Home | History | Annotate | Download | only in jni 
      1 /*
      2  * Copyright 2006, The Android Open Source Project
      3  *
      4  * Redistribution and use in source and binary forms, with or without
      5  * modification, are permitted provided that the following conditions
      6  * are met:
      7  *  * Redistributions of source code must retain the above copyright
      8  *    notice, this list of conditions and the following disclaimer.
      9  *  * Redistributions in binary form must reproduce the above copyright
     10  *    notice, this list of conditions and the following disclaimer in the
     11  *    documentation and/or other materials provided with the distribution.
     12  *
     13  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ``AS IS'' AND ANY
     14  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     15  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     16  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR
     17  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
     18  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
     19  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
     20  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
     21  * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     22  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
     23  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     24  */
     25 
     26 #ifndef WebCoreResourceLoader_h
     27 #define WebCoreResourceLoader_h
     28 
     29 #include <KURL.h>
     30 #include <ResourceLoaderAndroid.h>
     31 #include <jni.h>
     32 
     33 namespace android {
     34 
     35 class WebCoreResourceLoader : public WebCore::ResourceLoaderAndroid
     36 {
     37 public:
     38     static PassRefPtr<WebCore::ResourceLoaderAndroid> create(JNIEnv *env, jobject jLoadListener);
     39     virtual ~WebCoreResourceLoader();
     40 
     41     /**
     42      * Call to java to cancel the current load.
     43      */
     44     virtual void cancel();
     45 
     46     /**
     47     * Call to java to download the current load rather than feed it
     48     * back to WebCore
     49     */
     50     virtual void downloadFile();
     51 
     52     virtual void pauseLoad(bool);
     53 
     54     /**
     55     * Call to java to find out if this URL is in the cache
     56     */
     57     static bool willLoadFromCache(const WebCore::KURL& url, int64_t identifier);
     58 
     59     // Native jni functions
     60     static void SetResponseHeader(JNIEnv*, jobject, jint, jstring, jstring);
     61     static jint CreateResponse(JNIEnv*, jobject, jstring, jint, jstring,
     62             jstring, jlong, jstring);
     63     static void ReceivedResponse(JNIEnv*, jobject, jint);
     64     static void AddData(JNIEnv*, jobject, jbyteArray, jint);
     65     static void Finished(JNIEnv*, jobject);
     66     static jstring RedirectedToUrl(JNIEnv*, jobject, jstring, jstring, jint);
     67     static void Error(JNIEnv*, jobject, jint, jstring, jstring);
     68 
     69 protected:
     70     WebCoreResourceLoader(JNIEnv *env, jobject jLoadListener);
     71 private:
     72     jobject     mJLoader;
     73     bool        mPausedLoad;
     74 };
     75 
     76 } // end namespace android
     77 
     78 #endif
     79