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/*
* Copyright 2006, The Android Open Source Project
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ``AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#define LOG_TAG "webcoreglue"
#include <config.h>
#include <wtf/Platform.h>
#include "jni_utility.h"
#include "WebCoreResourceLoader.h"
#include "SkUtils.h"
#include "CString.h"
#include "ResourceError.h"
#include "ResourceHandle.h"
#include "ResourceHandleClient.h"
#include "ResourceHandleInternal.h"
#include "ResourceResponse.h"
#include "WebCoreJni.h"
#ifdef ANDROID_INSTRUMENT
#include "TimeCounter.h"
#endif
#include <utils/misc.h>
#include <JNIHelp.h>
#include <SkTypes.h>
#include <stdlib.h>
namespace android {
// ----------------------------------------------------------------------------
static struct resourceloader_t {
jfieldID mObject;
jmethodID mCancelMethodID;
jmethodID mDownloadFileMethodID;
jmethodID mWillLoadFromCacheMethodID;
} gResourceLoader;
// ----------------------------------------------------------------------------
#define GET_NATIVE_HANDLE(env, obj) ((WebCore::ResourceHandle*)env->GetIntField(obj, gResourceLoader.mObject))
#define SET_NATIVE_HANDLE(env, obj, handle) (env->SetIntField(obj, gResourceLoader.mObject, handle))
//-----------------------------------------------------------------------------
// ResourceLoadHandler
WebCoreResourceLoader::WebCoreResourceLoader(JNIEnv *env, jobject jLoadListener)
{
mJLoader = env->NewGlobalRef(jLoadListener);
}
WebCoreResourceLoader::~WebCoreResourceLoader()
{
JNIEnv* env = JSC::Bindings::getJNIEnv();
SET_NATIVE_HANDLE(env, mJLoader, 0);
env->DeleteGlobalRef(mJLoader);
mJLoader = 0;
}
void WebCoreResourceLoader::cancel()
{
JNIEnv* env = JSC::Bindings::getJNIEnv();
env->CallVoidMethod(mJLoader, gResourceLoader.mCancelMethodID);
checkException(env);
}
void WebCoreResourceLoader::downloadFile()
{
JNIEnv* env = JSC::Bindings::getJNIEnv();
env->CallVoidMethod(mJLoader, gResourceLoader.mDownloadFileMethodID);
checkException(env);
}
/*
* This static method is called to check to see if a POST response is in
* the cache. This may be slow, but is only used during a navigation to
* a POST response.
*/
bool WebCoreResourceLoader::willLoadFromCache(const WebCore::KURL& url, int64_t identifier)
{
JNIEnv* env = JSC::Bindings::getJNIEnv();
WebCore::String urlStr = url.string();
jstring jUrlStr = env->NewString(urlStr.characters(), urlStr.length());
jclass resourceLoader = env->FindClass("android/webkit/LoadListener");
bool val = env->CallStaticBooleanMethod(resourceLoader,
gResourceLoader.mWillLoadFromCacheMethodID, jUrlStr, identifier);
checkException(env);
env->DeleteLocalRef(jUrlStr);
return val;
}
// ----------------------------------------------------------------------------
void WebCoreResourceLoader::SetResponseHeader(JNIEnv* env, jobject obj, jint nativeResponse, jstring key, jstring val)
{
#ifdef ANDROID_INSTRUMENT
TimeCounterAuto counter(TimeCounter::ResourceTimeCounter);
#endif
WebCore::ResourceResponse* response = (WebCore::ResourceResponse*)nativeResponse;
LOG_ASSERT(response, "nativeSetResponseHeader must take a valid response pointer!");
LOG_ASSERT(key, "How did a null value become a key?");
if (val) {
WebCore::String valStr = to_string(env, val);
if (!valStr.isEmpty())
response->setHTTPHeaderField(to_string(env, key), valStr);
}
}
jint WebCoreResourceLoader::CreateResponse(JNIEnv* env, jobject obj, jstring url, jint statusCode,
jstring statusText, jstring mimeType, jlong expectedLength,
jstring encoding)
{
#ifdef ANDROID_INSTRUMENT
TimeCounterAuto counter(TimeCounter::ResourceTimeCounter);
#endif
LOG_ASSERT(url, "Must have a url in the response!");
WebCore::KURL kurl(WebCore::ParsedURLString, to_string(env, url));
WebCore::String encodingStr;
WebCore::String mimeTypeStr;
if (mimeType) {
mimeTypeStr = to_string(env, mimeType);
LOGV("Response setMIMEType: %s", mimeTypeStr.latin1().data());
}
if (encoding) {
encodingStr = to_string(env, encoding);
LOGV("Response setTextEncodingName: %s", encodingStr.latin1().data());
}
WebCore::ResourceResponse* response = new WebCore::ResourceResponse(
kurl, mimeTypeStr, (long long)expectedLength,
encodingStr, WebCore::String());
response->setHTTPStatusCode(statusCode);
if (statusText) {
WebCore::String status = to_string(env, statusText);
response->setHTTPStatusText(status);
LOGV("Response setStatusText: %s", status.latin1().data());
}
return (int)response;
}
void WebCoreResourceLoader::ReceivedResponse(JNIEnv* env, jobject obj, jint nativeResponse)
{
#ifdef ANDROID_INSTRUMENT
TimeCounterAuto counter(TimeCounter::ResourceTimeCounter);
#endif
WebCore::ResourceHandle* handle = GET_NATIVE_HANDLE(env, obj);
LOG_ASSERT(handle, "nativeReceivedResponse must take a valid handle!");
// ResourceLoader::didFail() can set handle to be NULL, we need to check
if (!handle)
return;
WebCore::ResourceResponse* response = (WebCore::ResourceResponse*)nativeResponse;
LOG_ASSERT(response, "nativeReceivedResponse must take a valid resource pointer!");
handle->client()->didReceiveResponse(handle, *response);
// As the client makes a copy of the response, delete it here.
delete response;
}
void WebCoreResourceLoader::AddData(JNIEnv* env, jobject obj, jbyteArray dataArray, jint length)
{
#ifdef ANDROID_INSTRUMENT
TimeCounterAuto counter(TimeCounter::ResourceTimeCounter);
#endif
LOGV("webcore_resourceloader data(%d)", length);
WebCore::ResourceHandle* handle = GET_NATIVE_HANDLE(env, obj);
LOG_ASSERT(handle, "nativeAddData must take a valid handle!");
// ResourceLoader::didFail() can set handle to be NULL, we need to check
if (!handle)
return;
SkAutoMemoryUsageProbe mup("android_webcore_resourceloader_nativeAddData");
bool result = false;
jbyte * data = env->GetByteArrayElements(dataArray, NULL);
LOG_ASSERT(handle->client(), "Why do we not have a client?");
handle->client()->didReceiveData(handle, (const char *)data, length, length);
env->ReleaseByteArrayElements(dataArray, data, JNI_ABORT);
}
void WebCoreResourceLoader::Finished(JNIEnv* env, jobject obj)
{
#ifdef ANDROID_INSTRUMENT
TimeCounterAuto counter(TimeCounter::ResourceTimeCounter);
#endif
LOGV("webcore_resourceloader finished");
WebCore::ResourceHandle* handle = GET_NATIVE_HANDLE(env, obj);
LOG_ASSERT(handle, "nativeFinished must take a valid handle!");
// ResourceLoader::didFail() can set handle to be NULL, we need to check
if (!handle)
return;
LOG_ASSERT(handle->client(), "Why do we not have a client?");
handle->client()->didFinishLoading(handle);
}
jstring WebCoreResourceLoader::RedirectedToUrl(JNIEnv* env, jobject obj,
jstring baseUrl, jstring redirectTo, jint nativeResponse)
{
#ifdef ANDROID_INSTRUMENT
TimeCounterAuto counter(TimeCounter::ResourceTimeCounter);
#endif
LOGV("webcore_resourceloader redirectedToUrl");
WebCore::ResourceHandle* handle = GET_NATIVE_HANDLE(env, obj);
LOG_ASSERT(handle, "nativeRedirectedToUrl must take a valid handle!");
// ResourceLoader::didFail() can set handle to be NULL, we need to check
if (!handle)
return NULL;
LOG_ASSERT(handle->client(), "Why do we not have a client?");
WebCore::ResourceRequest r = handle->request();
WebCore::KURL url(WebCore::KURL(WebCore::ParsedURLString, to_string(env, baseUrl)),
to_string(env, redirectTo));
r.setURL(url);
if (r.httpMethod() == "POST") {
r.setHTTPMethod("GET");
r.clearHTTPReferrer();
r.setHTTPBody(0);
r.setHTTPContentType("");
}
WebCore::ResourceResponse* response = (WebCore::ResourceResponse*)nativeResponse;
// If the url fails to resolve the relative path, return null.
if (url.protocol().isEmpty()) {
delete response;
return NULL;
}
handle->client()->willSendRequest(handle, r, *response);
delete response;
WebCore::String s = url.string();
return env->NewString((unsigned short*)s.characters(), s.length());
}
void WebCoreResourceLoader::Error(JNIEnv* env, jobject obj, jint id, jstring description,
jstring failingUrl)
{
#ifdef ANDROID_INSTRUMENT
TimeCounterAuto counter(TimeCounter::ResourceTimeCounter);
#endif
LOGV("webcore_resourceloader error");
WebCore::ResourceHandle* handle = GET_NATIVE_HANDLE(env, obj);
LOG_ASSERT(handle, "nativeError must take a valid handle!");
// ResourceLoader::didFail() can set handle to be NULL, we need to check
if (!handle)
return;
handle->client()->didFail(handle, WebCore::ResourceError("", id,
to_string(env, failingUrl), to_string(env, description)));
}
// ----------------------------------------------------------------------------
/*
* JNI registration.
*/
static JNINativeMethod gResourceloaderMethods[] = {
/* name, signature, funcPtr */
{ "nativeSetResponseHeader", "(ILjava/lang/String;Ljava/lang/String;)V",
(void*) WebCoreResourceLoader::SetResponseHeader },
{ "nativeCreateResponse", "(Ljava/lang/String;ILjava/lang/String;Ljava/lang/String;JLjava/lang/String;)I",
(void*) WebCoreResourceLoader::CreateResponse },
{ "nativeReceivedResponse", "(I)V",
(void*) WebCoreResourceLoader::ReceivedResponse },
{ "nativeAddData", "([BI)V",
(void*) WebCoreResourceLoader::AddData },
{ "nativeFinished", "()V",
(void*) WebCoreResourceLoader::Finished },
{ "nativeRedirectedToUrl", "(Ljava/lang/String;Ljava/lang/String;I)Ljava/lang/String;",
(void*) WebCoreResourceLoader::RedirectedToUrl },
{ "nativeError", "(ILjava/lang/String;Ljava/lang/String;)V",
(void*) WebCoreResourceLoader::Error }
};
int register_resource_loader(JNIEnv* env)
{
jclass resourceLoader = env->FindClass("android/webkit/LoadListener");
LOG_FATAL_IF(resourceLoader == NULL,
"Unable to find class android/webkit/LoadListener");
gResourceLoader.mObject =
env->GetFieldID(resourceLoader, "mNativeLoader", "I");
LOG_FATAL_IF(gResourceLoader.mObject == NULL,
"Unable to find android/webkit/LoadListener.mNativeLoader");
gResourceLoader.mCancelMethodID =
env->GetMethodID(resourceLoader, "cancel", "()V");
LOG_FATAL_IF(gResourceLoader.mCancelMethodID == NULL,
"Could not find method cancel on LoadListener");
gResourceLoader.mDownloadFileMethodID =
env->GetMethodID(resourceLoader, "downloadFile", "()V");
LOG_FATAL_IF(gResourceLoader.mDownloadFileMethodID == NULL,
"Could not find method downloadFile on LoadListener");
gResourceLoader.mWillLoadFromCacheMethodID =
env->GetStaticMethodID(resourceLoader, "willLoadFromCache", "(Ljava/lang/String;J)Z");
LOG_FATAL_IF(gResourceLoader.mWillLoadFromCacheMethodID == NULL,
"Could not find static method willLoadFromCache on LoadListener");
return jniRegisterNativeMethods(env, "android/webkit/LoadListener",
gResourceloaderMethods, NELEM(gResourceloaderMethods));
}
} /* namespace android */
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