From 81e79cf0968640cc837d45a2d83cd9f9df4c3dd7 Mon Sep 17 00:00:00 2001
From: YuviPanda <yuvipanda@gmail.com>
Date: Wed, 10 Jul 2013 20:44:59 +0000
Subject: [PATCH] Make thumbnails load faster by loading smaller Thumbnails

GitHub: https://github.com/wikimedia/apps-android-commons/pull/25
Change-Id: I0af540a1d84348a7a3e67c6037cd509b88b84b21
---
 commons/res/layout/layout_contribution.xml         |  2 ++
 commons/res/values/views.xml                       |  6 ++++++
 .../org/wikimedia/commons/MediaWikiImageView.java  | 14 ++++++++++++++
 3 files changed, 22 insertions(+)
 create mode 100644 commons/res/values/views.xml

diff --git a/commons/res/layout/layout_contribution.xml b/commons/res/layout/layout_contribution.xml
index 7ca86a542..fdfe42f35 100644
--- a/commons/res/layout/layout_contribution.xml
+++ b/commons/res/layout/layout_contribution.xml
@@ -1,6 +1,7 @@
 <?xml version="1.0" encoding="utf-8"?>
 
 <FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
+             xmlns:custom="http://schemas.android.com/apk/res/org.wikimedia.commons"
               android:orientation="vertical"
               android:layout_width="fill_parent"
               android:layout_height="wrap_content"
@@ -20,6 +21,7 @@
                android:layout_width="fill_parent"
                android:layout_height="240dp"
                android:scaleType="centerCrop"
+               custom:isThumbnail="true"
                />
 
     <LinearLayout
diff --git a/commons/res/values/views.xml b/commons/res/values/views.xml
new file mode 100644
index 000000000..04d270391
--- /dev/null
+++ b/commons/res/values/views.xml
@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+    <declare-styleable name="MediaWikiImageView">
+        <attr name="isThumbnail" format="boolean" />
+    </declare-styleable>
+</resources>
\ No newline at end of file
diff --git a/commons/src/main/java/org/wikimedia/commons/MediaWikiImageView.java b/commons/src/main/java/org/wikimedia/commons/MediaWikiImageView.java
index fac11f467..356694c5e 100644
--- a/commons/src/main/java/org/wikimedia/commons/MediaWikiImageView.java
+++ b/commons/src/main/java/org/wikimedia/commons/MediaWikiImageView.java
@@ -16,6 +16,7 @@
 package org.wikimedia.commons;
 
 import android.content.Context;
+import android.content.res.TypedArray;
 import android.graphics.drawable.BitmapDrawable;
 import android.text.TextUtils;
 import android.util.AttributeSet;
@@ -41,12 +42,16 @@ public class MediaWikiImageView extends ImageView {
 
     private View loadingView;
 
+    private boolean isThumbnail;
+
     public MediaWikiImageView(Context context) {
         this(context, null);
     }
 
     public MediaWikiImageView(Context context, AttributeSet attrs) {
         this(context, attrs, 0);
+        TypedArray actualAttrs = context.getTheme().obtainStyledAttributes(attrs, R.styleable.MediaWikiImageView, 0, 0);
+        isThumbnail = actualAttrs.getBoolean(0, false);
     }
 
     public MediaWikiImageView(Context context, AttributeSet attrs, int defStyle) {
@@ -84,6 +89,15 @@ public class MediaWikiImageView extends ImageView {
             return;
         }
 
+
+        // Do not count for density when loading thumbnails.
+        // FIXME: Use another 'algorithm' that doesn't punish low res devices
+        if(isThumbnail) {
+            float dpFactor =  Math.max(getResources().getDisplayMetrics().density, 1.0f);
+            width = (int) (width / dpFactor);
+            height = (int) (height / dpFactor);
+        }
+
         final String  mUrl;
         if(tryOriginal) {
             mUrl = mMedia.getImageUrl();