X-Git-Url: https://gitweb.stoutner.com/?a=blobdiff_plain;f=app%2Fsrc%2Fmain%2Fjava%2Fcom%2Fstoutner%2Fprivacybrowser%2FMainWebViewActivity.java;h=7928c944a52df874a6aa95f9aad48b39e687b41d;hb=16f63187a36d1e8f63fdfdf27884bbed16a56473;hp=ff63632a9f26e8a40d6a7de4d1db5b67807b3aea;hpb=afe89bbfe094100ef11ead2e615c1df1bab1ec7d;p=PrivacyBrowserAndroid.git diff --git a/app/src/main/java/com/stoutner/privacybrowser/MainWebViewActivity.java b/app/src/main/java/com/stoutner/privacybrowser/MainWebViewActivity.java index ff63632a..7928c944 100644 --- a/app/src/main/java/com/stoutner/privacybrowser/MainWebViewActivity.java +++ b/app/src/main/java/com/stoutner/privacybrowser/MainWebViewActivity.java @@ -20,7 +20,6 @@ package com.stoutner.privacybrowser; import android.annotation.SuppressLint; -import android.app.Activity; import android.app.DialogFragment; import android.app.DownloadManager; import android.content.Context; @@ -51,6 +50,8 @@ import android.support.v7.app.ActionBarDrawerToggle; import android.support.v7.app.AppCompatActivity; import android.support.v7.app.AppCompatDialogFragment; import android.support.v7.widget.Toolbar; +import android.text.Editable; +import android.text.TextWatcher; import android.util.Patterns; import android.view.KeyEvent; import android.view.Menu; @@ -68,7 +69,10 @@ import android.webkit.WebViewDatabase; import android.widget.EditText; import android.widget.FrameLayout; import android.widget.ImageView; +import android.widget.LinearLayout; import android.widget.ProgressBar; +import android.widget.RelativeLayout; +import android.widget.TextView; import java.io.UnsupportedEncodingException; import java.net.MalformedURLException; @@ -82,7 +86,7 @@ public class MainWebViewActivity extends AppCompatActivity implements Navigation SslCertificateError.SslCertificateErrorListener, DownloadFile.DownloadFileListener { // `appBar` is public static so it can be accessed from `OrbotProxyHelper`. - // It is also used in `onCreate()` and `onOptionsItemSelected()`. + // It is also used in `onCreate()`, `onOptionsItemSelected()`, and `closeFindOnPage()`. public static ActionBar appBar; // `favoriteIcon` is public static so it can be accessed from `CreateHomeScreenShortcut`, `BookmarksActivity`, `CreateBookmark`, `CreateBookmarkFolder`, and `EditBookmark`. @@ -97,7 +101,7 @@ public class MainWebViewActivity extends AppCompatActivity implements Navigation public static SslCertificate sslCertificate; - // 'mainWebView' is used in `onCreate()`, `onOptionsItemSelected()`, `onNavigationItemSelected()`, `onRestart()`, and `loadUrlFromTextBox()`. + // 'mainWebView' is used in `onCreate()`, `onOptionsItemSelected()`, `onNavigationItemSelected()`, `onRestart()`, `findPreviousOnPage()`, `findNextOnPage()`, `closeFindOnPage`, and `loadUrlFromTextBox()`. private WebView mainWebView; // `swipeRefreshLayout` is used in `onCreate()`, `onPrepareOptionsMenu`, and `onRestart()`. @@ -155,7 +159,11 @@ public class MainWebViewActivity extends AppCompatActivity implements Navigation // `sslErrorHandler` is used in `onCreate()`, `onSslErrorCancel()`, and `onSslErrorProceed`. private SslErrorHandler sslErrorHandler; - private MenuItem toggleJavaScript; + // `findOnPageEditText` is used in `onCreate()`, `onOptionsItemSelected()`, and `closeFindOnPage()`. + private EditText findOnPageEditText; + + // `inputMethodManager` is used in `onOptionsItemSelected()`, `loadUrlFromTextBox()`, and `closeFindOnPage()`. + private InputMethodManager inputMethodManager; @Override // Remove Android Studio's warning about the dangers of using SetJavaScriptEnabled. The whole premise of Privacy Browser is built around an understanding of these dangers. @@ -164,6 +172,9 @@ public class MainWebViewActivity extends AppCompatActivity implements Navigation super.onCreate(savedInstanceState); setContentView(R.layout.main_coordinatorlayout); + // Get a handle for `inputMethodManager`. + inputMethodManager = (InputMethodManager) getSystemService(Context.INPUT_METHOD_SERVICE); + // We need to use the SupportActionBar from android.support.v7.app.ActionBar until the minimum API is >= 21. Toolbar supportAppBar = (Toolbar) findViewById(R.id.appBar); setSupportActionBar(supportAppBar); @@ -179,8 +190,9 @@ public class MainWebViewActivity extends AppCompatActivity implements Navigation // Set the "go" button on the keyboard to load the URL in urlTextBox. urlTextBox = (EditText) appBar.getCustomView().findViewById(R.id.urlTextBox); urlTextBox.setOnKeyListener(new View.OnKeyListener() { + @Override public boolean onKey(View v, int keyCode, KeyEvent event) { - // If the event is a key-down event on the "enter" button, load the URL. + // If the event is a key-down event on the `enter` button, load the URL. if ((event.getAction() == KeyEvent.ACTION_DOWN) && (keyCode == KeyEvent.KEYCODE_ENTER)) { // Load the URL into the mainWebView and consume the event. try { @@ -197,7 +209,66 @@ public class MainWebViewActivity extends AppCompatActivity implements Navigation } }); + // Get handles for `fullScreenVideoFrameLayout`, `mainWebView`, and `find_on_page_edittext`. final FrameLayout fullScreenVideoFrameLayout = (FrameLayout) findViewById(R.id.fullScreenVideoFrameLayout); + mainWebView = (WebView) findViewById(R.id.mainWebView); + findOnPageEditText = (EditText) findViewById(R.id.find_on_page_edittext); + + // Update `findOnPageCountTextView`. + mainWebView.setFindListener(new WebView.FindListener() { + // Get a handle for `findOnPageCountTextView`. + TextView findOnPageCountTextView = (TextView) findViewById(R.id.find_on_page_count_textview); + + @Override + public void onFindResultReceived(int activeMatchOrdinal, int numberOfMatches, boolean isDoneCounting) { + if ((isDoneCounting) && (numberOfMatches == 0)) { // There are no matches. + // Set `findOnPageCountTextView` to `0/0`. + findOnPageCountTextView.setText(R.string.zero_of_zero); + } else if (isDoneCounting) { // There are matches. + // `activeMatchOrdinal` is zero-based. + int activeMatch = activeMatchOrdinal + 1; + + // Set `findOnPageCountTextView`. + findOnPageCountTextView.setText(activeMatch + "/" + numberOfMatches); + } + } + }); + + // Search for the string on the page whenever a character changes in the `findOnPageEditText`. + findOnPageEditText.addTextChangedListener(new TextWatcher() { + @Override + public void beforeTextChanged(CharSequence s, int start, int count, int after) { + // Do nothing. + } + + @Override + public void onTextChanged(CharSequence s, int start, int before, int count) { + // Do nothing. + } + + @Override + public void afterTextChanged(Editable s) { + // Search for the text in `mainWebView`. + mainWebView.findAllAsync(findOnPageEditText.getText().toString()); + } + }); + + // Set the `check mark` button for the `findOnPageEditText` keyboard to close the soft keyboard. + findOnPageEditText.setOnKeyListener(new View.OnKeyListener() { + @Override + public boolean onKey(View v, int keyCode, KeyEvent event) { + if ((event.getAction() == KeyEvent.ACTION_DOWN) && (keyCode == KeyEvent.KEYCODE_ENTER)) { // The `enter` key was pressed. + // Hide the soft keyboard. `0` indicates no additional flags. + inputMethodManager.hideSoftInputFromWindow(mainWebView.getWindowToken(), 0); + + // Consume the event. + return true; + } else { // A different key was pressed. + // Do not consume the event. + return false; + } + } + }); // Implement swipe to refresh swipeRefreshLayout = (SwipeRefreshLayout) findViewById(R.id.swipeRefreshLayout); @@ -209,8 +280,6 @@ public class MainWebViewActivity extends AppCompatActivity implements Navigation } }); - mainWebView = (WebView) findViewById(R.id.mainWebView); - // Create the navigation drawer. drawerLayout = (DrawerLayout) findViewById(R.id.drawerLayout); // The DrawerTitle identifies the drawer in accessibility mode. @@ -280,8 +349,8 @@ public class MainWebViewActivity extends AppCompatActivity implements Navigation sslErrorHandler = handler; // Display the SSL error `AlertDialog`. - DialogFragment sslCertificateErrorDialogFragment = SslCertificateError.displayDialog(error); - sslCertificateErrorDialogFragment.show(getFragmentManager(), getResources().getString(R.string.ssl_certificate_error)); + AppCompatDialogFragment sslCertificateErrorDialogFragment = SslCertificateError.displayDialog(error); + sslCertificateErrorDialogFragment.show(getSupportFragmentManager(), getResources().getString(R.string.ssl_certificate_error)); } }); @@ -444,7 +513,6 @@ public class MainWebViewActivity extends AppCompatActivity implements Navigation updatePrivacyIcons(false); // Get handles for the menu items. - toggleJavaScript = menu.findItem(R.id.toggleJavaScript); MenuItem toggleFirstPartyCookies = menu.findItem(R.id.toggleFirstPartyCookies); MenuItem toggleThirdPartyCookies = menu.findItem(R.id.toggleThirdPartyCookies); MenuItem toggleDomStorage = menu.findItem(R.id.toggleDomStorage); @@ -743,9 +811,28 @@ public class MainWebViewActivity extends AppCompatActivity implements Navigation return true; case R.id.find_on_page: - appBar.setCustomView(R.layout.find_on_page_app_bar); - toggleJavaScript.setShowAsAction(MenuItem.SHOW_AS_ACTION_NEVER); - appBar.invalidateOptionsMenu(); + // Hide the URL app bar. + Toolbar appBarToolbar = (Toolbar) findViewById(R.id.appBar); + appBarToolbar.setVisibility(View.GONE); + + // Show the Find on Page `RelativeLayout`. + LinearLayout findOnPageLinearLayout = (LinearLayout) findViewById(R.id.find_on_page_linearlayout); + findOnPageLinearLayout.setVisibility(View.VISIBLE); + + // Display the keyboard. We have to wait 200 ms before running the command to work around a bug in Android. + // http://stackoverflow.com/questions/5520085/android-show-softkeyboard-with-showsoftinput-is-not-working + findOnPageEditText.postDelayed(new Runnable() + { + @Override + public void run() + { + // Set the focus on `findOnPageEditText`. + findOnPageEditText.requestFocus(); + + // Display the keyboard. + inputMethodManager.showSoftInput(findOnPageEditText, 0); + } + }, 200); return true; case R.id.share: @@ -873,15 +960,22 @@ public class MainWebViewActivity extends AppCompatActivity implements Navigation // Clear `customHeaders`. customHeaders.clear(); - // Destroy the internal state of the webview. + // Detach all views from `mainWebViewRelativeLayout`. + RelativeLayout mainWebViewRelativeLayout = (RelativeLayout) findViewById(R.id.mainWebViewRelativeLayout); + mainWebViewRelativeLayout.removeAllViews(); + + // Destroy the internal state of `mainWebView`. mainWebView.destroy(); - // Close Privacy Browser. finishAndRemoveTask also removes Privacy Browser from the recent app list. + // Close Privacy Browser. `finishAndRemoveTask` also removes Privacy Browser from the recent app list. if (Build.VERSION.SDK_INT >= 21) { finishAndRemoveTask(); } else { finish(); } + + // Remove the terminated program from RAM. The status code is `0`. + System.exit(0); break; default: @@ -1070,8 +1164,36 @@ public class MainWebViewActivity extends AppCompatActivity implements Navigation mainWebView.loadUrl(formattedUrlString, customHeaders); - // Hides the keyboard so we can see the webpage. - InputMethodManager inputMethodManager = (InputMethodManager) getSystemService(Activity.INPUT_METHOD_SERVICE); + // Hides the keyboard so we can see the webpage. `0` indicates no additional flags. + inputMethodManager.hideSoftInputFromWindow(mainWebView.getWindowToken(), 0); + } + + public void findPreviousOnPage(View view) { + // Go to the previous highlighted phrase on the page. `false` goes backwards instead of forwards. + mainWebView.findNext(false); + } + + public void findNextOnPage(View view) { + // Go to the next highlighted phrase on the page. `true` goes forwards instead of backwards. + mainWebView.findNext(true); + } + + public void closeFindOnPage(View view) { + // Delete the contents of `find_on_page_edittext`. + findOnPageEditText.setText(null); + + // Clear the highlighted phrases. + mainWebView.clearMatches(); + + // Hide the Find on Page `RelativeLayout`. + LinearLayout findOnPageLinearLayout = (LinearLayout) findViewById(R.id.find_on_page_linearlayout); + findOnPageLinearLayout.setVisibility(View.GONE); + + // Show the URL app bar. + Toolbar appBarToolbar = (Toolbar) findViewById(R.id.appBar); + appBarToolbar.setVisibility(View.VISIBLE); + + // Hides the keyboard so we can see the webpage. `0` indicates no additional flags. inputMethodManager.hideSoftInputFromWindow(mainWebView.getWindowToken(), 0); }