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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_GTK_INFOBARS_INFOBAR_CONTAINER_GTK_H_ | |
6 #define CHROME_BROWSER_UI_GTK_INFOBARS_INFOBAR_CONTAINER_GTK_H_ | |
7 | |
8 #include <vector> | |
9 | |
10 #include "base/basictypes.h" | |
11 #include "base/compiler_specific.h" | |
12 #include "chrome/browser/infobars/infobar_container.h" | |
13 #include "ui/base/gtk/owned_widget_gtk.h" | |
14 | |
15 class InfoBar; | |
16 class InfoBarGtk; | |
17 class InfoBarDelegate; | |
18 class Profile; | |
19 | |
20 namespace gfx { | |
21 class Rect; | |
22 } | |
23 | |
24 typedef struct _GdkColor GdkColor; | |
25 typedef struct _GdkEventExpose GdkEventExpose; | |
26 typedef struct _GtkWidget GtkWidget; | |
27 | |
28 // Container that both contains the currently displaying infobars, and does | |
29 // drawing of infobar arrows on other widgets. | |
30 // | |
31 // Due to how X11/GTK+ works, this class owns the methods to draw arrows on top | |
32 // of other widgets. Since most bars in the top of the window have their own | |
33 // event boxes, we can't just draw over the coordinates in the toplevel window | |
34 // as event boxes get their own canvases (and they need to have their own event | |
35 // boxes for a mixture of handling mouse events and themeing). And because they | |
36 // have their own event boxes and event boxes can't be partially transparent, | |
37 // we can't just overlap the widgets. | |
38 class InfoBarContainerGtk : public InfoBarContainer { | |
39 public: | |
40 InfoBarContainerGtk(InfoBarContainer::Delegate* delegate, | |
41 Profile* profile); | |
42 virtual ~InfoBarContainerGtk(); | |
43 | |
44 // Get the native widget. | |
45 GtkWidget* widget() const { return container_.get(); } | |
46 | |
47 // Remove the specified InfoBarDelegate from the selected WebContents. This | |
48 // will notify us back and cause us to close the View. This is called from | |
49 // the InfoBar's close button handler. | |
50 void RemoveDelegate(InfoBarDelegate* delegate); | |
51 | |
52 // Returns the total pixel height of all infobars in this container that | |
53 // are currently animating. | |
54 int TotalHeightOfAnimatingBars() const; | |
55 | |
56 // True if we are displaying any infobars. | |
57 bool ContainsInfobars() const; | |
58 | |
59 // Paints parts of infobars that aren't inside the infobar's widget. This | |
60 // method is called with |widget|/|expose| pairs for both infobars and | |
61 // toolbars. All infobars starting from |infobar| (NULL for the first) to the | |
62 // end of the list will be rendered. | |
63 void PaintInfobarBitsOn(GtkWidget* widget, | |
64 GdkEventExpose* expose, | |
65 InfoBarGtk* infobar); | |
66 | |
67 protected: | |
68 // InfoBarContainer: | |
69 virtual void PlatformSpecificAddInfoBar(InfoBar* infobar, | |
70 size_t position) OVERRIDE; | |
71 virtual void PlatformSpecificRemoveInfoBar(InfoBar* infobar) OVERRIDE; | |
72 virtual void PlatformSpecificInfoBarStateChanged(bool is_animating) OVERRIDE; | |
73 | |
74 private: | |
75 // Performs the actual painting of the arrow in an expose event. | |
76 void PaintArrowOn(GtkWidget* widget, | |
77 GdkEventExpose* expose, | |
78 const gfx::Rect& bounds, | |
79 InfoBarGtk* source); | |
80 | |
81 // The profile for the browser that hosts this InfoBarContainer. | |
82 Profile* profile_; | |
83 | |
84 // A list of the InfoBarGtk* instances. Used during drawing to determine | |
85 // which InfoBarGtk supplies information about drawing the arrows. | |
86 std::vector<InfoBarGtk*> infobars_gtk_; | |
87 | |
88 // VBox that holds the info bars. | |
89 ui::OwnedWidgetGtk container_; | |
90 | |
91 DISALLOW_COPY_AND_ASSIGN(InfoBarContainerGtk); | |
92 }; | |
93 | |
94 #endif // CHROME_BROWSER_UI_GTK_INFOBARS_INFOBAR_CONTAINER_GTK_H_ | |
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