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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 "mojo/services/native_viewport/native_viewport_android.h"
#include <android/input.h>
#include <android/native_window_jni.h>
#include "base/android/jni_android.h"
#include "jni/NativeViewportAndroid_jni.h"
#include "mojo/shell/context.h"
#include "ui/events/event.h"
#include "ui/gfx/point.h"
namespace mojo {
namespace services {
ui::EventType MotionEventActionToEventType(jint action) {
switch (action) {
case AMOTION_EVENT_ACTION_DOWN:
return ui::ET_TOUCH_PRESSED;
case AMOTION_EVENT_ACTION_MOVE:
return ui::ET_TOUCH_MOVED;
case AMOTION_EVENT_ACTION_UP:
return ui::ET_TOUCH_RELEASED;
default:
NOTREACHED();
}
return ui::ET_UNKNOWN;
}
////////////////////////////////////////////////////////////////////////////////
// NativeViewportAndroid, public:
// static
bool NativeViewportAndroid::Register(JNIEnv* env) {
return RegisterNativesImpl(env);
}
NativeViewportAndroid::NativeViewportAndroid(shell::Context* context,
NativeViewportDelegate* delegate)
: delegate_(delegate),
context_(context),
window_(NULL),
id_generator_(0),
weak_factory_(this) {
}
NativeViewportAndroid::~NativeViewportAndroid() {
if (window_)
ReleaseWindow();
}
void NativeViewportAndroid::Destroy(JNIEnv* env, jobject obj) {
delegate_->OnDestroyed();
}
void NativeViewportAndroid::SurfaceCreated(JNIEnv* env,
jobject obj,
jobject jsurface) {
base::android::ScopedJavaLocalRef<jobject> protector(env, jsurface);
window_ = ANativeWindow_fromSurface(env, jsurface);
delegate_->OnAcceleratedWidgetAvailable(window_);
}
void NativeViewportAndroid::SurfaceDestroyed(JNIEnv* env, jobject obj) {
DCHECK(!window_);
ReleaseWindow();
}
void NativeViewportAndroid::SurfaceSetSize(JNIEnv* env, jobject obj,
jint width, jint height) {
size_ = gfx::Size(width, height);
delegate_->OnResized(size_);
}
bool NativeViewportAndroid::TouchEvent(JNIEnv* env, jobject obj,
jint pointer_id,
jint action,
jfloat x, jfloat y,
jlong time_ms) {
gfx::Point location(static_cast<int>(x), static_cast<int>(y));
ui::TouchEvent event(MotionEventActionToEventType(action), location,
id_generator_.GetGeneratedID(pointer_id),
base::TimeDelta::FromMilliseconds(time_ms));
// TODO(beng): handle multiple touch-points.
delegate_->OnEvent(&event);
if (action == ui::ET_TOUCH_RELEASED)
id_generator_.ReleaseNumber(pointer_id);
return true;
}
////////////////////////////////////////////////////////////////////////////////
// NativeViewportAndroid, NativeViewport implementation:
void NativeViewportAndroid::Init() {
JNIEnv* env = base::android::AttachCurrentThread();
Java_NativeViewportAndroid_createForActivity(env, context_->activity(),
reinterpret_cast<jint>(this));
}
void NativeViewportAndroid::Close() {
// TODO(beng): close activity containing MojoView?
// TODO(beng): perform this in response to view destruction.
delegate_->OnDestroyed();
}
gfx::Size NativeViewportAndroid::GetSize() {
return size_;
}
void NativeViewportAndroid::SetCapture() {
NOTIMPLEMENTED();
}
void NativeViewportAndroid::ReleaseCapture() {
NOTIMPLEMENTED();
}
////////////////////////////////////////////////////////////////////////////////
// NativeViewportAndroid, private:
void NativeViewportAndroid::ReleaseWindow() {
ANativeWindow_release(window_);
window_ = NULL;
}
////////////////////////////////////////////////////////////////////////////////
// NativeViewport, public:
// static
scoped_ptr<NativeViewport> NativeViewport::Create(
shell::Context* context,
NativeViewportDelegate* delegate) {
return scoped_ptr<NativeViewport>(
new NativeViewportAndroid(context, delegate)).Pass();
}
} // namespace services
} // namespace mojo
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