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.text.TextUtils; 32 import android.util.Patterns; 33 34 import com.android.browser.UI.ComboViews; 35 import com.android.browser.search.SearchEngine; 36 import com.android.common.Search; 37 38 import java.util.HashMap; 39 import java.util.Iterator; 40 import java.util.Map; 41 42 /** 43 * Handle all browser related intents 44 */ 45 public 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(ComboViews.Bookmarks); 88 return; 89 } 90 91 // In case the SearchDialog is open. 92 ((SearchManager) mActivity.getSystemService(Context.SEARCH_SERVICE)) 93 .stopSearch(); 94 if (Intent.ACTION_VIEW.equals(action) 95 || NfcAdapter.ACTION_NDEF_DISCOVERED.equals(action) 96 || Intent.ACTION_SEARCH.equals(action) 97 || MediaStore.INTENT_ACTION_MEDIA_SEARCH.equals(action) 98 || Intent.ACTION_WEB_SEARCH.equals(action)) { 99 // If this was a search request (e.g. search query directly typed into the address bar), 100 // pass it on to the default web search provider. 101 if (handleWebSearchIntent(mActivity, mController, intent)) { 102 return; 103 } 104 105 UrlData urlData = getUrlDataFromIntent(intent); 106 if (urlData.isEmpty()) { 107 urlData = new UrlData(mSettings.getHomePage()); 108 } 109 110 if (intent.getBooleanExtra(Browser.EXTRA_CREATE_NEW_TAB, false) 111 || urlData.isPreloaded()) { 112 Tab t = mController.openTab(urlData); 113 return; 114 } 115 /* 116 * TODO: Don't allow javascript URIs 117 * 0) If this is a javascript: URI, *always* open a new tab 118 * 1) If the URL is already opened, switch to that tab 119 * 2-phone) Reuse tab with same appId 120 * 2-tablet) Open new tab 121 */ 122 final String appId = intent 123 .getStringExtra(Browser.EXTRA_APPLICATION_ID); 124 if (!TextUtils.isEmpty(urlData.mUrl) && 125 urlData.mUrl.startsWith("javascript:")) { 126 // Always open javascript: URIs in new tabs 127 mController.openTab(urlData); 128 return; 129 } 130 if (Intent.ACTION_VIEW.equals(action) 131 && (appId != null) 132 && appId.startsWith(mActivity.getPackageName())) { 133 Tab appTab = mTabControl.getTabFromAppId(appId); 134 if ((appTab != null) && (appTab == mController.getCurrentTab())) { 135 mController.switchToTab(appTab); 136 mController.loadUrlDataIn(appTab, urlData); 137 return; 138 } 139 } 140 if (Intent.ACTION_VIEW.equals(action) 141 && !mActivity.getPackageName().equals(appId)) { 142 if (!BrowserActivity.isTablet(mActivity) 143 && !mSettings.allowAppTabs()) { 144 Tab appTab = mTabControl.getTabFromAppId(appId); 145 if (appTab != null) { 146 mController.reuseTab(appTab, urlData); 147 return; 148 } 149 } 150 // No matching application tab, try to find a regular tab 151 // with a matching url. 152 Tab appTab = mTabControl.findTabWithUrl(urlData.mUrl); 153 if (appTab != null) { 154 // Transfer ownership 155 appTab.setAppId(appId); 156 if (current != appTab) { 157 mController.switchToTab(appTab); 158 } 159 // Otherwise, we are already viewing the correct tab. 160 } else { 161 // if FLAG_ACTIVITY_BROUGHT_TO_FRONT flag is on, the url 162 // will be opened in a new tab unless we have reached 163 // MAX_TABS. Then the url will be opened in the current 164 // tab. If a new tab is created, it will have "true" for 165 // exit on close. 166 Tab tab = mController.openTab(urlData); 167 if (tab != null) { 168 tab.setAppId(appId); 169 if ((intent.getFlags() & Intent.FLAG_ACTIVITY_BROUGHT_TO_FRONT) != 0) { 170 tab.setCloseOnBack(true); 171 } 172 } 173 } 174 } else { 175 if (!urlData.isEmpty() 176 && urlData.mUrl.startsWith("about:debug")) { 177 if ("about:debug.dom".equals(urlData.mUrl)) { 178 current.getWebViewClassic().dumpDomTree(false); 179 } else if ("about:debug.dom.file".equals(urlData.mUrl)) { 180 current.getWebViewClassic().dumpDomTree(true); 181 } else if ("about:debug.render".equals(urlData.mUrl)) { 182 current.getWebViewClassic().dumpRenderTree(false); 183 } else if ("about:debug.render.file".equals(urlData.mUrl)) { 184 current.getWebViewClassic().dumpRenderTree(true); 185 } else if ("about:debug.display".equals(urlData.mUrl)) { 186 current.getWebViewClassic().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 static UrlData getUrlDataFromIntent(Intent intent) { 206 String url = ""; 207 Map<String, String> headers = null; 208 PreloadedTabControl preloaded = null; 209 String preloadedSearchBoxQuery = null; 210 if (intent != null 211 && (intent.getFlags() & Intent.FLAG_ACTIVITY_LAUNCHED_FROM_HISTORY) == 0) { 212 final String action = intent.getAction(); 213 if (Intent.ACTION_VIEW.equals(action) || 214 NfcAdapter.ACTION_NDEF_DISCOVERED.equals(action)) { 215 url = UrlUtils.smartUrlFilter(intent.getData()); 216 if (url != null && url.startsWith("http")) { 217 final Bundle pairs = intent 218 .getBundleExtra(Browser.EXTRA_HEADERS); 219 if (pairs != null && !pairs.isEmpty()) { 220 Iterator<String> iter = pairs.keySet().iterator(); 221 headers = new HashMap<String, String>(); 222 while (iter.hasNext()) { 223 String key = iter.next(); 224 headers.put(key, pairs.getString(key)); 225 } 226 } 227 } 228 if (intent.hasExtra(PreloadRequestReceiver.EXTRA_PRELOAD_ID)) { 229 String id = intent.getStringExtra(PreloadRequestReceiver.EXTRA_PRELOAD_ID); 230 preloadedSearchBoxQuery = intent.getStringExtra( 231 PreloadRequestReceiver.EXTRA_SEARCHBOX_SETQUERY); 232 preloaded = Preloader.getInstance().getPreloadedTab(id); 233 } 234 } else if (Intent.ACTION_SEARCH.equals(action) 235 || MediaStore.INTENT_ACTION_MEDIA_SEARCH.equals(action) 236 || Intent.ACTION_WEB_SEARCH.equals(action)) { 237 url = intent.getStringExtra(SearchManager.QUERY); 238 if (url != null) { 239 // In general, we shouldn't modify URL from Intent. 240 // But currently, we get the user-typed URL from search box as well. 241 url = UrlUtils.fixUrl(url); 242 url = UrlUtils.smartUrlFilter(url); 243 String searchSource = "&source=android-" + GOOGLE_SEARCH_SOURCE_SUGGEST + "&"; 244 if (url.contains(searchSource)) { 245 String source = null; 246 final Bundle appData = intent.getBundleExtra(SearchManager.APP_DATA); 247 if (appData != null) { 248 source = appData.getString(Search.SOURCE); 249 } 250 if (TextUtils.isEmpty(source)) { 251 source = GOOGLE_SEARCH_SOURCE_UNKNOWN; 252 } 253 url = url.replace(searchSource, "&source=android-"+source+"&"); 254 } 255 } 256 } 257 } 258 return new UrlData(url, headers, intent, preloaded, preloadedSearchBoxQuery); 259 } 260 261 /** 262 * Launches the default web search activity with the query parameters if the given intent's data 263 * are identified as plain search terms and not URLs/shortcuts. 264 * @return true if the intent was handled and web search activity was launched, false if not. 265 */ 266 static boolean handleWebSearchIntent(Activity activity, 267 Controller controller, Intent intent) { 268 if (intent == null) return false; 269 270 String url = null; 271 final String action = intent.getAction(); 272 if (Intent.ACTION_VIEW.equals(action)) { 273 Uri data = intent.getData(); 274 if (data != null) url = data.toString(); 275 } else if (Intent.ACTION_SEARCH.equals(action) 276 || MediaStore.INTENT_ACTION_MEDIA_SEARCH.equals(action) 277 || Intent.ACTION_WEB_SEARCH.equals(action)) { 278 url = intent.getStringExtra(SearchManager.QUERY); 279 } 280 return handleWebSearchRequest(activity, controller, url, 281 intent.getBundleExtra(SearchManager.APP_DATA), 282 intent.getStringExtra(SearchManager.EXTRA_DATA_KEY)); 283 } 284 285 /** 286 * Launches the default web search activity with the query parameters if the given url string 287 * was identified as plain search terms and not URL/shortcut. 288 * @return true if the request was handled and web search activity was launched, false if not. 289 */ 290 private static boolean handleWebSearchRequest(Activity activity, 291 Controller controller, String inUrl, Bundle appData, 292 String extraData) { 293 if (inUrl == null) return false; 294 295 // In general, we shouldn't modify URL from Intent. 296 // But currently, we get the user-typed URL from search box as well. 297 String url = UrlUtils.fixUrl(inUrl).trim(); 298 if (TextUtils.isEmpty(url)) return false; 299 300 // URLs are handled by the regular flow of control, so 301 // return early. 302 if (Patterns.WEB_URL.matcher(url).matches() 303 || UrlUtils.ACCEPTED_URI_SCHEMA.matcher(url).matches()) { 304 return false; 305 } 306 307 final ContentResolver cr = activity.getContentResolver(); 308 final String newUrl = url; 309 if (controller == null || controller.getTabControl() == null 310 || controller.getTabControl().getCurrentWebView() == null 311 || !controller.getTabControl().getCurrentWebView() 312 .isPrivateBrowsingEnabled()) { 313 new AsyncTask<Void, Void, Void>() { 314 @Override 315 protected Void doInBackground(Void... unused) { 316 Browser.addSearchUrl(cr, newUrl); 317 return null; 318 } 319 }.execute(); 320 } 321 322 SearchEngine searchEngine = BrowserSettings.getInstance().getSearchEngine(); 323 if (searchEngine == null) return false; 324 searchEngine.startSearch(activity, url, appData, extraData); 325 326 return true; 327 } 328 329 /** 330 * A UrlData class to abstract how the content will be set to WebView. 331 * This base class uses loadUrl to show the content. 332 */ 333 static class UrlData { 334 final String mUrl; 335 final Map<String, String> mHeaders; 336 final PreloadedTabControl mPreloadedTab; 337 final String mSearchBoxQueryToSubmit; 338 339 UrlData(String url) { 340 this.mUrl = url; 341 this.mHeaders = null; 342 this.mPreloadedTab = null; 343 this.mSearchBoxQueryToSubmit = null; 344 } 345 346 UrlData(String url, Map<String, String> headers, Intent intent) { 347 this(url, headers, intent, null, null); 348 } 349 350 UrlData(String url, Map<String, String> headers, Intent intent, 351 PreloadedTabControl preloaded, String searchBoxQueryToSubmit) { 352 this.mUrl = url; 353 this.mHeaders = headers; 354 this.mPreloadedTab = preloaded; 355 this.mSearchBoxQueryToSubmit = searchBoxQueryToSubmit; 356 } 357 358 boolean isEmpty() { 359 return (mUrl == null || mUrl.length() == 0); 360 } 361 362 boolean isPreloaded() { 363 return mPreloadedTab != null; 364 } 365 366 PreloadedTabControl getPreloadedTab() { 367 return mPreloadedTab; 368 } 369 370 String getSearchBoxQueryToSubmit() { 371 return mSearchBoxQueryToSubmit; 372 } 373 } 374 375 } 376
