Add preferences to enable pinch-to-zoom and single-column layout for

messages

res/values/strings.xml

@@ -800,6 +800,13 @@ Welcome to K-9 Mail setup.  K-9 is an open source mail client for Android origin
     <string name="settings_theme_label">Theme</string>
     <string name="settings_language_label">Language</string>
 
+    <string name="settings_messageview_mobile_layout_label">Single-column layout</string>
+    <string name="settings_messageview_mobile_layout_summary">Reformat HTML messages for smaller screens</string>
+    <string name="settings_messageview_zoom_controls_label">System zoom controls</string>
+    <string name="settings_messageview_zoom_controls_summary">Enable zoom widgets or pinch-zoom if your device supports it</string>
+
+
+
     <string name="setting_language_system">System default</string>
 
     <string name="background_ops_label">Background sync</string>

res/xml/global_preferences.xml

@@ -101,6 +101,10 @@
             android:key="messageview_fixedwidth_font"
             android:title="@string/global_settings_messageview_fixedwidth_label"
             android:summary="@string/global_settings_messageview_fixedwidth_summary" />
+        <CheckBoxPreference
+            android:key="messageview_mobile_layout"
+            android:title="@string/settings_messageview_mobile_layout_label"
+            android:summary="@string/settings_messageview_mobile_layout_summary" />
 
     </PreferenceCategory>
 
@@ -139,6 +143,10 @@
             android:key="messageview_return_to_list"
             android:title="@string/global_settings_messageview_return_to_list_label"
             android:summary="@string/global_settings_messageview_return_to_list_summary" />
+        <CheckBoxPreference
+            android:key="messageview_zoom_controls"
+            android:title="@string/settings_messageview_zoom_controls_label"
+            android:summary="@string/settings_messageview_zoom_controls_summary" />
 
         <com.fsck.k9.preferences.CheckBoxListPreference
             android:key="confirm_actions"

src/com/fsck/k9/K9.java

@@ -154,6 +154,8 @@ public class K9 extends Application
     private static boolean mStartIntegratedInbox = false;
     private static boolean mMeasureAccounts = true;
     private static boolean mCountSearchMessages = true;
+    private static boolean mZoomControlsEnabled = false;
+    private static boolean mMobileOptimizedLayout = false;
 
     private static boolean useGalleryBugWorkaround = false;
     private static boolean galleryBuggy;
@@ -374,6 +376,10 @@ public class K9 extends Application
         editor.putBoolean("useVolumeKeysForNavigation", mUseVolumeKeysForNavigation);
         editor.putBoolean("useVolumeKeysForListNavigation", mUseVolumeKeysForListNavigation);
         editor.putBoolean("manageBack", mManageBack);
+        editor.putBoolean("zoomControlsEnabled",mZoomControlsEnabled);
+        editor.putBoolean("mobileOptimizedLayout", mMobileOptimizedLayout);
+
+
         editor.putBoolean("startIntegratedInbox", mStartIntegratedInbox);
         editor.putBoolean("measureAccounts", mMeasureAccounts);
         editor.putBoolean("countSearchMessages", mCountSearchMessages);
@@ -421,6 +427,8 @@ public class K9 extends Application
         mMessageListStars = sprefs.getBoolean("messageListStars",true);
         mMessageListCheckboxes = sprefs.getBoolean("messageListCheckboxes",false);
         mMessageListTouchable = sprefs.getBoolean("messageListTouchable",false);
+        mMobileOptimizedLayout = sprefs.getBoolean("mobileOptimizedLayout", false);
+        mZoomControlsEnabled = sprefs.getBoolean("zoomControlsEnabled",false);
 
         mShowContactName = sprefs.getBoolean("showContactName", false);
         mChangeContactNameColor = sprefs.getBoolean("changeRegisteredNameColor", false);
@@ -642,6 +650,31 @@ public class K9 extends Application
         mManageBack = manageBack;
     }
 
+    public static boolean zoomControlsEnabled()
+    {
+        return mZoomControlsEnabled;
+    }
+
+    public static void setZoomControlsEnabled(boolean zoomControlsEnabled)
+    {
+        mZoomControlsEnabled = zoomControlsEnabled;
+    }
+
+
+    public static boolean mobileOptimizedLayout()
+    {
+        return mMobileOptimizedLayout;
+    }
+
+    public static void setMobileOptimizedLayout(boolean mobileOptimizedLayout)
+    {
+        mMobileOptimizedLayout = mobileOptimizedLayout;
+    }
+
+
+
+
+
     public static boolean startIntegratedInbox()
     {
         return mStartIntegratedInbox;

src/com/fsck/k9/activity/MessageView.java

@@ -880,8 +880,14 @@ public class MessageView extends K9Activity implements OnClickListener
 
         webSettings.setSupportZoom(true);
         webSettings.setLoadsImagesAutomatically(true);
-        //webSettings.setBuiltInZoomControls(true);
+        if (K9.zoomControlsEnabled())
-        webSettings.setLayoutAlgorithm(WebSettings.LayoutAlgorithm.NARROW_COLUMNS);
+        {
+            webSettings.setBuiltInZoomControls(true);
+        }
+        if (K9.mobileOptimizedLayout())
+        {
+            webSettings.setLayoutAlgorithm(WebSettings.LayoutAlgorithm.SINGLE_COLUMN);
+        }
 
         webSettings.setTextSize(mFontSizes.getMessageViewContent());
 

src/com/fsck/k9/activity/setup/Prefs.java

@@ -55,7 +55,10 @@ public class Prefs extends K9PreferenceActivity
     private static final String PREFERENCE_MESSAGELIST_SHOW_CONTACT_NAME = "messagelist_show_contact_name";
     private static final String PREFERENCE_MESSAGELIST_CONTACT_NAME_COLOR = "messagelist_contact_name_color";
     private static final String PREFERENCE_MESSAGEVIEW_FIXEDWIDTH = "messageview_fixedwidth_font";
+
     private static final String PREFERENCE_MESSAGEVIEW_RETURN_TO_LIST = "messageview_return_to_list";
+    private static final String PREFERENCE_MESSAGEVIEW_ZOOM_CONTROLS_ENABLED = "messageview_zoom_controls";
+    private static final String PREFERENCE_MESSAGEVIEW_MOBILE_LAYOUT = "messageview_mobile_layout";
     private static final String PREFERENCE_BACKGROUND_OPS = "background_ops";
     private static final String PREFERENCE_GALLERY_BUG_WORKAROUND = "use_gallery_bug_workaround";
     private static final String PREFERENCE_DEBUG_LOGGING = "debug_logging";
@@ -81,6 +84,8 @@ public class Prefs extends K9PreferenceActivity
     private CheckBoxPreference mChangeContactNameColor;
     private CheckBoxPreference mFixedWidth;
     private CheckBoxPreference mReturnToList;
+    private CheckBoxPreference mZoomControlsEnabled;
+    private CheckBoxPreference mMobileOptimizedLayout;
     private ListPreference mBackgroundOps;
     private CheckBoxPreference mUseGalleryBugWorkaround;
     private CheckBoxPreference mDebugLogging;
@@ -218,6 +223,13 @@ public class Prefs extends K9PreferenceActivity
         mReturnToList = (CheckBoxPreference) findPreference(PREFERENCE_MESSAGEVIEW_RETURN_TO_LIST);
         mReturnToList.setChecked(K9.messageViewReturnToList());
 
+        mZoomControlsEnabled = (CheckBoxPreference) findPreference(PREFERENCE_MESSAGEVIEW_ZOOM_CONTROLS_ENABLED);
+        mZoomControlsEnabled.setChecked(K9.zoomControlsEnabled());
+
+        mMobileOptimizedLayout = (CheckBoxPreference) findPreference(PREFERENCE_MESSAGEVIEW_MOBILE_LAYOUT);
+        mMobileOptimizedLayout.setChecked(K9.mobileOptimizedLayout());
+
+
         mBackgroundOps = setupListPreference(PREFERENCE_BACKGROUND_OPS, K9.getBackgroundOps().toString());
 
         mUseGalleryBugWorkaround = (CheckBoxPreference)findPreference(PREFERENCE_GALLERY_BUG_WORKAROUND);
@@ -253,6 +265,9 @@ public class Prefs extends K9PreferenceActivity
         K9.setChangeContactNameColor(mChangeContactNameColor.isChecked());
         K9.setMessageViewFixedWidthFont(mFixedWidth.isChecked());
         K9.setMessageViewReturnToList(mReturnToList.isChecked());
+        K9.setMobileOptimizedLayout(mMobileOptimizedLayout.isChecked());
+        K9.setZoomControlsEnabled(mZoomControlsEnabled.isChecked());
+
         boolean needsRefresh = K9.setBackgroundOps(mBackgroundOps.getValue());
         K9.setUseGalleryBugWorkaround(mUseGalleryBugWorkaround.isChecked());