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/*
** 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 "favicons"
#include <config.h>
#include <wtf/Platform.h>
#include "WebCoreJni.h"
#include "WebIconDatabase.h"
#include "IconDatabase.h"
#include "Image.h"
#include "IntRect.h"
#include "JavaSharedClient.h"
#include "KURL.h"
#include <pthread.h>
#include "GraphicsJNI.h"
#include <SkBitmap.h>
#include <SkImageDecoder.h>
#include <SkTemplates.h>
#undef LOG
#include <utils/Log.h>
#include <utils/misc.h>
#include <JNIHelp.h>
namespace android {
jobject webcoreImageToJavaBitmap(JNIEnv* env, WebCore::Image* icon)
{
if (!icon)
return NULL;
SkBitmap bm;
WebCore::SharedBuffer* buffer = icon->data();
if (!buffer || !SkImageDecoder::DecodeMemory(buffer->data(), buffer->size(),
&bm, SkBitmap::kNo_Config,
SkImageDecoder::kDecodePixels_Mode))
return NULL;
return GraphicsJNI::createBitmap(env, new SkBitmap(bm), false, NULL);
}
static WebIconDatabase* gIconDatabaseClient = new WebIconDatabase();
// XXX: Called by the IconDatabase thread
void WebIconDatabase::dispatchDidAddIconForPageURL(const WebCore::String& pageURL)
{
// Attempt to attach to the current vm.
JavaVM* vm = WebCoreJni::getJavaVM();
JavaVMAttachArgs args;
args.version = JNI_VERSION_1_4;
args.name = "IconDatabase";
args.group = NULL;
JNIEnv* env;
bool threadIsAttached = true;
if (vm->AttachCurrentThread(&env, (void*) &args) != JNI_OK) {
LOGE("Could not attach IconDatabase thread to the VM");
threadIsAttached = false;
}
mNotificationsMutex.lock();
mNotifications.append(pageURL);
if (!mDeliveryRequested) {
if (threadIsAttached) {
mDeliveryRequested = true;
WebCore::JavaSharedClient::EnqueueFunctionPtr(DeliverNotifications, this);
}
}
mNotificationsMutex.unlock();
}
// Called in the WebCore thread
void WebIconDatabase::RegisterForIconNotification(WebIconDatabaseClient* client)
{
gIconDatabaseClient->mClientsMutex.lock();
gIconDatabaseClient->mClients.append(client);
gIconDatabaseClient->mClientsMutex.unlock();
}
// Called in the WebCore thread
void WebIconDatabase::UnregisterForIconNotification(WebIconDatabaseClient* client)
{
WebIconDatabase* db = gIconDatabaseClient;
db->mClientsMutex.lock();
for (unsigned i = 0; i < db->mClients.size(); ++i) {
if (db->mClients[i] == client) {
db->mClients.remove(i);
break;
}
}
db->mClientsMutex.unlock();
}
// Called in the WebCore thread
void WebIconDatabase::DeliverNotifications(void* v)
{
ASSERT(v);
((WebIconDatabase*)v)->deliverNotifications();
}
// Called in the WebCore thread
void WebIconDatabase::deliverNotifications()
{
ASSERT(mDeliveryRequested);
// Swap the notifications queue
Vector<WebCore::String> queue;
mNotificationsMutex.lock();
queue.swap(mNotifications);
mDeliveryRequested = false;
mNotificationsMutex.unlock();
// Swap the clients queue
Vector<WebIconDatabaseClient*> clients;
mClientsMutex.lock();
clients.swap(mClients);
mClientsMutex.unlock();
for (unsigned i = 0; i < queue.size(); ++i) {
for (unsigned j = 0; j < clients.size(); ++j) {
clients[j]->didAddIconForPageUrl(queue[i]);
}
}
}
static void Open(JNIEnv* env, jobject obj, jstring path)
{
WebCore::IconDatabase* iconDb = WebCore::iconDatabase();
if (iconDb->isOpen())
return;
iconDb->setEnabled(true);
iconDb->setClient(gIconDatabaseClient);
LOG_ASSERT(path, "No path given to nativeOpen");
const char* pathStr = env->GetStringUTFChars(path, NULL);
LOG_ASSERT(pathStr, "GetStringUTFChars failed for the path");
LOGV("Opening WebIconDatabase file '%s'", pathStr);
bool res = iconDb->open(pathStr);
if (!res)
LOGE("Open failed!");
env->ReleaseStringUTFChars(path, pathStr);
}
static void Close(JNIEnv* env, jobject obj)
{
WebCore::iconDatabase()->close();
}
static void RemoveAllIcons(JNIEnv* env, jobject obj)
{
LOGV("Removing all icons");
WebCore::iconDatabase()->removeAllIcons();
}
static jobject IconForPageUrl(JNIEnv* env, jobject obj, jstring url)
{
LOG_ASSERT(url, "No url given to iconForPageUrl");
const char* urlStr = env->GetStringUTFChars(url, NULL);
LOG_ASSERT(urlStr, "GetStringUTFChars failed for url");
WebCore::Image* icon = WebCore::iconDatabase()->iconForPageURL(urlStr,
WebCore::IntSize(16, 16));
LOGV("Retrieving icon for '%s' %p", urlStr, icon);
env->ReleaseStringUTFChars(url, urlStr);
return webcoreImageToJavaBitmap(env, icon);
}
static void RetainIconForPageUrl(JNIEnv* env, jobject obj, jstring url)
{
LOG_ASSERT(url, "No url given to retainIconForPageUrl");
const char* urlStr = env->GetStringUTFChars(url, NULL);
LOG_ASSERT(urlStr, "GetStringUTFChars failed for url");
LOGV("Retaining icon for '%s'", urlStr);
WebCore::iconDatabase()->retainIconForPageURL(urlStr);
env->ReleaseStringUTFChars(url, urlStr);
}
static void ReleaseIconForPageUrl(JNIEnv* env, jobject obj, jstring url)
{
LOG_ASSERT(url, "No url given to releaseIconForPageUrl");
const char* urlStr = env->GetStringUTFChars(url, NULL);
LOG_ASSERT(urlStr, "GetStringUTFChars failed for url");
LOGV("Releasing icon for '%s'", urlStr);
WebCore::iconDatabase()->releaseIconForPageURL(urlStr);
env->ReleaseStringUTFChars(url, urlStr);
}
/*
* JNI registration
*/
static JNINativeMethod gWebIconDatabaseMethods[] = {
{ "nativeOpen", "(Ljava/lang/String;)V",
(void*) Open },
{ "nativeClose", "()V",
(void*) Close },
{ "nativeRemoveAllIcons", "()V",
(void*) RemoveAllIcons },
{ "nativeIconForPageUrl", "(Ljava/lang/String;)Landroid/graphics/Bitmap;",
(void*) IconForPageUrl },
{ "nativeRetainIconForPageUrl", "(Ljava/lang/String;)V",
(void*) RetainIconForPageUrl },
{ "nativeReleaseIconForPageUrl", "(Ljava/lang/String;)V",
(void*) ReleaseIconForPageUrl }
};
int register_webicondatabase(JNIEnv* env)
{
jclass webIconDB = env->FindClass("android/webkit/WebIconDatabase");
LOG_ASSERT(webIconDB, "Unable to find class android.webkit.WebIconDatabase");
return jniRegisterNativeMethods(env, "android/webkit/WebIconDatabase",
gWebIconDatabaseMethods, NELEM(gWebIconDatabaseMethods));
}
}
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