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      1 /*
      2  * Copyright (C) 2011 The Android Open Source Project
      3  *
      4  * Licensed under the Apache License, Version 2.0 (the "License");
      5  * you may not use this file except in compliance with the License.
      6  * You may obtain a copy of the License at
      7  *
      8  *      http://www.apache.org/licenses/LICENSE-2.0
      9  *
     10  * Unless required by applicable law or agreed to in writing, software
     11  * distributed under the License is distributed on an "AS IS" BASIS,
     12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     13  * See the License for the specific language governing permissions and
     14  * limitations under the License.
     15  */
     16 package com.android.browser;
     17 
     18 import android.net.Uri;
     19 import android.text.TextUtils;
     20 import android.util.Log;
     21 
     22 import java.util.Map;
     23 import java.util.regex.Pattern;
     24 
     25 /**
     26  * Class to manage the controlling of preloaded tab.
     27  */
     28 public class PreloadedTabControl {
     29     private static final boolean LOGD_ENABLED = com.android.browser.Browser.LOGD_ENABLED;
     30     private static final String LOGTAG = "PreloadedTabControl";
     31 
     32     final Tab mTab;
     33     private String mLastQuery;
     34     private boolean mDestroyed;
     35 
     36     public PreloadedTabControl(Tab t) {
     37         if (LOGD_ENABLED) Log.d(LOGTAG, "PreloadedTabControl.<init>");
     38         mTab = t;
     39     }
     40 
     41     public void setQuery(String query) {
     42         if (LOGD_ENABLED) Log.d(LOGTAG, "Cannot set query: no searchbox interface");
     43     }
     44 
     45     public boolean searchBoxSubmit(final String query,
     46             final String fallbackUrl, final Map<String, String> fallbackHeaders) {
     47         return false;
     48     }
     49 
     50     public void searchBoxCancel() {
     51     }
     52 
     53     public void loadUrlIfChanged(String url, Map<String, String> headers) {
     54         String currentUrl = mTab.getUrl();
     55         if (!TextUtils.isEmpty(currentUrl)) {
     56             try {
     57                 // remove fragment:
     58                 currentUrl = Uri.parse(currentUrl).buildUpon().fragment(null).build().toString();
     59             } catch (UnsupportedOperationException e) {
     60                 // carry on
     61             }
     62         }
     63         if (LOGD_ENABLED) Log.d(LOGTAG, "loadUrlIfChanged\nnew: " + url + "\nold: " +currentUrl);
     64         if (!TextUtils.equals(url, currentUrl)) {
     65             loadUrl(url, headers);
     66         }
     67     }
     68 
     69     public void loadUrl(String url, Map<String, String> headers) {
     70         if (LOGD_ENABLED) Log.d(LOGTAG, "Preloading " + url);
     71         mTab.loadUrl(url, headers);
     72     }
     73 
     74     public void destroy() {
     75         if (LOGD_ENABLED) Log.d(LOGTAG, "PreloadedTabControl.destroy");
     76         mDestroyed = true;
     77         mTab.destroy();
     78     }
     79 
     80     public Tab getTab() {
     81         return mTab;
     82     }
     83 
     84 }
     85