // NOTE: This must not be called if we're unowned. (Subclasses should ignore
100 // calls to RunMenu() in this case.)
101 void RunMenuAt(ui::MenuModel* menu_model,
102 views::MenuButton* button,
103 views::MenuAnchorPosition anchor);
106 // Does the actual work for AssignWidths(). Assumes |labels| is sorted by
107 // decreasing preferred width.
108 static void AssignWidthsSorted(Labels* labels, int available_width);
111 virtual void PlatformSpecificShow(bool animate) OVERRIDE;
112 virtual void PlatformSpecificHide(bool animate) OVERRIDE;
113 virtual void PlatformSpecificOnHeightsRecalculated() OVERRIDE;
116 virtual void GetAccessibleState(ui::AXViewState* state) OVERRIDE;
117 virtual gfx::Size GetPreferredSize() const OVERRIDE;
118 virtual void PaintChildren(gfx::Canvas* canvas,
119 const views::CullSet& cull_set) OVERRIDE;
121 // views::ExternalFocusTracker:
122 virtual void OnWillChangeFocus(View* focused_before,
123 View* focused_now) OVERRIDE;
125 // The optional icon at the left edge of the InfoBar.
126 views::ImageView* icon_;
128 // The close button at the right edge of the InfoBar.
129 views::ImageButton* close_button_;
131 // The paths for the InfoBarBackground to draw, sized according to the heights
136 // Used to run the menu.
137 scoped_ptr<views::MenuRunner> menu_runner_;
139 DISALLOW_COPY_AND_ASSIGN(InfoBarView);
142 #endif // CHROME_BROWSER_UI_VIEWS_INFOBARS_INFOBAR_VIEW_H_