diff options
Diffstat (limited to 'WebCore/platform/android/jni/JavaBridge.cpp')
| -rw-r--r-- | WebCore/platform/android/jni/JavaBridge.cpp | 332 |
1 files changed, 0 insertions, 332 deletions
diff --git a/WebCore/platform/android/jni/JavaBridge.cpp b/WebCore/platform/android/jni/JavaBridge.cpp deleted file mode 100644 index 27b2bb2..0000000 --- a/WebCore/platform/android/jni/JavaBridge.cpp +++ /dev/null @@ -1,332 +0,0 @@ -/* -** Copyright 2006-2008, The Android Open Source Project -** -** Licensed under the Apache License, Version 2.0 (the "License"); -** you may not use this file except in compliance with the License. -** You may obtain a copy of the License at -** -** http://www.apache.org/licenses/LICENSE-2.0 -** -** Unless required by applicable law or agreed to in writing, software -** distributed under the License is distributed on an "AS IS" BASIS, -** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. -** See the License for the specific language governing permissions and -** limitations under the License. -*/ - -#define LOG_TAG "webcoreglue" - -#include <config.h> -#include <wtf/Platform.h> - -#include "Cache.h" -#include "CookieClient.h" -#include "JavaSharedClient.h" -#include "KURL.h" -#include "Timer.h" -#include "TimerClient.h" - -#ifdef ANDROID_INSTRUMENT -#include "Frame.h" -#include "SystemTime.h" -#endif - -#undef LOG -#include <jni.h> -#include <JNIHelp.h> -#include <SkImageRef_GlobalPool.h> -#include <SkUtils.h> -#include <utils/Log.h> -#include <utils/misc.h> - -// maximum bytes used to cache decoded images -// (not including big images using ashmem) -#define IMAGE_POOL_BUDGET (512 * 1024) - -#ifdef ANDROID_INSTRUMENT -static uint32_t sTotalTimeUsed = 0; - -namespace WebCore { -void Frame::resetSharedTimerTimeCounter() -{ - sTotalTimeUsed = 0; -} - -void Frame::reportSharedTimerTimeCounter() -{ - LOG(LOG_DEBUG, "WebCore", "*-* Total native 2 (shared timer) time: %d ms\n", - sTotalTimeUsed); -} -} -#endif - -namespace android { - -// ---------------------------------------------------------------------------- - -static jfieldID gJavaBridge_ObjectID; - -static bool checkException(JNIEnv* env) -{ - if (env->ExceptionCheck() != 0) - { - LOGE("*** Uncaught exception returned from Java call!\n"); - env->ExceptionDescribe(); - return true; - } - return false; -} - -// ---------------------------------------------------------------------------- - -extern JavaVM* jnienv_to_javavm(JNIEnv* env); -extern JNIEnv* javavm_to_jnienv(JavaVM* vm); - -// ---------------------------------------------------------------------------- - -class JavaBridge : public WebCore::TimerClient, public WebCore::CookieClient -{ -public: - JavaBridge(JNIEnv* env, jobject obj); - virtual ~JavaBridge(); - - /* - * WebCore -> Java API - */ - virtual void setSharedTimer(long long timemillis); - virtual void stopSharedTimer(); - - virtual void setCookies(WebCore::KURL const& url, WebCore::KURL const& docURL, WebCore::String const& value); - virtual WebCore::String cookies(WebCore::KURL const& url); - virtual bool cookiesEnabled(); - - //////////////////////////////////////////// - - virtual void setSharedTimerCallback(void (*f)()); - - //////////////////////////////////////////// - - void signalServiceFuncPtrQueue(); - - // jni functions - static void Constructor(JNIEnv* env, jobject obj); - static void Finalize(JNIEnv* env, jobject obj); - static void SharedTimerFired(JNIEnv* env, jobject); - static void SetCacheSize(JNIEnv* env, jobject obj, jint bytes); - static void SetDeferringTimers(JNIEnv* env, jobject obj, jboolean defer); - static void ServiceFuncPtrQueue(JNIEnv*); - -private: - JavaVM* mJvm; - jobject mJavaObject; - jmethodID mSetSharedTimer; - jmethodID mStopSharedTimer; - jmethodID mSetCookies; - jmethodID mCookies; - jmethodID mCookiesEnabled; - jmethodID mSignalFuncPtrQueue; -}; - -static void (*sSharedTimerFiredCallback)(); -static JavaBridge* gJavaBridge; - -JavaBridge::JavaBridge(JNIEnv* env, jobject obj) -{ - mJvm = jnienv_to_javavm(env); - mJavaObject = env->NewGlobalRef(obj); - jclass clazz = env->GetObjectClass(obj); - - mSetSharedTimer = env->GetMethodID(clazz, "setSharedTimer", "(J)V"); - mStopSharedTimer = env->GetMethodID(clazz, "stopSharedTimer", "()V"); - mSetCookies = env->GetMethodID(clazz, "setCookies", "(Ljava/lang/String;Ljava/lang/String;Ljava/lang/String;)V"); - mCookies = env->GetMethodID(clazz, "cookies", "(Ljava/lang/String;)Ljava/lang/String;"); - mCookiesEnabled = env->GetMethodID(clazz, "cookiesEnabled", "()Z"); - mSignalFuncPtrQueue = env->GetMethodID(clazz, "signalServiceFuncPtrQueue", "()V"); - - LOG_ASSERT(mSetSharedTimer, "Could not find method setSharedTimer"); - LOG_ASSERT(mStopSharedTimer, "Could not find method stopSharedTimer"); - LOG_ASSERT(mSetCookies, "Could not find method setCookies"); - LOG_ASSERT(mCookies, "Could not find method cookies"); - LOG_ASSERT(mCookiesEnabled, "Could not find method cookiesEnabled"); - - WebCore::JavaSharedClient::SetTimerClient(this); - WebCore::JavaSharedClient::SetCookieClient(this); - gJavaBridge = this; -} - -JavaBridge::~JavaBridge() -{ - if (mJavaObject) { - JNIEnv* env = javavm_to_jnienv(mJvm); - env->DeleteGlobalRef(mJavaObject); - mJavaObject = 0; - } - - WebCore::JavaSharedClient::SetTimerClient(NULL); - WebCore::JavaSharedClient::SetCookieClient(NULL); -} - -void -JavaBridge::setSharedTimer(long long timemillis) -{ - JNIEnv* env = javavm_to_jnienv(mJvm); - env->CallVoidMethod(mJavaObject, mSetSharedTimer, timemillis); -} - -void -JavaBridge::stopSharedTimer() -{ - JNIEnv* env = javavm_to_jnienv(mJvm); - env->CallVoidMethod(mJavaObject, mStopSharedTimer); -} - -void -JavaBridge::setCookies(WebCore::KURL const& url, WebCore::KURL const& docUrl, WebCore::String const& value) -{ - JNIEnv* env = javavm_to_jnienv(mJvm); - const WebCore::DeprecatedString& urlStr = url.deprecatedString(); - jstring jUrlStr = env->NewString((unsigned short *)urlStr.unicode(), urlStr.length()); - const WebCore::DeprecatedString& docUrlStr = docUrl.deprecatedString(); - jstring jDocUrlStr = env->NewString((unsigned short *)docUrlStr.unicode(), docUrlStr.length()); - jstring jValueStr = env->NewString((unsigned short *)value.characters(), value.length()); - - env->CallVoidMethod(mJavaObject, mSetCookies, jUrlStr, jDocUrlStr, jValueStr); - env->DeleteLocalRef(jUrlStr); - env->DeleteLocalRef(jDocUrlStr); - env->DeleteLocalRef(jValueStr); -} - -WebCore::String -JavaBridge::cookies(WebCore::KURL const& url) -{ - JNIEnv* env = javavm_to_jnienv(mJvm); - const WebCore::DeprecatedString& urlStr = url.deprecatedString(); - jstring jUrlStr = env->NewString((unsigned short *)urlStr.unicode(), urlStr.length()); - - jstring string = (jstring)(env->CallObjectMethod(mJavaObject, mCookies, jUrlStr)); - - if (string == NULL || checkException(env)) - return WebCore::String(); - - const jchar* str = env->GetStringChars(string, NULL); - WebCore::String ret = WebCore::String((const UChar*)str, env->GetStringLength(string)); - env->ReleaseStringChars(string, str); - env->DeleteLocalRef(jUrlStr); - env->DeleteLocalRef(string); - return ret; -} - -bool -JavaBridge::cookiesEnabled() -{ - JNIEnv* env = javavm_to_jnienv(mJvm); - jboolean ret = env->CallBooleanMethod(mJavaObject, mCookiesEnabled); - return (ret != 0); -} - -void -JavaBridge::setSharedTimerCallback(void (*f)()) -{ - LOG_ASSERT(!sSharedTimerFiredCallback || sSharedTimerFiredCallback==f, - "Shared timer callback may already be set or null!"); - - sSharedTimerFiredCallback = f; -} - -void JavaBridge::signalServiceFuncPtrQueue() -{ - javavm_to_jnienv(mJvm)->CallVoidMethod(mJavaObject, mSignalFuncPtrQueue); -} - -// ---------------------------------------------------------------------------- - -// visible to Shared -void AndroidSignalServiceFuncPtrQueue() -{ - gJavaBridge->signalServiceFuncPtrQueue(); -} - -// ---------------------------------------------------------------------------- - -void JavaBridge::Constructor(JNIEnv* env, jobject obj) -{ - JavaBridge* javaBridge = new JavaBridge(env, obj); - env->SetIntField(obj, gJavaBridge_ObjectID, (jint)javaBridge); -} - -void JavaBridge::Finalize(JNIEnv* env, jobject obj) -{ - JavaBridge* javaBridge = (JavaBridge*) - (env->GetIntField(obj, gJavaBridge_ObjectID)); - LOG_ASSERT(javaBridge, "Finalize should not be called twice for the same java bridge!"); - LOGV("webcore_javabridge::nativeFinalize(%p)\n", javaBridge); - delete javaBridge; - env->SetIntField(obj, gJavaBridge_ObjectID, 0); -} - -// we don't use the java bridge object, as we're just looking at a global -void JavaBridge::SharedTimerFired(JNIEnv* env, jobject) -{ - if (sSharedTimerFiredCallback) - { -#ifdef ANDROID_INSTRUMENT - uint32_t startTime = WebCore::get_thread_msec(); -#endif - SkAutoMemoryUsageProbe mup("JavaBridge::sharedTimerFired"); - sSharedTimerFiredCallback(); -#ifdef ANDROID_INSTRUMENT - sTotalTimeUsed += WebCore::get_thread_msec() - startTime; -#endif - } -} - -void JavaBridge::SetCacheSize(JNIEnv* env, jobject obj, jint bytes) -{ - WebCore::cache()->setCapacities(0, bytes/2, bytes); - SkImageRef_GlobalPool::SetRAMBudget(IMAGE_POOL_BUDGET); - LOGV("--- set ImageRef budget %d\n", SkImageRef_GlobalPool::GetRAMBudget()); -} - -void JavaBridge::SetDeferringTimers(JNIEnv* env, jobject obj, jboolean defer) -{ - WebCore::setDeferringTimers(defer); -} - -void JavaBridge::ServiceFuncPtrQueue(JNIEnv*) -{ - WebCore::JavaSharedClient::ServiceFunctionPtrQueue(); -} - -// ---------------------------------------------------------------------------- - -/* - * JNI registration. - */ -static JNINativeMethod gWebCoreJavaBridgeMethods[] = { - /* name, signature, funcPtr */ - { "nativeConstructor", "()V", - (void*) JavaBridge::Constructor }, - { "nativeFinalize", "()V", - (void*) JavaBridge::Finalize }, - { "sharedTimerFired", "()V", - (void*) JavaBridge::SharedTimerFired }, - { "setCacheSize", "(I)V", - (void*) JavaBridge::SetCacheSize }, - { "setDeferringTimers", "(Z)V", - (void*) JavaBridge::SetDeferringTimers }, - { "nativeServiceFuncPtrQueue", "()V", - (void*) JavaBridge::ServiceFuncPtrQueue }, -}; - -int register_javabridge(JNIEnv* env) -{ - jclass javaBridge = env->FindClass("android/webkit/JWebCoreJavaBridge"); - LOG_FATAL_IF(javaBridge == NULL, "Unable to find class android/webkit/JWebCoreJavaBridge"); - gJavaBridge_ObjectID = env->GetFieldID(javaBridge, "mNativeBridge", "I"); - LOG_FATAL_IF(gJavaBridge_ObjectID == NULL, "Unable to find android/webkit/JWebCoreJavaBridge.mNativeBridge"); - - return jniRegisterNativeMethods(env, "android/webkit/JWebCoreJavaBridge", - gWebCoreJavaBridgeMethods, NELEM(gWebCoreJavaBridgeMethods)); -} - -} /* namespace android */ |