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am d424e8a0: am 736432ed: Merge "Disallow going back to initial empty page in captive portal app" into mnc-dev

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* commit 'd424e8a01694651a4c10f1d3b11ff55ff6e9fd35':
  Disallow going back to initial empty page in captive portal app
This commit is contained in:
Paul Jensen
2015-06-03 18:46:49 +00:00
committed by Android Git Automerger
parent b17fdaec83 d424e8a016
commit 0424afcef1
1 changed files with 25 additions and 12 deletions
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37
packages/CaptivePortalLogin/src/com/android/captiveportallogin/CaptivePortalLoginActivity.java
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@@ -66,6 +66,7 @@ public class CaptivePortalLoginActivity extends Activity {
private NetworkCallback mNetworkCallback;
private ConnectivityManager mCm;
private boolean mLaunchBrowser = false;
private MyWebViewClient mWebViewClient;
@Override
protected void onCreate(Bundle savedInstanceState) {
@@ -115,7 +116,8 @@ public class CaptivePortalLoginActivity extends Activity {
myWebView.clearCache(true);
WebSettings webSettings = myWebView.getSettings();
webSettings.setJavaScriptEnabled(true);
myWebView.setWebViewClient(new MyWebViewClient());
mWebViewClient = new MyWebViewClient();
myWebView.setWebViewClient(mWebViewClient);
myWebView.setWebChromeClient(new MyWebChromeClient());
// Start initial page load so WebView finishes loading proxy settings.
// Actual load of mUrl is initiated by MyWebViewClient.
@@ -174,7 +176,7 @@ public class CaptivePortalLoginActivity extends Activity {
@Override
public void onBackPressed() {
WebView myWebView = (WebView) findViewById(R.id.webview);
if (myWebView.canGoBack()) {
if (myWebView.canGoBack() && mWebViewClient.allowBack()) {
myWebView.goBack();
} else {
super.onBackPressed();
@@ -255,7 +257,12 @@ public class CaptivePortalLoginActivity extends Activity {
getResources().getDisplayMetrics()) /
TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_DIP, 1,
getResources().getDisplayMetrics());
private boolean mFirstPageLoad = true;
private int mPagesLoaded;
// If we haven't finished cleaning up the history, don't allow going back.
public boolean allowBack() {
return mPagesLoaded > 1;
}
@Override
public void onPageStarted(WebView view, String url, Bitmap favicon) {
@@ -264,26 +271,32 @@ public class CaptivePortalLoginActivity extends Activity {
done(Result.WANTED_AS_IS);
return;
}
if (mFirstPageLoad) return;
// The first page load is used only to cause the WebView to
// fetch the proxy settings. Don't update the URL bar, and
// don't check if the captive portal is still there.
if (mPagesLoaded == 0) return;
// For internally generated pages, leave URL bar listing prior URL as this is the URL
// the page refers to.
if (!url.startsWith(INTERNAL_ASSETS)) {
final TextView myUrlBar = (TextView) findViewById(R.id.url_bar);
myUrlBar.setText(url);
}
testForCaptivePortal();
}
@Override
public void onPageFinished(WebView view, String url) {
if (mFirstPageLoad) {
mFirstPageLoad = false;
mPagesLoaded++;
if (mPagesLoaded == 1) {
// Now that WebView has loaded at least one page we know it has read in the proxy
// settings. Now prompt the WebView read the Network-specific proxy settings.
setWebViewProxy();
// Load the real page.
view.loadUrl(mURL.toString());
return;
}
// For internally generated pages, leave URL bar listing prior URL as this is the URL
// the page refers to.
if (!url.startsWith(INTERNAL_ASSETS)) {
final TextView myUrlBar = (TextView) findViewById(R.id.url_bar);
myUrlBar.setText(url);
} else if (mPagesLoaded == 2) {
// Prevent going back to empty first page.
view.clearHistory();
}
testForCaptivePortal();
}