[Android] Enable touchscreen tap suppression

Further unify fling and tap behavior across platforms by enabling touchscreen
tap suppression on Android.  Also correct for GestureShowPress deferral
on a deferred GestureTapDown

BUG=313223,313259

Review URL: https://codereview.chromium.org/67103002

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@234147 0039d316-1c4b-4281-b951-d872f2087c98

3 files changed, 92 insertions, 0 deletions

diff --git a/content/common/android/common_jni_registrar.cc b/content/common/android/common_jni_registrar.cc
index ead0cfe..c9d51e9 100644
--- a/content/common/android/common_jni_registrar.cc
+++ b/content/common/android/common_jni_registrar.cc
@@ -10,6 +10,7 @@
 #include "content/common/android/device_telephony_info.h"
 #include "content/common/android/hash_set.h"
 #include "content/common/android/trace_event_binding.h"
+#include "content/common/android/view_configuration.h"
 
 namespace {
 base::android::RegistrationMethod kContentRegisteredMethods[] = {
@@ -18,6 +19,7 @@ base::android::RegistrationMethod kContentRegisteredMethods[] = {
         content::DeviceTelephonyInfo::RegisterDeviceTelephonyInfo },
   { "HashSet", content::RegisterHashSet },
   { "TraceEvent", RegisterTraceEvent },
+  { "ViewConfiguration", content::ViewConfiguration::RegisterViewConfiguration }
 };
 
 }  // namespace
diff --git a/content/common/android/view_configuration.cc b/content/common/android/view_configuration.cc
new file mode 100644
index 0000000..9363ebb
--- /dev/null
+++ b/content/common/android/view_configuration.cc
@@ -0,0 +1,59 @@
+// Copyright 2013 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "content/common/android/view_configuration.h"
+
+#include "base/android/jni_android.h"
+#include "jni/ViewConfiguration_jni.h"
+
+using namespace JNI_ViewConfiguration;
+using base::android::AttachCurrentThread;
+using base::android::GetApplicationContext;
+
+namespace content {
+
+int ViewConfiguration::GetDoubleTapTimeoutInMs() {
+  JNIEnv* env = AttachCurrentThread();
+  return Java_ViewConfiguration_getDoubleTapTimeout(env);
+}
+
+int ViewConfiguration::GetLongPressTimeoutInMs() {
+  JNIEnv* env = AttachCurrentThread();
+  return Java_ViewConfiguration_getLongPressTimeout(env);
+}
+
+int ViewConfiguration::GetTapTimeoutInMs() {
+  JNIEnv* env = AttachCurrentThread();
+  return Java_ViewConfiguration_getTapTimeout(env);
+}
+
+int ViewConfiguration::GetMaximumFlingVelocityInDipsPerSecond() {
+  JNIEnv* env = AttachCurrentThread();
+  return Java_ViewConfiguration_getMaximumFlingVelocity(env);
+}
+
+int ViewConfiguration::GetMinimumFlingVelocityInDipsPerSecond() {
+  JNIEnv* env = AttachCurrentThread();
+  return Java_ViewConfiguration_getMinimumFlingVelocity(env);
+}
+
+int ViewConfiguration::GetMaximumFlingVelocityInPixelsPerSecond() {
+  JNIEnv* env = AttachCurrentThread();
+  ScopedJavaLocalRef<jobject> view =
+      Java_ViewConfiguration_get(env, GetApplicationContext());
+  return Java_ViewConfiguration_getScaledMaximumFlingVelocity(env, view.obj());
+}
+
+int ViewConfiguration::GetMinimumFlingVelocityInPixelsPerSecond() {
+  JNIEnv* env = AttachCurrentThread();
+  ScopedJavaLocalRef<jobject> view =
+      Java_ViewConfiguration_get(env, GetApplicationContext());
+  return Java_ViewConfiguration_getScaledMinimumFlingVelocity(env, view.obj());
+}
+
+bool ViewConfiguration::RegisterViewConfiguration(JNIEnv* env) {
+  return RegisterNativesImpl(env);
+}
+
+}  // namespace content
diff --git a/content/common/android/view_configuration.h b/content/common/android/view_configuration.h
new file mode 100644
index 0000000..4ac664f
--- /dev/null
+++ b/content/common/android/view_configuration.h
@@ -0,0 +1,31 @@
+// Copyright 2013 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#ifndef CONTENT_COMMON_ANDROID_VIEW_CONFIGURATION_H_
+#define CONTENT_COMMON_ANDROID_VIEW_CONFIGURATION_H_
+
+#include <jni.h>
+
+namespace content {
+
+// Provides access to Android's ViewConfiguration for gesture-related constants.
+class ViewConfiguration {
+ public:
+  static int GetDoubleTapTimeoutInMs();
+  static int GetLongPressTimeoutInMs();
+  static int GetTapTimeoutInMs();
+
+  static int GetMaximumFlingVelocityInDipsPerSecond();
+  static int GetMinimumFlingVelocityInDipsPerSecond();
+
+  static int GetMaximumFlingVelocityInPixelsPerSecond();
+  static int GetMinimumFlingVelocityInPixelsPerSecond();
+
+  // Registers methods with JNI and returns true if succeeded.
+  static bool RegisterViewConfiguration(JNIEnv* env);
+};
+
+}  // namespace content
+
+#endif  // CONTENT_COMMON_ANDROID_VIEW_CONFIGURATION_H_