IntentHandler.java revision e1cab10c8690fbafa7765271621cce2b3961b9e8
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 if (BrowserActivity.ACTION_SHOW_BROWSER.equals(action)) { 91 mController.removeComboView(); 92 return; 93 } 94 // In case the SearchDialog is open. 95 ((SearchManager) mActivity.getSystemService(Context.SEARCH_SERVICE)) 96 .stopSearch(); 97 boolean activateVoiceSearch = RecognizerResultsIntent 98 .ACTION_VOICE_SEARCH_RESULTS.equals(action); 99 if (Intent.ACTION_VIEW.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 final String appId = intent 139 .getStringExtra(Browser.EXTRA_APPLICATION_ID); 140 if ((Intent.ACTION_VIEW.equals(action) 141 // If a voice search has no appId, it means that it came 142 // from the browser. In that case, reuse the current tab. 143 || (activateVoiceSearch && appId != null)) 144 && !mActivity.getPackageName().equals(appId) 145 && (flags & Intent.FLAG_ACTIVITY_BROUGHT_TO_FRONT) != 0) { 146 Tab appTab = mTabControl.getTabFromId(appId); 147 if (appTab != null) { 148 mController.reuseTab(appTab, appId, urlData); 149 return; 150 } else { 151 // No matching application tab, try to find a regular tab 152 // with a matching url. 153 appTab = mTabControl.findUnusedTabWithUrl(urlData.mUrl); 154 if (appTab != null) { 155 if (current != appTab) { 156 mController.switchToTab(mTabControl.getTabIndex(appTab)); 157 } 158 // Otherwise, we are already viewing the correct tab. 159 } else { 160 // if FLAG_ACTIVITY_BROUGHT_TO_FRONT flag is on, the url 161 // will be opened in a new tab unless we have reached 162 // MAX_TABS. Then the url will be opened in the current 163 // tab. If a new tab is created, it will have "true" for 164 // exit on close. 165 mController.openTabAndShow(null, urlData, true, appId); 166 } 167 } 168 } else { 169 if (!urlData.isEmpty() 170 && urlData.mUrl.startsWith("about:debug")) { 171 if ("about:debug.dom".equals(urlData.mUrl)) { 172 current.getWebView().dumpDomTree(false); 173 } else if ("about:debug.dom.file".equals(urlData.mUrl)) { 174 current.getWebView().dumpDomTree(true); 175 } else if ("about:debug.render".equals(urlData.mUrl)) { 176 current.getWebView().dumpRenderTree(false); 177 } else if ("about:debug.render.file".equals(urlData.mUrl)) { 178 current.getWebView().dumpRenderTree(true); 179 } else if ("about:debug.display".equals(urlData.mUrl)) { 180 current.getWebView().dumpDisplayTree(); 181 } else { 182 mSettings.toggleDebugSettings(); 183 } 184 return; 185 } 186 // Get rid of the subwindow if it exists 187 mController.dismissSubWindow(current); 188 // If the current Tab is being used as an application tab, 189 // remove the association, since the new Intent means that it is 190 // no longer associated with that application. 191 current.setAppId(null); 192 mController.loadUrlDataIn(current, urlData); 193 } 194 } 195 } 196 197 protected UrlData getUrlDataFromIntent(Intent intent) { 198 String url = ""; 199 Map<String, String> headers = null; 200 if (intent != null 201 && (intent.getFlags() & Intent.FLAG_ACTIVITY_LAUNCHED_FROM_HISTORY) == 0) { 202 final String action = intent.getAction(); 203 if (Intent.ACTION_VIEW.equals(action)) { 204 url = UrlUtils.smartUrlFilter(intent.getData()); 205 if (url != null && url.startsWith("content:")) { 206 /* Append mimetype so webview knows how to display */ 207 String mimeType = intent.resolveType(mActivity.getContentResolver()); 208 if (mimeType != null) { 209 url += "?" + mimeType; 210 } 211 } 212 if (url != null && url.startsWith("http")) { 213 final Bundle pairs = intent 214 .getBundleExtra(Browser.EXTRA_HEADERS); 215 if (pairs != null && !pairs.isEmpty()) { 216 Iterator<String> iter = pairs.keySet().iterator(); 217 headers = new HashMap<String, String>(); 218 while (iter.hasNext()) { 219 String key = iter.next(); 220 headers.put(key, pairs.getString(key)); 221 } 222 } 223 } 224 } else if (Intent.ACTION_SEARCH.equals(action) 225 || MediaStore.INTENT_ACTION_MEDIA_SEARCH.equals(action) 226 || Intent.ACTION_WEB_SEARCH.equals(action)) { 227 url = intent.getStringExtra(SearchManager.QUERY); 228 if (url != null) { 229 // In general, we shouldn't modify URL from Intent. 230 // But currently, we get the user-typed URL from search box as well. 231 url = UrlUtils.fixUrl(url); 232 url = UrlUtils.smartUrlFilter(url); 233 String searchSource = "&source=android-" + GOOGLE_SEARCH_SOURCE_SUGGEST + "&"; 234 if (url.contains(searchSource)) { 235 String source = null; 236 final Bundle appData = intent.getBundleExtra(SearchManager.APP_DATA); 237 if (appData != null) { 238 source = appData.getString(Search.SOURCE); 239 } 240 if (TextUtils.isEmpty(source)) { 241 source = GOOGLE_SEARCH_SOURCE_UNKNOWN; 242 } 243 url = url.replace(searchSource, "&source=android-"+source+"&"); 244 } 245 } 246 } 247 } 248 return new UrlData(url, headers, intent); 249 } 250 251 /** 252 * Launches the default web search activity with the query parameters if the given intent's data 253 * are identified as plain search terms and not URLs/shortcuts. 254 * @return true if the intent was handled and web search activity was launched, false if not. 255 */ 256 static boolean handleWebSearchIntent(Activity activity, 257 Controller controller, Intent intent) { 258 if (intent == null) return false; 259 260 String url = null; 261 final String action = intent.getAction(); 262 if (RecognizerResultsIntent.ACTION_VOICE_SEARCH_RESULTS.equals( 263 action)) { 264 return false; 265 } 266 if (Intent.ACTION_VIEW.equals(action)) { 267 Uri data = intent.getData(); 268 if (data != null) url = data.toString(); 269 } else if (Intent.ACTION_SEARCH.equals(action) 270 || MediaStore.INTENT_ACTION_MEDIA_SEARCH.equals(action) 271 || Intent.ACTION_WEB_SEARCH.equals(action)) { 272 url = intent.getStringExtra(SearchManager.QUERY); 273 } 274 return handleWebSearchRequest(activity, controller, url, 275 intent.getBundleExtra(SearchManager.APP_DATA), 276 intent.getStringExtra(SearchManager.EXTRA_DATA_KEY)); 277 } 278 279 /** 280 * Launches the default web search activity with the query parameters if the given url string 281 * was identified as plain search terms and not URL/shortcut. 282 * @return true if the request was handled and web search activity was launched, false if not. 283 */ 284 private static boolean handleWebSearchRequest(Activity activity, 285 Controller controller, String inUrl, Bundle appData, 286 String extraData) { 287 if (inUrl == null) return false; 288 289 // In general, we shouldn't modify URL from Intent. 290 // But currently, we get the user-typed URL from search box as well. 291 String url = UrlUtils.fixUrl(inUrl).trim(); 292 if (TextUtils.isEmpty(url)) return false; 293 294 // URLs are handled by the regular flow of control, so 295 // return early. 296 if (Patterns.WEB_URL.matcher(url).matches() 297 || UrlUtils.ACCEPTED_URI_SCHEMA.matcher(url).matches()) { 298 return false; 299 } 300 301 final ContentResolver cr = activity.getContentResolver(); 302 final String newUrl = url; 303 if (controller == null || controller.getTabControl() == null 304 || controller.getTabControl().getCurrentWebView() == null 305 || !controller.getTabControl().getCurrentWebView() 306 .isPrivateBrowsingEnabled()) { 307 new AsyncTask<Void, Void, Void>() { 308 @Override 309 protected Void doInBackground(Void... unused) { 310 Browser.addSearchUrl(cr, newUrl); 311 return null; 312 } 313 }.execute(); 314 } 315 316 SearchEngine searchEngine = BrowserSettings.getInstance().getSearchEngine(); 317 if (searchEngine == null) return false; 318 searchEngine.startSearch(activity, url, appData, extraData); 319 320 return true; 321 } 322 323 /** 324 * A UrlData class to abstract how the content will be set to WebView. 325 * This base class uses loadUrl to show the content. 326 */ 327 static class UrlData { 328 final String mUrl; 329 final Map<String, String> mHeaders; 330 final Intent mVoiceIntent; 331 332 UrlData(String url) { 333 this.mUrl = url; 334 this.mHeaders = null; 335 this.mVoiceIntent = null; 336 } 337 338 UrlData(String url, Map<String, String> headers, Intent intent) { 339 this.mUrl = url; 340 this.mHeaders = headers; 341 if (RecognizerResultsIntent.ACTION_VOICE_SEARCH_RESULTS 342 .equals(intent.getAction())) { 343 this.mVoiceIntent = intent; 344 } else { 345 this.mVoiceIntent = null; 346 } 347 } 348 349 boolean isEmpty() { 350 return mVoiceIntent == null && (mUrl == null || mUrl.length() == 0); 351 } 352 353 /** 354 * Load this UrlData into the given Tab. Use loadUrlDataIn to update 355 * the title bar as well. 356 */ 357 public void loadIn(Tab t) { 358 if (mVoiceIntent != null) { 359 t.activateVoiceSearchMode(mVoiceIntent); 360 } else { 361 t.getWebView().loadUrl(mUrl, mHeaders); 362 } 363 } 364 } 365 366} 367