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/*
* Copyright (C) 2011 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef _ANDROID_VIEW_POINTER_ICON_H
#define _ANDROID_VIEW_POINTER_ICON_H
#include "jni.h"
#include <utils/Errors.h>
#include <SkBitmap.h>
namespace android {
/* Pointer icon styles.
* Must match the definition in android.view.PointerIcon.
*/
enum {
POINTER_ICON_STYLE_CUSTOM = -1,
POINTER_ICON_STYLE_NULL = 0,
POINTER_ICON_STYLE_ARROW = 1000,
POINTER_ICON_STYLE_SPOT_HOVER = 2000,
POINTER_ICON_STYLE_SPOT_TOUCH = 2001,
POINTER_ICON_STYLE_SPOT_ANCHOR = 2002,
};
/*
* Describes a pointer icon.
*/
struct PointerIcon {
inline PointerIcon() {
reset();
}
int32_t style;
SkBitmap bitmap;
float hotSpotX;
float hotSpotY;
inline bool isNullIcon() {
return style == POINTER_ICON_STYLE_NULL;
}
inline void reset() {
style = POINTER_ICON_STYLE_NULL;
bitmap.reset();
hotSpotX = 0;
hotSpotY = 0;
}
};
/* Gets a system pointer icon with the specified style. */
extern jobject android_view_PointerIcon_getSystemIcon(JNIEnv* env,
jobject contextObj, int32_t style);
/* Loads the bitmap associated with a pointer icon.
* If pointerIconObj is NULL, returns OK and a pointer icon with POINTER_ICON_STYLE_NULL. */
extern status_t android_view_PointerIcon_load(JNIEnv* env,
jobject pointerIconObj, jobject contextObj, PointerIcon* outPointerIcon);
/* Loads the bitmap associated with a pointer icon by style.
* If pointerIconObj is NULL, returns OK and a pointer icon with POINTER_ICON_STYLE_NULL. */
extern status_t android_view_PointerIcon_loadSystemIcon(JNIEnv* env,
jobject contextObj, int32_t style, PointerIcon* outPointerIcon);
} // namespace android
#endif // _ANDROID_OS_POINTER_ICON_H
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