Jeff Brown | 2352b97 | 2011-04-12 22:39:53 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2011 The Android Open Source Project |
| 3 | * |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * You may obtain a copy of the License at |
| 7 | * |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 10 | * Unless required by applicable law or agreed to in writing, software |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | * See the License for the specific language governing permissions and |
| 14 | * limitations under the License. |
| 15 | */ |
| 16 | |
| 17 | #ifndef _ANDROID_VIEW_POINTER_ICON_H |
| 18 | #define _ANDROID_VIEW_POINTER_ICON_H |
| 19 | |
| 20 | #include "jni.h" |
| 21 | |
| 22 | #include <utils/Errors.h> |
| 23 | #include <SkBitmap.h> |
| 24 | |
| 25 | namespace android { |
| 26 | |
| 27 | /* Pointer icon styles. |
| 28 | * Must match the definition in android.view.PointerIcon. |
| 29 | */ |
| 30 | enum { |
| 31 | POINTER_ICON_STYLE_CUSTOM = -1, |
| 32 | POINTER_ICON_STYLE_NULL = 0, |
| 33 | POINTER_ICON_STYLE_ARROW = 1000, |
| 34 | POINTER_ICON_STYLE_SPOT_HOVER = 2000, |
| 35 | POINTER_ICON_STYLE_SPOT_TOUCH = 2001, |
| 36 | POINTER_ICON_STYLE_SPOT_ANCHOR = 2002, |
| 37 | }; |
| 38 | |
| 39 | /* |
| 40 | * Describes a pointer icon. |
| 41 | */ |
| 42 | struct PointerIcon { |
| 43 | inline PointerIcon() { |
| 44 | reset(); |
| 45 | } |
| 46 | |
| 47 | int32_t style; |
| 48 | SkBitmap bitmap; |
| 49 | float hotSpotX; |
| 50 | float hotSpotY; |
| 51 | |
| 52 | inline bool isNullIcon() { |
| 53 | return style == POINTER_ICON_STYLE_NULL; |
| 54 | } |
| 55 | |
| 56 | inline void reset() { |
| 57 | style = POINTER_ICON_STYLE_NULL; |
| 58 | bitmap.reset(); |
| 59 | hotSpotX = 0; |
| 60 | hotSpotY = 0; |
| 61 | } |
| 62 | }; |
| 63 | |
| 64 | /* Gets a system pointer icon with the specified style. */ |
| 65 | extern jobject android_view_PointerIcon_getSystemIcon(JNIEnv* env, |
| 66 | jobject contextObj, int32_t style); |
| 67 | |
| 68 | /* Loads the bitmap associated with a pointer icon. |
| 69 | * If pointerIconObj is NULL, returns OK and a pointer icon with POINTER_ICON_STYLE_NULL. */ |
| 70 | extern status_t android_view_PointerIcon_load(JNIEnv* env, |
| 71 | jobject pointerIconObj, jobject contextObj, PointerIcon* outPointerIcon); |
| 72 | |
| 73 | /* Loads the bitmap associated with a pointer icon by style. |
| 74 | * If pointerIconObj is NULL, returns OK and a pointer icon with POINTER_ICON_STYLE_NULL. */ |
| 75 | extern status_t android_view_PointerIcon_loadSystemIcon(JNIEnv* env, |
| 76 | jobject contextObj, int32_t style, PointerIcon* outPointerIcon); |
| 77 | |
| 78 | } // namespace android |
| 79 | |
| 80 | #endif // _ANDROID_OS_POINTER_ICON_H |