IntentHandler.java revision 7fa9bb35acad5b02baf7d4f8401a318735191203
1/* 2 * Copyright (C) 2010 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 17 18package com.android.browser; 19 20import com.android.browser.search.SearchEngine; 21import com.android.common.Search; 22import com.android.common.speech.LoggingEvents; 23 24import android.app.Activity; 25import android.app.SearchManager; 26import android.content.ContentResolver; 27import android.content.Context; 28import android.content.Intent; 29import android.net.Uri; 30import android.os.AsyncTask; 31import android.os.Bundle; 32import android.provider.Browser; 33import android.provider.MediaStore; 34import android.speech.RecognizerResultsIntent; 35import android.text.TextUtils; 36import android.util.Patterns; 37 38import java.util.HashMap; 39import java.util.Iterator; 40import java.util.Map; 41 42/** 43 * Handle all browser related intents 44 */ 45public class IntentHandler { 46 47 // "source" parameter for Google search suggested by the browser 48 final static String GOOGLE_SEARCH_SOURCE_SUGGEST = "browser-suggest"; 49 // "source" parameter for Google search from unknown source 50 final static String GOOGLE_SEARCH_SOURCE_UNKNOWN = "unknown"; 51 52 /* package */ static final UrlData EMPTY_URL_DATA = new UrlData(null); 53 54 private Activity mActivity; 55 private Controller mController; 56 private TabControl mTabControl; 57 private BrowserSettings mSettings; 58 59 public IntentHandler(Activity browser, Controller controller) { 60 mActivity = browser; 61 mController = controller; 62 mTabControl = mController.getTabControl(); 63 mSettings = controller.getSettings(); 64 } 65 66 void onNewIntent(Intent intent) { 67 Tab current = mTabControl.getCurrentTab(); 68 // When a tab is closed on exit, the current tab index is set to -1. 69 // Reset before proceed as Browser requires the current tab to be set. 70 if (current == null) { 71 // Try to reset the tab in case the index was incorrect. 72 current = mTabControl.getTab(0); 73 if (current == null) { 74 // No tabs at all so just ignore this intent. 75 return; 76 } 77 mController.setActiveTab(current); 78 mController.resetTitleAndIcon(current); 79 } 80 final String action = intent.getAction(); 81 final int flags = intent.getFlags(); 82 if (Intent.ACTION_MAIN.equals(action) || 83 (flags & Intent.FLAG_ACTIVITY_LAUNCHED_FROM_HISTORY) != 0) { 84 // just resume the browser 85 return; 86 } 87 // In case the SearchDialog is open. 88 ((SearchManager) mActivity.getSystemService(Context.SEARCH_SERVICE)) 89 .stopSearch(); 90 boolean activateVoiceSearch = RecognizerResultsIntent 91 .ACTION_VOICE_SEARCH_RESULTS.equals(action); 92 if (Intent.ACTION_VIEW.equals(action) 93 || Intent.ACTION_SEARCH.equals(action) 94 || MediaStore.INTENT_ACTION_MEDIA_SEARCH.equals(action) 95 || Intent.ACTION_WEB_SEARCH.equals(action) 96 || activateVoiceSearch) { 97 if (current.isInVoiceSearchMode()) { 98 String title = current.getVoiceDisplayTitle(); 99 if (title != null && title.equals(intent.getStringExtra( 100 SearchManager.QUERY))) { 101 // The user submitted the same search as the last voice 102 // search, so do nothing. 103 return; 104 } 105 if (Intent.ACTION_SEARCH.equals(action) 106 && current.voiceSearchSourceIsGoogle()) { 107 Intent logIntent = new Intent( 108 LoggingEvents.ACTION_LOG_EVENT); 109 logIntent.putExtra(LoggingEvents.EXTRA_EVENT, 110 LoggingEvents.VoiceSearch.QUERY_UPDATED); 111 logIntent.putExtra( 112 LoggingEvents.VoiceSearch.EXTRA_QUERY_UPDATED_VALUE, 113 intent.getDataString()); 114 mActivity.sendBroadcast(logIntent); 115 // Note, onPageStarted will revert the voice title bar 116 // When http://b/issue?id=2379215 is fixed, we should update 117 // the title bar here. 118 } 119 } 120 // If this was a search request (e.g. search query directly typed into the address bar), 121 // pass it on to the default web search provider. 122 if (handleWebSearchIntent(mActivity, mController, intent)) { 123 return; 124 } 125 126 UrlData urlData = getUrlDataFromIntent(intent); 127 if (urlData.isEmpty()) { 128 urlData = new UrlData(mSettings.getHomePage()); 129 } 130 131 final String appId = intent 132 .getStringExtra(Browser.EXTRA_APPLICATION_ID); 133 if ((Intent.ACTION_VIEW.equals(action) 134 // If a voice search has no appId, it means that it came 135 // from the browser. In that case, reuse the current tab. 136 || (activateVoiceSearch && appId != null)) 137 && !mActivity.getPackageName().equals(appId) 138 && (flags & Intent.FLAG_ACTIVITY_BROUGHT_TO_FRONT) != 0) { 139 Tab appTab = mTabControl.getTabFromId(appId); 140 if (appTab != null) { 141 mController.reuseTab(appTab, appId, urlData); 142 return; 143 } else { 144 // No matching application tab, try to find a regular tab 145 // with a matching url. 146 appTab = mTabControl.findUnusedTabWithUrl(urlData.mUrl); 147 if (appTab != null) { 148 if (current != appTab) { 149 mController.switchToTab(mTabControl.getTabIndex(appTab)); 150 } 151 // Otherwise, we are already viewing the correct tab. 152 } else { 153 // if FLAG_ACTIVITY_BROUGHT_TO_FRONT flag is on, the url 154 // will be opened in a new tab unless we have reached 155 // MAX_TABS. Then the url will be opened in the current 156 // tab. If a new tab is created, it will have "true" for 157 // exit on close. 158 mController.openTabAndShow(urlData, true, appId); 159 } 160 } 161 } else { 162 if (!urlData.isEmpty() 163 && urlData.mUrl.startsWith("about:debug")) { 164 if ("about:debug.dom".equals(urlData.mUrl)) { 165 current.getWebView().dumpDomTree(false); 166 } else if ("about:debug.dom.file".equals(urlData.mUrl)) { 167 current.getWebView().dumpDomTree(true); 168 } else if ("about:debug.render".equals(urlData.mUrl)) { 169 current.getWebView().dumpRenderTree(false); 170 } else if ("about:debug.render.file".equals(urlData.mUrl)) { 171 current.getWebView().dumpRenderTree(true); 172 } else if ("about:debug.display".equals(urlData.mUrl)) { 173 current.getWebView().dumpDisplayTree(); 174 } else { 175 mSettings.toggleDebugSettings(); 176 } 177 return; 178 } 179 // Get rid of the subwindow if it exists 180 mController.dismissSubWindow(current); 181 // If the current Tab is being used as an application tab, 182 // remove the association, since the new Intent means that it is 183 // no longer associated with that application. 184 current.setAppId(null); 185 mController.loadUrlDataIn(current, urlData); 186 } 187 } 188 } 189 190 protected UrlData getUrlDataFromIntent(Intent intent) { 191 String url = ""; 192 Map<String, String> headers = null; 193 if (intent != null) { 194 final String action = intent.getAction(); 195 if (Intent.ACTION_VIEW.equals(action)) { 196 url = UrlUtils.smartUrlFilter(intent.getData()); 197 if (url != null && url.startsWith("content:")) { 198 /* Append mimetype so webview knows how to display */ 199 String mimeType = intent.resolveType(mActivity.getContentResolver()); 200 if (mimeType != null) { 201 url += "?" + mimeType; 202 } 203 } 204 if (url != null && url.startsWith("http")) { 205 final Bundle pairs = intent 206 .getBundleExtra(Browser.EXTRA_HEADERS); 207 if (pairs != null && !pairs.isEmpty()) { 208 Iterator<String> iter = pairs.keySet().iterator(); 209 headers = new HashMap<String, String>(); 210 while (iter.hasNext()) { 211 String key = iter.next(); 212 headers.put(key, pairs.getString(key)); 213 } 214 } 215 } 216 } else if (Intent.ACTION_SEARCH.equals(action) 217 || MediaStore.INTENT_ACTION_MEDIA_SEARCH.equals(action) 218 || Intent.ACTION_WEB_SEARCH.equals(action)) { 219 url = intent.getStringExtra(SearchManager.QUERY); 220 if (url != null) { 221 // In general, we shouldn't modify URL from Intent. 222 // But currently, we get the user-typed URL from search box as well. 223 url = UrlUtils.fixUrl(url); 224 url = UrlUtils.smartUrlFilter(url); 225 String searchSource = "&source=android-" + GOOGLE_SEARCH_SOURCE_SUGGEST + "&"; 226 if (url.contains(searchSource)) { 227 String source = null; 228 final Bundle appData = intent.getBundleExtra(SearchManager.APP_DATA); 229 if (appData != null) { 230 source = appData.getString(Search.SOURCE); 231 } 232 if (TextUtils.isEmpty(source)) { 233 source = GOOGLE_SEARCH_SOURCE_UNKNOWN; 234 } 235 url = url.replace(searchSource, "&source=android-"+source+"&"); 236 } 237 } 238 } 239 } 240 return new UrlData(url, headers, intent); 241 } 242 243 /** 244 * Launches the default web search activity with the query parameters if the given intent's data 245 * are identified as plain search terms and not URLs/shortcuts. 246 * @return true if the intent was handled and web search activity was launched, false if not. 247 */ 248 static boolean handleWebSearchIntent(Activity activity, 249 Controller controller, Intent intent) { 250 if (intent == null) return false; 251 252 String url = null; 253 final String action = intent.getAction(); 254 if (RecognizerResultsIntent.ACTION_VOICE_SEARCH_RESULTS.equals( 255 action)) { 256 return false; 257 } 258 if (Intent.ACTION_VIEW.equals(action)) { 259 Uri data = intent.getData(); 260 if (data != null) url = data.toString(); 261 } else if (Intent.ACTION_SEARCH.equals(action) 262 || MediaStore.INTENT_ACTION_MEDIA_SEARCH.equals(action) 263 || Intent.ACTION_WEB_SEARCH.equals(action)) { 264 url = intent.getStringExtra(SearchManager.QUERY); 265 } 266 return handleWebSearchRequest(activity, controller, url, 267 intent.getBundleExtra(SearchManager.APP_DATA), 268 intent.getStringExtra(SearchManager.EXTRA_DATA_KEY)); 269 } 270 271 /** 272 * Launches the default web search activity with the query parameters if the given url string 273 * was identified as plain search terms and not URL/shortcut. 274 * @return true if the request was handled and web search activity was launched, false if not. 275 */ 276 private static boolean handleWebSearchRequest(Activity activity, 277 Controller controller, String inUrl, Bundle appData, 278 String extraData) { 279 if (inUrl == null) return false; 280 281 // In general, we shouldn't modify URL from Intent. 282 // But currently, we get the user-typed URL from search box as well. 283 String url = UrlUtils.fixUrl(inUrl).trim(); 284 285 // URLs are handled by the regular flow of control, so 286 // return early. 287 if (Patterns.WEB_URL.matcher(url).matches() 288 || UrlUtils.ACCEPTED_URI_SCHEMA.matcher(url).matches()) { 289 return false; 290 } 291 292 final ContentResolver cr = activity.getContentResolver(); 293 final String newUrl = url; 294 if (controller == null || controller.getTabControl() == null 295 || controller.getTabControl().getCurrentWebView() == null 296 || !controller.getTabControl().getCurrentWebView() 297 .isPrivateBrowsingEnabled()) { 298 new AsyncTask<Void, Void, Void>() { 299 @Override 300 protected Void doInBackground(Void... unused) { 301 Browser.addSearchUrl(cr, newUrl); 302 return null; 303 } 304 }.execute(); 305 } 306 307 SearchEngine searchEngine = BrowserSettings.getInstance().getSearchEngine(); 308 if (searchEngine == null) return false; 309 searchEngine.startSearch(activity, url, appData, extraData); 310 311 return true; 312 } 313 314 /** 315 * A UrlData class to abstract how the content will be set to WebView. 316 * This base class uses loadUrl to show the content. 317 */ 318 static class UrlData { 319 final String mUrl; 320 final Map<String, String> mHeaders; 321 final Intent mVoiceIntent; 322 323 UrlData(String url) { 324 this.mUrl = url; 325 this.mHeaders = null; 326 this.mVoiceIntent = null; 327 } 328 329 UrlData(String url, Map<String, String> headers, Intent intent) { 330 this.mUrl = url; 331 this.mHeaders = headers; 332 if (RecognizerResultsIntent.ACTION_VOICE_SEARCH_RESULTS 333 .equals(intent.getAction())) { 334 this.mVoiceIntent = intent; 335 } else { 336 this.mVoiceIntent = null; 337 } 338 } 339 340 boolean isEmpty() { 341 return mVoiceIntent == null && (mUrl == null || mUrl.length() == 0); 342 } 343 344 /** 345 * Load this UrlData into the given Tab. Use loadUrlDataIn to update 346 * the title bar as well. 347 */ 348 public void loadIn(Tab t) { 349 if (mVoiceIntent != null) { 350 t.activateVoiceSearchMode(mVoiceIntent); 351 } else { 352 t.getWebView().loadUrl(mUrl, mHeaders); 353 } 354 } 355 } 356 357} 358