diff options
Diffstat (limited to 'chrome/browser/cocoa/tab_view.h')
| -rw-r--r-- | chrome/browser/cocoa/tab_view.h | 41 |
1 files changed, 39 insertions, 2 deletions
diff --git a/chrome/browser/cocoa/tab_view.h b/chrome/browser/cocoa/tab_view.h index 58383af..b43053e 100644 --- a/chrome/browser/cocoa/tab_view.h +++ b/chrome/browser/cocoa/tab_view.h @@ -11,6 +11,26 @@ #import "chrome/browser/cocoa/background_gradient_view.h" #import "chrome/browser/cocoa/hover_close_button.h" +namespace tabs { + +// Nomenclature: +// Tabs _glow_ under two different circumstances, when they are _hovered_ (by +// the mouse) and when they are _alerted_ (to show that the tab's title has +// changed). + +// The state of alerting (to show a title change on an unselected, pinned tab). +// This is more complicated than a simple on/off since we want to allow the +// alert glow to go through a full rise-hold-fall cycle to avoid flickering (or +// always holding). +enum AlertState { + kAlertNone = 0, // Obj-C initializes to this. + kAlertRising, + kAlertHolding, + kAlertFalling +}; + +} // namespace tabs + @class TabController, TabWindowController; // A view that handles the event tracking (clicking and dragging) for a tab @@ -29,8 +49,16 @@ scoped_nsobject<NSTrackingArea> closeTrackingArea_; BOOL isMouseInside_; // Is the mouse hovering over? - CGFloat hoverAlpha_; // How strong the mouse hover state is. - NSTimeInterval lastHoverUpdate_; // Time the hover value was last updated. + tabs::AlertState alertState_; + + CGFloat hoverAlpha_; // How strong the hover glow is. + NSTimeInterval hoverHoldEndTime_; // When the hover glow will begin dimming. + + CGFloat alertAlpha_; // How strong the alert glow is. + NSTimeInterval alertHoldEndTime_; // When the hover glow will begin dimming. + + NSTimeInterval lastGlowUpdate_; // Time either glow was last updated. + NSPoint hoverPoint_; // Current location of hover in view coords. // All following variables are valid for the duration of a drag. @@ -60,6 +88,7 @@ @property(assign, nonatomic) NSCellStateValue state; @property(assign, nonatomic) CGFloat hoverAlpha; +@property(assign, nonatomic) CGFloat alertAlpha; // Determines if the tab is in the process of animating closed. It may still // be visible on-screen, but should not respond to/initiate any events. Upon @@ -70,6 +99,14 @@ // Enables/Disables tracking regions for the tab. - (void)setTrackingEnabled:(BOOL)enabled; +// Begin showing an "alert" glow (shown to call attention to an unselected +// pinned tab whose title changed). +- (void)startAlert; + +// Stop showing the "alert" glow; this won't immediately wipe out any glow, but +// will make it fade away. +- (void)cancelAlert; + @end #endif // CHROME_BROWSER_COCOA_TAB_VIEW_H_ |