IntentHandler.java revision f1286a455eeacd02dfcca1335e6a7a9f87433c1b
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 android.app.Activity; 21import android.app.SearchManager; 22import android.content.ContentResolver; 23import android.content.Context; 24import android.content.Intent; 25import android.net.Uri; 26import android.nfc.NfcAdapter; 27import android.os.AsyncTask; 28import android.os.Bundle; 29import android.provider.Browser; 30import android.provider.MediaStore; 31import android.speech.RecognizerResultsIntent; 32import android.text.TextUtils; 33import android.util.Patterns; 34 35import com.android.browser.UI.ComboViews; 36import com.android.browser.search.SearchEngine; 37import com.android.common.Search; 38import com.android.common.speech.LoggingEvents; 39 40import java.util.HashMap; 41import java.util.Iterator; 42import java.util.Map; 43 44/** 45 * Handle all browser related intents 46 */ 47public 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 && (appId != null) 162 && appId.startsWith(mActivity.getPackageName())) { 163 Tab appTab = mTabControl.getTabFromAppId(appId); 164 if ((appTab != null) && (appTab == mController.getCurrentTab())) { 165 mController.switchToTab(appTab); 166 mController.loadUrlDataIn(appTab, urlData); 167 return; 168 } 169 } 170 if ((Intent.ACTION_VIEW.equals(action) 171 // If a voice search has no appId, it means that it came 172 // from the browser. In that case, reuse the current tab. 173 || (activateVoiceSearch && appId != null)) 174 && !mActivity.getPackageName().equals(appId)) { 175 if (activateVoiceSearch || !BrowserActivity.isTablet(mActivity)) { 176 Tab appTab = mTabControl.getTabFromAppId(appId); 177 if (appTab != null) { 178 mController.reuseTab(appTab, urlData); 179 return; 180 } 181 } 182 // No matching application tab, try to find a regular tab 183 // with a matching url. 184 Tab appTab = mTabControl.findTabWithUrl(urlData.mUrl); 185 if (appTab != null) { 186 // Transfer ownership 187 appTab.setAppId(appId); 188 if (current != appTab) { 189 mController.switchToTab(appTab); 190 } 191 // Otherwise, we are already viewing the correct tab. 192 } else { 193 // if FLAG_ACTIVITY_BROUGHT_TO_FRONT flag is on, the url 194 // will be opened in a new tab unless we have reached 195 // MAX_TABS. Then the url will be opened in the current 196 // tab. If a new tab is created, it will have "true" for 197 // exit on close. 198 Tab tab = mController.openTab(urlData); 199 if (tab != null) { 200 tab.setAppId(appId); 201 if ((intent.getFlags() & Intent.FLAG_ACTIVITY_BROUGHT_TO_FRONT) != 0) { 202 tab.setCloseOnBack(true); 203 } 204 } 205 } 206 } else { 207 if (!urlData.isEmpty() 208 && urlData.mUrl.startsWith("about:debug")) { 209 if ("about:debug.dom".equals(urlData.mUrl)) { 210 current.getWebViewClassic().dumpDomTree(false); 211 } else if ("about:debug.dom.file".equals(urlData.mUrl)) { 212 current.getWebViewClassic().dumpDomTree(true); 213 } else if ("about:debug.render".equals(urlData.mUrl)) { 214 current.getWebViewClassic().dumpRenderTree(false); 215 } else if ("about:debug.render.file".equals(urlData.mUrl)) { 216 current.getWebViewClassic().dumpRenderTree(true); 217 } else if ("about:debug.display".equals(urlData.mUrl)) { 218 current.getWebViewClassic().dumpDisplayTree(); 219 } else if ("about:debug.nav".equals(urlData.mUrl)) { 220 current.getWebView().debugDump(); 221 } else { 222 mSettings.toggleDebugSettings(); 223 } 224 return; 225 } 226 // Get rid of the subwindow if it exists 227 mController.dismissSubWindow(current); 228 // If the current Tab is being used as an application tab, 229 // remove the association, since the new Intent means that it is 230 // no longer associated with that application. 231 current.setAppId(null); 232 mController.loadUrlDataIn(current, urlData); 233 } 234 } 235 } 236 237 protected static UrlData getUrlDataFromIntent(Intent intent) { 238 String url = ""; 239 Map<String, String> headers = null; 240 PreloadedTabControl preloaded = null; 241 String preloadedSearchBoxQuery = null; 242 if (intent != null 243 && (intent.getFlags() & Intent.FLAG_ACTIVITY_LAUNCHED_FROM_HISTORY) == 0) { 244 final String action = intent.getAction(); 245 if (Intent.ACTION_VIEW.equals(action) || 246 NfcAdapter.ACTION_NDEF_DISCOVERED.equals(action)) { 247 url = UrlUtils.smartUrlFilter(intent.getData()); 248 if (url != null && url.startsWith("http")) { 249 final Bundle pairs = intent 250 .getBundleExtra(Browser.EXTRA_HEADERS); 251 if (pairs != null && !pairs.isEmpty()) { 252 Iterator<String> iter = pairs.keySet().iterator(); 253 headers = new HashMap<String, String>(); 254 while (iter.hasNext()) { 255 String key = iter.next(); 256 headers.put(key, pairs.getString(key)); 257 } 258 } 259 } 260 if (intent.hasExtra(PreloadRequestReceiver.EXTRA_PRELOAD_ID)) { 261 String id = intent.getStringExtra(PreloadRequestReceiver.EXTRA_PRELOAD_ID); 262 preloadedSearchBoxQuery = intent.getStringExtra( 263 PreloadRequestReceiver.EXTRA_SEARCHBOX_SETQUERY); 264 preloaded = Preloader.getInstance().getPreloadedTab(id); 265 } 266 } else if (Intent.ACTION_SEARCH.equals(action) 267 || MediaStore.INTENT_ACTION_MEDIA_SEARCH.equals(action) 268 || Intent.ACTION_WEB_SEARCH.equals(action)) { 269 url = intent.getStringExtra(SearchManager.QUERY); 270 if (url != null) { 271 // In general, we shouldn't modify URL from Intent. 272 // But currently, we get the user-typed URL from search box as well. 273 url = UrlUtils.fixUrl(url); 274 url = UrlUtils.smartUrlFilter(url); 275 String searchSource = "&source=android-" + GOOGLE_SEARCH_SOURCE_SUGGEST + "&"; 276 if (url.contains(searchSource)) { 277 String source = null; 278 final Bundle appData = intent.getBundleExtra(SearchManager.APP_DATA); 279 if (appData != null) { 280 source = appData.getString(Search.SOURCE); 281 } 282 if (TextUtils.isEmpty(source)) { 283 source = GOOGLE_SEARCH_SOURCE_UNKNOWN; 284 } 285 url = url.replace(searchSource, "&source=android-"+source+"&"); 286 } 287 } 288 } 289 } 290 return new UrlData(url, headers, intent, preloaded, preloadedSearchBoxQuery); 291 } 292 293 /** 294 * Launches the default web search activity with the query parameters if the given intent's data 295 * are identified as plain search terms and not URLs/shortcuts. 296 * @return true if the intent was handled and web search activity was launched, false if not. 297 */ 298 static boolean handleWebSearchIntent(Activity activity, 299 Controller controller, Intent intent) { 300 if (intent == null) return false; 301 302 String url = null; 303 final String action = intent.getAction(); 304 if (RecognizerResultsIntent.ACTION_VOICE_SEARCH_RESULTS.equals( 305 action)) { 306 return false; 307 } 308 if (Intent.ACTION_VIEW.equals(action)) { 309 Uri data = intent.getData(); 310 if (data != null) url = data.toString(); 311 } else if (Intent.ACTION_SEARCH.equals(action) 312 || MediaStore.INTENT_ACTION_MEDIA_SEARCH.equals(action) 313 || Intent.ACTION_WEB_SEARCH.equals(action)) { 314 url = intent.getStringExtra(SearchManager.QUERY); 315 } 316 return handleWebSearchRequest(activity, controller, url, 317 intent.getBundleExtra(SearchManager.APP_DATA), 318 intent.getStringExtra(SearchManager.EXTRA_DATA_KEY)); 319 } 320 321 /** 322 * Launches the default web search activity with the query parameters if the given url string 323 * was identified as plain search terms and not URL/shortcut. 324 * @return true if the request was handled and web search activity was launched, false if not. 325 */ 326 private static boolean handleWebSearchRequest(Activity activity, 327 Controller controller, String inUrl, Bundle appData, 328 String extraData) { 329 if (inUrl == null) return false; 330 331 // In general, we shouldn't modify URL from Intent. 332 // But currently, we get the user-typed URL from search box as well. 333 String url = UrlUtils.fixUrl(inUrl).trim(); 334 if (TextUtils.isEmpty(url)) return false; 335 336 // URLs are handled by the regular flow of control, so 337 // return early. 338 if (Patterns.WEB_URL.matcher(url).matches() 339 || UrlUtils.ACCEPTED_URI_SCHEMA.matcher(url).matches()) { 340 return false; 341 } 342 343 final ContentResolver cr = activity.getContentResolver(); 344 final String newUrl = url; 345 if (controller == null || controller.getTabControl() == null 346 || controller.getTabControl().getCurrentWebView() == null 347 || !controller.getTabControl().getCurrentWebView() 348 .isPrivateBrowsingEnabled()) { 349 new AsyncTask<Void, Void, Void>() { 350 @Override 351 protected Void doInBackground(Void... unused) { 352 Browser.addSearchUrl(cr, newUrl); 353 return null; 354 } 355 }.execute(); 356 } 357 358 SearchEngine searchEngine = BrowserSettings.getInstance().getSearchEngine(); 359 if (searchEngine == null) return false; 360 searchEngine.startSearch(activity, url, appData, extraData); 361 362 return true; 363 } 364 365 /** 366 * A UrlData class to abstract how the content will be set to WebView. 367 * This base class uses loadUrl to show the content. 368 */ 369 static class UrlData { 370 final String mUrl; 371 final Map<String, String> mHeaders; 372 final Intent mVoiceIntent; 373 final PreloadedTabControl mPreloadedTab; 374 final String mSearchBoxQueryToSubmit; 375 376 UrlData(String url) { 377 this.mUrl = url; 378 this.mHeaders = null; 379 this.mVoiceIntent = null; 380 this.mPreloadedTab = null; 381 this.mSearchBoxQueryToSubmit = null; 382 } 383 384 UrlData(String url, Map<String, String> headers, Intent intent) { 385 this(url, headers, intent, null, null); 386 } 387 388 UrlData(String url, Map<String, String> headers, Intent intent, 389 PreloadedTabControl preloaded, String searchBoxQueryToSubmit) { 390 this.mUrl = url; 391 this.mHeaders = headers; 392 if (RecognizerResultsIntent.ACTION_VOICE_SEARCH_RESULTS 393 .equals(intent.getAction())) { 394 this.mVoiceIntent = intent; 395 } else { 396 this.mVoiceIntent = null; 397 } 398 this.mPreloadedTab = preloaded; 399 this.mSearchBoxQueryToSubmit = searchBoxQueryToSubmit; 400 } 401 402 boolean isEmpty() { 403 return mVoiceIntent == null && (mUrl == null || mUrl.length() == 0); 404 } 405 406 boolean isPreloaded() { 407 return mPreloadedTab != null; 408 } 409 410 PreloadedTabControl getPreloadedTab() { 411 return mPreloadedTab; 412 } 413 414 String getSearchBoxQueryToSubmit() { 415 return mSearchBoxQueryToSubmit; 416 } 417 } 418 419} 420