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// Copyright 2015 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 "ui/platform_window/android/platform_window_android.h"
#include <android/input.h>
#include <android/native_window_jni.h>
#include "base/android/context_utils.h"
#include "base/android/jni_android.h"
#include "jni/PlatformWindowAndroid_jni.h"
#include "ui/events/event.h"
#include "ui/events/keycodes/keyboard_code_conversion_android.h"
#include "ui/gfx/geometry/point.h"
#include "ui/platform_window/platform_window_delegate.h"
namespace ui {
namespace {
ui::EventType MotionEventActionToEventType(jint action) {
switch (action) {
case AMOTION_EVENT_ACTION_DOWN:
case AMOTION_EVENT_ACTION_POINTER_DOWN:
return ui::ET_TOUCH_PRESSED;
case AMOTION_EVENT_ACTION_UP:
case AMOTION_EVENT_ACTION_POINTER_UP:
return ui::ET_TOUCH_RELEASED;
case AMOTION_EVENT_ACTION_MOVE:
return ui::ET_TOUCH_MOVED;
case AMOTION_EVENT_ACTION_CANCEL:
return ui::ET_TOUCH_CANCELLED;
case AMOTION_EVENT_ACTION_OUTSIDE:
case AMOTION_EVENT_ACTION_HOVER_MOVE:
case AMOTION_EVENT_ACTION_SCROLL:
case AMOTION_EVENT_ACTION_HOVER_ENTER:
case AMOTION_EVENT_ACTION_HOVER_EXIT:
default:
NOTIMPLEMENTED() << "Unimplemented motion action: " << action;
}
return ui::ET_UNKNOWN;
}
} // namespace
////////////////////////////////////////////////////////////////////////////////
// PlatformWindowAndroid, public:
// static
bool PlatformWindowAndroid::Register(JNIEnv* env) {
return RegisterNativesImpl(env);
}
PlatformWindowAndroid::PlatformWindowAndroid(PlatformWindowDelegate* delegate)
: delegate_(delegate),
window_(NULL),
id_generator_(0),
weak_factory_(this) {
}
PlatformWindowAndroid::~PlatformWindowAndroid() {
if (window_)
ReleaseWindow();
JNIEnv* env = base::android::AttachCurrentThread();
ScopedJavaLocalRef<jobject> scoped_obj =
java_platform_window_android_.get(env);
if (!scoped_obj.is_null()) {
Java_PlatformWindowAndroid_detach(env, scoped_obj.obj());
}
}
void PlatformWindowAndroid::Destroy(JNIEnv* env,
const JavaParamRef<jobject>& obj) {
delegate_->OnClosed();
}
void PlatformWindowAndroid::SurfaceCreated(
JNIEnv* env,
const JavaParamRef<jobject>& obj,
const JavaParamRef<jobject>& jsurface,
float device_pixel_ratio) {
// Note: This ensures that any local references used by
// ANativeWindow_fromSurface are released immediately. This is needed as a
// workaround for https://code.google.com/p/android/issues/detail?id=68174
{
base::android::ScopedJavaLocalFrame scoped_local_reference_frame(env);
window_ = ANativeWindow_fromSurface(env, jsurface);
}
delegate_->OnAcceleratedWidgetAvailable(window_, device_pixel_ratio);
}
void PlatformWindowAndroid::SurfaceDestroyed(JNIEnv* env,
const JavaParamRef<jobject>& obj) {
DCHECK(window_);
delegate_->OnAcceleratedWidgetDestroyed();
ReleaseWindow();
}
void PlatformWindowAndroid::SurfaceSetSize(JNIEnv* env,
const JavaParamRef<jobject>& obj,
jint width,
jint height,
jfloat density) {
size_ = gfx::Size(static_cast<int>(width), static_cast<int>(height));
delegate_->OnBoundsChanged(gfx::Rect(size_));
}
bool PlatformWindowAndroid::TouchEvent(JNIEnv* env,
const JavaParamRef<jobject>& obj,
jlong time_ms,
jint masked_action,
jint pointer_id,
jfloat x,
jfloat y,
jfloat pressure,
jfloat touch_major,
jfloat touch_minor,
jfloat orientation,
jfloat h_wheel,
jfloat v_wheel) {
ui::EventType event_type = MotionEventActionToEventType(masked_action);
if (event_type == ui::ET_UNKNOWN)
return false;
ui::TouchEvent touch(event_type, gfx::Point(), ui::EF_NONE, pointer_id,
base::TimeDelta::FromMilliseconds(time_ms), touch_major,
touch_minor, orientation, pressure);
touch.set_location_f(gfx::PointF(x, y));
touch.set_root_location_f(gfx::PointF(x, y));
delegate_->DispatchEvent(&touch);
return true;
}
bool PlatformWindowAndroid::KeyEvent(JNIEnv* env,
const JavaParamRef<jobject>& obj,
bool pressed,
jint key_code,
jint unicode_character) {
ui::KeyEvent key_event(pressed ? ui::ET_KEY_PRESSED : ui::ET_KEY_RELEASED,
ui::KeyboardCodeFromAndroidKeyCode(key_code), 0);
delegate_->DispatchEvent(&key_event);
if (pressed && unicode_character) {
ui::KeyEvent char_event(unicode_character,
ui::KeyboardCodeFromAndroidKeyCode(key_code), 0);
delegate_->DispatchEvent(&char_event);
}
return true;
}
void PlatformWindowAndroid::ReleaseWindow() {
ANativeWindow_release(window_);
window_ = NULL;
}
////////////////////////////////////////////////////////////////////////////////
// PlatformWindowAndroid, PlatformWindow implementation:
void PlatformWindowAndroid::Show() {
if (!java_platform_window_android_.is_empty())
return;
JNIEnv* env = base::android::AttachCurrentThread();
java_platform_window_android_ = JavaObjectWeakGlobalRef(
env, Java_PlatformWindowAndroid_createForActivity(
env, base::android::GetApplicationContext(),
reinterpret_cast<jlong>(this),
reinterpret_cast<jlong>(&platform_ime_controller_)).obj());
}
void PlatformWindowAndroid::Hide() {
// Nothing to do. View is always visible.
}
void PlatformWindowAndroid::Close() {
delegate_->OnCloseRequest();
}
void PlatformWindowAndroid::SetBounds(const gfx::Rect& bounds) {
NOTIMPLEMENTED();
}
gfx::Rect PlatformWindowAndroid::GetBounds() {
return gfx::Rect(size_);
}
void PlatformWindowAndroid::SetTitle(const base::string16& title) {
NOTIMPLEMENTED();
}
void PlatformWindowAndroid::SetCapture() {
NOTIMPLEMENTED();
}
void PlatformWindowAndroid::ReleaseCapture() {
NOTIMPLEMENTED();
}
void PlatformWindowAndroid::ToggleFullscreen() {
NOTIMPLEMENTED();
}
void PlatformWindowAndroid::Maximize() {
NOTIMPLEMENTED();
}
void PlatformWindowAndroid::Minimize() {
NOTIMPLEMENTED();
}
void PlatformWindowAndroid::Restore() {
NOTIMPLEMENTED();
}
void PlatformWindowAndroid::SetCursor(PlatformCursor cursor) {
NOTIMPLEMENTED();
}
void PlatformWindowAndroid::MoveCursorTo(const gfx::Point& location) {
NOTIMPLEMENTED();
}
void PlatformWindowAndroid::ConfineCursorToBounds(const gfx::Rect& bounds) {
NOTIMPLEMENTED();
}
PlatformImeController* PlatformWindowAndroid::GetPlatformImeController() {
return &platform_ime_controller_;
}
} // namespace ui
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