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Unified Diff: ui/base/touch/touch_device_android.cc

Issue 186943002: Plumbing maxTouchPoints for Android. (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/src
Patch Set: Created 6 years, 10 months ago
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Index: ui/base/touch/touch_device_android.cc
diff --git a/ui/base/touch/touch_device_android.cc b/ui/base/touch/touch_device_android.cc
index 2b359c0e3dd44e39d669ddd7db8800862342ac9e..604306c8bb38ff71a6072db2e6514cfa36fef31e 100644
--- a/ui/base/touch/touch_device_android.cc
+++ b/ui/base/touch/touch_device_android.cc
@@ -4,23 +4,23 @@
#include "ui/base/touch/touch_device.h"
+#include "jni/TouchDevice_jni.h"
+
namespace ui {
bool IsTouchDevicePresent() {
return true;
}
-// Looks like the best we can do here is detect 1, 2+, or 5+ by
-// feature detecting:
-// FEATURE_TOUCHSCREEN (1),
-// FEATURE_TOUCHSCREEN_MULTITOUCH (2),
-// FEATURE_TOUCHSCREEN_MULTITOUCH_DISTINCT (2+), or
-// FEATURE_TOUCHSCREEN_MULTITOUCH_JAZZHANDS (5+)
-//
-// Probably start from the biggest and detect down the list until we
-// find one that's supported and return its value.
int MaxTouchPoints() {
- return kMaxTouchPointsUnknown;
+ JNIEnv* env = base::android::AttachCurrentThread();
+ jobject context = base::android::GetApplicationContext();
+ jint max_touch_points = Java_TouchDevice_maxTouchPoints(env, context);
+ return static_cast<int>(max_touch_points);
+}
+
+bool RegisterTouchDeviceAndroid(JNIEnv* env) {
+ return RegisterNativesImpl(env);
}
} // namespace ui
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