IntentHandler.java revision 5ff5c8b88968fa794eab4b7a263cae25f05bd4d3
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.text.TextUtils; 32import android.util.Patterns; 33 34import com.android.browser.UI.ComboViews; 35import com.android.browser.search.SearchEngine; 36import com.android.common.Search; 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(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 Tab appTab = mTabControl.getTabFromAppId(appId); 144 if (appTab != null) { 145 mController.reuseTab(appTab, urlData); 146 return; 147 } 148 } 149 // No matching application tab, try to find a regular tab 150 // with a matching url. 151 Tab appTab = mTabControl.findTabWithUrl(urlData.mUrl); 152 if (appTab != null) { 153 // Transfer ownership 154 appTab.setAppId(appId); 155 if (current != appTab) { 156 mController.switchToTab(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 Tab tab = mController.openTab(urlData); 166 if (tab != null) { 167 tab.setAppId(appId); 168 if ((intent.getFlags() & Intent.FLAG_ACTIVITY_BROUGHT_TO_FRONT) != 0) { 169 tab.setCloseOnBack(true); 170 } 171 } 172 } 173 } else { 174 if (!urlData.isEmpty() 175 && urlData.mUrl.startsWith("about:debug")) { 176 if ("about:debug.dom".equals(urlData.mUrl)) { 177 current.getWebViewClassic().dumpDomTree(false); 178 } else if ("about:debug.dom.file".equals(urlData.mUrl)) { 179 current.getWebViewClassic().dumpDomTree(true); 180 } else if ("about:debug.render".equals(urlData.mUrl)) { 181 current.getWebViewClassic().dumpRenderTree(false); 182 } else if ("about:debug.render.file".equals(urlData.mUrl)) { 183 current.getWebViewClassic().dumpRenderTree(true); 184 } else if ("about:debug.display".equals(urlData.mUrl)) { 185 current.getWebViewClassic().dumpDisplayTree(); 186 } else if ("about:debug.nav".equals(urlData.mUrl)) { 187 current.getWebView().debugDump(); 188 } else { 189 mSettings.toggleDebugSettings(); 190 } 191 return; 192 } 193 // Get rid of the subwindow if it exists 194 mController.dismissSubWindow(current); 195 // If the current Tab is being used as an application tab, 196 // remove the association, since the new Intent means that it is 197 // no longer associated with that application. 198 current.setAppId(null); 199 mController.loadUrlDataIn(current, urlData); 200 } 201 } 202 } 203 204 protected static UrlData getUrlDataFromIntent(Intent intent) { 205 String url = ""; 206 Map<String, String> headers = null; 207 PreloadedTabControl preloaded = null; 208 String preloadedSearchBoxQuery = null; 209 if (intent != null 210 && (intent.getFlags() & Intent.FLAG_ACTIVITY_LAUNCHED_FROM_HISTORY) == 0) { 211 final String action = intent.getAction(); 212 if (Intent.ACTION_VIEW.equals(action) || 213 NfcAdapter.ACTION_NDEF_DISCOVERED.equals(action)) { 214 url = UrlUtils.smartUrlFilter(intent.getData()); 215 if (url != null && url.startsWith("http")) { 216 final Bundle pairs = intent 217 .getBundleExtra(Browser.EXTRA_HEADERS); 218 if (pairs != null && !pairs.isEmpty()) { 219 Iterator<String> iter = pairs.keySet().iterator(); 220 headers = new HashMap<String, String>(); 221 while (iter.hasNext()) { 222 String key = iter.next(); 223 headers.put(key, pairs.getString(key)); 224 } 225 } 226 } 227 if (intent.hasExtra(PreloadRequestReceiver.EXTRA_PRELOAD_ID)) { 228 String id = intent.getStringExtra(PreloadRequestReceiver.EXTRA_PRELOAD_ID); 229 preloadedSearchBoxQuery = intent.getStringExtra( 230 PreloadRequestReceiver.EXTRA_SEARCHBOX_SETQUERY); 231 preloaded = Preloader.getInstance().getPreloadedTab(id); 232 } 233 } else if (Intent.ACTION_SEARCH.equals(action) 234 || MediaStore.INTENT_ACTION_MEDIA_SEARCH.equals(action) 235 || Intent.ACTION_WEB_SEARCH.equals(action)) { 236 url = intent.getStringExtra(SearchManager.QUERY); 237 if (url != null) { 238 // In general, we shouldn't modify URL from Intent. 239 // But currently, we get the user-typed URL from search box as well. 240 url = UrlUtils.fixUrl(url); 241 url = UrlUtils.smartUrlFilter(url); 242 String searchSource = "&source=android-" + GOOGLE_SEARCH_SOURCE_SUGGEST + "&"; 243 if (url.contains(searchSource)) { 244 String source = null; 245 final Bundle appData = intent.getBundleExtra(SearchManager.APP_DATA); 246 if (appData != null) { 247 source = appData.getString(Search.SOURCE); 248 } 249 if (TextUtils.isEmpty(source)) { 250 source = GOOGLE_SEARCH_SOURCE_UNKNOWN; 251 } 252 url = url.replace(searchSource, "&source=android-"+source+"&"); 253 } 254 } 255 } 256 } 257 return new UrlData(url, headers, intent, preloaded, preloadedSearchBoxQuery); 258 } 259 260 /** 261 * Launches the default web search activity with the query parameters if the given intent's data 262 * are identified as plain search terms and not URLs/shortcuts. 263 * @return true if the intent was handled and web search activity was launched, false if not. 264 */ 265 static boolean handleWebSearchIntent(Activity activity, 266 Controller controller, Intent intent) { 267 if (intent == null) return false; 268 269 String url = null; 270 final String action = intent.getAction(); 271 if (Intent.ACTION_VIEW.equals(action)) { 272 Uri data = intent.getData(); 273 if (data != null) url = data.toString(); 274 } else if (Intent.ACTION_SEARCH.equals(action) 275 || MediaStore.INTENT_ACTION_MEDIA_SEARCH.equals(action) 276 || Intent.ACTION_WEB_SEARCH.equals(action)) { 277 url = intent.getStringExtra(SearchManager.QUERY); 278 } 279 return handleWebSearchRequest(activity, controller, url, 280 intent.getBundleExtra(SearchManager.APP_DATA), 281 intent.getStringExtra(SearchManager.EXTRA_DATA_KEY)); 282 } 283 284 /** 285 * Launches the default web search activity with the query parameters if the given url string 286 * was identified as plain search terms and not URL/shortcut. 287 * @return true if the request was handled and web search activity was launched, false if not. 288 */ 289 private static boolean handleWebSearchRequest(Activity activity, 290 Controller controller, String inUrl, Bundle appData, 291 String extraData) { 292 if (inUrl == null) return false; 293 294 // In general, we shouldn't modify URL from Intent. 295 // But currently, we get the user-typed URL from search box as well. 296 String url = UrlUtils.fixUrl(inUrl).trim(); 297 if (TextUtils.isEmpty(url)) return false; 298 299 // URLs are handled by the regular flow of control, so 300 // return early. 301 if (Patterns.WEB_URL.matcher(url).matches() 302 || UrlUtils.ACCEPTED_URI_SCHEMA.matcher(url).matches()) { 303 return false; 304 } 305 306 final ContentResolver cr = activity.getContentResolver(); 307 final String newUrl = url; 308 if (controller == null || controller.getTabControl() == null 309 || controller.getTabControl().getCurrentWebView() == null 310 || !controller.getTabControl().getCurrentWebView() 311 .isPrivateBrowsingEnabled()) { 312 new AsyncTask<Void, Void, Void>() { 313 @Override 314 protected Void doInBackground(Void... unused) { 315 Browser.addSearchUrl(cr, newUrl); 316 return null; 317 } 318 }.execute(); 319 } 320 321 SearchEngine searchEngine = BrowserSettings.getInstance().getSearchEngine(); 322 if (searchEngine == null) return false; 323 searchEngine.startSearch(activity, url, appData, extraData); 324 325 return true; 326 } 327 328 /** 329 * A UrlData class to abstract how the content will be set to WebView. 330 * This base class uses loadUrl to show the content. 331 */ 332 static class UrlData { 333 final String mUrl; 334 final Map<String, String> mHeaders; 335 final PreloadedTabControl mPreloadedTab; 336 final String mSearchBoxQueryToSubmit; 337 338 UrlData(String url) { 339 this.mUrl = url; 340 this.mHeaders = null; 341 this.mPreloadedTab = null; 342 this.mSearchBoxQueryToSubmit = null; 343 } 344 345 UrlData(String url, Map<String, String> headers, Intent intent) { 346 this(url, headers, intent, null, null); 347 } 348 349 UrlData(String url, Map<String, String> headers, Intent intent, 350 PreloadedTabControl preloaded, String searchBoxQueryToSubmit) { 351 this.mUrl = url; 352 this.mHeaders = headers; 353 this.mPreloadedTab = preloaded; 354 this.mSearchBoxQueryToSubmit = searchBoxQueryToSubmit; 355 } 356 357 boolean isEmpty() { 358 return (mUrl == null || mUrl.length() == 0); 359 } 360 361 boolean isPreloaded() { 362 return mPreloadedTab != null; 363 } 364 365 PreloadedTabControl getPreloadedTab() { 366 return mPreloadedTab; 367 } 368 369 String getSearchBoxQueryToSubmit() { 370 return mSearchBoxQueryToSubmit; 371 } 372 } 373 374} 375