Update conversation item style.

1) Don't print sender/recipient name in message body.
2) Do the split conversation icon view.
3) Adjust font sizes and colors.

src/org/thoughtcrime/securesms/components/ImageDivet.java

@@ -0,0 +1,118 @@
+package org.thoughtcrime.securesms.components;
+
+import android.content.Context;
+import android.content.res.Resources;
+import android.graphics.Canvas;
+import android.graphics.drawable.Drawable;
+import android.util.AttributeSet;
+import android.widget.ImageView;
+
+import org.thoughtcrime.securesms.R;
+
+public class ImageDivet extends ImageView {
+  private static final float CORNER_OFFSET = 12F;
+  private static final String[] POSITIONS  = new String[] {"left", "right"};
+
+  private Drawable drawable;
+
+  private int drawableIntrinsicWidth;
+  private int drawableIntrinsicHeight;
+  private int position;
+  private float density;
+
+  public ImageDivet(Context context, AttributeSet attrs, int defStyle) {
+    super(context, attrs, defStyle);
+    initialize(attrs);
+  }
+
+  public ImageDivet(Context context, AttributeSet attrs) {
+    super(context, attrs);
+    initialize(attrs);
+  }
+
+  public ImageDivet(Context context) {
+    super(context);
+    initialize(null);
+  }
+
+  private void initialize(AttributeSet attrs) {
+    if (attrs != null) {
+      position = attrs.getAttributeListValue(null, "position", POSITIONS, -1);
+    }
+
+    density = getContext().getResources().getDisplayMetrics().density;
+    setDrawable();
+  }
+
+  private void setDrawable() {
+    Resources r = getContext().getResources();
+
+    switch (position) {
+    case 0:
+      drawable = r.getDrawable(R.drawable.divet_right);
+      break;
+    case 1:
+      drawable = r.getDrawable(R.drawable.divet_left);
+      break;
+    }
+
+    drawableIntrinsicWidth  = drawable.getIntrinsicWidth();
+    drawableIntrinsicHeight = drawable.getIntrinsicHeight();
+  }
+
+  @Override
+  public void onDraw(Canvas c) {
+    super.onDraw(c);
+    c.save();
+    computeBounds(c);
+    drawable.draw(c);
+    c.restore();
+  }
+
+  public void setPosition(int position) {
+    this.position = position;
+    setDrawable();
+    invalidate();
+  }
+
+  public int getPosition() {
+    return position;
+  }
+
+  public float getCloseOffset() {
+    return CORNER_OFFSET * density;
+  }
+
+  public ImageView asImageView() {
+    return this;
+  }
+
+  public float getFarOffset() {
+    return getCloseOffset() + drawableIntrinsicHeight;
+  }
+
+  private void computeBounds(Canvas c) {
+    final int left = 0;
+    final int top = 0;
+    final int right = getWidth();
+
+    final int cornerOffset = (int) getCloseOffset();
+
+    switch (position) {
+    case 1:
+      drawable.setBounds(
+          right - drawableIntrinsicWidth,
+          top + cornerOffset,
+          right,
+          top + cornerOffset + drawableIntrinsicHeight);
+          break;
+    case 0:
+     drawable.setBounds(
+         left,
+         top + cornerOffset,
+         left + drawableIntrinsicWidth,
+         top + cornerOffset + drawableIntrinsicHeight);
+     break;
+    }
+  }
+}