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// 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/browser/renderer_host/generic_touch_gesture_android.h"
#include "base/debug/trace_event.h"
#include "content/browser/renderer_host/render_widget_host_impl.h"
#include "jni/GenericTouchGesture_jni.h"
namespace {
bool g_jni_initialized = false;
void RegisterNativesIfNeeded(JNIEnv* env) {
if (!g_jni_initialized) {
content::RegisterNativesImpl(env);
g_jni_initialized = true;
}
}
} // namespace
namespace content {
GenericTouchGestureAndroid::GenericTouchGestureAndroid(
RenderWidgetHost* rwh,
base::android::ScopedJavaLocalRef<jobject> java_touch_gesture)
: has_started_(false),
has_finished_(false),
rwh_(rwh),
java_touch_gesture_(java_touch_gesture) {
JNIEnv* env = base::android::AttachCurrentThread();
RegisterNativesIfNeeded(env);
}
GenericTouchGestureAndroid::~GenericTouchGestureAndroid() {
}
bool GenericTouchGestureAndroid::ForwardInputEvents(
base::TimeTicks now, RenderWidgetHost* host) {
if (!has_started_) {
has_started_ = true;
JNIEnv* env = base::android::AttachCurrentThread();
Java_GenericTouchGesture_start(
env, java_touch_gesture_.obj(), reinterpret_cast<intptr_t>(this));
}
return !has_finished_;
}
float GenericTouchGestureAndroid::GetDelta(
JNIEnv* env, jobject obj, float scale) {
return synthetic_gesture_calculator_.GetDelta(
base::TimeTicks::Now(),
RenderWidgetHostImpl::From(rwh_)->GetSyntheticGestureMessageInterval()) *
scale;
}
void GenericTouchGestureAndroid::SetHasFinished(JNIEnv* env, jobject obj) {
has_finished_ = true;
}
} // namespace content
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