- // Get a handle for the progress bar.
- final ProgressBar progressBar = findViewById(R.id.progress_bar);
-
- mainWebView.setWebChromeClient(new WebChromeClient() {
- // Update the progress bar when a page is loading.
- @Override
- public void onProgressChanged(WebView view, int progress) {
- // Inject the night mode CSS if night mode is enabled.
- if (nightMode) {
- // `background-color: #212121` sets the background to be dark gray. `color: #BDBDBD` sets the text color to be light gray. `box-shadow: none` removes a lower underline on links used by WordPress.
- // `text-decoration: none` removes all text underlines. `text-shadow: none` removes text shadows, which usually have a hard coded color. `border: none` removes all borders, which can also be used to underline text.
- // `a {color: #1565C0}` sets links to be a dark blue. `!important` takes precedent over any existing sub-settings.
- mainWebView.evaluateJavascript("(function() {var parent = document.getElementsByTagName('head').item(0); var style = document.createElement('style'); style.type = 'text/css'; style.innerHTML = '" +
- "* {background-color: #212121 !important; color: #BDBDBD !important; box-shadow: none !important; text-decoration: none !important; text-shadow: none !important; border: none !important;}" +
- "a {color: #1565C0 !important;}" +
- "'; parent.appendChild(style)})()", value -> {
- // Initialize a `Handler` to display `mainWebView`.
- Handler displayWebViewHandler = new Handler();
-
- // Setup a `Runnable` to display `mainWebView` after a delay to allow the CSS to be applied.
- Runnable displayWebViewRunnable = () -> {
- // Only display `mainWebView` if the progress bar is one. This prevents the display of the `WebView` while it is still loading.
- if (progressBar.getVisibility() == View.GONE) {
- mainWebView.setVisibility(View.VISIBLE);
- }
- };
-
- // Use `displayWebViewHandler` to delay the displaying of `mainWebView` for 500 milliseconds.
- displayWebViewHandler.postDelayed(displayWebViewRunnable, 500);
- });
- }
-
- progressBar.setProgress(progress);
- if (progress < 100) {
- // Show the progress bar.
- progressBar.setVisibility(View.VISIBLE);
- } else {
- // Hide the progress bar.
- progressBar.setVisibility(View.GONE);
-
- // Display `mainWebView` if night mode is disabled.
- // Because of a race condition between `applyDomainSettings` and `onPageStarted`, when night mode is set by domain settings the `WebView` may be hidden even if night mode is not currently enabled.
- if (!nightMode) {
- mainWebView.setVisibility(View.VISIBLE);
- }
-
- //Stop the `SwipeToRefresh` indicator if it is running
- swipeRefreshLayout.setRefreshing(false);
- }
- }
-
- // Set the favorite icon when it changes.
- @Override
- public void onReceivedIcon(WebView view, Bitmap icon) {
- // Only update the favorite icon if the website has finished loading.
- if (progressBar.getVisibility() == View.GONE) {
- // Save a copy of the favorite icon.
- favoriteIconBitmap = icon;
-
- // Place the favorite icon in the appBar.
- favoriteIconImageView.setImageBitmap(Bitmap.createScaledBitmap(icon, 64, 64, true));
- }
- }
-
- // Save a copy of the title when it changes.
- @Override
- public void onReceivedTitle(WebView view, String title) {
- // Save a copy of the title.
- webViewTitle = title;
- }
-
- // Enter full screen video
- @Override
- public void onShowCustomView(View view, CustomViewCallback callback) {
- // Pause the ad if this is the free flavor.
- if (BuildConfig.FLAVOR.contentEquals("free")) {
- BannerAd.pauseAd(adView);
- }
-
- // Remove the translucent overlays.
- getWindow().clearFlags(WindowManager.LayoutParams.FLAG_TRANSLUCENT_STATUS);
-
- // Remove the translucent status bar overlay on the `Drawer Layout`, which is special and needs its own command.
- drawerLayout.setSystemUiVisibility(View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN);
-
- /* SYSTEM_UI_FLAG_FULLSCREEN hides the status bar at the top of the screen.
- * SYSTEM_UI_FLAG_HIDE_NAVIGATION hides the navigation bar on the bottom or right of the screen.
- * SYSTEM_UI_FLAG_IMMERSIVE_STICKY makes the status and navigation bars translucent and automatically rehides them after they are shown.
- */
- rootCoordinatorLayout.setSystemUiVisibility(View.SYSTEM_UI_FLAG_FULLSCREEN | View.SYSTEM_UI_FLAG_HIDE_NAVIGATION | View.SYSTEM_UI_FLAG_IMMERSIVE_STICKY);
-
- // Set `rootCoordinatorLayout` to fill the entire screen.
- rootCoordinatorLayout.setFitsSystemWindows(false);
-
- // Add `view` to `fullScreenVideoFrameLayout` and display it on the screen.
- fullScreenVideoFrameLayout.addView(view);
- fullScreenVideoFrameLayout.setVisibility(View.VISIBLE);
- }
-
- // Exit full screen video
- public void onHideCustomView() {
- // Hide `fullScreenVideoFrameLayout`.
- fullScreenVideoFrameLayout.removeAllViews();
- fullScreenVideoFrameLayout.setVisibility(View.GONE);
-
- // Add the translucent status flag. This also resets `drawerLayout's` `View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN`.
- getWindow().addFlags(WindowManager.LayoutParams.FLAG_TRANSLUCENT_STATUS);