From 0ee49a072c3ccfd7b06a23b5950f41e863eff2a5 Mon Sep 17 00:00:00 2001
From: Andrew Dolgov <noreply@fakecake.org>
Date: Mon, 12 Aug 2019 12:52:45 +0300
Subject: add option to show headline images on wifi only

---
 org.fox.ttrss/src/main/AndroidManifest.xml         |  1 +
 .../main/java/org/fox/ttrss/HeadlinesFragment.java | 33 ++++++++++++++++++----
 org.fox.ttrss/src/main/res/values/strings.xml      |  2 ++
 org.fox.ttrss/src/main/res/xml/preferences.xml     | 23 +++++++++++----
 4 files changed, 49 insertions(+), 10 deletions(-)

diff --git a/org.fox.ttrss/src/main/AndroidManifest.xml b/org.fox.ttrss/src/main/AndroidManifest.xml
index dffce8ed..520ba28d 100755
--- a/org.fox.ttrss/src/main/AndroidManifest.xml
+++ b/org.fox.ttrss/src/main/AndroidManifest.xml
@@ -10,6 +10,7 @@
     <uses-permission android:name="com.android.launcher.permission.INSTALL_SHORTCUT" />
     <uses-permission android:name="android.permission.RECEIVE_BOOT_COMPLETED" />
     <uses-permission android:name="android.permission.WAKE_LOCK" />
+    <uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />
 
     <application
         android:name=".Application"
diff --git a/org.fox.ttrss/src/main/java/org/fox/ttrss/HeadlinesFragment.java b/org.fox.ttrss/src/main/java/org/fox/ttrss/HeadlinesFragment.java
index 07fbe094..c16c08cc 100755
--- a/org.fox.ttrss/src/main/java/org/fox/ttrss/HeadlinesFragment.java
+++ b/org.fox.ttrss/src/main/java/org/fox/ttrss/HeadlinesFragment.java
@@ -15,6 +15,8 @@ import android.graphics.Point;
 import android.graphics.SurfaceTexture;
 import android.graphics.drawable.Drawable;
 import android.media.MediaPlayer;
+import android.net.ConnectivityManager;
+import android.net.NetworkInfo;
 import android.net.Uri;
 import android.os.Build;
 import android.os.Bundle;
@@ -865,12 +867,31 @@ public class HeadlinesFragment extends StateSavedFragment {
         private ColorGenerator m_colorGenerator = ColorGenerator.DEFAULT;
         private TextDrawable.IBuilder m_drawableBuilder = TextDrawable.builder().round();
 
-		boolean showFlavorImage;
+		boolean flavorImageEnabled;
 		private int m_minimumHeightToEmbed;
 		boolean m_youtubeInstalled;
 		private int m_screenHeight;
 		private int m_lastAddedPosition;
 
+		private final ConnectivityManager m_cmgr;
+
+		private boolean canShowFlavorImage() {
+			if (flavorImageEnabled) {
+				if (m_prefs.getBoolean("headline_images_wifi_only", false)) {
+					// why do i have to get this service every time instead of using a member variable :(
+					NetworkInfo wifi = m_cmgr.getNetworkInfo(ConnectivityManager.TYPE_WIFI);
+
+					if (wifi != null)
+						return wifi.isConnected();
+
+				} else {
+					return true;
+				}
+			}
+
+			return false;
+		}
+
 		public ArticleListAdapter(Context context, int textViewResourceId, ArrayList<Article> items) {
 			super();
 			this.items = items;
@@ -882,7 +903,9 @@ public class HeadlinesFragment extends StateSavedFragment {
 			m_screenHeight = size.y;
 
 			String headlineMode = m_prefs.getString("headline_mode", "HL_DEFAULT");
-			showFlavorImage = "HL_DEFAULT".equals(headlineMode) || "HL_COMPACT".equals(headlineMode);
+			flavorImageEnabled = "HL_DEFAULT".equals(headlineMode) || "HL_COMPACT".equals(headlineMode);
+
+			m_cmgr = (ConnectivityManager) m_activity.getSystemService(Context.CONNECTIVITY_SERVICE);
 
 			Theme theme = context.getTheme();
 			TypedValue tv = new TypedValue();
@@ -1122,7 +1145,7 @@ public class HeadlinesFragment extends StateSavedFragment {
 					holder.excerptView.setTextSize(TypedValue.COMPLEX_UNIT_SP, headlineFontSize);
 					holder.excerptView.setText(excerpt);
 
-					if (!showFlavorImage) {
+					if (!canShowFlavorImage()) {
 						holder.excerptView.setPadding(holder.excerptView.getPaddingLeft(),
 								0,
 								holder.excerptView.getPaddingRight(),
@@ -1167,7 +1190,7 @@ public class HeadlinesFragment extends StateSavedFragment {
 					}
 				});
 
-				if (showFlavorImage && article.flavorImageUri != null && holder.flavorImageView != null) {
+				if (canShowFlavorImage() && article.flavorImageUri != null && holder.flavorImageView != null) {
 					if (holder.flavorImageOverflow != null) {
 						holder.flavorImageOverflow.setOnClickListener(new View.OnClickListener() {
 							@Override
@@ -1525,7 +1548,7 @@ public class HeadlinesFragment extends StateSavedFragment {
 
 				holder.textImage.setImageDrawable(textDrawable);
 
-				if (!showFlavorImage || article.flavorImage == null) {
+				if (!canShowFlavorImage() || article.flavorImage == null) {
 					holder.textImage.setImageDrawable(textDrawable);
 
 				} else {
diff --git a/org.fox.ttrss/src/main/res/values/strings.xml b/org.fox.ttrss/src/main/res/values/strings.xml
index 2e21d19e..d460101e 100755
--- a/org.fox.ttrss/src/main/res/values/strings.xml
+++ b/org.fox.ttrss/src/main/res/values/strings.xml
@@ -273,4 +273,6 @@
     <string name="cat_uncategorized">Uncategorized</string>
     <string name="prefs_headline_request_size">How many headlines to request</string>
     <string name="prefs_headline_request_size_long">Use lower values on slow connections</string>
+    <string name="headlines">Headlines</string>
+    <string name="prefs_headline_images_wifi_only">Show headline images on Wi-Fi only</string>
 </resources>
diff --git a/org.fox.ttrss/src/main/res/xml/preferences.xml b/org.fox.ttrss/src/main/res/xml/preferences.xml
index 47f940f1..15340386 100755
--- a/org.fox.ttrss/src/main/res/xml/preferences.xml
+++ b/org.fox.ttrss/src/main/res/xml/preferences.xml
@@ -50,6 +50,7 @@
             android:defaultValue="false"
             android:key="enable_cats"
             android:title="@string/enable_cats" />
+
         <org.fox.ttrss.util.LessBrokenSwitchPreference
             android:defaultValue="false"
             android:dependency="enable_cats"
@@ -57,6 +58,16 @@
             android:summary="@string/browse_cats_like_feeds_summary"
             android:title="@string/browse_cats_like_feeds" />
 
+        <org.fox.ttrss.util.LessBrokenSwitchPreference
+            android:defaultValue="true"
+            android:key="open_fresh_on_startup"
+            android:title="@string/prefs_open_fresh_on_startup" />
+    </PreferenceCategory>
+
+    <PreferenceCategory
+        android:key="category_headlines"
+        android:title="@string/headlines" >
+
         <org.fox.ttrss.util.LessBrokenSwitchPreference
             android:defaultValue="true"
             android:key="headlines_show_content"
@@ -97,6 +108,11 @@
             android:summary="@string/prefs_headline_display_mode_long"
             android:title="@string/prefs_headline_display_mode" />
 
+        <org.fox.ttrss.util.LessBrokenSwitchPreference
+            android:defaultValue="false"
+            android:key="headline_images_wifi_only"
+            android:title="@string/prefs_headline_images_wifi_only" />
+
         <ListPreference
             android:defaultValue="15"
             android:entries="@array/pref_headlines_request_values"
@@ -105,17 +121,14 @@
             android:summary="@string/prefs_headline_request_size_long"
             android:title="@string/prefs_headline_request_size" />
 
-        <org.fox.ttrss.util.LessBrokenSwitchPreference
-            android:defaultValue="true"
-            android:key="open_fresh_on_startup"
-            android:title="@string/prefs_open_fresh_on_startup" />
-
         <org.fox.ttrss.util.LessBrokenSwitchPreference
             android:defaultValue="false"
             android:key="inline_video_player"
             android:summary="Experimental: play videos inside headlines list. Long tap to open separate player"
             android:title="Inline video player" />
+
     </PreferenceCategory>
+
     <PreferenceCategory android:title="@string/reading" >
         <org.fox.ttrss.util.FontSizeDialogPreference
             android:defaultValue="16"
-- 
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