| /* |
| * 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; |
| } |
| |
| } |