1 /* 2 * Copyright (c) 2011, 2017, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. Oracle designates this 8 * particular file as subject to the "Classpath" exception as provided 9 * by Oracle in the LICENSE file that accompanied this code. 10 * 11 * This code is distributed in the hope that it will be useful, but WITHOUT 12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 14 * version 2 for more details (a copy is included in the LICENSE file that 15 * accompanied this code). 16 * 17 * You should have received a copy of the GNU General Public License version 18 * 2 along with this work; if not, write to the Free Software Foundation, 19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 20 * 21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 22 * or visit www.oracle.com if you need additional information or have any 23 * questions. 24 */ 25 26 #pragma once 27 28 #include <wtf/java/JavaRef.h> 29 30 #include <jni.h> 31 32 extern JavaVM* jvm; 33 34 ALWAYS_INLINE JNIEnv* JNICALL WebCore_GetJavaEnv() 35 { 36 void* env; 37 jvm->GetEnv(&env, JNI_VERSION_1_2); 38 return (JNIEnv*)env; 39 } 40 41 #define WC_GETJAVAENV_CHKRET(_env_var, ... /* ret val */) \ 42 JNIEnv* _env_var = WebCore_GetJavaEnv(); \ 43 if (!_env_var) return __VA_ARGS__; 44 45 extern bool CheckAndClearException(JNIEnv* env); 46 47 namespace WebCore { 48 49 jclass PG_GetFontClass(JNIEnv* env); 50 jclass PG_GetGlyphBufferClass(JNIEnv* env); 51 jclass PG_GetFontCustomPlatformDataClass(JNIEnv* env); 52 jclass PG_GetGraphicsImageDecoderClass(JNIEnv* env); 53 jclass PG_GetGraphicsContextClass(JNIEnv* env); 54 jclass PG_GetGraphicsManagerClass(JNIEnv* env); 55 jclass PG_GetImageClass(JNIEnv* env); 56 jclass PG_GetImageFrameClass(JNIEnv* env); 57 jclass PG_GetMediaPlayerClass(JNIEnv* env); 58 jclass PG_GetPathClass(JNIEnv* env); 59 jclass PG_GetPathIteratorClass(JNIEnv* env); 60 jclass PG_GetRectangleClass(JNIEnv* env); 61 jclass PG_GetRefClass(JNIEnv* env); 62 jclass PG_GetRenderQueueClass(JNIEnv* env); 63 jclass PG_GetTransformClass(JNIEnv* env); 64 jclass PG_GetWebPageClass(JNIEnv* env); 65 jclass PG_GetColorChooserClass(JNIEnv* env); 66 67 jclass getTimerClass(JNIEnv* env); 68 69 JLObject PL_GetLogger(JNIEnv* env, const char* name); 70 void PL_ResumeCount(JNIEnv* env, jobject perfLogger, const char* probe); 71 void PL_SuspendCount(JNIEnv* env, jobject perfLogger, const char* probe); 72 bool PL_IsEnabled(JNIEnv* env, jobject perfLogger); 73 74 JLObject PL_GetGraphicsManager(JNIEnv* env); 75 76 77 //Log wrapper 78 struct EntryJavaLogger 79 { 80 JNIEnv *m_env; 81 jobject m_perfLogger; 82 const char *m_probe; 83 84 EntryJavaLogger( 85 JNIEnv *env, 86 jobject global_perfLogger, 87 const char* probe 88 ) : m_env(env) 89 , m_perfLogger(global_perfLogger) 90 , m_probe(probe) 91 { 92 PL_ResumeCount(m_env, m_perfLogger, m_probe); 93 } 94 95 ~EntryJavaLogger() 96 { 97 PL_SuspendCount(m_env, m_perfLogger, m_probe); 98 } 99 }; 100 101 102 } // namespace WebCore 103 104 namespace WTF { 105 template<bool daemon> class AttachThreadToJavaEnv { 106 public: 107 AttachThreadToJavaEnv() 108 { 109 m_status = jvm->GetEnv((void **)&m_env, JNI_VERSION_1_2); 110 if (m_status == JNI_EDETACHED) { 111 if (daemon) { 112 jvm->AttachCurrentThreadAsDaemon((void **)&m_env, nullptr); 113 } else { 114 jvm->AttachCurrentThread((void **)&m_env, nullptr); 115 } 116 } 117 } 118 119 ~AttachThreadToJavaEnv() 120 { 121 if (m_status == JNI_EDETACHED) { 122 jvm->DetachCurrentThread(); 123 } 124 } 125 126 JNIEnv* env() { return m_env; } 127 private: 128 JNIEnv* m_env; 129 int m_status; 130 131 }; 132 133 using AttachThreadAsDaemonToJavaEnv = AttachThreadToJavaEnv<true>; 134 using AttachThreadAsNonDaemonToJavaEnv = AttachThreadToJavaEnv<false>; 135 } // namespace 136 137 //example: LOG_PERF_RECORD(env, "XXXX", "setUpIterator") 138 //the line 139 // com.sun.webkit.perf.XXXX.level = ALL 140 //have to be added into the file <wk_root>/WebKitBuild/<Debug|Release>/dist/logging.properties 141 #define LOG_PERF_RECORD(env, LOG_NAME, LOG_RECORD) \ 142 static JGObject __logger__(WebCore::PL_GetLogger(env, LOG_NAME)); \ 143 WebCore::EntryJavaLogger __el__(env, __logger__, LOG_RECORD); 144 145 #define jlong_to_ptr(a) ((void*)(uintptr_t)(a)) 146 #define ptr_to_jlong(a) ((jlong)(uintptr_t)(a)) 147 148 #define bool_to_jbool(a) ((a) ? JNI_TRUE : JNI_FALSE) 149 #define jbool_to_bool(a) (((a) == JNI_TRUE) ? true : false) 150 151 #define JINT_SZ sizeof(jint) 152 #define JFLOAT_SZ sizeof(jfloat) 153