Add transfer indicators for attachments

Closes #3498
// FREEBIE

res/drawable/progress_background.xml

@@ -0,0 +1,5 @@
+<?xml version="1.0" encoding="utf-8"?>
+<shape xmlns:android="http://schemas.android.com/apk/res/android"
+       android:shape="oval">
+    <solid android:color="#99000000"/>
+</shape>

res/drawable/stat_sys_download.xml

@@ -1,30 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<!--
-/* //device/apps/common/res/drawable/status_icon_background.xml
-**
-** Copyright 2008, The Android Open Source Project
-**
-** Licensed under the Apache License, Version 2.0 (the "License"); 
-** you may not use this file except in compliance with the License. 
-** You may obtain a copy of the License at 
-**
-**     http://www.apache.org/licenses/LICENSE-2.0 
-**
-** Unless required by applicable law or agreed to in writing, software 
-** distributed under the License is distributed on an "AS IS" BASIS, 
-** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 
-** See the License for the specific language governing permissions and 
-** limitations under the License.
-*/
--->
-<animation-list
-        xmlns:android="http://schemas.android.com/apk/res/android"
-        android:oneshot="false">
-    <item android:drawable="@drawable/stat_sys_download_anim0" android:duration="200" />
-    <item android:drawable="@drawable/stat_sys_download_anim1" android:duration="200" />
-    <item android:drawable="@drawable/stat_sys_download_anim2" android:duration="200" />
-    <item android:drawable="@drawable/stat_sys_download_anim3" android:duration="200" />
-    <item android:drawable="@drawable/stat_sys_download_anim4" android:duration="200" />
-    <item android:drawable="@drawable/stat_sys_download_anim5" android:duration="200" />
-</animation-list>
-

res/layout/conversation_activity.xml

@@ -46,8 +46,8 @@
 
                         <org.thoughtcrime.securesms.components.ThumbnailView
                                 android:id="@+id/attachment_thumbnail"
-                                android:layout_width="wrap_content"
-                                android:layout_height="150dip"
+                                android:layout_width="230dp"
+                                android:layout_height="150dp"
                                 app:riv_corner_radius="3dp"
                                 android:contentDescription="@string/conversation_activity__attachment_thumbnail"/>
                     </FrameLayout>

res/layout/media_overview_item.xml

@@ -1,8 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
-<org.thoughtcrime.securesms.components.SquareLinearLayout
+<org.thoughtcrime.securesms.components.SquareFrameLayout
         xmlns:android="http://schemas.android.com/apk/res/android"
-        xmlns:tools="http://schemas.android.com/tools"
-        android:orientation="vertical"
         android:layout_width="match_parent"
         android:layout_height="match_parent">
 
@@ -10,8 +8,6 @@
             android:id="@+id/image"
             android:layout_width="match_parent"
             android:layout_height="match_parent"
-            android:scaleType="centerCrop"
-            android:background="#11ffffff"
             android:contentDescription="@string/media_preview_activity__image_content_description" />
 
-</org.thoughtcrime.securesms.components.SquareLinearLayout>
+</org.thoughtcrime.securesms.components.SquareFrameLayout>

res/layout/thumbnail_view.xml

@@ -1,22 +1,25 @@
 <?xml version="1.0" encoding="utf-8"?>
-<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
-             xmlns:app="http://schemas.android.com/apk/res-auto"
-             xmlns:tools="http://schemas.android.com/tools"
-              android:orientation="vertical"
-             android:layout_width="wrap_content"
-             android:layout_height="210dp">
+<merge xmlns:android="http://schemas.android.com/apk/res/android"
+       xmlns:app="http://schemas.android.com/apk/res-auto">
 
-    <org.thoughtcrime.securesms.components.ForegroundImageView
-        android:id="@+id/image_view"
-        android:layout_width="wrap_content"
-        android:layout_height="match_parent"
-        android:visibility="gone"
-        android:scaleType="centerCrop"
-        android:adjustViewBounds="true"
-        android:contentDescription="@string/conversation_item__mms_image_description"
-        app:riv_corner_radius="@dimen/message_bubble_corner_radius"
-        app:riv_border_width="@dimen/media_bubble_border_width"
-        tools:src="@drawable/ic_video_light"
-        tools:visibility="visible" />
+    <com.makeramen.roundedimageview.RoundedImageView
+            android:id="@+id/thumbnail_image"
+            android:layout_width="match_parent"
+            android:layout_height="match_parent"
+            android:adjustViewBounds="true"
+            android:contentDescription="@string/conversation_item__mms_image_description"
+            android:layout_margin="@dimen/media_bubble_border_width"
+            app:riv_corner_radius="@dimen/message_bubble_corner_radius" />
 
-</LinearLayout>
+    <com.pnikosis.materialishprogress.ProgressWheel
+            android:id="@+id/progress_wheel"
+            android:layout_width="70dp"
+            android:layout_height="70dp"
+            android:layout_gravity="center"
+            android:background="@drawable/progress_background"
+            android:visibility="gone"
+            app:matProg_barColor="@color/white"
+            app:matProg_linearProgress="true"
+            app:matProg_spinSpeed="0.333" />
+
+</merge>

res/values/attrs.xml

@@ -100,12 +100,6 @@
     <attr name="menu_forward_icon" format="reference" />
     <attr name="menu_save_icon" format="reference" />
 
-    <declare-styleable name="ForegroundImageView">
-        <attr name="android:foreground" />
-        <attr name="android:foregroundInsidePadding" />
-        <attr name="android:foregroundGravity" />
-    </declare-styleable>
-
     <attr name="pref_ic_sms_mms" format="reference" />
     <attr name="pref_ic_notifications" format="reference" />
     <attr name="pref_ic_app_protection" format="reference" />