Code drop from //branches/cupcake/...@124589

1 files changed, 359 insertions, 0 deletions

diff --git a/WebKit/android/jni/WebCoreResourceLoader.cpp b/WebKit/android/jni/WebCoreResourceLoader.cpp
new file mode 100644
index 0000000..2e349e8
--- /dev/null
+++ b/WebKit/android/jni/WebCoreResourceLoader.cpp
@@ -0,0 +1,359 @@
+/*
+** Copyright 2006, 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 "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 "Frame.h"
+#include "SystemTime.h"
+#endif
+
+#include <utils/misc.h>
+#include <JNIHelp.h>
+#include <SkTypes.h>
+#include <stdlib.h>
+
+#ifdef ANDROID_INSTRUMENT
+static uint32_t sTotalTimeUsed = 0;
+    
+namespace WebCore {
+void Frame::resetResourceLoadTimeCounter()
+{
+    sTotalTimeUsed = 0;
+}
+
+void Frame::reportResourceLoadTimeCounter()
+{
+    LOG(LOG_DEBUG, "WebCore", "*-* Total native 3 (resource load) time: %d ms\n", 
+            sTotalTimeUsed);   
+}
+}
+#endif
+
+namespace android {
+  
+#ifdef ANDROID_INSTRUMENT
+class TimeCounterRC {
+public:
+    TimeCounterRC() {
+        mStartTime = WebCore::get_thread_msec();
+    }
+    
+    ~TimeCounterRC() {
+        sTotalTimeUsed += WebCore::get_thread_msec() - mStartTime;
+    }
+    
+private:
+    uint32_t mStartTime;    
+};
+#endif
+  
+// ----------------------------------------------------------------------------
+
+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)
+{
+    mJvm = jnienv_to_javavm(env);
+    mJLoader = env->NewGlobalRef(jLoadListener);
+}
+
+WebCoreResourceLoader::~WebCoreResourceLoader()
+{
+    JNIEnv* env = javavm_to_jnienv(mJvm);
+    SET_NATIVE_HANDLE(env, mJLoader, 0);
+    env->DeleteGlobalRef(mJLoader);
+    mJLoader = 0;
+}
+
+void WebCoreResourceLoader::cancel()
+{
+    JNIEnv* env = javavm_to_jnienv(mJvm);
+    env->CallVoidMethod(mJLoader, gResourceLoader.mCancelMethodID);
+    checkException(env);
+}
+
+void WebCoreResourceLoader::downloadFile()
+{
+    JNIEnv* env = javavm_to_jnienv(mJvm);
+    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)
+{
+    JNIEnv* env = javavm_to_jnienv(JSC::Bindings::getJavaVM());
+    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);
+    checkException(env);
+    env->DeleteLocalRef(jUrlStr);
+
+    return val;
+}
+
+// ----------------------------------------------------------------------------
+void WebCoreResourceLoader::SetResponseHeader(JNIEnv* env, jobject obj, jint nativeResponse, jstring key, jstring val)
+{
+#ifdef ANDROID_INSTRUMENT
+    TimeCounterRC counter;
+#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, jlong expireTime)
+{
+#ifdef ANDROID_INSTRUMENT
+    TimeCounterRC counter;
+#endif
+    LOG_ASSERT(url, "Must have a url in the response!");
+    WebCore::KURL kurl(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());
+    }
+    // FIXME: This assumes that time_t is a long and that long is the same size as int.
+    if ((unsigned long)expireTime > INT_MAX)
+        expireTime = INT_MAX;
+    response->setExpirationDate((time_t)expireTime);
+    return (int)response;
+}
+   
+void WebCoreResourceLoader::ReceivedResponse(JNIEnv* env, jobject obj, jint nativeResponse)
+{
+#ifdef ANDROID_INSTRUMENT
+    TimeCounterRC counter;
+#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
+    TimeCounterRC counter;
+#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
+    TimeCounterRC counter;
+#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
+    TimeCounterRC counter;
+#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(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
+    TimeCounterRC counter;
+#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;J)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;)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 */