Refactor style code to use attrs.xml. Create a dark theme for Find on Page.

[PrivacyBrowserAndroid.git] / app / src / main / java / com / stoutner / privacybrowser / activities / MainWebViewActivity.java

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 365ca4a96ff8e83200900b9cb7b5a21d7df70dc1..02f3742f179468bd309cea8788235046733b433a 100644 (file)
--- a/app/src/main/java/com/stoutner/privacybrowser/activities/MainWebViewActivity.java
+++ b/app/src/main/java/com/stoutner/privacybrowser/activities/MainWebViewActivity.java
@@ -122,8 +122,8 @@ import java.util.Set;
 public class MainWebViewActivity extends AppCompatActivity implements NavigationView.OnNavigationItemSelectedListener, CreateHomeScreenShortcutDialog.CreateHomeScreenSchortcutListener,
         SslCertificateErrorDialog.SslCertificateErrorListener, DownloadFileDialog.DownloadFileListener, DownloadImageDialog.DownloadImageListener, UrlHistoryDialog.UrlHistoryListener {
 
-    // `appBar` is public static so it can be accessed from `OrbotProxyHelper`.  It is also used in `onCreate()`, `onOptionsItemSelected()`, `closeFindOnPage()`, and `applyAppSettings()`.
-    public static ActionBar appBar;
+    // `darkTheme` is public static so it can be accessed from `AboutActivity` and `GuideActivity`.  It is also used in `onCreate()`, `applyAppSettings()`, and `applyDomainSettings()`.
+    public static boolean darkTheme;
 
     // `favoriteIconBitmap` is public static so it can be accessed from `CreateHomeScreenShortcutDialog`, `BookmarksActivity`, `CreateBookmarkDialog`, `CreateBookmarkFolderDialog`, `EditBookmarkDialog`, `EditBookmarkFolderDialog`, `ViewSslCertificateDialog`.
     // It is also used in `onCreate()`, `onCreateHomeScreenShortcutCreate()`, and `applyDomainSettings`.
@@ -149,6 +149,9 @@ public class MainWebViewActivity extends AppCompatActivity implements Navigation
     public static boolean reloadOnRestartBoolean;
 
 
+    // `appBar` is used in `onCreate()`, `onOptionsItemSelected()`, `closeFindOnPage()`, and `applyAppSettings()`.
+    private ActionBar appBar;
+
     // `navigatingHistory` is used in `onCreate()`, `onNavigationItemSelected()`, and `applyDomainSettings()`.
     private boolean navigatingHistory;
 
@@ -298,7 +301,23 @@ public class MainWebViewActivity extends AppCompatActivity implements Navigation
     // Remove Android Studio's warning about deprecations.  We have to use the deprecated `getColor()` until API >= 23.
     @SuppressWarnings("deprecation")
     protected void onCreate(Bundle savedInstanceState) {
+        // Get a handle for `sharedPreferences`.  `this` references the current context.
+        SharedPreferences sharedPreferences = PreferenceManager.getDefaultSharedPreferences(this);
+
+        // Get the theme preference.
+        darkTheme = sharedPreferences.getBoolean("dark_theme", false);
+
+        // Set the activity theme.
+        if (darkTheme) {
+            setTheme(R.style.PrivacyBrowserDark);
+        } else {
+            setTheme(R.style.PrivacyBrowserLight);
+        }
+
+        // Run the default commands.
         super.onCreate(savedInstanceState);
+
+        // Set the content view.
         setContentView(R.layout.main_drawerlayout);
 
         // Get a handle for `inputMethodManager`.
@@ -340,7 +359,7 @@ public class MainWebViewActivity extends AppCompatActivity implements Navigation
                     highlightUrlText();
 
                     // Scroll to the beginning of the text.
-                    urlTextBox.scrollTo(0, 0);
+                    urlTextBox.setScrollX(0);
                 }
             }
         });
@@ -593,7 +612,7 @@ public class MainWebViewActivity extends AppCompatActivity implements Navigation
                     navigationForwardMenuItem.setEnabled(mainWebView.canGoForward());
                     navigationHistoryMenuItem.setEnabled((mainWebView.canGoBack() || mainWebView.canGoForward()));
 
-                    // Hide the keyboard so we can see the navigation menu.  `0` indicates no additional flags.
+                    // Hide the keyboard (if displayed) so we can see the navigation menu.  `0` indicates no additional flags.
                     inputMethodManager.hideSoftInputFromWindow(mainWebView.getWindowToken(), 0);
 
                     // Clear the focus from `urlTextBox` if it has it.
@@ -2215,6 +2234,13 @@ public class MainWebViewActivity extends AppCompatActivity implements Navigation
             // Set the proxy.  `this` refers to the current activity where an `AlertDialog` might be displayed.
             OrbotProxyHelper.setProxy(getApplicationContext(), this, "localhost", "8118");
 
+            // Set the `appBar` background to indicate proxying through Orbot is enabled.  `this` refers to the context.
+            if (darkTheme) {
+                appBar.setBackgroundDrawable(ContextCompat.getDrawable(this, R.color.dark_blue_30));
+            } else {
+                appBar.setBackgroundDrawable(ContextCompat.getDrawable(this, R.color.blue_50));
+            }
+
             // Display a message to the user if we are waiting on Orbot.
             if (!orbotStatus.equals("ON")) {
                 // Set `waitingForOrbot`.
@@ -2242,6 +2268,13 @@ public class MainWebViewActivity extends AppCompatActivity implements Navigation
             // Reset the proxy to default.  The host is `""` and the port is `"0"`.
             OrbotProxyHelper.setProxy(getApplicationContext(), this, "", "0");
 
+            // Set the default `appBar` background.  `this` refers to the context.
+            if (darkTheme) {
+                appBar.setBackgroundDrawable(ContextCompat.getDrawable(this, R.color.gray_900));
+            } else {
+                appBar.setBackgroundDrawable(ContextCompat.getDrawable(this, R.color.gray_100));
+            }
+
             // Reset `waitingForOrbot.
             waitingForOrbot = false;
         }
@@ -2441,7 +2474,11 @@ public class MainWebViewActivity extends AppCompatActivity implements Navigation
                 }
 
                 // Set a green background on `urlTextBox` to indicate that custom domain settings are being used.  We have to use the deprecated `.getDrawable()` until the minimum API >= 21.
-                urlAppBarRelativeLayout.setBackground(getResources().getDrawable(R.drawable.url_bar_background_green));
+                if (darkTheme) {
+                    urlAppBarRelativeLayout.setBackground(getResources().getDrawable(R.drawable.url_bar_background_dark_blue));
+                } else {
+                    urlAppBarRelativeLayout.setBackground(getResources().getDrawable(R.drawable.url_bar_background_light_green));
+                }
             } else {  // The URL we are loading does not have custom domain settings.  Load the defaults.
                 // Store the values from `sharedPreferences` in variables.
                 javaScriptEnabled = sharedPreferences.getBoolean("javascript_enabled", false);
@@ -2484,7 +2521,7 @@ public class MainWebViewActivity extends AppCompatActivity implements Navigation
                 }
 
                 // Set a transparent background on `urlTextBox`.  We have to use the deprecated `.getDrawable()` until the minimum API >= 21.
-                urlAppBarRelativeLayout.setBackgroundDrawable(getResources().getDrawable(R.drawable.url_bar_background_transparent));
+                urlAppBarRelativeLayout.setBackgroundDrawable(getResources().getDrawable(R.color.transparent));
             }
 
             // Close `domainsDatabaseHelper`.