X-Git-Url: https://gitweb.stoutner.com/?p=PrivacyBrowserAndroid.git;a=blobdiff_plain;f=app%2Fsrc%2Fmain%2Fjava%2Fcom%2Fstoutner%2Fprivacybrowser%2Factivities%2FMainWebViewActivity.java;h=d08f7c63c625a2c45566061891ad9167b954de7a;hp=4861ae3af1d0a43682792784b95d9f80ceb9f739;hb=cd609c9888924549c03cd6509ed889cdb052d5bb;hpb=f4126c24a54f9af846371bb1515e072a818060c1 diff --git a/app/src/main/java/com/stoutner/privacybrowser/activities/MainWebViewActivity.java b/app/src/main/java/com/stoutner/privacybrowser/activities/MainWebViewActivity.java index 4861ae3a..d08f7c63 100644 --- a/app/src/main/java/com/stoutner/privacybrowser/activities/MainWebViewActivity.java +++ b/app/src/main/java/com/stoutner/privacybrowser/activities/MainWebViewActivity.java @@ -158,12 +158,16 @@ import java.io.IOException; import java.io.InputStream; import java.io.OutputStream; import java.io.UnsupportedEncodingException; + import java.net.MalformedURLException; import java.net.URL; import java.net.URLDecoder; import java.net.URLEncoder; + import java.text.NumberFormat; + import java.util.ArrayList; +import java.util.Calendar; import java.util.Date; import java.util.HashMap; import java.util.HashSet; @@ -256,6 +260,7 @@ public class MainWebViewActivity extends AppCompatActivity implements CreateBook private boolean downloadWithExternalApp; private boolean hideAppBar; private boolean scrollAppBar; + private boolean bottomAppBar; private boolean loadingNewIntent; private boolean reapplyDomainSettingsOnRestart; private boolean reapplyAppSettingsOnRestart; @@ -296,6 +301,9 @@ public class MainWebViewActivity extends AppCompatActivity implements CreateBook private boolean sanitizeFacebookClickIds; private boolean sanitizeTwitterAmpRedirects; + // Define the class variables. + private long lastScrollUpdate = 0; + // Declare the class views. private FrameLayout rootFrameLayout; private DrawerLayout drawerLayout; @@ -385,9 +393,10 @@ public class MainWebViewActivity extends AppCompatActivity implements CreateBook // Get a handle for the shared preferences. SharedPreferences sharedPreferences = PreferenceManager.getDefaultSharedPreferences(this); - // Get the screenshot preference. + // Get the preferences. String appTheme = sharedPreferences.getString("app_theme", getString(R.string.app_theme_default_value)); boolean allowScreenshots = sharedPreferences.getBoolean(getString(R.string.allow_screenshots_key), false); + bottomAppBar = sharedPreferences.getBoolean(getString(R.string.bottom_app_bar_key), false); // Get the theme entry values string array. String[] appThemeEntryValuesStringArray = getResources().getStringArray(R.array.app_theme_entry_values); @@ -423,7 +432,11 @@ public class MainWebViewActivity extends AppCompatActivity implements CreateBook setTheme(R.style.PrivacyBrowser); // Set the content view. - setContentView(R.layout.main_framelayout); + if (bottomAppBar) { + setContentView(R.layout.main_framelayout_bottom_appbar); + } else { + setContentView(R.layout.main_framelayout_top_appbar); + } // Get handles for the views. rootFrameLayout = findViewById(R.id.root_framelayout); @@ -3395,7 +3408,19 @@ public class MainWebViewActivity extends AppCompatActivity implements CreateBook }); // Implement swipe to refresh. - swipeRefreshLayout.setOnRefreshListener(() -> currentWebView.reload()); + swipeRefreshLayout.setOnRefreshListener(() -> { + // Check the visibility of the bottom app bar. Sometimes it is hidden if the WebView is the same size as the visible screen. + if (bottomAppBar && scrollAppBar && (appBarLayout.getVisibility() == View.GONE)) { // The bottom app bar is currently hidden. + // Show the app bar. + appBarLayout.setVisibility(View.VISIBLE); + + // Disable the refreshing animation. + swipeRefreshLayout.setRefreshing(false); + } else { // A bottom app bar is not currently hidden. + // Reload the website. + currentWebView.reload(); + } + }); // Store the default progress view offsets for use later in `initializeWebView()`. defaultProgressViewStartOffset = swipeRefreshLayout.getProgressViewStartOffset(); @@ -3587,51 +3612,48 @@ public class MainWebViewActivity extends AppCompatActivity implements CreateBook // Apply the proxy. applyProxy(false); - // Get the current layout parameters. Using coordinator layout parameters allows the `setBehavior()` command and using app bar layout parameters allows the `setScrollFlags()` command. - CoordinatorLayout.LayoutParams swipeRefreshLayoutParams = (CoordinatorLayout.LayoutParams) swipeRefreshLayout.getLayoutParams(); - AppBarLayout.LayoutParams toolbarLayoutParams = (AppBarLayout.LayoutParams) toolbar.getLayoutParams(); - AppBarLayout.LayoutParams findOnPageLayoutParams = (AppBarLayout.LayoutParams) findOnPageLinearLayout.getLayoutParams(); - AppBarLayout.LayoutParams tabsLayoutParams = (AppBarLayout.LayoutParams) tabsLinearLayout.getLayoutParams(); - - // Add the scrolling behavior to the layout parameters. - if (scrollAppBar) { - // Enable scrolling of the app bar. - swipeRefreshLayoutParams.setBehavior(new AppBarLayout.ScrollingViewBehavior()); - toolbarLayoutParams.setScrollFlags(AppBarLayout.LayoutParams.SCROLL_FLAG_SCROLL | AppBarLayout.LayoutParams.SCROLL_FLAG_ENTER_ALWAYS | AppBarLayout.LayoutParams.SCROLL_FLAG_SNAP); - findOnPageLayoutParams.setScrollFlags(AppBarLayout.LayoutParams.SCROLL_FLAG_SCROLL | AppBarLayout.LayoutParams.SCROLL_FLAG_ENTER_ALWAYS | AppBarLayout.LayoutParams.SCROLL_FLAG_SNAP); - tabsLayoutParams.setScrollFlags(AppBarLayout.LayoutParams.SCROLL_FLAG_SCROLL | AppBarLayout.LayoutParams.SCROLL_FLAG_ENTER_ALWAYS | AppBarLayout.LayoutParams.SCROLL_FLAG_SNAP); - } else { - // Disable scrolling of the app bar. - swipeRefreshLayoutParams.setBehavior(null); - toolbarLayoutParams.setScrollFlags(0); - findOnPageLayoutParams.setScrollFlags(0); - tabsLayoutParams.setScrollFlags(0); - - // Expand the app bar if it is currently collapsed. - appBarLayout.setExpanded(true); - } - - // Apply the modified layout parameters. - swipeRefreshLayout.setLayoutParams(swipeRefreshLayoutParams); - toolbar.setLayoutParams(toolbarLayoutParams); - findOnPageLinearLayout.setLayoutParams(findOnPageLayoutParams); - tabsLinearLayout.setLayoutParams(tabsLayoutParams); + // Adjust the layout and scrolling parameters if the app bar is at the top of the screen. + if (!bottomAppBar) { + // Get the current layout parameters. Using coordinator layout parameters allows the `setBehavior()` command and using app bar layout parameters allows the `setScrollFlags()` command. + CoordinatorLayout.LayoutParams swipeRefreshLayoutParams = (CoordinatorLayout.LayoutParams) swipeRefreshLayout.getLayoutParams(); + AppBarLayout.LayoutParams toolbarLayoutParams = (AppBarLayout.LayoutParams) toolbar.getLayoutParams(); + AppBarLayout.LayoutParams findOnPageLayoutParams = (AppBarLayout.LayoutParams) findOnPageLinearLayout.getLayoutParams(); + AppBarLayout.LayoutParams tabsLayoutParams = (AppBarLayout.LayoutParams) tabsLinearLayout.getLayoutParams(); + + // Add the scrolling behavior to the layout parameters. + if (scrollAppBar) { + // Enable scrolling of the app bar. + swipeRefreshLayoutParams.setBehavior(new AppBarLayout.ScrollingViewBehavior()); + toolbarLayoutParams.setScrollFlags(AppBarLayout.LayoutParams.SCROLL_FLAG_SCROLL | AppBarLayout.LayoutParams.SCROLL_FLAG_ENTER_ALWAYS | AppBarLayout.LayoutParams.SCROLL_FLAG_SNAP); + findOnPageLayoutParams.setScrollFlags(AppBarLayout.LayoutParams.SCROLL_FLAG_SCROLL | AppBarLayout.LayoutParams.SCROLL_FLAG_ENTER_ALWAYS | AppBarLayout.LayoutParams.SCROLL_FLAG_SNAP); + tabsLayoutParams.setScrollFlags(AppBarLayout.LayoutParams.SCROLL_FLAG_SCROLL | AppBarLayout.LayoutParams.SCROLL_FLAG_ENTER_ALWAYS | AppBarLayout.LayoutParams.SCROLL_FLAG_SNAP); + } else { + // Disable scrolling of the app bar. + swipeRefreshLayoutParams.setBehavior(null); + toolbarLayoutParams.setScrollFlags(0); + findOnPageLayoutParams.setScrollFlags(0); + tabsLayoutParams.setScrollFlags(0); + + // Expand the app bar if it is currently collapsed. + appBarLayout.setExpanded(true); + } - // Set the app bar scrolling for each WebView. - for (int i = 0; i < webViewPagerAdapter.getCount(); i++) { - // Get the WebView tab fragment. - WebViewTabFragment webViewTabFragment = webViewPagerAdapter.getPageFragment(i); + // Set the app bar scrolling for each WebView. + for (int i = 0; i < webViewPagerAdapter.getCount(); i++) { + // Get the WebView tab fragment. + WebViewTabFragment webViewTabFragment = webViewPagerAdapter.getPageFragment(i); - // Get the fragment view. - View fragmentView = webViewTabFragment.getView(); + // Get the fragment view. + View fragmentView = webViewTabFragment.getView(); - // Only modify the WebViews if they exist. - if (fragmentView != null) { - // Get the nested scroll WebView from the tab fragment. - NestedScrollWebView nestedScrollWebView = fragmentView.findViewById(R.id.nestedscroll_webview); + // Only modify the WebViews if they exist. + if (fragmentView != null) { + // Get the nested scroll WebView from the tab fragment. + NestedScrollWebView nestedScrollWebView = fragmentView.findViewById(R.id.nestedscroll_webview); - // Set the app bar scrolling. - nestedScrollWebView.setNestedScrollingEnabled(scrollAppBar); + // Set the app bar scrolling. + nestedScrollWebView.setNestedScrollingEnabled(scrollAppBar); + } } } @@ -5238,19 +5260,22 @@ public class MainWebViewActivity extends AppCompatActivity implements CreateBook // Hide the action bar. actionBar.hide(); - // Check to see if the app bar is normally scrolled. - if (scrollAppBar) { // The app bar is scrolled when it is displayed. - // Get the swipe refresh layout parameters. - CoordinatorLayout.LayoutParams swipeRefreshLayoutParams = (CoordinatorLayout.LayoutParams) swipeRefreshLayout.getLayoutParams(); - - // Remove the off-screen scrolling layout. - swipeRefreshLayoutParams.setBehavior(null); - } else { // The app bar is not scrolled when it is displayed. - // Remove the padding from the top of the swipe refresh layout. - swipeRefreshLayout.setPadding(0, 0, 0, 0); - - // The swipe refresh circle must be moved above the now removed status bar location. - swipeRefreshLayout.setProgressViewOffset(false, -200, defaultProgressViewEndOffset); + // Set layout and scrolling parameters if the app bar is at the top of the screen. + if (!bottomAppBar) { + // Check to see if the app bar is normally scrolled. + if (scrollAppBar) { // The app bar is scrolled when it is displayed. + // Get the swipe refresh layout parameters. + CoordinatorLayout.LayoutParams swipeRefreshLayoutParams = (CoordinatorLayout.LayoutParams) swipeRefreshLayout.getLayoutParams(); + + // Remove the off-screen scrolling layout. + swipeRefreshLayoutParams.setBehavior(null); + } else { // The app bar is not scrolled when it is displayed. + // Remove the padding from the top of the swipe refresh layout. + swipeRefreshLayout.setPadding(0, 0, 0, 0); + + // The swipe refresh circle must be moved above the now removed status bar location. + swipeRefreshLayout.setProgressViewOffset(false, -200, defaultProgressViewEndOffset); + } } } @@ -5280,19 +5305,22 @@ public class MainWebViewActivity extends AppCompatActivity implements CreateBook // Show the action bar. actionBar.show(); - // Check to see if the app bar is normally scrolled. - if (scrollAppBar) { // The app bar is scrolled when it is displayed. - // Get the swipe refresh layout parameters. - CoordinatorLayout.LayoutParams swipeRefreshLayoutParams = (CoordinatorLayout.LayoutParams) swipeRefreshLayout.getLayoutParams(); - - // Add the off-screen scrolling layout. - swipeRefreshLayoutParams.setBehavior(new AppBarLayout.ScrollingViewBehavior()); - } else { // The app bar is not scrolled when it is displayed. - // The swipe refresh layout must be manually moved below the app bar layout. - swipeRefreshLayout.setPadding(0, appBarHeight, 0, 0); - - // The swipe to refresh circle doesn't always hide itself completely unless it is moved up 10 pixels. - swipeRefreshLayout.setProgressViewOffset(false, defaultProgressViewStartOffset - 10 + appBarHeight, defaultProgressViewEndOffset + appBarHeight); + // Set layout and scrolling parameters if the app bar is at the top of the screen. + if (!bottomAppBar) { + // Check to see if the app bar is normally scrolled. + if (scrollAppBar) { // The app bar is scrolled when it is displayed. + // Get the swipe refresh layout parameters. + CoordinatorLayout.LayoutParams swipeRefreshLayoutParams = (CoordinatorLayout.LayoutParams) swipeRefreshLayout.getLayoutParams(); + + // Add the off-screen scrolling layout. + swipeRefreshLayoutParams.setBehavior(new AppBarLayout.ScrollingViewBehavior()); + } else { // The app bar is not scrolled when it is displayed. + // The swipe refresh layout must be manually moved below the app bar layout. + swipeRefreshLayout.setPadding(0, appBarHeight, 0, 0); + + // The swipe to refresh circle doesn't always hide itself completely unless it is moved up 10 pixels. + swipeRefreshLayout.setProgressViewOffset(false, defaultProgressViewStartOffset - 10 + appBarHeight, defaultProgressViewEndOffset + appBarHeight); + } } } @@ -5396,7 +5424,8 @@ public class MainWebViewActivity extends AppCompatActivity implements CreateBook // Update the status of swipe to refresh based on the scroll position of the nested scroll WebView. Also reinforce full screen browsing mode. // On API < 23, `getViewTreeObserver().addOnScrollChangedListener()` must be used, but it is a little bit buggy and appears to get garbage collected from time to time. if (Build.VERSION.SDK_INT >= 23) { - nestedScrollWebView.setOnScrollChangeListener((view, i, i1, i2, i3) -> { + nestedScrollWebView.setOnScrollChangeListener((view, scrollX, scrollY, oldScrollX, oldScrollY) -> { + // Set the swipe to refresh status. if (nestedScrollWebView.getSwipeToRefresh()) { // Only enable swipe to refresh if the WebView is scrolled to the top. swipeRefreshLayout.setEnabled(nestedScrollWebView.getScrollY() == 0); @@ -5405,6 +5434,18 @@ public class MainWebViewActivity extends AppCompatActivity implements CreateBook swipeRefreshLayout.setEnabled(false); } + // Set the visibility of the bottom app bar. + if (bottomAppBar && scrollAppBar && (Calendar.getInstance().getTimeInMillis() - lastScrollUpdate > 100)) { + if (scrollY - oldScrollY > 25) { // The WebView was scrolled down. + appBarLayout.setVisibility(View.GONE); + } else if (scrollY - oldScrollY < -25) { // The WebView was scrolled up. + appBarLayout.setVisibility(View.VISIBLE); + } + + // Update the last scroll update variable. This prevents the app bar from flashing on and off at the bottom of the screen. + lastScrollUpdate = Calendar.getInstance().getTimeInMillis(); + } + // Reinforce the system UI visibility flags if in full screen browsing mode. // This hides the status and navigation bars, which are displayed if other elements are shown, like dialog boxes, the options menu, or the keyboard. if (inFullScreenBrowsingMode) { @@ -5428,7 +5469,6 @@ public class MainWebViewActivity extends AppCompatActivity implements CreateBook swipeRefreshLayout.setEnabled(false); } - // Reinforce the system UI visibility flags if in full screen browsing mode. // This hides the status and navigation bars, which are displayed if other elements are shown, like dialog boxes, the options menu, or the keyboard. if (inFullScreenBrowsingMode) { @@ -6060,25 +6100,25 @@ public class MainWebViewActivity extends AppCompatActivity implements CreateBook @Override public void onPageStarted(WebView view, String url, Bitmap favicon) { - // Get the preferences. - boolean scrollAppBar = sharedPreferences.getBoolean("scroll_app_bar", true); - - // Set the top padding of the swipe refresh layout according to the app bar scrolling preference. This can't be done in `appAppSettings()` because the app bar is not yet populated there. - if (scrollAppBar || (inFullScreenBrowsingMode && hideAppBar)) { - // No padding is needed because it will automatically be placed below the app bar layout due to the scrolling layout behavior. - swipeRefreshLayout.setPadding(0, 0, 0, 0); - - // The swipe to refresh circle doesn't always hide itself completely unless it is moved up 10 pixels. - swipeRefreshLayout.setProgressViewOffset(false, defaultProgressViewStartOffset - 10, defaultProgressViewEndOffset); - } else { - // Get the app bar layout height. This can't be done in `applyAppSettings()` because the app bar is not yet populated there. - appBarHeight = appBarLayout.getHeight(); - - // The swipe refresh layout must be manually moved below the app bar layout. - swipeRefreshLayout.setPadding(0, appBarHeight, 0, 0); - - // The swipe to refresh circle doesn't always hide itself completely unless it is moved up 10 pixels. - swipeRefreshLayout.setProgressViewOffset(false, defaultProgressViewStartOffset - 10 + appBarHeight, defaultProgressViewEndOffset + appBarHeight); + // Set the padding and layout settings if the app bar is at the top of the screen. + if (!bottomAppBar) { + // Set the top padding of the swipe refresh layout according to the app bar scrolling preference. This can't be done in `appAppSettings()` because the app bar is not yet populated there. + if (scrollAppBar || (inFullScreenBrowsingMode && hideAppBar)) { + // No padding is needed because it will automatically be placed below the app bar layout due to the scrolling layout behavior. + swipeRefreshLayout.setPadding(0, 0, 0, 0); + + // The swipe to refresh circle doesn't always hide itself completely unless it is moved up 10 pixels. + swipeRefreshLayout.setProgressViewOffset(false, defaultProgressViewStartOffset - 10, defaultProgressViewEndOffset); + } else { + // Get the app bar layout height. This can't be done in `applyAppSettings()` because the app bar is not yet populated there. + appBarHeight = appBarLayout.getHeight(); + + // The swipe refresh layout must be manually moved below the app bar layout. + swipeRefreshLayout.setPadding(0, appBarHeight, 0, 0); + + // The swipe to refresh circle doesn't always hide itself completely unless it is moved up 10 pixels. + swipeRefreshLayout.setProgressViewOffset(false, defaultProgressViewStartOffset - 10 + appBarHeight, defaultProgressViewEndOffset + appBarHeight); + } } // Reset the list of resource requests.