IntentHandler.java revision 30c714c853a4239e72ab1e238ce2a92472d06ab0
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 final String action = intent.getAction(); 202 if (Intent.ACTION_VIEW.equals(action)) { 203 url = UrlUtils.smartUrlFilter(intent.getData()); 204 if (url != null && url.startsWith("content:")) { 205 /* Append mimetype so webview knows how to display */ 206 String mimeType = intent.resolveType(mActivity.getContentResolver()); 207 if (mimeType != null) { 208 url += "?" + mimeType; 209 } 210 } 211 if (url != null && url.startsWith("http")) { 212 final Bundle pairs = intent 213 .getBundleExtra(Browser.EXTRA_HEADERS); 214 if (pairs != null && !pairs.isEmpty()) { 215 Iterator<String> iter = pairs.keySet().iterator(); 216 headers = new HashMap<String, String>(); 217 while (iter.hasNext()) { 218 String key = iter.next(); 219 headers.put(key, pairs.getString(key)); 220 } 221 } 222 } 223 } else if (Intent.ACTION_SEARCH.equals(action) 224 || MediaStore.INTENT_ACTION_MEDIA_SEARCH.equals(action) 225 || Intent.ACTION_WEB_SEARCH.equals(action)) { 226 url = intent.getStringExtra(SearchManager.QUERY); 227 if (url != null) { 228 // In general, we shouldn't modify URL from Intent. 229 // But currently, we get the user-typed URL from search box as well. 230 url = UrlUtils.fixUrl(url); 231 url = UrlUtils.smartUrlFilter(url); 232 String searchSource = "&source=android-" + GOOGLE_SEARCH_SOURCE_SUGGEST + "&"; 233 if (url.contains(searchSource)) { 234 String source = null; 235 final Bundle appData = intent.getBundleExtra(SearchManager.APP_DATA); 236 if (appData != null) { 237 source = appData.getString(Search.SOURCE); 238 } 239 if (TextUtils.isEmpty(source)) { 240 source = GOOGLE_SEARCH_SOURCE_UNKNOWN; 241 } 242 url = url.replace(searchSource, "&source=android-"+source+"&"); 243 } 244 } 245 } 246 } 247 return new UrlData(url, headers, intent); 248 } 249 250 /** 251 * Launches the default web search activity with the query parameters if the given intent's data 252 * are identified as plain search terms and not URLs/shortcuts. 253 * @return true if the intent was handled and web search activity was launched, false if not. 254 */ 255 static boolean handleWebSearchIntent(Activity activity, 256 Controller controller, Intent intent) { 257 if (intent == null) return false; 258 259 String url = null; 260 final String action = intent.getAction(); 261 if (RecognizerResultsIntent.ACTION_VOICE_SEARCH_RESULTS.equals( 262 action)) { 263 return false; 264 } 265 if (Intent.ACTION_VIEW.equals(action)) { 266 Uri data = intent.getData(); 267 if (data != null) url = data.toString(); 268 } else if (Intent.ACTION_SEARCH.equals(action) 269 || MediaStore.INTENT_ACTION_MEDIA_SEARCH.equals(action) 270 || Intent.ACTION_WEB_SEARCH.equals(action)) { 271 url = intent.getStringExtra(SearchManager.QUERY); 272 } 273 return handleWebSearchRequest(activity, controller, url, 274 intent.getBundleExtra(SearchManager.APP_DATA), 275 intent.getStringExtra(SearchManager.EXTRA_DATA_KEY)); 276 } 277 278 /** 279 * Launches the default web search activity with the query parameters if the given url string 280 * was identified as plain search terms and not URL/shortcut. 281 * @return true if the request was handled and web search activity was launched, false if not. 282 */ 283 private static boolean handleWebSearchRequest(Activity activity, 284 Controller controller, String inUrl, Bundle appData, 285 String extraData) { 286 if (TextUtils.isEmpty(inUrl)) return false; 287 288 // In general, we shouldn't modify URL from Intent. 289 // But currently, we get the user-typed URL from search box as well. 290 String url = UrlUtils.fixUrl(inUrl).trim(); 291 292 // URLs are handled by the regular flow of control, so 293 // return early. 294 if (Patterns.WEB_URL.matcher(url).matches() 295 || UrlUtils.ACCEPTED_URI_SCHEMA.matcher(url).matches()) { 296 return false; 297 } 298 299 final ContentResolver cr = activity.getContentResolver(); 300 final String newUrl = url; 301 if (controller == null || controller.getTabControl() == null 302 || controller.getTabControl().getCurrentWebView() == null 303 || !controller.getTabControl().getCurrentWebView() 304 .isPrivateBrowsingEnabled()) { 305 new AsyncTask<Void, Void, Void>() { 306 @Override 307 protected Void doInBackground(Void... unused) { 308 Browser.addSearchUrl(cr, newUrl); 309 return null; 310 } 311 }.execute(); 312 } 313 314 SearchEngine searchEngine = BrowserSettings.getInstance().getSearchEngine(); 315 if (searchEngine == null) return false; 316 searchEngine.startSearch(activity, url, appData, extraData); 317 318 return true; 319 } 320 321 /** 322 * A UrlData class to abstract how the content will be set to WebView. 323 * This base class uses loadUrl to show the content. 324 */ 325 static class UrlData { 326 final String mUrl; 327 final Map<String, String> mHeaders; 328 final Intent mVoiceIntent; 329 330 UrlData(String url) { 331 this.mUrl = url; 332 this.mHeaders = null; 333 this.mVoiceIntent = null; 334 } 335 336 UrlData(String url, Map<String, String> headers, Intent intent) { 337 this.mUrl = url; 338 this.mHeaders = headers; 339 if (RecognizerResultsIntent.ACTION_VOICE_SEARCH_RESULTS 340 .equals(intent.getAction())) { 341 this.mVoiceIntent = intent; 342 } else { 343 this.mVoiceIntent = null; 344 } 345 } 346 347 boolean isEmpty() { 348 return mVoiceIntent == null && (mUrl == null || mUrl.length() == 0); 349 } 350 351 /** 352 * Load this UrlData into the given Tab. Use loadUrlDataIn to update 353 * the title bar as well. 354 */ 355 public void loadIn(Tab t) { 356 if (mVoiceIntent != null) { 357 t.activateVoiceSearchMode(mVoiceIntent); 358 } else { 359 t.getWebView().loadUrl(mUrl, mHeaders); 360 } 361 } 362 } 363 364} 365