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/*
* Copyright (C) 2011 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.
*/
package com.android.browser;
import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
import android.content.SharedPreferences;
import android.os.Bundle;
import android.preference.PreferenceManager;
import android.provider.Browser;
import android.util.Log;
import java.util.HashMap;
import java.util.Iterator;
import java.util.Map;
/**
* Broadcast receiver for receiving browser preload requests
*/
public class PreloadRequestReceiver extends BroadcastReceiver {
private final static String LOGTAG = "browser.preloader";
private final static boolean LOGD_ENABLED = com.android.browser.Browser.LOGD_ENABLED;
private static final String ACTION_PRELOAD = "android.intent.action.PRELOAD";
static final String EXTRA_PRELOAD_ID = "preload_id";
static final String EXTRA_PRELOAD_DISCARD = "preload_discard";
@Override
public void onReceive(Context context, Intent intent) {
if (LOGD_ENABLED) Log.d(LOGTAG, "received intent " + intent);
if (BrowserSettings.getInstance().isPreloadEnabled()
&& intent.getAction().equals(ACTION_PRELOAD)) {
handlePreload(context, intent);
}
}
private void handlePreload(Context context, Intent i) {
String url = UrlUtils.smartUrlFilter(i.getData());
String id = i.getStringExtra(EXTRA_PRELOAD_ID);
Map<String, String> headers = null;
if (id == null) {
if (LOGD_ENABLED) Log.d(LOGTAG, "Preload request has no " + EXTRA_PRELOAD_ID);
return;
}
if (i.getBooleanExtra(EXTRA_PRELOAD_DISCARD, false)) {
if (LOGD_ENABLED) Log.d(LOGTAG, "Got " + id + " preload discard request");
Preloader.getInstance().discardPreload(id);
} else {
if (LOGD_ENABLED) Log.d(LOGTAG, "Got " + id + " preload request for " + url);
if (url != null && url.startsWith("http")) {
final Bundle pairs = i.getBundleExtra(Browser.EXTRA_HEADERS);
if (pairs != null && !pairs.isEmpty()) {
Iterator<String> iter = pairs.keySet().iterator();
headers = new HashMap<String, String>();
while (iter.hasNext()) {
String key = iter.next();
headers.put(key, pairs.getString(key));
}
}
}
if (url != null) {
Preloader.getInstance().handlePreloadRequest(id, url, headers);
}
}
}
}
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