Pointer/hover media query support: platform-dependent changes

ui/base/touch/touch_device.h

Index: ui/base/touch/touch_device.h
diff --git a/ui/base/touch/touch_device.h b/ui/base/touch/touch_device.h
index fd75ebcc9c6714e66ae918ab7a276e299d6b9bb9..0045dbb3de1a16d7e78951331425bcf6b254bff7 100644
--- a/ui/base/touch/touch_device.h
+++ b/ui/base/touch/touch_device.h
@@ -26,6 +26,29 @@ UI_BASE_EXPORT bool IsTouchDevicePresent();
 // http://www.w3.org/TR/pointerevents/#widl-Navigator-maxTouchPoints
 UI_BASE_EXPORT int MaxTouchPoints();
 
+// Bit field values indicating what kind of pointer types are available. These
+// enum must match content::PointerType enums.
+// GENERATED_JAVA_ENUM_PACKAGE: org.chromium.ui.base
+// GENERATED_JAVA_PREFIX_TO_STRIP: PointerType
+enum PointerType {
+  PointerTypeNone = 1,

[mkosiba (inactive), 2014/11/10 22:00:13]

nit: Though the Google C++ Style Guide now says to use kConstantNaming for
enums, Chromium was written using MACRO_STYLE naming.  Continue to use this
style for consistency.
http://www.chromium.org/developers/coding-style

[mustaq, 2014/11/26 16:28:45]

Done.

+  PointerTypeCoarse = 2,
+  PointerTypeFine = 4
+};
+
+// Bit field values indicating what kind of pointer types are available. These
+// enums must match content::HoverType enums.
+enum HoverType {
+  HoverTypeNone = 1,
+  HoverTypeOnDemand = 2,
+  HoverTypeHover = 4
+};
+
+UI_BASE_EXPORT int AvailablePointerTypes();
+UI_BASE_EXPORT PointerType PrimaryPointerType();
+UI_BASE_EXPORT int AvailableHoverTypes();
+UI_BASE_EXPORT HoverType PrimaryHoverType();
+
 #if defined(OS_ANDROID)
 bool RegisterTouchDeviceAndroid(JNIEnv* env);
 #endif