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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.text.TextUtils;
import android.util.Log;
import android.webkit.SearchBox;
import java.util.Map;
/**
* Class to manage the controlling of preloaded tab.
*/
public class PreloadedTabControl {
private static final boolean LOGD_ENABLED = true;//com.android.browser.Browser.LOGD_ENABLED;
private static final String LOGTAG = "PreloadedTabControl";
final Tab mTab;
private String mLastQuery;
private boolean mDestroyed;
public PreloadedTabControl(Tab t) {
mTab = t;
}
private void maybeSetQuery(String query, SearchBox sb) {
if (!TextUtils.equals(mLastQuery, query)) {
if (sb != null) {
if (LOGD_ENABLED) Log.d(LOGTAG, "Changing searchbox query to " + query);
sb.setVerbatim(true);
sb.setQuery(query);
sb.onchange();
mLastQuery = query;
} else {
if (LOGD_ENABLED) Log.d(LOGTAG, "Cannot set query: no searchbox interface");
}
}
}
public void setQuery(String query) {
maybeSetQuery(query, mTab.getWebView().getSearchBox());
}
public boolean searchBoxSubmit(final String query,
final String fallbackUrl, final Map<String, String> fallbackHeaders) {
final SearchBox sb = mTab.getWebView().getSearchBox();
if (sb == null) {
// no searchbox, cannot submit. Fallback to regular tab creation
if (LOGD_ENABLED) Log.d(LOGTAG, "No searchbox, cannot submit query");
return false;
}
sb.isSupported(new SearchBox.IsSupportedCallback() {
@Override
public void searchBoxIsSupported(boolean supported) {
if (LOGD_ENABLED) Log.d(LOGTAG, "SearchBox supported: " + supported);
if (mDestroyed) {
if (LOGD_ENABLED) Log.d(LOGTAG, "tab has been destroyed");
return;
}
if (supported) {
maybeSetQuery(query, sb);
if (LOGD_ENABLED) Log.d(LOGTAG, "Submitting query " + query);
sb.onsubmit();
} else {
if (LOGD_ENABLED) Log.d(LOGTAG, "SearchBox not supported; falling back");
loadUrl(fallbackUrl, fallbackHeaders);
}
mTab.getWebView().clearHistory();
}
});
return true;
}
public void loadUrlIfChanged(String url, Map<String, String> headers) {
if (!TextUtils.equals(url, mTab.getUrl())) {
loadUrl(url, headers);
}
}
public void loadUrl(String url, Map<String, String> headers) {
if (LOGD_ENABLED) Log.d(LOGTAG, "Preloading " + url);
mTab.loadUrl(url, headers);
}
public void destroy() {
mDestroyed = true;
mTab.destroy();
}
public Tab getTab() {
return mTab;
}
}
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