Added option to override HTML widths

app/src/main/java/eu/faircode/email/AdapterMessage.java

@@ -2610,7 +2610,10 @@ public class AdapterMessage extends RecyclerView.Adapter<AdapterMessage.ViewHold
                         HtmlHelper.guessSchemes(document);
 
                         boolean overview_mode = prefs.getBoolean("overview_mode", false);
+                        boolean override_width = prefs.getBoolean("override_width", false);
                         HtmlHelper.setViewport(document, overview_mode);
+                        if (!overview_mode && override_width)
+                            HtmlHelper.overrideWidth(document);
                         if (inline || show_images)
                             HtmlHelper.embedInlineImages(context, message.id, document, show_images);
 

app/src/main/java/eu/faircode/email/FragmentOptions.java

@@ -135,7 +135,7 @@ public class FragmentOptions extends FragmentBase {
             "font_size_sender", "sender_ellipsize",
             "subject_top", "subject_italic", "highlight_subject", "font_size_subject", "subject_ellipsize",
             "keywords_header", "labels_header", "flags", "flags_background", "preview", "preview_italic", "preview_lines",
-            "message_zoom", "overview_mode", "addresses", "button_extra", "attachments_alt", "thumbnails",
+            "message_zoom", "overview_mode", "override_width", "addresses", "button_extra", "attachments_alt", "thumbnails",
             "contrast", "monospaced", "monospaced_pre",
             "background_color", "text_color", "text_size", "text_font", "text_align", "text_separators",
             "collapse_quotes", "image_placeholders", "inline_images",

app/src/main/java/eu/faircode/email/FragmentOptionsDisplay.java

@@ -135,6 +135,7 @@ public class FragmentOptionsDisplay extends FragmentBase implements SharedPrefer
     private TextView tvMessageZoom;
     private SeekBar sbMessageZoom;
     private SwitchCompat swOverviewMode;
+    private SwitchCompat swOverrideWidth;
 
     private SwitchCompat swContrast;
     private SwitchCompat swMonospaced;
@@ -173,7 +174,7 @@ public class FragmentOptionsDisplay extends FragmentBase implements SharedPrefer
             "keywords_header", "labels_header", "flags", "flags_background",
             "preview", "preview_italic", "preview_lines",
             "addresses",
-            "message_zoom", "overview_mode", "contrast", "monospaced", "monospaced_pre",
+            "message_zoom", "overview_mode", "override_width", "contrast", "monospaced", "monospaced_pre",
             "background_color", "text_color", "text_size", "text_font", "text_align", "text_separators",
             "collapse_quotes", "image_placeholders", "inline_images", "button_extra", "attachments_alt", "thumbnails",
             "parse_classes",
@@ -267,6 +268,7 @@ public class FragmentOptionsDisplay extends FragmentBase implements SharedPrefer
         tvMessageZoom = view.findViewById(R.id.tvMessageZoom);
         sbMessageZoom = view.findViewById(R.id.sbMessageZoom);
         swOverviewMode = view.findViewById(R.id.swOverviewMode);
+        swOverrideWidth = view.findViewById(R.id.swOverrideWidth);
         swContrast = view.findViewById(R.id.swContrast);
         swMonospaced = view.findViewById(R.id.swMonospaced);
         swMonospacedPre = view.findViewById(R.id.swMonospacedPre);
@@ -898,6 +900,14 @@ public class FragmentOptionsDisplay extends FragmentBase implements SharedPrefer
             @Override
             public void onCheckedChanged(CompoundButton compoundButton, boolean checked) {
                 prefs.edit().putBoolean("overview_mode", checked).apply();
+                swOverrideWidth.setEnabled(!checked);
+            }
+        });
+
+        swOverrideWidth.setOnCheckedChangeListener(new CompoundButton.OnCheckedChangeListener() {
+            @Override
+            public void onCheckedChanged(CompoundButton compoundButton, boolean checked) {
+                prefs.edit().putBoolean("override_width", checked).apply();
             }
         });
 
@@ -1213,6 +1223,8 @@ public class FragmentOptionsDisplay extends FragmentBase implements SharedPrefer
             sbMessageZoom.setProgress(message_zoom - 50);
 
         swOverviewMode.setChecked(prefs.getBoolean("overview_mode", false));
+        swOverrideWidth.setChecked(prefs.getBoolean("override_width", false));
+        swOverrideWidth.setEnabled(!swOverviewMode.isChecked());
 
         swContrast.setChecked(prefs.getBoolean("contrast", false));
         swMonospaced.setChecked(prefs.getBoolean("monospaced", false));

app/src/main/java/eu/faircode/email/HtmlHelper.java

@@ -2064,6 +2064,13 @@ public class HtmlHelper {
             Log.i(document.head().html());
     }
 
+    static void overrideWidth(Document document) {
+        document.select("head")
+                .prepend("<style type=\"text/css\">" +
+                        "* {width: auto !important; max-width: none !important;}" +
+                        "</style>");
+    }
+
     static String getLanguage(Context context, String subject, String text) {
         try {
             SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(context);

app/src/main/res/layout/fragment_options_display.xml

@@ -1348,6 +1348,18 @@
                     app:layout_constraintStart_toStartOf="parent"
                     app:layout_constraintTop_toBottomOf="@id/swOverviewMode" />
 
+                <androidx.appcompat.widget.SwitchCompat
+                    android:id="@+id/swOverrideWidth"
+                    android:layout_width="0dp"
+                    android:layout_height="wrap_content"
+                    android:layout_marginStart="12dp"
+                    android:layout_marginTop="12dp"
+                    android:text="@string/title_advanced_override_width"
+                    app:layout_constraintEnd_toEndOf="parent"
+                    app:layout_constraintStart_toStartOf="parent"
+                    app:layout_constraintTop_toBottomOf="@id/tvOverViewModeHint"
+                    app:switchPadding="12dp" />
+
                 <androidx.appcompat.widget.SwitchCompat
                     android:id="@+id/swContrast"
                     android:layout_width="0dp"
@@ -1356,7 +1368,7 @@
                     android:text="@string/title_advanced_contrast"
                     app:layout_constraintEnd_toEndOf="parent"
                     app:layout_constraintStart_toStartOf="parent"
-                    app:layout_constraintTop_toBottomOf="@id/tvOverViewModeHint"
+                    app:layout_constraintTop_toBottomOf="@id/swOverrideWidth"
                     app:switchPadding="12dp" />
 
                 <androidx.appcompat.widget.SwitchCompat

app/src/main/res/values/strings.xml

@@ -490,6 +490,7 @@
     <string name="title_advanced_thumbnails">Show image thumbnails after the message text</string>
     <string name="title_advanced_message_text_zoom2">Default message text zoom: %1$s %%</string>
     <string name="title_advanced_overview_mode">Zoom original messages to fit the screen</string>
+    <string name="title_advanced_override_width">Override widths in original messages</string>
     <string name="title_advanced_contrast">Use high contrast for message text</string>
     <string name="title_advanced_monospaced">Use monospaced font for message text by default</string>
     <string name="title_advanced_monospaced_pre">Use monospaced font for preformatted text</string>