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 18 package com.android.browser; 19 20 import android.app.Activity; 21 import android.app.SearchManager; 22 import android.content.ContentResolver; 23 import android.content.Context; 24 import android.content.Intent; 25 import android.net.Uri; 26 import android.nfc.NfcAdapter; 27 import android.os.AsyncTask; 28 import android.os.Bundle; 29 import android.provider.Browser; 30 import android.provider.MediaStore; 31 import android.speech.RecognizerResultsIntent; 32 import android.text.TextUtils; 33 import android.util.Patterns; 34 35 import com.android.browser.UI.ComboViews; 36 import com.android.browser.search.SearchEngine; 37 import com.android.common.Search; 38 import com.android.common.speech.LoggingEvents; 39 40 import java.util.HashMap; 41 import java.util.Iterator; 42 import java.util.Map; 43 44 /** 45 * Handle all browser related intents 46 */ 47 public class IntentHandler { 48 49 // "source" parameter for Google search suggested by the browser 50 final static String GOOGLE_SEARCH_SOURCE_SUGGEST = "browser-suggest"; 51 // "source" parameter for Google search from unknown source 52 final static String GOOGLE_SEARCH_SOURCE_UNKNOWN = "unknown"; 53 54 /* package */ static final UrlData EMPTY_URL_DATA = new UrlData(null); 55 56 private Activity mActivity; 57 private Controller mController; 58 private TabControl mTabControl; 59 private BrowserSettings mSettings; 60 61 public IntentHandler(Activity browser, Controller controller) { 62 mActivity = browser; 63 mController = controller; 64 mTabControl = mController.getTabControl(); 65 mSettings = controller.getSettings(); 66 } 67 68 void onNewIntent(Intent intent) { 69 Tab current = mTabControl.getCurrentTab(); 70 // When a tab is closed on exit, the current tab index is set to -1. 71 // Reset before proceed as Browser requires the current tab to be set. 72 if (current == null) { 73 // Try to reset the tab in case the index was incorrect. 74 current = mTabControl.getTab(0); 75 if (current == null) { 76 // No tabs at all so just ignore this intent. 77 return; 78 } 79 mController.setActiveTab(current); 80 } 81 final String action = intent.getAction(); 82 final int flags = intent.getFlags(); 83 if (Intent.ACTION_MAIN.equals(action) || 84 (flags & Intent.FLAG_ACTIVITY_LAUNCHED_FROM_HISTORY) != 0) { 85 // just resume the browser 86 return; 87 } 88 if (BrowserActivity.ACTION_SHOW_BOOKMARKS.equals(action)) { 89 mController.bookmarksOrHistoryPicker(ComboViews.Bookmarks); 90 return; 91 } 92 93 // In case the SearchDialog is open. 94 ((SearchManager) mActivity.getSystemService(Context.SEARCH_SERVICE)) 95 .stopSearch(); 96 boolean activateVoiceSearch = RecognizerResultsIntent 97 .ACTION_VOICE_SEARCH_RESULTS.equals(action); 98 if (Intent.ACTION_VIEW.equals(action) 99 || NfcAdapter.ACTION_NDEF_DISCOVERED.equals(action) 100 || Intent.ACTION_SEARCH.equals(action) 101 || MediaStore.INTENT_ACTION_MEDIA_SEARCH.equals(action) 102 || Intent.ACTION_WEB_SEARCH.equals(action) 103 || activateVoiceSearch) { 104 if (current.isInVoiceSearchMode()) { 105 String title = current.getVoiceDisplayTitle(); 106 if (title != null && title.equals(intent.getStringExtra( 107 SearchManager.QUERY))) { 108 // The user submitted the same search as the last voice 109 // search, so do nothing. 110 return; 111 } 112 if (Intent.ACTION_SEARCH.equals(action) 113 && current.voiceSearchSourceIsGoogle()) { 114 Intent logIntent = new Intent( 115 LoggingEvents.ACTION_LOG_EVENT); 116 logIntent.putExtra(LoggingEvents.EXTRA_EVENT, 117 LoggingEvents.VoiceSearch.QUERY_UPDATED); 118 logIntent.putExtra( 119 LoggingEvents.VoiceSearch.EXTRA_QUERY_UPDATED_VALUE, 120 intent.getDataString()); 121 mActivity.sendBroadcast(logIntent); 122 // Note, onPageStarted will revert the voice title bar 123 // When http://b/issue?id=2379215 is fixed, we should update 124 // the title bar here. 125 } 126 } 127 // If this was a search request (e.g. search query directly typed into the address bar), 128 // pass it on to the default web search provider. 129 if (handleWebSearchIntent(mActivity, mController, intent)) { 130 return; 131 } 132 133 UrlData urlData = getUrlDataFromIntent(intent); 134 if (urlData.isEmpty()) { 135 urlData = new UrlData(mSettings.getHomePage()); 136 } 137 138 if (intent.getBooleanExtra(Browser.EXTRA_CREATE_NEW_TAB, false) 139 || urlData.isPreloaded()) { 140 Tab t = mController.openTab(urlData); 141 return; 142 } 143 /* 144 * TODO: Don't allow javascript URIs 145 * 0) If this is a javascript: URI, *always* open a new tab 146 * 1) If this is a voice search, re-use tab for appId 147 * If there is no appId, use current tab 148 * 2) If the URL is already opened, switch to that tab 149 * 3-phone) Reuse tab with same appId 150 * 3-tablet) Open new tab 151 */ 152 final String appId = intent 153 .getStringExtra(Browser.EXTRA_APPLICATION_ID); 154 if (!TextUtils.isEmpty(urlData.mUrl) && 155 urlData.mUrl.startsWith("javascript:")) { 156 // Always open javascript: URIs in new tabs 157 mController.openTab(urlData); 158 return; 159 } 160 if ((Intent.ACTION_VIEW.equals(action) 161 // If a voice search has no appId, it means that it came 162 // from the browser. In that case, reuse the current tab. 163 || (activateVoiceSearch && appId != null)) 164 && !mActivity.getPackageName().equals(appId)) { 165 if (activateVoiceSearch || !BrowserActivity.isTablet(mActivity)) { 166 Tab appTab = mTabControl.getTabFromAppId(appId); 167 if (appTab != null) { 168 mController.reuseTab(appTab, urlData); 169 return; 170 } 171 } 172 // No matching application tab, try to find a regular tab 173 // with a matching url. 174 Tab appTab = mTabControl.findTabWithUrl(urlData.mUrl); 175 if (appTab != null) { 176 // Transfer ownership 177 appTab.setAppId(appId); 178 if (current != appTab) { 179 mController.switchToTab(appTab); 180 } 181 // Otherwise, we are already viewing the correct tab. 182 } else { 183 // if FLAG_ACTIVITY_BROUGHT_TO_FRONT flag is on, the url 184 // will be opened in a new tab unless we have reached 185 // MAX_TABS. Then the url will be opened in the current 186 // tab. If a new tab is created, it will have "true" for 187 // exit on close. 188 Tab tab = mController.openTab(urlData); 189 if (tab != null) { 190 tab.setAppId(appId); 191 if ((intent.getFlags() & Intent.FLAG_ACTIVITY_BROUGHT_TO_FRONT) != 0) { 192 tab.setCloseOnBack(true); 193 } 194 } 195 } 196 } else { 197 if (!urlData.isEmpty() 198 && urlData.mUrl.startsWith("about:debug")) { 199 if ("about:debug.dom".equals(urlData.mUrl)) { 200 current.getWebView().dumpDomTree(false); 201 } else if ("about:debug.dom.file".equals(urlData.mUrl)) { 202 current.getWebView().dumpDomTree(true); 203 } else if ("about:debug.render".equals(urlData.mUrl)) { 204 current.getWebView().dumpRenderTree(false); 205 } else if ("about:debug.render.file".equals(urlData.mUrl)) { 206 current.getWebView().dumpRenderTree(true); 207 } else if ("about:debug.display".equals(urlData.mUrl)) { 208 current.getWebView().dumpDisplayTree(); 209 } else if ("about:debug.nav".equals(urlData.mUrl)) { 210 current.getWebView().debugDump(); 211 } else { 212 mSettings.toggleDebugSettings(); 213 } 214 return; 215 } 216 // Get rid of the subwindow if it exists 217 mController.dismissSubWindow(current); 218 // If the current Tab is being used as an application tab, 219 // remove the association, since the new Intent means that it is 220 // no longer associated with that application. 221 current.setAppId(null); 222 mController.loadUrlDataIn(current, urlData); 223 } 224 } 225 } 226 227 protected static UrlData getUrlDataFromIntent(Intent intent) { 228 String url = ""; 229 Map<String, String> headers = null; 230 PreloadedTabControl preloaded = null; 231 String preloadedSearchBoxQuery = null; 232 if (intent != null 233 && (intent.getFlags() & Intent.FLAG_ACTIVITY_LAUNCHED_FROM_HISTORY) == 0) { 234 final String action = intent.getAction(); 235 if (Intent.ACTION_VIEW.equals(action) || 236 NfcAdapter.ACTION_NDEF_DISCOVERED.equals(action)) { 237 url = UrlUtils.smartUrlFilter(intent.getData()); 238 if (url != null && url.startsWith("http")) { 239 final Bundle pairs = intent 240 .getBundleExtra(Browser.EXTRA_HEADERS); 241 if (pairs != null && !pairs.isEmpty()) { 242 Iterator<String> iter = pairs.keySet().iterator(); 243 headers = new HashMap<String, String>(); 244 while (iter.hasNext()) { 245 String key = iter.next(); 246 headers.put(key, pairs.getString(key)); 247 } 248 } 249 } 250 if (intent.hasExtra(PreloadRequestReceiver.EXTRA_PRELOAD_ID)) { 251 String id = intent.getStringExtra(PreloadRequestReceiver.EXTRA_PRELOAD_ID); 252 preloadedSearchBoxQuery = intent.getStringExtra( 253 PreloadRequestReceiver.EXTRA_SEARCHBOX_SETQUERY); 254 preloaded = Preloader.getInstance().getPreloadedTab(id); 255 } 256 } else if (Intent.ACTION_SEARCH.equals(action) 257 || MediaStore.INTENT_ACTION_MEDIA_SEARCH.equals(action) 258 || Intent.ACTION_WEB_SEARCH.equals(action)) { 259 url = intent.getStringExtra(SearchManager.QUERY); 260 if (url != null) { 261 // In general, we shouldn't modify URL from Intent. 262 // But currently, we get the user-typed URL from search box as well. 263 url = UrlUtils.fixUrl(url); 264 url = UrlUtils.smartUrlFilter(url); 265 String searchSource = "&source=android-" + GOOGLE_SEARCH_SOURCE_SUGGEST + "&"; 266 if (url.contains(searchSource)) { 267 String source = null; 268 final Bundle appData = intent.getBundleExtra(SearchManager.APP_DATA); 269 if (appData != null) { 270 source = appData.getString(Search.SOURCE); 271 } 272 if (TextUtils.isEmpty(source)) { 273 source = GOOGLE_SEARCH_SOURCE_UNKNOWN; 274 } 275 url = url.replace(searchSource, "&source=android-"+source+"&"); 276 } 277 } 278 } 279 } 280 return new UrlData(url, headers, intent, preloaded, preloadedSearchBoxQuery); 281 } 282 283 /** 284 * Launches the default web search activity with the query parameters if the given intent's data 285 * are identified as plain search terms and not URLs/shortcuts. 286 * @return true if the intent was handled and web search activity was launched, false if not. 287 */ 288 static boolean handleWebSearchIntent(Activity activity, 289 Controller controller, Intent intent) { 290 if (intent == null) return false; 291 292 String url = null; 293 final String action = intent.getAction(); 294 if (RecognizerResultsIntent.ACTION_VOICE_SEARCH_RESULTS.equals( 295 action)) { 296 return false; 297 } 298 if (Intent.ACTION_VIEW.equals(action)) { 299 Uri data = intent.getData(); 300 if (data != null) url = data.toString(); 301 } else if (Intent.ACTION_SEARCH.equals(action) 302 || MediaStore.INTENT_ACTION_MEDIA_SEARCH.equals(action) 303 || Intent.ACTION_WEB_SEARCH.equals(action)) { 304 url = intent.getStringExtra(SearchManager.QUERY); 305 } 306 return handleWebSearchRequest(activity, controller, url, 307 intent.getBundleExtra(SearchManager.APP_DATA), 308 intent.getStringExtra(SearchManager.EXTRA_DATA_KEY)); 309 } 310 311 /** 312 * Launches the default web search activity with the query parameters if the given url string 313 * was identified as plain search terms and not URL/shortcut. 314 * @return true if the request was handled and web search activity was launched, false if not. 315 */ 316 private static boolean handleWebSearchRequest(Activity activity, 317 Controller controller, String inUrl, Bundle appData, 318 String extraData) { 319 if (inUrl == null) return false; 320 321 // In general, we shouldn't modify URL from Intent. 322 // But currently, we get the user-typed URL from search box as well. 323 String url = UrlUtils.fixUrl(inUrl).trim(); 324 if (TextUtils.isEmpty(url)) return false; 325 326 // URLs are handled by the regular flow of control, so 327 // return early. 328 if (Patterns.WEB_URL.matcher(url).matches() 329 || UrlUtils.ACCEPTED_URI_SCHEMA.matcher(url).matches()) { 330 return false; 331 } 332 333 final ContentResolver cr = activity.getContentResolver(); 334 final String newUrl = url; 335 if (controller == null || controller.getTabControl() == null 336 || controller.getTabControl().getCurrentWebView() == null 337 || !controller.getTabControl().getCurrentWebView() 338 .isPrivateBrowsingEnabled()) { 339 new AsyncTask<Void, Void, Void>() { 340 @Override 341 protected Void doInBackground(Void... unused) { 342 Browser.addSearchUrl(cr, newUrl); 343 return null; 344 } 345 }.execute(); 346 } 347 348 SearchEngine searchEngine = BrowserSettings.getInstance().getSearchEngine(); 349 if (searchEngine == null) return false; 350 searchEngine.startSearch(activity, url, appData, extraData); 351 352 return true; 353 } 354 355 /** 356 * A UrlData class to abstract how the content will be set to WebView. 357 * This base class uses loadUrl to show the content. 358 */ 359 static class UrlData { 360 final String mUrl; 361 final Map<String, String> mHeaders; 362 final Intent mVoiceIntent; 363 final PreloadedTabControl mPreloadedTab; 364 final String mSearchBoxQueryToSubmit; 365 366 UrlData(String url) { 367 this.mUrl = url; 368 this.mHeaders = null; 369 this.mVoiceIntent = null; 370 this.mPreloadedTab = null; 371 this.mSearchBoxQueryToSubmit = null; 372 } 373 374 UrlData(String url, Map<String, String> headers, Intent intent) { 375 this(url, headers, intent, null, null); 376 } 377 378 UrlData(String url, Map<String, String> headers, Intent intent, 379 PreloadedTabControl preloaded, String searchBoxQueryToSubmit) { 380 this.mUrl = url; 381 this.mHeaders = headers; 382 if (RecognizerResultsIntent.ACTION_VOICE_SEARCH_RESULTS 383 .equals(intent.getAction())) { 384 this.mVoiceIntent = intent; 385 } else { 386 this.mVoiceIntent = null; 387 } 388 this.mPreloadedTab = preloaded; 389 this.mSearchBoxQueryToSubmit = searchBoxQueryToSubmit; 390 } 391 392 boolean isEmpty() { 393 return mVoiceIntent == null && (mUrl == null || mUrl.length() == 0); 394 } 395 396 boolean isPreloaded() { 397 return mPreloadedTab != null; 398 } 399 400 PreloadedTabControl getPreloadedTab() { 401 return mPreloadedTab; 402 } 403 404 String getSearchBoxQueryToSubmit() { 405 return mSearchBoxQueryToSubmit; 406 } 407 } 408 409 } 410
