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 #define LOG_TAG "favicons" 27 28 #include "config.h" 29 #include "WebIconDatabase.h" 30 31 #include "FileSystem.h" 32 #include "GraphicsJNI.h" 33 #include "IconDatabase.h" 34 #include "Image.h" 35 #include "IntRect.h" 36 #include "JavaSharedClient.h" 37 #include "KURL.h" 38 #include "WebCoreJni.h" 39 40 #include <JNIHelp.h> 41 #include <JNIUtility.h> 42 #include <SharedBuffer.h> 43 #include <SkBitmap.h> 44 #include <SkImageDecoder.h> 45 #include <SkTemplates.h> 46 #include <pthread.h> 47 #include <utils/misc.h> 48 #include <wtf/Platform.h> 49 #include <wtf/text/CString.h> 50 51 namespace android { 52 53 jobject webcoreImageToJavaBitmap(JNIEnv* env, WebCore::Image* icon) 54 { 55 if (!icon) 56 return NULL; 57 SkBitmap bm; 58 WebCore::SharedBuffer* buffer = icon->data(); 59 if (!buffer || !SkImageDecoder::DecodeMemory(buffer->data(), buffer->size(), 60 &bm, SkBitmap::kNo_Config, 61 SkImageDecoder::kDecodePixels_Mode)) 62 return NULL; 63 64 return GraphicsJNI::createBitmap(env, new SkBitmap(bm), false, NULL); 65 } 66 67 static WebIconDatabase* gIconDatabaseClient = new WebIconDatabase(); 68 69 bool WebIconDatabase::performImport() 70 { 71 // We don't do do any old-style database importing. 72 return true; 73 } 74 75 // Called on the WebCore thread 76 void WebIconDatabase::didImportIconURLForPageURL(const WTF::String& pageURL) 77 { 78 // FIXME: After http://trac.webkit.org/changeset/81719 this method is called 79 // on the WebCore thread, so switching threads via this queue is superfluous 80 // and should be removed. http://b/4565022 81 mNotificationsMutex.lock(); 82 mNotifications.append(pageURL); 83 if (!mDeliveryRequested) { 84 mDeliveryRequested = true; 85 JavaSharedClient::EnqueueFunctionPtr(DeliverNotifications, this); 86 } 87 mNotificationsMutex.unlock(); 88 } 89 90 void WebIconDatabase::didImportIconDataForPageURL(const WTF::String& pageURL) 91 { 92 // WebKit1 only has a single "icon did change" notification. 93 didImportIconURLForPageURL(pageURL); 94 } 95 96 void WebIconDatabase::didChangeIconForPageURL(const WTF::String& pageURL) 97 { 98 // WebKit1 only has a single "icon did change" notification. 99 didImportIconURLForPageURL(pageURL); 100 } 101 102 void WebIconDatabase::didRemoveAllIcons() 103 { 104 } 105 106 void WebIconDatabase::didFinishURLImport() 107 { 108 } 109 110 // Called in the WebCore thread 111 void WebIconDatabase::RegisterForIconNotification(WebIconDatabaseClient* client) 112 { 113 WebIconDatabase* db = gIconDatabaseClient; 114 for (unsigned i = 0; i < db->mClients.size(); ++i) { 115 // Do not add the same client twice. 116 if (db->mClients[i] == client) 117 return; 118 } 119 gIconDatabaseClient->mClients.append(client); 120 } 121 122 // Called in the WebCore thread 123 void WebIconDatabase::UnregisterForIconNotification(WebIconDatabaseClient* client) 124 { 125 WebIconDatabase* db = gIconDatabaseClient; 126 for (unsigned i = 0; i < db->mClients.size(); ++i) { 127 if (db->mClients[i] == client) { 128 db->mClients.remove(i); 129 break; 130 } 131 } 132 } 133 134 // Called in the WebCore thread 135 void WebIconDatabase::DeliverNotifications(void* v) 136 { 137 ASSERT(v); 138 ((WebIconDatabase*)v)->deliverNotifications(); 139 } 140 141 // Called in the WebCore thread 142 void WebIconDatabase::deliverNotifications() 143 { 144 ASSERT(mDeliveryRequested); 145 146 // Swap the notifications queue 147 Vector<WTF::String> queue; 148 mNotificationsMutex.lock(); 149 queue.swap(mNotifications); 150 mDeliveryRequested = false; 151 mNotificationsMutex.unlock(); 152 153 // Swap the clients queue 154 Vector<WebIconDatabaseClient*> clients; 155 clients.swap(mClients); 156 157 for (unsigned i = 0; i < queue.size(); ++i) { 158 for (unsigned j = 0; j < clients.size(); ++j) { 159 clients[j]->didAddIconForPageUrl(queue[i]); 160 } 161 } 162 } 163 164 static void Open(JNIEnv* env, jobject obj, jstring path) 165 { 166 WebCore::IconDatabaseBase& iconDb = WebCore::iconDatabase(); 167 if (iconDb.isOpen()) 168 return; 169 iconDb.setEnabled(true); 170 iconDb.setClient(gIconDatabaseClient); 171 LOG_ASSERT(path, "No path given to nativeOpen"); 172 WTF::String pathStr = jstringToWtfString(env, path); 173 WTF::CString fullPath = WebCore::pathByAppendingComponent(pathStr, 174 WebCore::IconDatabase::defaultDatabaseFilename()).utf8(); 175 mode_t mode = S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP; 176 bool didSetPermissions = false; 177 if (access(fullPath.data(), F_OK) == 0) { 178 if (chmod(fullPath.data(), mode) == 0) 179 didSetPermissions = true; 180 } else { 181 int fd = open(fullPath.data(), O_CREAT, mode); 182 if (fd >= 0) { 183 close(fd); 184 didSetPermissions = true; 185 } 186 } 187 if (didSetPermissions) { 188 LOGV("Opening WebIconDatabase file '%s'", pathStr.latin1().data()); 189 bool res = iconDb.open(pathStr, WebCore::IconDatabase::defaultDatabaseFilename()); 190 if (!res) 191 LOGE("Open failed!"); 192 } else 193 LOGE("Failed to set permissions on '%s'", fullPath.data()); 194 } 195 196 static void Close(JNIEnv* env, jobject obj) 197 { 198 WebCore::iconDatabase().close(); 199 } 200 201 static void RemoveAllIcons(JNIEnv* env, jobject obj) 202 { 203 LOGV("Removing all icons"); 204 WebCore::iconDatabase().removeAllIcons(); 205 } 206 207 static jobject IconForPageUrl(JNIEnv* env, jobject obj, jstring url) 208 { 209 LOG_ASSERT(url, "No url given to iconForPageUrl"); 210 WTF::String urlStr = jstringToWtfString(env, url); 211 212 // FIXME: This method should not be used from outside WebCore and will be removed. 213 // http://trac.webkit.org/changeset/81484 214 WebCore::Image* icon = WebCore::iconDatabase().synchronousIconForPageURL(urlStr, WebCore::IntSize(16, 16)); 215 LOGV("Retrieving icon for '%s' %p", urlStr.latin1().data(), icon); 216 return webcoreImageToJavaBitmap(env, icon); 217 } 218 219 static void RetainIconForPageUrl(JNIEnv* env, jobject obj, jstring url) 220 { 221 LOG_ASSERT(url, "No url given to retainIconForPageUrl"); 222 WTF::String urlStr = jstringToWtfString(env, url); 223 224 LOGV("Retaining icon for '%s'", urlStr.latin1().data()); 225 WebCore::iconDatabase().retainIconForPageURL(urlStr); 226 } 227 228 static void ReleaseIconForPageUrl(JNIEnv* env, jobject obj, jstring url) 229 { 230 LOG_ASSERT(url, "No url given to releaseIconForPageUrl"); 231 WTF::String urlStr = jstringToWtfString(env, url); 232 233 LOGV("Releasing icon for '%s'", urlStr.latin1().data()); 234 WebCore::iconDatabase().releaseIconForPageURL(urlStr); 235 } 236 237 /* 238 * JNI registration 239 */ 240 static JNINativeMethod gWebIconDatabaseMethods[] = { 241 { "nativeOpen", "(Ljava/lang/String;)V", 242 (void*) Open }, 243 { "nativeClose", "()V", 244 (void*) Close }, 245 { "nativeRemoveAllIcons", "()V", 246 (void*) RemoveAllIcons }, 247 { "nativeIconForPageUrl", "(Ljava/lang/String;)Landroid/graphics/Bitmap;", 248 (void*) IconForPageUrl }, 249 { "nativeRetainIconForPageUrl", "(Ljava/lang/String;)V", 250 (void*) RetainIconForPageUrl }, 251 { "nativeReleaseIconForPageUrl", "(Ljava/lang/String;)V", 252 (void*) ReleaseIconForPageUrl } 253 }; 254 255 int registerWebIconDatabase(JNIEnv* env) 256 { 257 #ifndef NDEBUG 258 jclass webIconDatabase = env->FindClass("android/webkit/WebIconDatabase"); 259 LOG_ASSERT(webIconDatabase, "Unable to find class android.webkit.WebIconDatabase"); 260 env->DeleteLocalRef(webIconDatabase); 261 #endif 262 263 return jniRegisterNativeMethods(env, "android/webkit/WebIconDatabase", 264 gWebIconDatabaseMethods, NELEM(gWebIconDatabaseMethods)); 265 } 266 267 } 268