diff options
Diffstat (limited to 'chromium/ui/gfx/display_observer.h')
| -rw-r--r-- | chromium/ui/gfx/display_observer.h | 16 |
1 files changed, 14 insertions, 2 deletions
diff --git a/chromium/ui/gfx/display_observer.h b/chromium/ui/gfx/display_observer.h index ca97247f9ed..0730f266206 100644 --- a/chromium/ui/gfx/display_observer.h +++ b/chromium/ui/gfx/display_observer.h @@ -5,6 +5,8 @@ #ifndef UI_GFX_DISPLAY_OBSERVER_H_ #define UI_GFX_DISPLAY_OBSERVER_H_ +#include <stdint.h> + #include "ui/gfx/gfx_export.h" namespace gfx { @@ -15,8 +17,13 @@ class Display; // |DisplaySettingsProvier|. crbug.com/122863. class GFX_EXPORT DisplayObserver { public: - // Called when the |display|'s bound has changed. - virtual void OnDisplayBoundsChanged(const Display& display) = 0; + enum DisplayMetric { + DISPLAY_METRIC_NONE = 0, + DISPLAY_METRIC_BOUNDS = 1 << 0, + DISPLAY_METRIC_WORK_AREA = 1 << 1, + DISPLAY_METRIC_DEVICE_SCALE_FACTOR = 1 << 2, + DISPLAY_METRIC_ROTATION = 1 << 3, + }; // Called when |new_display| has been added. virtual void OnDisplayAdded(const Display& new_display) = 0; @@ -24,6 +31,11 @@ class GFX_EXPORT DisplayObserver { // Called when |old_display| has been removed. virtual void OnDisplayRemoved(const Display& old_display) = 0; + // Called when a |display| has one or more metrics changed. |changed_metrics| + // will contain the information about the change, see |DisplayMetric|. + virtual void OnDisplayMetricsChanged(const Display& display, + uint32_t changed_metrics) = 0; + protected: virtual ~DisplayObserver(); }; |