The Android Open Source Project | b2a3dd8 | 2009-03-09 11:52:12 -0700 | [diff] [blame] | 1 | #include "SkTypes.h" |
| 2 | #include "SkImageDecoder.h" |
| 3 | |
Daisuke Miyakawa | 63507ba | 2009-05-26 14:46:35 +0900 | [diff] [blame] | 4 | #define LOG_TAG "EmojiFactory_jni" |
The Android Open Source Project | b2a3dd8 | 2009-03-09 11:52:12 -0700 | [diff] [blame] | 5 | #include <utils/Log.h> |
| 6 | #include <utils/String8.h> |
Kenny Root | 300ba68 | 2010-11-09 14:37:23 -0800 | [diff] [blame] | 7 | #include <utils/String16.h> |
The Android Open Source Project | b2a3dd8 | 2009-03-09 11:52:12 -0700 | [diff] [blame] | 8 | |
| 9 | #include "EmojiFactory.h" |
| 10 | #include <nativehelper/JNIHelp.h> |
| 11 | |
| 12 | #include <dlfcn.h> |
| 13 | // #include <pthread.h> |
| 14 | |
| 15 | namespace android { |
| 16 | |
The Android Open Source Project | b2a3dd8 | 2009-03-09 11:52:12 -0700 | [diff] [blame] | 17 | class EmojiFactoryCaller { |
| 18 | public: |
Daisuke Miyakawa | 63507ba | 2009-05-26 14:46:35 +0900 | [diff] [blame] | 19 | EmojiFactoryCaller() {} |
The Android Open Source Project | b2a3dd8 | 2009-03-09 11:52:12 -0700 | [diff] [blame] | 20 | virtual ~EmojiFactoryCaller(); |
Daisuke Miyakawa | 63507ba | 2009-05-26 14:46:35 +0900 | [diff] [blame] | 21 | bool Init(); |
The Android Open Source Project | b2a3dd8 | 2009-03-09 11:52:12 -0700 | [diff] [blame] | 22 | EmojiFactory *TryCallGetImplementation(const char* name); |
| 23 | EmojiFactory *TryCallGetAvailableImplementation(); |
| 24 | private: |
| 25 | void *m_handle; |
| 26 | EmojiFactory *(*m_get_implementation)(const char*); |
| 27 | EmojiFactory *(*m_get_available_implementation)(); |
| 28 | }; |
| 29 | |
Daisuke Miyakawa | 63507ba | 2009-05-26 14:46:35 +0900 | [diff] [blame] | 30 | bool EmojiFactoryCaller::Init() { |
| 31 | const char* error_msg; |
The Android Open Source Project | b2a3dd8 | 2009-03-09 11:52:12 -0700 | [diff] [blame] | 32 | m_handle = dlopen("libemoji.so", RTLD_LAZY | RTLD_LOCAL); |
Daisuke Miyakawa | 63507ba | 2009-05-26 14:46:35 +0900 | [diff] [blame] | 33 | |
| 34 | if (m_handle == NULL) { |
| 35 | error_msg = "Failed to load libemoji.so"; |
| 36 | goto FAIL; |
The Android Open Source Project | b2a3dd8 | 2009-03-09 11:52:12 -0700 | [diff] [blame] | 37 | } |
| 38 | |
| 39 | m_get_implementation = |
| 40 | reinterpret_cast<EmojiFactory *(*)(const char*)>( |
| 41 | dlsym(m_handle, "GetImplementation")); |
Daisuke Miyakawa | 63507ba | 2009-05-26 14:46:35 +0900 | [diff] [blame] | 42 | if (m_get_implementation == NULL) { |
| 43 | error_msg = "Failed to get symbol of GetImplementation"; |
| 44 | goto FAIL; |
The Android Open Source Project | b2a3dd8 | 2009-03-09 11:52:12 -0700 | [diff] [blame] | 45 | } |
| 46 | |
| 47 | m_get_available_implementation = |
| 48 | reinterpret_cast<EmojiFactory *(*)()>( |
| 49 | dlsym(m_handle,"GetAvailableImplementation")); |
Daisuke Miyakawa | 63507ba | 2009-05-26 14:46:35 +0900 | [diff] [blame] | 50 | if (m_get_available_implementation == NULL) { |
| 51 | error_msg = "Failed to get symbol of GetAvailableImplementation"; |
| 52 | goto FAIL; |
| 53 | } |
| 54 | |
| 55 | return true; |
| 56 | |
| 57 | FAIL: |
| 58 | const char* error_str = dlerror(); |
| 59 | if (error_str == NULL) { |
| 60 | error_str = "unknown reason"; |
| 61 | } |
| 62 | |
| 63 | LOGE("%s: %s", error_msg, error_str); |
| 64 | if (m_handle != NULL) { |
The Android Open Source Project | b2a3dd8 | 2009-03-09 11:52:12 -0700 | [diff] [blame] | 65 | dlclose(m_handle); |
| 66 | m_handle = NULL; |
The Android Open Source Project | b2a3dd8 | 2009-03-09 11:52:12 -0700 | [diff] [blame] | 67 | } |
Daisuke Miyakawa | 63507ba | 2009-05-26 14:46:35 +0900 | [diff] [blame] | 68 | return false; |
The Android Open Source Project | b2a3dd8 | 2009-03-09 11:52:12 -0700 | [diff] [blame] | 69 | } |
| 70 | |
| 71 | EmojiFactoryCaller::~EmojiFactoryCaller() { |
| 72 | if (m_handle) { |
| 73 | dlclose(m_handle); |
| 74 | } |
| 75 | } |
| 76 | |
| 77 | EmojiFactory *EmojiFactoryCaller::TryCallGetImplementation( |
| 78 | const char* name) { |
| 79 | if (NULL == m_handle) { |
| 80 | return NULL; |
| 81 | } |
| 82 | return m_get_implementation(name); |
| 83 | } |
| 84 | |
| 85 | EmojiFactory *EmojiFactoryCaller::TryCallGetAvailableImplementation() { |
| 86 | if (NULL == m_handle) { |
| 87 | return NULL; |
| 88 | } |
| 89 | return m_get_available_implementation(); |
| 90 | } |
| 91 | |
Daisuke Miyakawa | 63507ba | 2009-05-26 14:46:35 +0900 | [diff] [blame] | 92 | static EmojiFactoryCaller* gCaller; |
| 93 | static pthread_once_t g_once = PTHREAD_ONCE_INIT; |
| 94 | static bool lib_emoji_factory_is_ready; |
The Android Open Source Project | b2a3dd8 | 2009-03-09 11:52:12 -0700 | [diff] [blame] | 95 | |
| 96 | static jclass gString_class; |
| 97 | |
| 98 | static jclass gBitmap_class; |
| 99 | static jmethodID gBitmap_constructorMethodID; |
| 100 | |
| 101 | static jclass gEmojiFactory_class; |
| 102 | static jmethodID gEmojiFactory_constructorMethodID; |
| 103 | |
Daisuke Miyakawa | 63507ba | 2009-05-26 14:46:35 +0900 | [diff] [blame] | 104 | static void InitializeCaller() { |
| 105 | gCaller = new EmojiFactoryCaller(); |
| 106 | lib_emoji_factory_is_ready = gCaller->Init(); |
| 107 | } |
The Android Open Source Project | b2a3dd8 | 2009-03-09 11:52:12 -0700 | [diff] [blame] | 108 | |
| 109 | static jobject create_java_EmojiFactory( |
| 110 | JNIEnv* env, EmojiFactory* factory, jstring name) { |
| 111 | jobject obj = env->AllocObject(gEmojiFactory_class); |
| 112 | if (obj) { |
| 113 | env->CallVoidMethod(obj, gEmojiFactory_constructorMethodID, |
| 114 | (jint)factory, name); |
| 115 | if (env->ExceptionCheck() != 0) { |
| 116 | LOGE("*** Uncaught exception returned from Java call!\n"); |
| 117 | env->ExceptionDescribe(); |
| 118 | obj = NULL; |
| 119 | } |
| 120 | } |
| 121 | return obj; |
| 122 | } |
| 123 | |
| 124 | static jobject android_emoji_EmojiFactory_newInstance( |
| 125 | JNIEnv* env, jobject clazz, jstring name) { |
The Android Open Source Project | b2a3dd8 | 2009-03-09 11:52:12 -0700 | [diff] [blame] | 126 | if (NULL == name) { |
| 127 | return NULL; |
| 128 | } |
Daisuke Miyakawa | 63507ba | 2009-05-26 14:46:35 +0900 | [diff] [blame] | 129 | pthread_once(&g_once, InitializeCaller); |
| 130 | if (!lib_emoji_factory_is_ready) { |
| 131 | return NULL; |
| 132 | } |
The Android Open Source Project | b2a3dd8 | 2009-03-09 11:52:12 -0700 | [diff] [blame] | 133 | |
| 134 | const jchar* jchars = env->GetStringChars(name, NULL); |
| 135 | jsize len = env->GetStringLength(name); |
| 136 | String8 str(String16(jchars, len)); |
| 137 | |
Daisuke Miyakawa | 63507ba | 2009-05-26 14:46:35 +0900 | [diff] [blame] | 138 | EmojiFactory *factory = gCaller->TryCallGetImplementation(str.string()); |
| 139 | // EmojiFactory *factory = EmojiFactory::GetImplementation(str.string()); |
| 140 | if (NULL == factory) { |
| 141 | return NULL; |
| 142 | } |
The Android Open Source Project | b2a3dd8 | 2009-03-09 11:52:12 -0700 | [diff] [blame] | 143 | env->ReleaseStringChars(name, jchars); |
| 144 | |
| 145 | return create_java_EmojiFactory(env, factory, name); |
| 146 | } |
| 147 | |
| 148 | static jobject android_emoji_EmojiFactory_newAvailableInstance( |
| 149 | JNIEnv* env, jobject clazz) { |
Daisuke Miyakawa | 63507ba | 2009-05-26 14:46:35 +0900 | [diff] [blame] | 150 | pthread_once(&g_once, InitializeCaller); |
| 151 | if (!lib_emoji_factory_is_ready) { |
| 152 | return NULL; |
| 153 | } |
The Android Open Source Project | b2a3dd8 | 2009-03-09 11:52:12 -0700 | [diff] [blame] | 154 | |
Daisuke Miyakawa | 63507ba | 2009-05-26 14:46:35 +0900 | [diff] [blame] | 155 | EmojiFactory *factory = gCaller->TryCallGetAvailableImplementation(); |
| 156 | // EmojiFactory *factory = EmojiFactory::GetAvailableImplementation(); |
The Android Open Source Project | b2a3dd8 | 2009-03-09 11:52:12 -0700 | [diff] [blame] | 157 | if (NULL == factory) { |
| 158 | return NULL; |
| 159 | } |
| 160 | String16 name_16(String8(factory->Name())); |
| 161 | jstring jname = env->NewString(name_16.string(), name_16.size()); |
| 162 | if (NULL == jname) { |
| 163 | return NULL; |
| 164 | } |
| 165 | |
| 166 | return create_java_EmojiFactory(env, factory, jname); |
| 167 | } |
| 168 | |
| 169 | static jobject android_emoji_EmojiFactory_getBitmapFromAndroidPua( |
| 170 | JNIEnv* env, jobject clazz, jint nativeEmojiFactory, jint pua) { |
| 171 | EmojiFactory *factory = reinterpret_cast<EmojiFactory *>(nativeEmojiFactory); |
| 172 | |
| 173 | int size; |
| 174 | const char *bytes = factory->GetImageBinaryFromAndroidPua(pua, &size); |
| 175 | if (bytes == NULL) { |
| 176 | return NULL; |
| 177 | } |
| 178 | |
| 179 | SkBitmap *bitmap = new SkBitmap; |
| 180 | if (!SkImageDecoder::DecodeMemory(bytes, size, bitmap)) { |
| 181 | LOGE("SkImageDecoder::DecodeMemory() failed."); |
| 182 | return NULL; |
| 183 | } |
| 184 | |
| 185 | jobject obj = env->AllocObject(gBitmap_class); |
| 186 | if (obj) { |
| 187 | env->CallVoidMethod(obj, gBitmap_constructorMethodID, |
Dianne Hackborn | de0dfb7 | 2009-09-23 14:09:34 -0700 | [diff] [blame] | 188 | reinterpret_cast<jint>(bitmap), false, NULL, -1); |
The Android Open Source Project | b2a3dd8 | 2009-03-09 11:52:12 -0700 | [diff] [blame] | 189 | if (env->ExceptionCheck() != 0) { |
| 190 | LOGE("*** Uncaught exception returned from Java call!\n"); |
| 191 | env->ExceptionDescribe(); |
| 192 | return NULL; |
| 193 | } |
| 194 | } |
| 195 | |
| 196 | return obj; |
| 197 | } |
| 198 | |
| 199 | static void android_emoji_EmojiFactory_destructor( |
| 200 | JNIEnv* env, jobject obj, jint nativeEmojiFactory) { |
Daisuke Miyakawa | c81c439 | 2009-09-01 08:32:24 +0900 | [diff] [blame] | 201 | /* |
| 202 | // Must not delete this object!! |
The Android Open Source Project | b2a3dd8 | 2009-03-09 11:52:12 -0700 | [diff] [blame] | 203 | EmojiFactory *factory = reinterpret_cast<EmojiFactory *>(nativeEmojiFactory); |
| 204 | delete factory; |
Daisuke Miyakawa | c81c439 | 2009-09-01 08:32:24 +0900 | [diff] [blame] | 205 | */ |
The Android Open Source Project | b2a3dd8 | 2009-03-09 11:52:12 -0700 | [diff] [blame] | 206 | } |
| 207 | |
| 208 | static jint android_emoji_EmojiFactory_getAndroidPuaFromVendorSpecificSjis( |
| 209 | JNIEnv* env, jobject obj, jint nativeEmojiFactory, jchar sjis) { |
| 210 | EmojiFactory *factory = reinterpret_cast<EmojiFactory *>(nativeEmojiFactory); |
| 211 | return factory->GetAndroidPuaFromVendorSpecificSjis(sjis); |
| 212 | } |
| 213 | |
| 214 | static jint android_emoji_EmojiFactory_getVendorSpecificSjisFromAndroidPua( |
| 215 | JNIEnv* env, jobject obj, jint nativeEmojiFactory, jint pua) { |
| 216 | EmojiFactory *factory = reinterpret_cast<EmojiFactory *>(nativeEmojiFactory); |
| 217 | return factory->GetVendorSpecificSjisFromAndroidPua(pua); |
| 218 | } |
| 219 | |
| 220 | static jint android_emoji_EmojiFactory_getAndroidPuaFromVendorSpecificPua( |
| 221 | JNIEnv* env, jobject obj, jint nativeEmojiFactory, jint vsu) { |
| 222 | EmojiFactory *factory = reinterpret_cast<EmojiFactory *>(nativeEmojiFactory); |
| 223 | return factory->GetAndroidPuaFromVendorSpecificPua(vsu); |
| 224 | } |
| 225 | |
| 226 | static jint android_emoji_EmojiFactory_getVendorSpecificPuaFromAndroidPua( |
| 227 | JNIEnv* env, jobject obj, jint nativeEmojiFactory, jint pua) { |
| 228 | EmojiFactory *factory = reinterpret_cast<EmojiFactory *>(nativeEmojiFactory); |
| 229 | return factory->GetVendorSpecificPuaFromAndroidPua(pua); |
| 230 | } |
| 231 | |
| 232 | static jint android_emoji_EmojiFactory_getMaximumVendorSpecificPua( |
| 233 | JNIEnv* env, jobject obj, jint nativeEmojiFactory) { |
| 234 | EmojiFactory *factory = reinterpret_cast<EmojiFactory *>(nativeEmojiFactory); |
| 235 | return factory->GetMaximumVendorSpecificPua(); |
| 236 | } |
| 237 | |
| 238 | static jint android_emoji_EmojiFactory_getMinimumVendorSpecificPua( |
| 239 | JNIEnv* env, jobject obj, jint nativeEmojiFactory) { |
| 240 | EmojiFactory *factory = reinterpret_cast<EmojiFactory *>(nativeEmojiFactory); |
| 241 | return factory->GetMinimumVendorSpecificPua(); |
| 242 | } |
| 243 | |
| 244 | static jint android_emoji_EmojiFactory_getMaximumAndroidPua( |
| 245 | JNIEnv* env, jobject obj, jint nativeEmojiFactory) { |
| 246 | EmojiFactory *factory = reinterpret_cast<EmojiFactory *>(nativeEmojiFactory); |
| 247 | return factory->GetMaximumAndroidPua(); |
| 248 | } |
| 249 | |
| 250 | static jint android_emoji_EmojiFactory_getMinimumAndroidPua( |
| 251 | JNIEnv* env, jobject obj, jint nativeEmojiFactory) { |
| 252 | EmojiFactory *factory = reinterpret_cast<EmojiFactory *>(nativeEmojiFactory); |
| 253 | return factory->GetMinimumAndroidPua(); |
| 254 | } |
| 255 | |
| 256 | static JNINativeMethod gMethods[] = { |
| 257 | { "newInstance", "(Ljava/lang/String;)Landroid/emoji/EmojiFactory;", |
| 258 | (void*)android_emoji_EmojiFactory_newInstance}, |
| 259 | { "newAvailableInstance", "()Landroid/emoji/EmojiFactory;", |
| 260 | (void*)android_emoji_EmojiFactory_newAvailableInstance}, |
| 261 | { "nativeDestructor", "(I)V", |
| 262 | (void*)android_emoji_EmojiFactory_destructor}, |
| 263 | { "nativeGetBitmapFromAndroidPua", "(II)Landroid/graphics/Bitmap;", |
| 264 | (void*)android_emoji_EmojiFactory_getBitmapFromAndroidPua}, |
| 265 | { "nativeGetAndroidPuaFromVendorSpecificSjis", "(IC)I", |
| 266 | (void*)android_emoji_EmojiFactory_getAndroidPuaFromVendorSpecificSjis}, |
| 267 | { "nativeGetVendorSpecificSjisFromAndroidPua", "(II)I", |
| 268 | (void*)android_emoji_EmojiFactory_getVendorSpecificSjisFromAndroidPua}, |
| 269 | { "nativeGetAndroidPuaFromVendorSpecificPua", "(II)I", |
| 270 | (void*)android_emoji_EmojiFactory_getAndroidPuaFromVendorSpecificPua}, |
| 271 | { "nativeGetVendorSpecificPuaFromAndroidPua", "(II)I", |
| 272 | (void*)android_emoji_EmojiFactory_getVendorSpecificPuaFromAndroidPua}, |
| 273 | { "nativeGetMaximumVendorSpecificPua", "(I)I", |
| 274 | (void*)android_emoji_EmojiFactory_getMaximumVendorSpecificPua}, |
| 275 | { "nativeGetMinimumVendorSpecificPua", "(I)I", |
| 276 | (void*)android_emoji_EmojiFactory_getMinimumVendorSpecificPua}, |
| 277 | { "nativeGetMaximumAndroidPua", "(I)I", |
| 278 | (void*)android_emoji_EmojiFactory_getMaximumAndroidPua}, |
| 279 | { "nativeGetMinimumAndroidPua", "(I)I", |
| 280 | (void*)android_emoji_EmojiFactory_getMinimumAndroidPua} |
| 281 | }; |
| 282 | |
| 283 | static jclass make_globalref(JNIEnv* env, const char classname[]) |
| 284 | { |
| 285 | jclass c = env->FindClass(classname); |
| 286 | SkASSERT(c); |
| 287 | return (jclass)env->NewGlobalRef(c); |
| 288 | } |
| 289 | |
| 290 | static jfieldID getFieldIDCheck(JNIEnv* env, jclass clazz, |
| 291 | const char fieldname[], const char type[]) |
| 292 | { |
| 293 | jfieldID id = env->GetFieldID(clazz, fieldname, type); |
| 294 | SkASSERT(id); |
| 295 | return id; |
| 296 | } |
| 297 | |
| 298 | int register_android_emoji_EmojiFactory(JNIEnv* env) { |
| 299 | gBitmap_class = make_globalref(env, "android/graphics/Bitmap"); |
| 300 | gBitmap_constructorMethodID = env->GetMethodID(gBitmap_class, "<init>", |
Dianne Hackborn | de0dfb7 | 2009-09-23 14:09:34 -0700 | [diff] [blame] | 301 | "(IZ[BI)V"); |
The Android Open Source Project | b2a3dd8 | 2009-03-09 11:52:12 -0700 | [diff] [blame] | 302 | gEmojiFactory_class = make_globalref(env, "android/emoji/EmojiFactory"); |
| 303 | gEmojiFactory_constructorMethodID = env->GetMethodID( |
| 304 | gEmojiFactory_class, "<init>", "(ILjava/lang/String;)V"); |
| 305 | return jniRegisterNativeMethods(env, "android/emoji/EmojiFactory", |
| 306 | gMethods, NELEM(gMethods)); |
| 307 | } |
| 308 | |
| 309 | } // namespace android |