/**
* Tear down the load. Subclasses should clean up any mess because of cancellation or errors
* during the load.
*/
void tearDown() {
if (mCacheResult != null) {
if (getErrorID() == OK) {
CacheManager.saveCacheFile(mUrl, mCacheResult);
}
// we need to reset mCacheResult to be null
// resource loader's tearDown will call into WebCore's
// nativeFinish, which in turn calls loader.cancel().
// If we don't reset mCacheFile, the file will be deleted.
mCacheResult = null;
}
if (mNativeLoader != 0) {
PerfChecker checker = new PerfChecker();
nativeFinished();
checker.responseAlert("res nativeFinished");
clearNativeLoader();
}
}
/** Commit the load. It should be ok to call repeatedly but only before tearDown is called. */
private void commitLoad() {
if (mCancelled) return;
// Give the data to WebKit now
PerfChecker checker = new PerfChecker();
ByteArrayBuilder.Chunk c;
while (true) {
c = mDataBuilder.getFirstChunk();
if (c == null) break;
if (c.mLength != 0) {
if (mCacheResult != null) {
try {
mCacheResult.outStream.write(c.mArray, 0, c.mLength);
} catch (IOException e) {
mCacheResult = null;
}
}
nativeAddData(c.mArray, c.mLength);
}
mDataBuilder.releaseChunk(c);
checker.responseAlert("res nativeAddData");
}
}
/**
* Start loading a resource.
*
* @param loaderHandle The native ResourceLoader that is the target of the data.
* @param url The url to load.
* @param method The http method.
* @param headers The http headers.
* @param postData If the method is "POST" postData is sent as the request body. Is null when
* empty.
* @param cacheMode The cache mode to use when loading this resource.
* @param isHighPriority True if this resource needs to be put at the front of the network queue.
* @param synchronous True if the load is synchronous.
* @return A newly created LoadListener object.
*/
private LoadListener startLoadingResource(
int loaderHandle,
String url,
String method,
HashMap headers,
byte[] postData,
int cacheMode,
boolean isHighPriority,
boolean synchronous) {
PerfChecker checker = new PerfChecker();
if (mSettings.getCacheMode() != WebSettings.LOAD_DEFAULT) {
cacheMode = mSettings.getCacheMode();
}
if (method.equals("POST")) {
// Don't use the cache on POSTs when issuing a normal POST
// request.
if (cacheMode == WebSettings.LOAD_NORMAL) {
cacheMode = WebSettings.LOAD_NO_CACHE;
}
if (mSettings.getSavePassword() && hasPasswordField()) {
try {
if (WebView.DEBUG) {
Assert.assertNotNull(mCallbackProxy.getBackForwardList().getCurrentItem());
}
WebAddress uri =
new WebAddress(mCallbackProxy.getBackForwardList().getCurrentItem().getUrl());
String schemePlusHost = uri.mScheme + uri.mHost;
String[] ret = getUsernamePassword();
// Has the user entered a username/password pair and is
// there some POST data
if (ret != null && postData != null && ret[0].length() > 0 && ret[1].length() > 0) {
// Check to see if the username & password appear in
// the post data (there could be another form on the
// page and that was posted instead.
String postString = new String(postData);
if (postString.contains(URLEncoder.encode(ret[0]))
&& postString.contains(URLEncoder.encode(ret[1]))) {
String[] saved = mDatabase.getUsernamePassword(schemePlusHost);
if (saved != null) {
// null username implies that user has chosen not to
// save password
if (saved[0] != null) {
// non-null username implies that user has
// chosen to save password, so update the
// recorded password
mDatabase.setUsernamePassword(schemePlusHost, ret[0], ret[1]);
}
} else {
// CallbackProxy will handle creating the resume
// message
mCallbackProxy.onSavePassword(schemePlusHost, ret[0], ret[1], null);
}
}
}
} catch (ParseException ex) {
// if it is bad uri, don't save its password
}
}
}
// is this resource the main-frame top-level page?
boolean isMainFramePage = mIsMainFrame;
if (WebView.LOGV_ENABLED) {
Log.v(
LOGTAG,
"startLoadingResource: url="
+ url
+ ", method="
+ method
+ ", postData="
+ postData
+ ", isHighPriority="
+ isHighPriority
+ ", isMainFramePage="
+ isMainFramePage);
}
// Create a LoadListener
LoadListener loadListener =
LoadListener.getLoadListener(
mContext, this, url, loaderHandle, synchronous, isMainFramePage);
mCallbackProxy.onLoadResource(url);
if (LoadListener.getNativeLoaderCount() > MAX_OUTSTANDING_REQUESTS) {
loadListener.error(
android.net.http.EventHandler.ERROR,
mContext.getString(com.android.internal.R.string.httpErrorTooManyRequests));
loadListener.notifyError();
loadListener.tearDown();
return null;
}
// during synchronous load, the WebViewCore thread is blocked, so we
// need to endCacheTransaction first so that http thread won't be
// blocked in setupFile() when createCacheFile.
if (synchronous) {
CacheManager.endCacheTransaction();
}
FrameLoader loader = new FrameLoader(loadListener, mSettings, method, isHighPriority);
loader.setHeaders(headers);
loader.setPostData(postData);
// Set the load mode to the mode used for the current page.
// If WebKit wants validation, go to network directly.
loader.setCacheMode(
headers.containsKey("If-Modified-Since") || headers.containsKey("If-None-Match")
? WebSettings.LOAD_NO_CACHE
: cacheMode);
// Set referrer to current URL?
if (!loader.executeLoad()) {
checker.responseAlert("startLoadingResource fail");
}
checker.responseAlert("startLoadingResource succeed");
if (synchronous) {
CacheManager.startCacheTransaction();
}
return !synchronous ? loadListener : null;
}
