IntentHandler.java revision 35e9dd6283a2d65687104eb0b3a459c02dcb150b
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 } 79 final String action = intent.getAction(); 80 final int flags = intent.getFlags(); 81 if (Intent.ACTION_MAIN.equals(action) || 82 (flags & Intent.FLAG_ACTIVITY_LAUNCHED_FROM_HISTORY) != 0) { 83 // just resume the browser 84 return; 85 } 86 if (BrowserActivity.ACTION_SHOW_BOOKMARKS.equals(action)) { 87 mController.bookmarksOrHistoryPicker(false); 88 return; 89 } 90 mController.removeComboView(); 91 92 // In case the SearchDialog is open. 93 ((SearchManager) mActivity.getSystemService(Context.SEARCH_SERVICE)) 94 .stopSearch(); 95 boolean activateVoiceSearch = RecognizerResultsIntent 96 .ACTION_VOICE_SEARCH_RESULTS.equals(action); 97 if (Intent.ACTION_VIEW.equals(action) 98 || Intent.ACTION_SEARCH.equals(action) 99 || MediaStore.INTENT_ACTION_MEDIA_SEARCH.equals(action) 100 || Intent.ACTION_WEB_SEARCH.equals(action) 101 || activateVoiceSearch) { 102 if (current.isInVoiceSearchMode()) { 103 String title = current.getVoiceDisplayTitle(); 104 if (title != null && title.equals(intent.getStringExtra( 105 SearchManager.QUERY))) { 106 // The user submitted the same search as the last voice 107 // search, so do nothing. 108 return; 109 } 110 if (Intent.ACTION_SEARCH.equals(action) 111 && current.voiceSearchSourceIsGoogle()) { 112 Intent logIntent = new Intent( 113 LoggingEvents.ACTION_LOG_EVENT); 114 logIntent.putExtra(LoggingEvents.EXTRA_EVENT, 115 LoggingEvents.VoiceSearch.QUERY_UPDATED); 116 logIntent.putExtra( 117 LoggingEvents.VoiceSearch.EXTRA_QUERY_UPDATED_VALUE, 118 intent.getDataString()); 119 mActivity.sendBroadcast(logIntent); 120 // Note, onPageStarted will revert the voice title bar 121 // When http://b/issue?id=2379215 is fixed, we should update 122 // the title bar here. 123 } 124 } 125 // If this was a search request (e.g. search query directly typed into the address bar), 126 // pass it on to the default web search provider. 127 if (handleWebSearchIntent(mActivity, mController, intent)) { 128 return; 129 } 130 131 UrlData urlData = getUrlDataFromIntent(intent); 132 if (urlData.isEmpty()) { 133 urlData = new UrlData(mSettings.getHomePage()); 134 } 135 136 if (intent.getBooleanExtra(Browser.EXTRA_CREATE_NEW_TAB, false)) { 137 mController.openTabAndShow(mTabControl.getCurrentTab(), urlData, false, null); 138 return; 139 } 140 final String appId = intent 141 .getStringExtra(Browser.EXTRA_APPLICATION_ID); 142 if ((Intent.ACTION_VIEW.equals(action) 143 // If a voice search has no appId, it means that it came 144 // from the browser. In that case, reuse the current tab. 145 || (activateVoiceSearch && appId != null)) 146 && !mActivity.getPackageName().equals(appId) 147 && (flags & Intent.FLAG_ACTIVITY_BROUGHT_TO_FRONT) != 0) { 148 if (activateVoiceSearch) { 149 Tab appTab = mTabControl.getTabFromId(appId); 150 if (appTab != null) { 151 mController.reuseTab(appTab, appId, urlData); 152 return; 153 } else { 154 mController.openTabAndShow(null, urlData, false, appId); 155 } 156 } else { 157 // No matching application tab, try to find a regular tab 158 // with a matching url. 159 Tab appTab = mTabControl.findUnusedTabWithUrl(urlData.mUrl); 160 if (appTab != null) { 161 if (current != appTab) { 162 mController.switchToTab(mTabControl.getTabIndex(appTab)); 163 } 164 // Otherwise, we are already viewing the correct tab. 165 } else { 166 // if FLAG_ACTIVITY_BROUGHT_TO_FRONT flag is on, the url 167 // will be opened in a new tab unless we have reached 168 // MAX_TABS. Then the url will be opened in the current 169 // tab. If a new tab is created, it will have "true" for 170 // exit on close. 171 mController.openTabAndShow(null, urlData, false, appId); 172 } 173 } 174 } else { 175 if (!urlData.isEmpty() 176 && urlData.mUrl.startsWith("about:debug")) { 177 if ("about:debug.dom".equals(urlData.mUrl)) { 178 current.getWebView().dumpDomTree(false); 179 } else if ("about:debug.dom.file".equals(urlData.mUrl)) { 180 current.getWebView().dumpDomTree(true); 181 } else if ("about:debug.render".equals(urlData.mUrl)) { 182 current.getWebView().dumpRenderTree(false); 183 } else if ("about:debug.render.file".equals(urlData.mUrl)) { 184 current.getWebView().dumpRenderTree(true); 185 } else if ("about:debug.display".equals(urlData.mUrl)) { 186 current.getWebView().dumpDisplayTree(); 187 } else if ("about:debug.nav".equals(urlData.mUrl)) { 188 current.getWebView().debugDump(); 189 } else { 190 mSettings.toggleDebugSettings(); 191 } 192 return; 193 } 194 // Get rid of the subwindow if it exists 195 mController.dismissSubWindow(current); 196 // If the current Tab is being used as an application tab, 197 // remove the association, since the new Intent means that it is 198 // no longer associated with that application. 199 current.setAppId(null); 200 mController.loadUrlDataIn(current, urlData); 201 } 202 } 203 } 204 205 protected UrlData getUrlDataFromIntent(Intent intent) { 206 String url = ""; 207 Map<String, String> headers = null; 208 if (intent != null 209 && (intent.getFlags() & Intent.FLAG_ACTIVITY_LAUNCHED_FROM_HISTORY) == 0) { 210 final String action = intent.getAction(); 211 if (Intent.ACTION_VIEW.equals(action)) { 212 url = UrlUtils.smartUrlFilter(intent.getData()); 213 if (url != null && url.startsWith("http")) { 214 final Bundle pairs = intent 215 .getBundleExtra(Browser.EXTRA_HEADERS); 216 if (pairs != null && !pairs.isEmpty()) { 217 Iterator<String> iter = pairs.keySet().iterator(); 218 headers = new HashMap<String, String>(); 219 while (iter.hasNext()) { 220 String key = iter.next(); 221 headers.put(key, pairs.getString(key)); 222 } 223 } 224 } 225 } else if (Intent.ACTION_SEARCH.equals(action) 226 || MediaStore.INTENT_ACTION_MEDIA_SEARCH.equals(action) 227 || Intent.ACTION_WEB_SEARCH.equals(action)) { 228 url = intent.getStringExtra(SearchManager.QUERY); 229 if (url != null) { 230 // In general, we shouldn't modify URL from Intent. 231 // But currently, we get the user-typed URL from search box as well. 232 url = UrlUtils.fixUrl(url); 233 url = UrlUtils.smartUrlFilter(url); 234 String searchSource = "&source=android-" + GOOGLE_SEARCH_SOURCE_SUGGEST + "&"; 235 if (url.contains(searchSource)) { 236 String source = null; 237 final Bundle appData = intent.getBundleExtra(SearchManager.APP_DATA); 238 if (appData != null) { 239 source = appData.getString(Search.SOURCE); 240 } 241 if (TextUtils.isEmpty(source)) { 242 source = GOOGLE_SEARCH_SOURCE_UNKNOWN; 243 } 244 url = url.replace(searchSource, "&source=android-"+source+"&"); 245 } 246 } 247 } 248 } 249 return new UrlData(url, headers, intent); 250 } 251 252 /** 253 * Launches the default web search activity with the query parameters if the given intent's data 254 * are identified as plain search terms and not URLs/shortcuts. 255 * @return true if the intent was handled and web search activity was launched, false if not. 256 */ 257 static boolean handleWebSearchIntent(Activity activity, 258 Controller controller, Intent intent) { 259 if (intent == null) return false; 260 261 String url = null; 262 final String action = intent.getAction(); 263 if (RecognizerResultsIntent.ACTION_VOICE_SEARCH_RESULTS.equals( 264 action)) { 265 return false; 266 } 267 if (Intent.ACTION_VIEW.equals(action)) { 268 Uri data = intent.getData(); 269 if (data != null) url = data.toString(); 270 } else if (Intent.ACTION_SEARCH.equals(action) 271 || MediaStore.INTENT_ACTION_MEDIA_SEARCH.equals(action) 272 || Intent.ACTION_WEB_SEARCH.equals(action)) { 273 url = intent.getStringExtra(SearchManager.QUERY); 274 } 275 return handleWebSearchRequest(activity, controller, url, 276 intent.getBundleExtra(SearchManager.APP_DATA), 277 intent.getStringExtra(SearchManager.EXTRA_DATA_KEY)); 278 } 279 280 /** 281 * Launches the default web search activity with the query parameters if the given url string 282 * was identified as plain search terms and not URL/shortcut. 283 * @return true if the request was handled and web search activity was launched, false if not. 284 */ 285 private static boolean handleWebSearchRequest(Activity activity, 286 Controller controller, String inUrl, Bundle appData, 287 String extraData) { 288 if (inUrl == null) return false; 289 290 // In general, we shouldn't modify URL from Intent. 291 // But currently, we get the user-typed URL from search box as well. 292 String url = UrlUtils.fixUrl(inUrl).trim(); 293 if (TextUtils.isEmpty(url)) return false; 294 295 // URLs are handled by the regular flow of control, so 296 // return early. 297 if (Patterns.WEB_URL.matcher(url).matches() 298 || UrlUtils.ACCEPTED_URI_SCHEMA.matcher(url).matches()) { 299 return false; 300 } 301 302 final ContentResolver cr = activity.getContentResolver(); 303 final String newUrl = url; 304 if (controller == null || controller.getTabControl() == null 305 || controller.getTabControl().getCurrentWebView() == null 306 || !controller.getTabControl().getCurrentWebView() 307 .isPrivateBrowsingEnabled()) { 308 new AsyncTask<Void, Void, Void>() { 309 @Override 310 protected Void doInBackground(Void... unused) { 311 Browser.addSearchUrl(cr, newUrl); 312 return null; 313 } 314 }.execute(); 315 } 316 317 SearchEngine searchEngine = BrowserSettings.getInstance().getSearchEngine(); 318 if (searchEngine == null) return false; 319 searchEngine.startSearch(activity, url, appData, extraData); 320 321 return true; 322 } 323 324 /** 325 * A UrlData class to abstract how the content will be set to WebView. 326 * This base class uses loadUrl to show the content. 327 */ 328 static class UrlData { 329 final String mUrl; 330 final Map<String, String> mHeaders; 331 final Intent mVoiceIntent; 332 333 UrlData(String url) { 334 this.mUrl = url; 335 this.mHeaders = null; 336 this.mVoiceIntent = null; 337 } 338 339 UrlData(String url, Map<String, String> headers, Intent intent) { 340 this.mUrl = url; 341 this.mHeaders = headers; 342 if (RecognizerResultsIntent.ACTION_VOICE_SEARCH_RESULTS 343 .equals(intent.getAction())) { 344 this.mVoiceIntent = intent; 345 } else { 346 this.mVoiceIntent = null; 347 } 348 } 349 350 boolean isEmpty() { 351 return mVoiceIntent == null && (mUrl == null || mUrl.length() == 0); 352 } 353 354 /** 355 * Load this UrlData into the given Tab. Use loadUrlDataIn to update 356 * the title bar as well. 357 */ 358 public void loadIn(Tab t) { 359 if (mVoiceIntent != null) { 360 t.activateVoiceSearchMode(mVoiceIntent); 361 } else { 362 t.getWebView().loadUrl(mUrl, mHeaders); 363 } 364 } 365 } 366 367} 368