chrome/browser/ui/gtk/zoom_bubble_gtk.h - Issue 231733005: Delete the GTK+ port of Chrome.

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Issue 231733005: Delete the GTK+ port of Chrome. (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/src

Patch Set: Remerge to ToT Created 6 years, 8 months ago

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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.

4

5 #ifndef CHROME_BROWSER_UI_GTK_ZOOM_BUBBLE_GTK_H_

6 #define CHROME_BROWSER_UI_GTK_ZOOM_BUBBLE_GTK_H_

7

8 #include <gtk/gtk.h>

9

10 #include "base/basictypes.h"

11 #include "base/timer/timer.h"

12 #include "chrome/browser/ui/gtk/bubble/bubble_gtk.h"

13 #include "content/public/browser/notification_observer.h"

14 #include "content/public/browser/notification_registrar.h"

15 #include "ui/base/gtk/gtk_signal.h"

16

17 typedef struct _GtkWidget GtkWidget;

18

19 class FullscreenController;

20

21 namespace content {

22 class NotificationDetails;

23 class NotificationSource;

24 class WebContents;

25 }

26

27 class ZoomBubbleGtk : public content::NotificationObserver {

28 public:

29 // Shows the zoom bubble below \|anchor_widget\| with an arrow pointing at

30 // \|anchor_widget\|. If \|anchor_widget\| is a toplevel window, the bubble will

31 // fixed positioned in the top right of corner of the widget with no arrow.

32 static void ShowBubble(content::WebContents* web_contents,

33 bool auto_close);

34

35 // Whether the zoom bubble is currently showing.

36 static bool IsShowing();

37

38 // Closes the zoom bubble (if there is one).

39 static void CloseBubble();

40

41 private:

42 ZoomBubbleGtk(GtkWidget* anchor,

43 content::WebContents* web_contents,

44 bool auto_close,

45 FullscreenController* fullscreen_controller);

46

47 virtual ~ZoomBubbleGtk();

48

49 // content::NotificationObserver:

50 virtual void Observe(int type,

51 const content::NotificationSource& source,

52 const content::NotificationDetails& details) OVERRIDE;

53

54 // Convenience method to start \|timer_\| if \|auto_close_\| is true.

55 void StartTimerIfNecessary();

56

57 // Stops any close timer if \|timer_\| is currently running.

58 void StopTimerIfNecessary();

59

60 // Refreshes the bubble by changing the zoom percentage appropriately and

61 // resetting the timer if necessary.

62 void Refresh();

63

64 // Closes the zoom bubble.

65 void Close();

66

67 // Notified when the bubble is destroyed so this instance can be deleted.

68 CHROMEGTK_CALLBACK_0(ZoomBubbleGtk, void, OnDestroy);

69

70 // Fired when the reset link is clicked.

71 CHROMEGTK_CALLBACK_0(ZoomBubbleGtk, void, OnSetDefaultLinkClick);

72

73 // Fired when the mouse enters or leaves the widget.

74 CHROMEGTK_CALLBACK_1(ZoomBubbleGtk, gboolean, OnMouseEnter,

75 GdkEventCrossing*);

76 CHROMEGTK_CALLBACK_1(ZoomBubbleGtk, gboolean, OnMouseLeave,

77 GdkEventCrossing*);

78

79 // Whether the currently displayed bubble will automatically close.

80 bool auto_close_;

81

82 // Whether the mouse is currently inside the bubble.

83 bool mouse_inside_;

84

85 // Timer used to close the bubble when \|auto_close_\| is true.

86 base::OneShotTimer<ZoomBubbleGtk> timer_;

87

88 // The WebContents for the page whose zoom has changed.

89 content::WebContents* web_contents_;

90

91 // An event box that wraps the content of the bubble.

92 GtkWidget* event_box_;

93

94 // Label showing zoom percentage.

95 GtkWidget* label_;

96

97 // The BubbleGtk object containing the zoom bubble's content.

98 BubbleGtk* bubble_;

99

100 // Used to register for fullscreen change notifications.

101 content::NotificationRegistrar registrar_;

102

103 DISALLOW_COPY_AND_ASSIGN(ZoomBubbleGtk);

104 };

105

106 #endif // CHROME_BROWSER_UI_GTK_ZOOM_BUBBLE_GTK_H_

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