diff options
Diffstat (limited to 'chromium/ui/events/x/touch_factory_x11.h')
| -rw-r--r-- | chromium/ui/events/x/touch_factory_x11.h | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/chromium/ui/events/x/touch_factory_x11.h b/chromium/ui/events/x/touch_factory_x11.h index ed62c6d247f..4d8a989fd8f 100644 --- a/chromium/ui/events/x/touch_factory_x11.h +++ b/chromium/ui/events/x/touch_factory_x11.h @@ -7,6 +7,8 @@ #include <bitset> #include <map> +#include <set> +#include <utility> #include <vector> #include "base/timer/timer.h" @@ -72,6 +74,11 @@ class EVENTS_BASE_EXPORT TouchFactory { // Whether any touch device is currently present and enabled. bool IsTouchDevicePresent(); + // Pairs of <vendor id, product id> of external touch screens. + const std::set<std::pair<int, int> >& GetTouchscreenIds() const { + return touchscreen_ids_; + } + // Return maximum simultaneous touch points supported by device. int GetMaxTouchPoints() const; @@ -89,6 +96,8 @@ class EVENTS_BASE_EXPORT TouchFactory { // Requirement for Singleton friend struct DefaultSingletonTraits<TouchFactory>; + void CacheTouchscreenIds(Display* display, int id); + // NOTE: To keep track of touch devices, we currently maintain a lookup table // to quickly decide if a device is a touch device or not. We also maintain a // list of the touch devices. Ideally, there will be only one touch device, @@ -118,6 +127,9 @@ class EVENTS_BASE_EXPORT TouchFactory { // capable. std::map<int, bool> touch_device_list_; + // Touch screen <vid, pid>s. + std::set<std::pair<int, int> > touchscreen_ids_; + // Maximum simultaneous touch points supported by device. In the case of // devices with multiple digitizers (e.g. multiple touchscreens), the value // is the maximum of the set of maximum supported contacts by each individual |