2 * Copyright 2006, The Android Open Source Project
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
8 * http://www.apache.org/licenses/LICENSE-2.0
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.
17 #include <ui/KeyCharacterMap.h>
19 #include <nativehelper/jni.h>
20 #include <android_runtime/AndroidRuntime.h>
21 #include <nativehelper/JNIHelp.h>
26 ctor(JNIEnv *env, jobject clazz, jint id)
28 return reinterpret_cast<int>(KeyCharacterMap::load(id));
32 dtor(JNIEnv *env, jobject clazz, jint ptr)
34 delete reinterpret_cast<KeyCharacterMap*>(ptr);
38 get(JNIEnv *env, jobject clazz, jint ptr, jint keycode, jint meta)
40 return reinterpret_cast<KeyCharacterMap*>(ptr)->get(keycode, meta);
44 getNumber(JNIEnv *env, jobject clazz, jint ptr, jint keycode)
46 return reinterpret_cast<KeyCharacterMap*>(ptr)->getNumber(keycode);
50 getMatch(JNIEnv *env, jobject clazz, jint ptr, jint keycode, jcharArray chars, jint modifiers)
53 jchar* ch = env->GetCharArrayElements(chars, NULL);
54 jsize chsize = env->GetArrayLength(chars);
56 rv = reinterpret_cast<KeyCharacterMap*>(ptr)->getMatch(keycode, ch, chsize, modifiers);
58 env->ReleaseCharArrayElements(chars, ch, JNI_ABORT);
63 getDisplayLabel(JNIEnv *env, jobject clazz, jint ptr, jint keycode)
65 return reinterpret_cast<KeyCharacterMap*>(ptr)->getDisplayLabel(keycode);
68 static jfieldID gKeyDataMetaField;
69 static jfieldID gKeyDataNumberField;
70 static jfieldID gKeyDataDisplayLabelField;
73 getKeyData(JNIEnv *env, jobject clazz, jint ptr, jint keycode, jobject keydata)
77 unsigned short displayLabel = env->GetCharField(keydata, gKeyDataDisplayLabelField);
78 unsigned short number = env->GetCharField(keydata, gKeyDataNumberField);
80 jcharArray chars = (jcharArray) env->GetObjectField(keydata, gKeyDataMetaField);
81 jchar* ch = env->GetCharArrayElements(chars, NULL);
83 KeyCharacterMap* kmap = reinterpret_cast<KeyCharacterMap*>(ptr);
84 rv = kmap->getKeyData(keycode, &displayLabel, &number, ch);
86 env->SetCharField(keydata, gKeyDataDisplayLabelField, displayLabel);
87 env->SetCharField(keydata, gKeyDataNumberField, number);
89 env->ReleaseCharArrayElements(chars, ch, 0);
94 getKeyboardType(JNIEnv *env, jobject clazz, jint ptr)
96 return reinterpret_cast<KeyCharacterMap*>(ptr)->getKeyboardType();
100 getEvents(JNIEnv *env, jobject clazz, jint ptr, jcharArray jchars)
102 KeyCharacterMap* kmap = reinterpret_cast<KeyCharacterMap*>(ptr);
104 uint16_t* chars = env->GetCharArrayElements(jchars, NULL);
105 size_t len = env->GetArrayLength(jchars);
107 Vector<int32_t> keys;
108 Vector<uint32_t> modifiers;
109 bool success = kmap->getEvents(chars, len, &keys, &modifiers);
111 env->ReleaseCharArrayElements(jchars, chars, JNI_ABORT);
114 size_t N = keys.size();
116 jlongArray rv = env->NewLongArray(N);
117 uint64_t* results = (uint64_t*)env->GetLongArrayElements(rv, NULL);
119 for (size_t i=0; i<N; i++) {
120 uint64_t v = modifiers[i];
126 env->ReleaseLongArrayElements(rv, (jlong*)results, 0);
133 // ============================================================================
138 static JNINativeMethod g_methods[] = {
139 /* name, signature, funcPtr */
140 { "ctor_native", "(I)I", (void*)ctor },
141 { "dtor_native", "(I)V", (void*)dtor },
142 { "get_native", "(III)C", (void*)get },
143 { "getNumber_native", "(II)C", (void*)getNumber },
144 { "getMatch_native", "(II[CI)C", (void*)getMatch },
145 { "getDisplayLabel_native", "(II)C", (void*)getDisplayLabel },
146 { "getKeyData_native", "(IILandroid/view/KeyCharacterMap$KeyData;)Z",
148 { "getKeyboardType_native", "(I)I", (void*)getKeyboardType },
149 { "getEvents_native", "(I[C)[J", (void*)getEvents }
152 int register_android_text_KeyCharacterMap(JNIEnv* env)
156 clazz = env->FindClass("android/view/KeyCharacterMap$KeyData");
158 LOGE("Can't find android/view/KeyCharacterMap$KeyData");
162 gKeyDataMetaField = env->GetFieldID(clazz, "meta", "[C");
163 gKeyDataNumberField = env->GetFieldID(clazz, "number", "C");
164 gKeyDataDisplayLabelField = env->GetFieldID(clazz, "displayLabel", "C");
166 return AndroidRuntime::registerNativeMethods(env,
167 "android/view/KeyCharacterMap", g_methods, NELEM(g_methods));
170 }; // namespace android