2 * Copyright (C) 2011 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 #define LOG_TAG "InputWindowHandle"
21 #include <android_runtime/AndroidRuntime.h>
22 #include <utils/threads.h>
24 #include <android_view_InputChannel.h>
25 #include <android/graphics/Region.h>
27 #include "com_android_server_input_InputWindowHandle.h"
28 #include "com_android_server_input_InputApplicationHandle.h"
34 jfieldID inputApplicationHandle;
35 jfieldID inputChannel;
37 jfieldID layoutParamsFlags;
38 jfieldID layoutParamsType;
39 jfieldID dispatchingTimeoutNanos;
45 jfieldID touchableRegion;
47 jfieldID canReceiveKeys;
49 jfieldID hasWallpaper;
54 jfieldID inputFeatures;
56 } gInputWindowHandleClassInfo;
58 static Mutex gHandleMutex;
61 // --- NativeInputWindowHandle ---
63 NativeInputWindowHandle::NativeInputWindowHandle(
64 const sp<InputApplicationHandle>& inputApplicationHandle, jweak objWeak) :
65 InputWindowHandle(inputApplicationHandle),
69 NativeInputWindowHandle::~NativeInputWindowHandle() {
70 JNIEnv* env = AndroidRuntime::getJNIEnv();
71 env->DeleteWeakGlobalRef(mObjWeak);
74 jobject NativeInputWindowHandle::getInputWindowHandleObjLocalRef(JNIEnv* env) {
75 return env->NewLocalRef(mObjWeak);
78 bool NativeInputWindowHandle::updateInfo() {
79 JNIEnv* env = AndroidRuntime::getJNIEnv();
80 jobject obj = env->NewLocalRef(mObjWeak);
87 mInfo = new InputWindowInfo();
90 jobject inputChannelObj = env->GetObjectField(obj,
91 gInputWindowHandleClassInfo.inputChannel);
92 if (inputChannelObj) {
93 mInfo->inputChannel = android_view_InputChannel_getInputChannel(env, inputChannelObj);
94 env->DeleteLocalRef(inputChannelObj);
96 mInfo->inputChannel.clear();
99 jstring nameObj = jstring(env->GetObjectField(obj,
100 gInputWindowHandleClassInfo.name));
102 const char* nameStr = env->GetStringUTFChars(nameObj, NULL);
103 mInfo->name.setTo(nameStr);
104 env->ReleaseStringUTFChars(nameObj, nameStr);
105 env->DeleteLocalRef(nameObj);
107 mInfo->name.setTo("<null>");
110 mInfo->layoutParamsFlags = env->GetIntField(obj,
111 gInputWindowHandleClassInfo.layoutParamsFlags);
112 mInfo->layoutParamsType = env->GetIntField(obj,
113 gInputWindowHandleClassInfo.layoutParamsType);
114 mInfo->dispatchingTimeout = env->GetLongField(obj,
115 gInputWindowHandleClassInfo.dispatchingTimeoutNanos);
116 mInfo->frameLeft = env->GetIntField(obj,
117 gInputWindowHandleClassInfo.frameLeft);
118 mInfo->frameTop = env->GetIntField(obj,
119 gInputWindowHandleClassInfo.frameTop);
120 mInfo->frameRight = env->GetIntField(obj,
121 gInputWindowHandleClassInfo.frameRight);
122 mInfo->frameBottom = env->GetIntField(obj,
123 gInputWindowHandleClassInfo.frameBottom);
124 mInfo->scaleFactor = env->GetFloatField(obj,
125 gInputWindowHandleClassInfo.scaleFactor);
127 jobject regionObj = env->GetObjectField(obj,
128 gInputWindowHandleClassInfo.touchableRegion);
130 SkRegion* region = android_graphics_Region_getSkRegion(env, regionObj);
131 mInfo->touchableRegion.set(*region);
132 env->DeleteLocalRef(regionObj);
134 mInfo->touchableRegion.setEmpty();
137 mInfo->visible = env->GetBooleanField(obj,
138 gInputWindowHandleClassInfo.visible);
139 mInfo->canReceiveKeys = env->GetBooleanField(obj,
140 gInputWindowHandleClassInfo.canReceiveKeys);
141 mInfo->hasFocus = env->GetBooleanField(obj,
142 gInputWindowHandleClassInfo.hasFocus);
143 mInfo->hasWallpaper = env->GetBooleanField(obj,
144 gInputWindowHandleClassInfo.hasWallpaper);
145 mInfo->paused = env->GetBooleanField(obj,
146 gInputWindowHandleClassInfo.paused);
147 mInfo->layer = env->GetIntField(obj,
148 gInputWindowHandleClassInfo.layer);
149 mInfo->ownerPid = env->GetIntField(obj,
150 gInputWindowHandleClassInfo.ownerPid);
151 mInfo->ownerUid = env->GetIntField(obj,
152 gInputWindowHandleClassInfo.ownerUid);
153 mInfo->inputFeatures = env->GetIntField(obj,
154 gInputWindowHandleClassInfo.inputFeatures);
155 mInfo->displayId = env->GetIntField(obj,
156 gInputWindowHandleClassInfo.displayId);
158 env->DeleteLocalRef(obj);
163 // --- Global functions ---
165 sp<NativeInputWindowHandle> android_server_InputWindowHandle_getHandle(
166 JNIEnv* env, jobject inputWindowHandleObj) {
167 if (!inputWindowHandleObj) {
171 AutoMutex _l(gHandleMutex);
173 int ptr = env->GetIntField(inputWindowHandleObj, gInputWindowHandleClassInfo.ptr);
174 NativeInputWindowHandle* handle;
176 handle = reinterpret_cast<NativeInputWindowHandle*>(ptr);
178 jobject inputApplicationHandleObj = env->GetObjectField(inputWindowHandleObj,
179 gInputWindowHandleClassInfo.inputApplicationHandle);
180 sp<InputApplicationHandle> inputApplicationHandle =
181 android_server_InputApplicationHandle_getHandle(env, inputApplicationHandleObj);
182 env->DeleteLocalRef(inputApplicationHandleObj);
184 jweak objWeak = env->NewWeakGlobalRef(inputWindowHandleObj);
185 handle = new NativeInputWindowHandle(inputApplicationHandle, objWeak);
186 handle->incStrong(inputWindowHandleObj);
187 env->SetIntField(inputWindowHandleObj, gInputWindowHandleClassInfo.ptr,
188 reinterpret_cast<int>(handle));
196 static void android_server_InputWindowHandle_nativeDispose(JNIEnv* env, jobject obj) {
197 AutoMutex _l(gHandleMutex);
199 int ptr = env->GetIntField(obj, gInputWindowHandleClassInfo.ptr);
201 env->SetIntField(obj, gInputWindowHandleClassInfo.ptr, 0);
203 NativeInputWindowHandle* handle = reinterpret_cast<NativeInputWindowHandle*>(ptr);
204 handle->decStrong(obj);
209 static JNINativeMethod gInputWindowHandleMethods[] = {
210 /* name, signature, funcPtr */
211 { "nativeDispose", "()V",
212 (void*) android_server_InputWindowHandle_nativeDispose },
215 #define FIND_CLASS(var, className) \
216 var = env->FindClass(className); \
217 LOG_FATAL_IF(! var, "Unable to find class " className);
219 #define GET_FIELD_ID(var, clazz, fieldName, fieldDescriptor) \
220 var = env->GetFieldID(clazz, fieldName, fieldDescriptor); \
221 LOG_FATAL_IF(! var, "Unable to find field " fieldName);
223 int register_android_server_InputWindowHandle(JNIEnv* env) {
224 int res = jniRegisterNativeMethods(env, "com/android/server/input/InputWindowHandle",
225 gInputWindowHandleMethods, NELEM(gInputWindowHandleMethods));
226 LOG_FATAL_IF(res < 0, "Unable to register native methods.");
229 FIND_CLASS(clazz, "com/android/server/input/InputWindowHandle");
231 GET_FIELD_ID(gInputWindowHandleClassInfo.ptr, clazz,
234 GET_FIELD_ID(gInputWindowHandleClassInfo.inputApplicationHandle,
236 "inputApplicationHandle", "Lcom/android/server/input/InputApplicationHandle;");
238 GET_FIELD_ID(gInputWindowHandleClassInfo.inputChannel, clazz,
239 "inputChannel", "Landroid/view/InputChannel;");
241 GET_FIELD_ID(gInputWindowHandleClassInfo.name, clazz,
242 "name", "Ljava/lang/String;");
244 GET_FIELD_ID(gInputWindowHandleClassInfo.layoutParamsFlags, clazz,
245 "layoutParamsFlags", "I");
247 GET_FIELD_ID(gInputWindowHandleClassInfo.layoutParamsType, clazz,
248 "layoutParamsType", "I");
250 GET_FIELD_ID(gInputWindowHandleClassInfo.dispatchingTimeoutNanos, clazz,
251 "dispatchingTimeoutNanos", "J");
253 GET_FIELD_ID(gInputWindowHandleClassInfo.frameLeft, clazz,
256 GET_FIELD_ID(gInputWindowHandleClassInfo.frameTop, clazz,
259 GET_FIELD_ID(gInputWindowHandleClassInfo.frameRight, clazz,
262 GET_FIELD_ID(gInputWindowHandleClassInfo.frameBottom, clazz,
265 GET_FIELD_ID(gInputWindowHandleClassInfo.scaleFactor, clazz,
268 GET_FIELD_ID(gInputWindowHandleClassInfo.touchableRegion, clazz,
269 "touchableRegion", "Landroid/graphics/Region;");
271 GET_FIELD_ID(gInputWindowHandleClassInfo.visible, clazz,
274 GET_FIELD_ID(gInputWindowHandleClassInfo.canReceiveKeys, clazz,
275 "canReceiveKeys", "Z");
277 GET_FIELD_ID(gInputWindowHandleClassInfo.hasFocus, clazz,
280 GET_FIELD_ID(gInputWindowHandleClassInfo.hasWallpaper, clazz,
281 "hasWallpaper", "Z");
283 GET_FIELD_ID(gInputWindowHandleClassInfo.paused, clazz,
286 GET_FIELD_ID(gInputWindowHandleClassInfo.layer, clazz,
289 GET_FIELD_ID(gInputWindowHandleClassInfo.ownerPid, clazz,
292 GET_FIELD_ID(gInputWindowHandleClassInfo.ownerUid, clazz,
295 GET_FIELD_ID(gInputWindowHandleClassInfo.inputFeatures, clazz,
296 "inputFeatures", "I");
298 GET_FIELD_ID(gInputWindowHandleClassInfo.displayId, clazz,
303 } /* namespace android */