The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2006 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 | package android.webkit; |
| 18 | |
Grace Kloba | 1184313 | 2009-10-08 20:48:09 -0700 | [diff] [blame] | 19 | import android.app.ActivityManager; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 20 | import android.content.Context; |
| 21 | import android.content.res.AssetManager; |
Leon Scroggins | 70ca3c2 | 2009-10-02 15:58:55 -0400 | [diff] [blame] | 22 | import android.database.Cursor; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 23 | import android.graphics.Bitmap; |
| 24 | import android.net.ParseException; |
Leon Scroggins | 70ca3c2 | 2009-10-02 15:58:55 -0400 | [diff] [blame] | 25 | import android.net.Uri; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 26 | import android.net.WebAddress; |
| 27 | import android.net.http.SslCertificate; |
| 28 | import android.os.Handler; |
| 29 | import android.os.Message; |
Leon Scroggins | 70ca3c2 | 2009-10-02 15:58:55 -0400 | [diff] [blame] | 30 | import android.provider.OpenableColumns; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 31 | import android.util.Log; |
| 32 | import android.util.TypedValue; |
Patrick Scott | f06364b | 2009-12-02 08:57:09 -0500 | [diff] [blame] | 33 | import android.view.Surface; |
| 34 | import android.view.WindowOrientationListener; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 35 | |
| 36 | import junit.framework.Assert; |
| 37 | |
Leon Scroggins | 70ca3c2 | 2009-10-02 15:58:55 -0400 | [diff] [blame] | 38 | import java.io.InputStream; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 39 | import java.net.URLEncoder; |
| 40 | import java.util.HashMap; |
Andrei Popescu | 4950b2b | 2009-09-03 13:56:07 +0100 | [diff] [blame] | 41 | import java.util.Map; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 42 | import java.util.Iterator; |
| 43 | |
| 44 | class BrowserFrame extends Handler { |
| 45 | |
| 46 | private static final String LOGTAG = "webkit"; |
| 47 | |
| 48 | /** |
| 49 | * Cap the number of LoadListeners that will be instantiated, so |
| 50 | * we don't blow the GREF count. Attempting to queue more than |
| 51 | * this many requests will prompt an error() callback on the |
| 52 | * request's LoadListener |
| 53 | */ |
| 54 | private final static int MAX_OUTSTANDING_REQUESTS = 300; |
| 55 | |
| 56 | private final CallbackProxy mCallbackProxy; |
| 57 | private final WebSettings mSettings; |
| 58 | private final Context mContext; |
| 59 | private final WebViewDatabase mDatabase; |
| 60 | private final WebViewCore mWebViewCore; |
| 61 | /* package */ boolean mLoadInitFromJava; |
| 62 | private int mLoadType; |
| 63 | private boolean mFirstLayoutDone = true; |
| 64 | private boolean mCommitted = true; |
Leon Clarke | c0b778e | 2010-03-15 15:27:02 +0000 | [diff] [blame] | 65 | // Flag for blocking messages. This is used during destroy() so |
| 66 | // that if the UI thread posts any messages after the message |
| 67 | // queue has been cleared,they are ignored. |
| 68 | private boolean mBlockMessages = false; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 69 | |
| 70 | // Is this frame the main frame? |
| 71 | private boolean mIsMainFrame; |
| 72 | |
| 73 | // Attached Javascript interfaces |
Andrei Popescu | 4950b2b | 2009-09-03 13:56:07 +0100 | [diff] [blame] | 74 | private Map<String, Object> mJSInterfaceMap; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 75 | |
Patrick Scott | f06364b | 2009-12-02 08:57:09 -0500 | [diff] [blame] | 76 | // Orientation listener |
| 77 | private WindowOrientationListener mOrientationListener; |
| 78 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 79 | // message ids |
| 80 | // a message posted when a frame loading is completed |
| 81 | static final int FRAME_COMPLETED = 1001; |
Patrick Scott | f06364b | 2009-12-02 08:57:09 -0500 | [diff] [blame] | 82 | // orientation change message |
| 83 | static final int ORIENTATION_CHANGED = 1002; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 84 | // a message posted when the user decides the policy |
| 85 | static final int POLICY_FUNCTION = 1003; |
| 86 | |
| 87 | // Note: need to keep these in sync with FrameLoaderTypes.h in native |
| 88 | static final int FRAME_LOADTYPE_STANDARD = 0; |
| 89 | static final int FRAME_LOADTYPE_BACK = 1; |
| 90 | static final int FRAME_LOADTYPE_FORWARD = 2; |
| 91 | static final int FRAME_LOADTYPE_INDEXEDBACKFORWARD = 3; |
| 92 | static final int FRAME_LOADTYPE_RELOAD = 4; |
| 93 | static final int FRAME_LOADTYPE_RELOADALLOWINGSTALEDATA = 5; |
| 94 | static final int FRAME_LOADTYPE_SAME = 6; |
| 95 | static final int FRAME_LOADTYPE_REDIRECT = 7; |
| 96 | static final int FRAME_LOADTYPE_REPLACE = 8; |
| 97 | |
| 98 | // A progress threshold to switch from history Picture to live Picture |
| 99 | private static final int TRANSITION_SWITCH_THRESHOLD = 75; |
| 100 | |
| 101 | // This is a field accessed by native code as well as package classes. |
| 102 | /*package*/ int mNativeFrame; |
| 103 | |
| 104 | // Static instance of a JWebCoreJavaBridge to handle timer and cookie |
| 105 | // requests from WebCore. |
| 106 | static JWebCoreJavaBridge sJavaBridge; |
| 107 | |
| 108 | /** |
| 109 | * Create a new BrowserFrame to be used in an application. |
| 110 | * @param context An application context to use when retrieving assets. |
| 111 | * @param w A WebViewCore used as the view for this frame. |
| 112 | * @param proxy A CallbackProxy for posting messages to the UI thread and |
| 113 | * querying a client for information. |
| 114 | * @param settings A WebSettings object that holds all settings. |
| 115 | * XXX: Called by WebCore thread. |
| 116 | */ |
| 117 | public BrowserFrame(Context context, WebViewCore w, CallbackProxy proxy, |
Andrei Popescu | 4950b2b | 2009-09-03 13:56:07 +0100 | [diff] [blame] | 118 | WebSettings settings, Map<String, Object> javascriptInterfaces) { |
Romain Guy | 01d0fbf | 2009-12-01 14:52:19 -0800 | [diff] [blame] | 119 | |
| 120 | Context appContext = context.getApplicationContext(); |
| 121 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 122 | // Create a global JWebCoreJavaBridge to handle timers and |
| 123 | // cookies in the WebCore thread. |
| 124 | if (sJavaBridge == null) { |
Romain Guy | 01d0fbf | 2009-12-01 14:52:19 -0800 | [diff] [blame] | 125 | sJavaBridge = new JWebCoreJavaBridge(appContext); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 126 | // set WebCore native cache size |
Grace Kloba | 1184313 | 2009-10-08 20:48:09 -0700 | [diff] [blame] | 127 | ActivityManager am = (ActivityManager) context |
| 128 | .getSystemService(Context.ACTIVITY_SERVICE); |
| 129 | if (am.getMemoryClass() > 16) { |
| 130 | sJavaBridge.setCacheSize(8 * 1024 * 1024); |
| 131 | } else { |
| 132 | sJavaBridge.setCacheSize(4 * 1024 * 1024); |
| 133 | } |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 134 | // initialize CacheManager |
Romain Guy | 01d0fbf | 2009-12-01 14:52:19 -0800 | [diff] [blame] | 135 | CacheManager.init(appContext); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 136 | // create CookieSyncManager with current Context |
Romain Guy | 01d0fbf | 2009-12-01 14:52:19 -0800 | [diff] [blame] | 137 | CookieSyncManager.createInstance(appContext); |
Grace Kloba | 658ab7d | 2009-05-14 14:45:26 -0700 | [diff] [blame] | 138 | // create PluginManager with current Context |
Romain Guy | 01d0fbf | 2009-12-01 14:52:19 -0800 | [diff] [blame] | 139 | PluginManager.getInstance(appContext); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 140 | } |
Andrei Popescu | 4950b2b | 2009-09-03 13:56:07 +0100 | [diff] [blame] | 141 | mJSInterfaceMap = javascriptInterfaces; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 142 | |
| 143 | mSettings = settings; |
| 144 | mContext = context; |
| 145 | mCallbackProxy = proxy; |
Romain Guy | 01d0fbf | 2009-12-01 14:52:19 -0800 | [diff] [blame] | 146 | mDatabase = WebViewDatabase.getInstance(appContext); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 147 | mWebViewCore = w; |
| 148 | |
Grace Kloba | 8303158 | 2009-09-02 16:21:42 -0700 | [diff] [blame] | 149 | AssetManager am = context.getAssets(); |
| 150 | nativeCreateFrame(w, am, proxy.getBackForwardList()); |
| 151 | |
Derek Sollenberger | 2e5c150 | 2009-06-03 10:44:42 -0400 | [diff] [blame] | 152 | if (DebugFlags.BROWSER_FRAME) { |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 153 | Log.v(LOGTAG, "BrowserFrame constructor: this=" + this); |
| 154 | } |
Patrick Scott | f06364b | 2009-12-02 08:57:09 -0500 | [diff] [blame] | 155 | |
| 156 | mOrientationListener = new WindowOrientationListener(context) { |
| 157 | @Override |
| 158 | public void onOrientationChanged(int orientation) { |
| 159 | switch (orientation) { |
| 160 | case Surface.ROTATION_90: |
| 161 | orientation = 90; |
| 162 | break; |
| 163 | case Surface.ROTATION_180: |
| 164 | orientation = 180; |
| 165 | break; |
| 166 | case Surface.ROTATION_270: |
| 167 | orientation = -90; |
| 168 | break; |
| 169 | case Surface.ROTATION_0: |
| 170 | orientation = 0; |
| 171 | break; |
| 172 | default: |
| 173 | break; |
| 174 | } |
| 175 | sendMessage( |
| 176 | obtainMessage(ORIENTATION_CHANGED, orientation, 0)); |
| 177 | } |
| 178 | }; |
| 179 | mOrientationListener.enable(); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 180 | } |
| 181 | |
| 182 | /** |
| 183 | * Load a url from the network or the filesystem into the main frame. |
Grace Kloba | d0d9bc2 | 2010-01-26 18:08:28 -0800 | [diff] [blame] | 184 | * Following the same behaviour as Safari, javascript: URLs are not passed |
| 185 | * to the main frame, instead they are evaluated immediately. |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 186 | * @param url The url to load. |
Grace Kloba | d0d9bc2 | 2010-01-26 18:08:28 -0800 | [diff] [blame] | 187 | * @param extraHeaders The extra headers sent with this url. This should not |
| 188 | * include the common headers like "user-agent". If it does, it |
| 189 | * will be replaced by the intrinsic value of the WebView. |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 190 | */ |
Grace Kloba | d0d9bc2 | 2010-01-26 18:08:28 -0800 | [diff] [blame] | 191 | public void loadUrl(String url, Map<String, String> extraHeaders) { |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 192 | mLoadInitFromJava = true; |
| 193 | if (URLUtil.isJavaScriptUrl(url)) { |
| 194 | // strip off the scheme and evaluate the string |
| 195 | stringByEvaluatingJavaScriptFromString( |
| 196 | url.substring("javascript:".length())); |
| 197 | } else { |
Grace Kloba | d0d9bc2 | 2010-01-26 18:08:28 -0800 | [diff] [blame] | 198 | nativeLoadUrl(url, extraHeaders); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 199 | } |
| 200 | mLoadInitFromJava = false; |
| 201 | } |
| 202 | |
| 203 | /** |
Grace Kloba | 5753430 | 2009-05-22 18:55:02 -0700 | [diff] [blame] | 204 | * Load a url with "POST" method from the network into the main frame. |
| 205 | * @param url The url to load. |
| 206 | * @param data The data for POST request. |
| 207 | */ |
| 208 | public void postUrl(String url, byte[] data) { |
| 209 | mLoadInitFromJava = true; |
| 210 | nativePostUrl(url, data); |
| 211 | mLoadInitFromJava = false; |
| 212 | } |
| 213 | |
| 214 | /** |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 215 | * Load the content as if it was loaded by the provided base URL. The |
| 216 | * failUrl is used as the history entry for the load data. If null or |
| 217 | * an empty string is passed for the failUrl, then no history entry is |
| 218 | * created. |
| 219 | * |
| 220 | * @param baseUrl Base URL used to resolve relative paths in the content |
| 221 | * @param data Content to render in the browser |
| 222 | * @param mimeType Mimetype of the data being passed in |
| 223 | * @param encoding Character set encoding of the provided data. |
| 224 | * @param failUrl URL to use if the content fails to load or null. |
| 225 | */ |
| 226 | public void loadData(String baseUrl, String data, String mimeType, |
| 227 | String encoding, String failUrl) { |
| 228 | mLoadInitFromJava = true; |
| 229 | if (failUrl == null) { |
| 230 | failUrl = ""; |
| 231 | } |
| 232 | if (data == null) { |
| 233 | data = ""; |
| 234 | } |
| 235 | |
| 236 | // Setup defaults for missing values. These defaults where taken from |
| 237 | // WebKit's WebFrame.mm |
| 238 | if (baseUrl == null || baseUrl.length() == 0) { |
| 239 | baseUrl = "about:blank"; |
| 240 | } |
| 241 | if (mimeType == null || mimeType.length() == 0) { |
| 242 | mimeType = "text/html"; |
| 243 | } |
| 244 | nativeLoadData(baseUrl, data, mimeType, encoding, failUrl); |
| 245 | mLoadInitFromJava = false; |
| 246 | } |
| 247 | |
| 248 | /** |
| 249 | * Go back or forward the number of steps given. |
| 250 | * @param steps A negative or positive number indicating the direction |
| 251 | * and number of steps to move. |
| 252 | */ |
| 253 | public void goBackOrForward(int steps) { |
| 254 | mLoadInitFromJava = true; |
| 255 | nativeGoBackOrForward(steps); |
| 256 | mLoadInitFromJava = false; |
| 257 | } |
| 258 | |
| 259 | /** |
| 260 | * native callback |
| 261 | * Report an error to an activity. |
| 262 | * @param errorCode The HTTP error code. |
| 263 | * @param description A String description. |
| 264 | * TODO: Report all errors including resource errors but include some kind |
| 265 | * of domain identifier. Change errorCode to an enum for a cleaner |
| 266 | * interface. |
| 267 | */ |
| 268 | private void reportError(final int errorCode, final String description, |
| 269 | final String failingUrl) { |
| 270 | // As this is called for the main resource and loading will be stopped |
| 271 | // after, reset the state variables. |
The Android Open Source Project | 4df2423 | 2009-03-05 14:34:35 -0800 | [diff] [blame] | 272 | resetLoadingStates(); |
| 273 | mCallbackProxy.onReceivedError(errorCode, description, failingUrl); |
| 274 | } |
| 275 | |
| 276 | private void resetLoadingStates() { |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 277 | mCommitted = true; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 278 | mFirstLayoutDone = true; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 279 | } |
| 280 | |
| 281 | /* package */boolean committed() { |
| 282 | return mCommitted; |
| 283 | } |
| 284 | |
| 285 | /* package */boolean firstLayoutDone() { |
| 286 | return mFirstLayoutDone; |
| 287 | } |
| 288 | |
| 289 | /* package */int loadType() { |
| 290 | return mLoadType; |
| 291 | } |
| 292 | |
| 293 | /* package */void didFirstLayout() { |
| 294 | if (!mFirstLayoutDone) { |
| 295 | mFirstLayoutDone = true; |
| 296 | // ensure {@link WebViewCore#webkitDraw} is called as we were |
| 297 | // blocking the update in {@link #loadStarted} |
| 298 | mWebViewCore.contentDraw(); |
| 299 | } |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 300 | } |
| 301 | |
| 302 | /** |
| 303 | * native callback |
| 304 | * Indicates the beginning of a new load. |
| 305 | * This method will be called once for the main frame. |
| 306 | */ |
| 307 | private void loadStarted(String url, Bitmap favicon, int loadType, |
| 308 | boolean isMainFrame) { |
| 309 | mIsMainFrame = isMainFrame; |
| 310 | |
| 311 | if (isMainFrame || loadType == FRAME_LOADTYPE_STANDARD) { |
| 312 | mLoadType = loadType; |
| 313 | |
| 314 | if (isMainFrame) { |
| 315 | // Call onPageStarted for main frames. |
| 316 | mCallbackProxy.onPageStarted(url, favicon); |
| 317 | // as didFirstLayout() is only called for the main frame, reset |
| 318 | // mFirstLayoutDone only for the main frames |
| 319 | mFirstLayoutDone = false; |
| 320 | mCommitted = false; |
| 321 | // remove pending draw to block update until mFirstLayoutDone is |
| 322 | // set to true in didFirstLayout() |
| 323 | mWebViewCore.removeMessages(WebViewCore.EventHub.WEBKIT_DRAW); |
| 324 | } |
| 325 | |
| 326 | // Note: only saves committed form data in standard load |
| 327 | if (loadType == FRAME_LOADTYPE_STANDARD |
| 328 | && mSettings.getSaveFormData()) { |
| 329 | final WebHistoryItem h = mCallbackProxy.getBackForwardList() |
| 330 | .getCurrentItem(); |
| 331 | if (h != null) { |
| 332 | String currentUrl = h.getUrl(); |
| 333 | if (currentUrl != null) { |
| 334 | mDatabase.setFormData(currentUrl, getFormTextData()); |
| 335 | } |
| 336 | } |
| 337 | } |
| 338 | } |
| 339 | } |
| 340 | |
| 341 | /** |
| 342 | * native callback |
| 343 | * Indicates the WebKit has committed to the new load |
| 344 | */ |
| 345 | private void transitionToCommitted(int loadType, boolean isMainFrame) { |
| 346 | // loadType is not used yet |
| 347 | if (isMainFrame) { |
| 348 | mCommitted = true; |
Grace Kloba | 9a67c82 | 2009-12-20 11:33:58 -0800 | [diff] [blame] | 349 | mWebViewCore.getWebView().mViewManager.postResetStateAll(); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 350 | } |
| 351 | } |
| 352 | |
| 353 | /** |
| 354 | * native callback |
| 355 | * <p> |
| 356 | * Indicates the end of a new load. |
| 357 | * This method will be called once for the main frame. |
| 358 | */ |
| 359 | private void loadFinished(String url, int loadType, boolean isMainFrame) { |
| 360 | // mIsMainFrame and isMainFrame are better be equal!!! |
| 361 | |
| 362 | if (isMainFrame || loadType == FRAME_LOADTYPE_STANDARD) { |
| 363 | if (isMainFrame) { |
The Android Open Source Project | 4df2423 | 2009-03-05 14:34:35 -0800 | [diff] [blame] | 364 | resetLoadingStates(); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 365 | mCallbackProxy.switchOutDrawHistory(); |
| 366 | mCallbackProxy.onPageFinished(url); |
| 367 | } |
| 368 | } |
| 369 | } |
| 370 | |
| 371 | /** |
| 372 | * We have received an SSL certificate for the main top-level page. |
| 373 | * |
| 374 | * !!!Called from the network thread!!! |
| 375 | */ |
| 376 | void certificate(SslCertificate certificate) { |
| 377 | if (mIsMainFrame) { |
| 378 | // we want to make this call even if the certificate is null |
| 379 | // (ie, the site is not secure) |
| 380 | mCallbackProxy.onReceivedCertificate(certificate); |
| 381 | } |
| 382 | } |
| 383 | |
| 384 | /** |
| 385 | * Destroy all native components of the BrowserFrame. |
| 386 | */ |
| 387 | public void destroy() { |
Patrick Scott | f06364b | 2009-12-02 08:57:09 -0500 | [diff] [blame] | 388 | mOrientationListener.disable(); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 389 | nativeDestroyFrame(); |
Leon Clarke | c0b778e | 2010-03-15 15:27:02 +0000 | [diff] [blame] | 390 | mBlockMessages = true; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 391 | removeCallbacksAndMessages(null); |
| 392 | } |
| 393 | |
| 394 | /** |
| 395 | * Handle messages posted to us. |
| 396 | * @param msg The message to handle. |
| 397 | */ |
| 398 | @Override |
| 399 | public void handleMessage(Message msg) { |
Leon Clarke | c0b778e | 2010-03-15 15:27:02 +0000 | [diff] [blame] | 400 | if (mBlockMessages) { |
| 401 | return; |
| 402 | } |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 403 | switch (msg.what) { |
| 404 | case FRAME_COMPLETED: { |
| 405 | if (mSettings.getSavePassword() && hasPasswordField()) { |
Patrick Scott | af31c3a | 2009-08-24 13:46:09 -0400 | [diff] [blame] | 406 | WebHistoryItem item = mCallbackProxy.getBackForwardList() |
| 407 | .getCurrentItem(); |
| 408 | if (item != null) { |
| 409 | WebAddress uri = new WebAddress(item.getUrl()); |
| 410 | String schemePlusHost = uri.mScheme + uri.mHost; |
| 411 | String[] up = |
| 412 | mDatabase.getUsernamePassword(schemePlusHost); |
| 413 | if (up != null && up[0] != null) { |
| 414 | setUsernamePassword(up[0], up[1]); |
| 415 | } |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 416 | } |
| 417 | } |
Grace Kloba | 2036dba | 2010-02-15 02:15:37 -0800 | [diff] [blame] | 418 | WebViewWorker.getHandler().sendEmptyMessage( |
| 419 | WebViewWorker.MSG_TRIM_CACHE); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 420 | break; |
| 421 | } |
| 422 | |
| 423 | case POLICY_FUNCTION: { |
| 424 | nativeCallPolicyFunction(msg.arg1, msg.arg2); |
| 425 | break; |
| 426 | } |
| 427 | |
Patrick Scott | f06364b | 2009-12-02 08:57:09 -0500 | [diff] [blame] | 428 | case ORIENTATION_CHANGED: { |
| 429 | nativeOrientationChanged(msg.arg1); |
| 430 | break; |
| 431 | } |
| 432 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 433 | default: |
| 434 | break; |
| 435 | } |
| 436 | } |
| 437 | |
| 438 | /** |
| 439 | * Punch-through for WebCore to set the document |
| 440 | * title. Inform the Activity of the new title. |
| 441 | * @param title The new title of the document. |
| 442 | */ |
| 443 | private void setTitle(String title) { |
| 444 | // FIXME: The activity must call getTitle (a native method) to get the |
| 445 | // title. We should try and cache the title if we can also keep it in |
| 446 | // sync with the document. |
| 447 | mCallbackProxy.onReceivedTitle(title); |
| 448 | } |
| 449 | |
| 450 | /** |
| 451 | * Retrieves the render tree of this frame and puts it as the object for |
| 452 | * the message and sends the message. |
| 453 | * @param callback the message to use to send the render tree |
| 454 | */ |
| 455 | public void externalRepresentation(Message callback) { |
| 456 | callback.obj = externalRepresentation();; |
| 457 | callback.sendToTarget(); |
| 458 | } |
| 459 | |
| 460 | /** |
| 461 | * Return the render tree as a string |
| 462 | */ |
| 463 | private native String externalRepresentation(); |
| 464 | |
| 465 | /** |
| 466 | * Retrieves the visual text of the current frame, puts it as the object for |
| 467 | * the message and sends the message. |
| 468 | * @param callback the message to use to send the visual text |
| 469 | */ |
| 470 | public void documentAsText(Message callback) { |
| 471 | callback.obj = documentAsText();; |
| 472 | callback.sendToTarget(); |
| 473 | } |
| 474 | |
| 475 | /** |
| 476 | * Return the text drawn on the screen as a string |
| 477 | */ |
| 478 | private native String documentAsText(); |
| 479 | |
| 480 | /* |
| 481 | * This method is called by WebCore to inform the frame that |
| 482 | * the Javascript window object has been cleared. |
| 483 | * We should re-attach any attached js interfaces. |
| 484 | */ |
| 485 | private void windowObjectCleared(int nativeFramePointer) { |
| 486 | if (mJSInterfaceMap != null) { |
| 487 | Iterator iter = mJSInterfaceMap.keySet().iterator(); |
| 488 | while (iter.hasNext()) { |
| 489 | String interfaceName = (String) iter.next(); |
| 490 | nativeAddJavascriptInterface(nativeFramePointer, |
| 491 | mJSInterfaceMap.get(interfaceName), interfaceName); |
| 492 | } |
| 493 | } |
| 494 | } |
| 495 | |
| 496 | /** |
| 497 | * This method is called by WebCore to check whether application |
| 498 | * wants to hijack url loading |
| 499 | */ |
| 500 | public boolean handleUrl(String url) { |
| 501 | if (mLoadInitFromJava == true) { |
| 502 | return false; |
| 503 | } |
| 504 | if (mCallbackProxy.shouldOverrideUrlLoading(url)) { |
| 505 | // if the url is hijacked, reset the state of the BrowserFrame |
| 506 | didFirstLayout(); |
| 507 | return true; |
| 508 | } else { |
| 509 | return false; |
| 510 | } |
| 511 | } |
| 512 | |
| 513 | public void addJavascriptInterface(Object obj, String interfaceName) { |
| 514 | if (mJSInterfaceMap == null) { |
| 515 | mJSInterfaceMap = new HashMap<String, Object>(); |
| 516 | } |
| 517 | if (mJSInterfaceMap.containsKey(interfaceName)) { |
| 518 | mJSInterfaceMap.remove(interfaceName); |
| 519 | } |
| 520 | mJSInterfaceMap.put(interfaceName, obj); |
| 521 | } |
| 522 | |
| 523 | /** |
Leon Scroggins | 70ca3c2 | 2009-10-02 15:58:55 -0400 | [diff] [blame] | 524 | * Called by JNI. Given a URI, find the associated file and return its size |
| 525 | * @param uri A String representing the URI of the desired file. |
| 526 | * @return int The size of the given file. |
| 527 | */ |
| 528 | private int getFileSize(String uri) { |
| 529 | int size = 0; |
| 530 | Cursor cursor = mContext.getContentResolver().query(Uri.parse(uri), |
| 531 | new String[] { OpenableColumns.SIZE }, |
| 532 | null, |
| 533 | null, |
| 534 | null); |
| 535 | if (cursor != null) { |
| 536 | try { |
| 537 | if (cursor.moveToNext()) { |
| 538 | size = cursor.getInt(0); |
| 539 | } |
| 540 | } finally { |
| 541 | cursor.close(); |
| 542 | } |
| 543 | } |
| 544 | return size; |
| 545 | } |
| 546 | |
| 547 | /** |
| 548 | * Called by JNI. Given a URI, a buffer, and an offset into the buffer, |
| 549 | * copy the resource into buffer. |
| 550 | * @param uri A String representing the URI of the desired file. |
| 551 | * @param buffer The byte array to copy the data into. |
| 552 | * @param offset The offet into buffer to place the data. |
Romain Guy | 01d0fbf | 2009-12-01 14:52:19 -0800 | [diff] [blame] | 553 | * @param expectedSize The size that the buffer has allocated for this file. |
Leon Scroggins | 70ca3c2 | 2009-10-02 15:58:55 -0400 | [diff] [blame] | 554 | * @return int The size of the given file, or zero if it fails. |
| 555 | */ |
Leon Scroggins | d5ba82a | 2009-10-13 14:23:56 -0400 | [diff] [blame] | 556 | private int getFile(String uri, byte[] buffer, int offset, |
| 557 | int expectedSize) { |
Leon Scroggins | 70ca3c2 | 2009-10-02 15:58:55 -0400 | [diff] [blame] | 558 | int size = 0; |
| 559 | try { |
| 560 | InputStream stream = mContext.getContentResolver() |
| 561 | .openInputStream(Uri.parse(uri)); |
| 562 | size = stream.available(); |
Leon Scroggins | d5ba82a | 2009-10-13 14:23:56 -0400 | [diff] [blame] | 563 | if (size <= expectedSize && buffer != null |
| 564 | && buffer.length - offset >= size) { |
Leon Scroggins | 70ca3c2 | 2009-10-02 15:58:55 -0400 | [diff] [blame] | 565 | stream.read(buffer, offset, size); |
| 566 | } else { |
| 567 | size = 0; |
| 568 | } |
| 569 | stream.close(); |
| 570 | } catch (java.io.FileNotFoundException e) { |
| 571 | Log.e(LOGTAG, "FileNotFoundException:" + e); |
| 572 | size = 0; |
| 573 | } catch (java.io.IOException e2) { |
| 574 | Log.e(LOGTAG, "IOException: " + e2); |
| 575 | size = 0; |
| 576 | } |
| 577 | return size; |
| 578 | } |
| 579 | |
| 580 | /** |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 581 | * Start loading a resource. |
| 582 | * @param loaderHandle The native ResourceLoader that is the target of the |
| 583 | * data. |
| 584 | * @param url The url to load. |
| 585 | * @param method The http method. |
| 586 | * @param headers The http headers. |
| 587 | * @param postData If the method is "POST" postData is sent as the request |
| 588 | * body. Is null when empty. |
Brian Carlstrom | dba8cb7 | 2010-03-18 16:56:41 -0700 | [diff] [blame] | 589 | * @param postDataIdentifier If the post data contained form this is the form identifier, otherwise it is 0. |
| 590 | * @param cacheMode The cache mode to use when loading this resource. See WebSettings.setCacheMode |
| 591 | * @param mainResource True if the this resource is the main request, not a supporting resource |
| 592 | * @param userGesture |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 593 | * @param synchronous True if the load is synchronous. |
| 594 | * @return A newly created LoadListener object. |
| 595 | */ |
| 596 | private LoadListener startLoadingResource(int loaderHandle, |
| 597 | String url, |
| 598 | String method, |
| 599 | HashMap headers, |
| 600 | byte[] postData, |
Grace Kloba | 8c92c39 | 2009-11-08 19:01:55 -0800 | [diff] [blame] | 601 | long postDataIdentifier, |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 602 | int cacheMode, |
Patrick Scott | 7c24ed6 | 2009-11-30 13:34:40 -0500 | [diff] [blame] | 603 | boolean mainResource, |
| 604 | boolean userGesture, |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 605 | boolean synchronous) { |
| 606 | PerfChecker checker = new PerfChecker(); |
| 607 | |
| 608 | if (mSettings.getCacheMode() != WebSettings.LOAD_DEFAULT) { |
| 609 | cacheMode = mSettings.getCacheMode(); |
| 610 | } |
| 611 | |
| 612 | if (method.equals("POST")) { |
| 613 | // Don't use the cache on POSTs when issuing a normal POST |
| 614 | // request. |
| 615 | if (cacheMode == WebSettings.LOAD_NORMAL) { |
| 616 | cacheMode = WebSettings.LOAD_NO_CACHE; |
| 617 | } |
| 618 | if (mSettings.getSavePassword() && hasPasswordField()) { |
| 619 | try { |
Derek Sollenberger | 2e5c150 | 2009-06-03 10:44:42 -0400 | [diff] [blame] | 620 | if (DebugFlags.BROWSER_FRAME) { |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 621 | Assert.assertNotNull(mCallbackProxy.getBackForwardList() |
| 622 | .getCurrentItem()); |
| 623 | } |
| 624 | WebAddress uri = new WebAddress(mCallbackProxy |
| 625 | .getBackForwardList().getCurrentItem().getUrl()); |
| 626 | String schemePlusHost = uri.mScheme + uri.mHost; |
| 627 | String[] ret = getUsernamePassword(); |
| 628 | // Has the user entered a username/password pair and is |
| 629 | // there some POST data |
| 630 | if (ret != null && postData != null && |
| 631 | ret[0].length() > 0 && ret[1].length() > 0) { |
| 632 | // Check to see if the username & password appear in |
| 633 | // the post data (there could be another form on the |
| 634 | // page and that was posted instead. |
| 635 | String postString = new String(postData); |
| 636 | if (postString.contains(URLEncoder.encode(ret[0])) && |
| 637 | postString.contains(URLEncoder.encode(ret[1]))) { |
| 638 | String[] saved = mDatabase.getUsernamePassword( |
| 639 | schemePlusHost); |
| 640 | if (saved != null) { |
| 641 | // null username implies that user has chosen not to |
| 642 | // save password |
| 643 | if (saved[0] != null) { |
| 644 | // non-null username implies that user has |
| 645 | // chosen to save password, so update the |
| 646 | // recorded password |
| 647 | mDatabase.setUsernamePassword( |
| 648 | schemePlusHost, ret[0], ret[1]); |
| 649 | } |
| 650 | } else { |
| 651 | // CallbackProxy will handle creating the resume |
| 652 | // message |
| 653 | mCallbackProxy.onSavePassword(schemePlusHost, ret[0], |
| 654 | ret[1], null); |
| 655 | } |
| 656 | } |
| 657 | } |
| 658 | } catch (ParseException ex) { |
| 659 | // if it is bad uri, don't save its password |
| 660 | } |
| 661 | |
| 662 | } |
| 663 | } |
| 664 | |
| 665 | // is this resource the main-frame top-level page? |
| 666 | boolean isMainFramePage = mIsMainFrame; |
| 667 | |
Derek Sollenberger | 2e5c150 | 2009-06-03 10:44:42 -0400 | [diff] [blame] | 668 | if (DebugFlags.BROWSER_FRAME) { |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 669 | Log.v(LOGTAG, "startLoadingResource: url=" + url + ", method=" |
Patrick Scott | fe4fec7 | 2009-07-14 15:54:30 -0400 | [diff] [blame] | 670 | + method + ", postData=" + postData + ", isMainFramePage=" |
Patrick Scott | 7c24ed6 | 2009-11-30 13:34:40 -0500 | [diff] [blame] | 671 | + isMainFramePage + ", mainResource=" + mainResource |
| 672 | + ", userGesture=" + userGesture); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 673 | } |
| 674 | |
| 675 | // Create a LoadListener |
Grace Kloba | 8c92c39 | 2009-11-08 19:01:55 -0800 | [diff] [blame] | 676 | LoadListener loadListener = LoadListener.getLoadListener(mContext, |
| 677 | this, url, loaderHandle, synchronous, isMainFramePage, |
Patrick Scott | 7c24ed6 | 2009-11-30 13:34:40 -0500 | [diff] [blame] | 678 | mainResource, userGesture, postDataIdentifier); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 679 | |
| 680 | mCallbackProxy.onLoadResource(url); |
| 681 | |
| 682 | if (LoadListener.getNativeLoaderCount() > MAX_OUTSTANDING_REQUESTS) { |
Grace Kloba | fadbbd2 | 2009-07-17 20:39:25 -0700 | [diff] [blame] | 683 | // send an error message, so that loadListener can be deleted |
| 684 | // after this is returned. This is important as LoadListener's |
| 685 | // nativeError will remove the request from its DocLoader's request |
| 686 | // list. But the set up is not done until this method is returned. |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 687 | loadListener.error( |
| 688 | android.net.http.EventHandler.ERROR, mContext.getString( |
| 689 | com.android.internal.R.string.httpErrorTooManyRequests)); |
Grace Kloba | fadbbd2 | 2009-07-17 20:39:25 -0700 | [diff] [blame] | 690 | return loadListener; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 691 | } |
| 692 | |
Patrick Scott | fe4fec7 | 2009-07-14 15:54:30 -0400 | [diff] [blame] | 693 | FrameLoader loader = new FrameLoader(loadListener, mSettings, method); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 694 | loader.setHeaders(headers); |
| 695 | loader.setPostData(postData); |
The Android Open Source Project | 4df2423 | 2009-03-05 14:34:35 -0800 | [diff] [blame] | 696 | // Set the load mode to the mode used for the current page. |
| 697 | // If WebKit wants validation, go to network directly. |
| 698 | loader.setCacheMode(headers.containsKey("If-Modified-Since") |
| 699 | || headers.containsKey("If-None-Match") ? |
| 700 | WebSettings.LOAD_NO_CACHE : cacheMode); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 701 | // Set referrer to current URL? |
| 702 | if (!loader.executeLoad()) { |
| 703 | checker.responseAlert("startLoadingResource fail"); |
| 704 | } |
| 705 | checker.responseAlert("startLoadingResource succeed"); |
| 706 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 707 | return !synchronous ? loadListener : null; |
| 708 | } |
| 709 | |
| 710 | /** |
| 711 | * Set the progress for the browser activity. Called by native code. |
| 712 | * Uses a delay so it does not happen too often. |
| 713 | * @param newProgress An int between zero and one hundred representing |
| 714 | * the current progress percentage of loading the page. |
| 715 | */ |
| 716 | private void setProgress(int newProgress) { |
| 717 | mCallbackProxy.onProgressChanged(newProgress); |
| 718 | if (newProgress == 100) { |
| 719 | sendMessageDelayed(obtainMessage(FRAME_COMPLETED), 100); |
| 720 | } |
| 721 | // FIXME: Need to figure out a better way to switch out of the history |
| 722 | // drawing mode. Maybe we can somehow compare the history picture with |
| 723 | // the current picture, and switch when it contains more content. |
| 724 | if (mFirstLayoutDone && newProgress > TRANSITION_SWITCH_THRESHOLD) { |
| 725 | mCallbackProxy.switchOutDrawHistory(); |
| 726 | } |
| 727 | } |
| 728 | |
| 729 | /** |
| 730 | * Send the icon to the activity for display. |
| 731 | * @param icon A Bitmap representing a page's favicon. |
| 732 | */ |
| 733 | private void didReceiveIcon(Bitmap icon) { |
| 734 | mCallbackProxy.onReceivedIcon(icon); |
| 735 | } |
| 736 | |
Patrick Scott | 2ba1262 | 2009-08-04 13:20:05 -0400 | [diff] [blame] | 737 | // Called by JNI when an apple-touch-icon attribute was found. |
Patrick Scott | d58ccff | 2009-09-18 16:29:00 -0400 | [diff] [blame] | 738 | private void didReceiveTouchIconUrl(String url, boolean precomposed) { |
| 739 | mCallbackProxy.onReceivedTouchIconUrl(url, precomposed); |
Patrick Scott | 2ba1262 | 2009-08-04 13:20:05 -0400 | [diff] [blame] | 740 | } |
| 741 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 742 | /** |
| 743 | * Request a new window from the client. |
| 744 | * @return The BrowserFrame object stored in the new WebView. |
| 745 | */ |
| 746 | private BrowserFrame createWindow(boolean dialog, boolean userGesture) { |
| 747 | WebView w = mCallbackProxy.createWindow(dialog, userGesture); |
| 748 | if (w != null) { |
| 749 | return w.getWebViewCore().getBrowserFrame(); |
| 750 | } |
| 751 | return null; |
| 752 | } |
| 753 | |
| 754 | /** |
| 755 | * Try to focus this WebView. |
| 756 | */ |
| 757 | private void requestFocus() { |
| 758 | mCallbackProxy.onRequestFocus(); |
| 759 | } |
| 760 | |
| 761 | /** |
| 762 | * Close this frame and window. |
| 763 | */ |
| 764 | private void closeWindow(WebViewCore w) { |
| 765 | mCallbackProxy.onCloseWindow(w.getWebView()); |
| 766 | } |
| 767 | |
| 768 | // XXX: Must match PolicyAction in FrameLoaderTypes.h in webcore |
| 769 | static final int POLICY_USE = 0; |
| 770 | static final int POLICY_IGNORE = 2; |
| 771 | |
| 772 | private void decidePolicyForFormResubmission(int policyFunction) { |
| 773 | Message dontResend = obtainMessage(POLICY_FUNCTION, policyFunction, |
| 774 | POLICY_IGNORE); |
| 775 | Message resend = obtainMessage(POLICY_FUNCTION, policyFunction, |
| 776 | POLICY_USE); |
| 777 | mCallbackProxy.onFormResubmission(dontResend, resend); |
| 778 | } |
| 779 | |
| 780 | /** |
| 781 | * Tell the activity to update its global history. |
| 782 | */ |
| 783 | private void updateVisitedHistory(String url, boolean isReload) { |
| 784 | mCallbackProxy.doUpdateVisitedHistory(url, isReload); |
| 785 | } |
| 786 | |
| 787 | /** |
| 788 | * Get the CallbackProxy for sending messages to the UI thread. |
| 789 | */ |
| 790 | /* package */ CallbackProxy getCallbackProxy() { |
| 791 | return mCallbackProxy; |
| 792 | } |
| 793 | |
| 794 | /** |
| 795 | * Returns the User Agent used by this frame |
| 796 | */ |
| 797 | String getUserAgentString() { |
| 798 | return mSettings.getUserAgentString(); |
| 799 | } |
| 800 | |
Leon Scroggins | aacced6 | 2009-12-11 15:01:22 -0500 | [diff] [blame] | 801 | // These ids need to be in sync with enum rawResId in PlatformBridge.h |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 802 | private static final int NODOMAIN = 1; |
| 803 | private static final int LOADERROR = 2; |
Grace Kloba | 8303158 | 2009-09-02 16:21:42 -0700 | [diff] [blame] | 804 | private static final int DRAWABLEDIR = 3; |
Leon Scroggins | aacced6 | 2009-12-11 15:01:22 -0500 | [diff] [blame] | 805 | private static final int FILE_UPLOAD_LABEL = 4; |
| 806 | private static final int RESET_LABEL = 5; |
| 807 | private static final int SUBMIT_LABEL = 6; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 808 | |
| 809 | String getRawResFilename(int id) { |
| 810 | int resid; |
| 811 | switch (id) { |
| 812 | case NODOMAIN: |
| 813 | resid = com.android.internal.R.raw.nodomain; |
| 814 | break; |
| 815 | |
| 816 | case LOADERROR: |
| 817 | resid = com.android.internal.R.raw.loaderror; |
| 818 | break; |
| 819 | |
Grace Kloba | 8303158 | 2009-09-02 16:21:42 -0700 | [diff] [blame] | 820 | case DRAWABLEDIR: |
| 821 | // use one known resource to find the drawable directory |
| 822 | resid = com.android.internal.R.drawable.btn_check_off; |
| 823 | break; |
| 824 | |
Leon Scroggins | aacced6 | 2009-12-11 15:01:22 -0500 | [diff] [blame] | 825 | case FILE_UPLOAD_LABEL: |
| 826 | return mContext.getResources().getString( |
| 827 | com.android.internal.R.string.upload_file); |
| 828 | |
| 829 | case RESET_LABEL: |
| 830 | return mContext.getResources().getString( |
| 831 | com.android.internal.R.string.reset); |
| 832 | |
| 833 | case SUBMIT_LABEL: |
| 834 | return mContext.getResources().getString( |
| 835 | com.android.internal.R.string.submit); |
| 836 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 837 | default: |
| 838 | Log.e(LOGTAG, "getRawResFilename got incompatible resource ID"); |
Cary Clark | 686cf75 | 2009-08-11 16:08:52 -0400 | [diff] [blame] | 839 | return ""; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 840 | } |
| 841 | TypedValue value = new TypedValue(); |
| 842 | mContext.getResources().getValue(resid, value, true); |
Grace Kloba | 8303158 | 2009-09-02 16:21:42 -0700 | [diff] [blame] | 843 | if (id == DRAWABLEDIR) { |
| 844 | String path = value.string.toString(); |
| 845 | int index = path.lastIndexOf('/'); |
| 846 | if (index < 0) { |
| 847 | Log.e(LOGTAG, "Can't find drawable directory."); |
| 848 | return ""; |
| 849 | } |
| 850 | return path.substring(0, index + 1); |
| 851 | } |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 852 | return value.string.toString(); |
| 853 | } |
| 854 | |
Grace Kloba | 408cf85 | 2009-09-20 16:34:44 -0700 | [diff] [blame] | 855 | private float density() { |
| 856 | return mContext.getResources().getDisplayMetrics().density; |
| 857 | } |
| 858 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 859 | //========================================================================== |
| 860 | // native functions |
| 861 | //========================================================================== |
| 862 | |
| 863 | /** |
| 864 | * Create a new native frame for a given WebView |
| 865 | * @param w A WebView that the frame draws into. |
| 866 | * @param am AssetManager to use to get assets. |
| 867 | * @param list The native side will add and remove items from this list as |
| 868 | * the native list changes. |
| 869 | */ |
| 870 | private native void nativeCreateFrame(WebViewCore w, AssetManager am, |
| 871 | WebBackForwardList list); |
| 872 | |
| 873 | /** |
| 874 | * Destroy the native frame. |
| 875 | */ |
| 876 | public native void nativeDestroyFrame(); |
| 877 | |
| 878 | private native void nativeCallPolicyFunction(int policyFunction, |
| 879 | int decision); |
| 880 | |
| 881 | /** |
| 882 | * Reload the current main frame. |
| 883 | */ |
| 884 | public native void reload(boolean allowStale); |
| 885 | |
| 886 | /** |
| 887 | * Go back or forward the number of steps given. |
| 888 | * @param steps A negative or positive number indicating the direction |
| 889 | * and number of steps to move. |
| 890 | */ |
| 891 | private native void nativeGoBackOrForward(int steps); |
| 892 | |
| 893 | /** |
| 894 | * stringByEvaluatingJavaScriptFromString will execute the |
| 895 | * JS passed in in the context of this browser frame. |
| 896 | * @param script A javascript string to execute |
| 897 | * |
| 898 | * @return string result of execution or null |
| 899 | */ |
| 900 | public native String stringByEvaluatingJavaScriptFromString(String script); |
| 901 | |
| 902 | /** |
| 903 | * Add a javascript interface to the main frame. |
| 904 | */ |
| 905 | private native void nativeAddJavascriptInterface(int nativeFramePointer, |
| 906 | Object obj, String interfaceName); |
| 907 | |
| 908 | /** |
| 909 | * Enable or disable the native cache. |
| 910 | */ |
| 911 | /* FIXME: The native cache is always on for now until we have a better |
| 912 | * solution for our 2 caches. */ |
| 913 | private native void setCacheDisabled(boolean disabled); |
| 914 | |
| 915 | public native boolean cacheDisabled(); |
| 916 | |
| 917 | public native void clearCache(); |
| 918 | |
| 919 | /** |
| 920 | * Returns false if the url is bad. |
| 921 | */ |
Grace Kloba | d0d9bc2 | 2010-01-26 18:08:28 -0800 | [diff] [blame] | 922 | private native void nativeLoadUrl(String url, Map<String, String> headers); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 923 | |
Grace Kloba | 5753430 | 2009-05-22 18:55:02 -0700 | [diff] [blame] | 924 | private native void nativePostUrl(String url, byte[] postData); |
| 925 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 926 | private native void nativeLoadData(String baseUrl, String data, |
| 927 | String mimeType, String encoding, String failUrl); |
| 928 | |
| 929 | /** |
| 930 | * Stop loading the current page. |
| 931 | */ |
The Android Open Source Project | 4df2423 | 2009-03-05 14:34:35 -0800 | [diff] [blame] | 932 | public void stopLoading() { |
| 933 | if (mIsMainFrame) { |
| 934 | resetLoadingStates(); |
| 935 | } |
| 936 | nativeStopLoading(); |
| 937 | } |
| 938 | |
| 939 | private native void nativeStopLoading(); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 940 | |
| 941 | /** |
| 942 | * Return true if the document has images. |
| 943 | */ |
| 944 | public native boolean documentHasImages(); |
| 945 | |
| 946 | /** |
| 947 | * @return TRUE if there is a password field in the current frame |
| 948 | */ |
| 949 | private native boolean hasPasswordField(); |
| 950 | |
| 951 | /** |
| 952 | * Get username and password in the current frame. If found, String[0] is |
| 953 | * username and String[1] is password. Otherwise return NULL. |
| 954 | * @return String[] |
| 955 | */ |
| 956 | private native String[] getUsernamePassword(); |
| 957 | |
| 958 | /** |
| 959 | * Set username and password to the proper fields in the current frame |
| 960 | * @param username |
| 961 | * @param password |
| 962 | */ |
| 963 | private native void setUsernamePassword(String username, String password); |
| 964 | |
| 965 | /** |
| 966 | * Get form's "text" type data associated with the current frame. |
| 967 | * @return HashMap If succeed, returns a list of name/value pair. Otherwise |
| 968 | * returns null. |
| 969 | */ |
| 970 | private native HashMap getFormTextData(); |
Patrick Scott | f06364b | 2009-12-02 08:57:09 -0500 | [diff] [blame] | 971 | |
| 972 | private native void nativeOrientationChanged(int orientation); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 973 | } |