From 6fa5f0b129eb30cfdb24da69530a2f107e8ae591 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Dominik=20Sch=C3=BCrmann?= <dominik@dominikschuermann.de>
Date: Fri, 28 Aug 2015 14:22:52 +0200
Subject: introduce text protection and fix color change after confirm

---
 .../keychain/ui/ViewKeyActivity.java               | 11 +++++++-
 .../src/main/res/layout/view_key_activity.xml      | 33 ++++++++++++++++------
 OpenKeychain/src/main/res/values/colors.xml        |  4 +++
 3 files changed, 38 insertions(+), 10 deletions(-)

diff --git a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/ViewKeyActivity.java b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/ViewKeyActivity.java
index ff213de74..4ae568d28 100644
--- a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/ViewKeyActivity.java
+++ b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/ViewKeyActivity.java
@@ -48,6 +48,7 @@ import android.view.animation.AlphaAnimation;
 import android.view.animation.Animation;
 import android.view.animation.Animation.AnimationListener;
 import android.view.animation.AnimationUtils;
+import android.widget.FrameLayout;
 import android.widget.ImageButton;
 import android.widget.ImageView;
 import android.widget.RelativeLayout;
@@ -120,6 +121,7 @@ public class ViewKeyActivity extends BaseNfcActivity implements
     private ImageButton mActionNfc;
     private FloatingActionButton mFab;
     private ImageView mPhoto;
+    private FrameLayout mPhotoLayout;
     private ImageView mQrCode;
     private CardView mQrCodeLayout;
 
@@ -169,6 +171,7 @@ public class ViewKeyActivity extends BaseNfcActivity implements
         mActionNfc = (ImageButton) findViewById(R.id.view_key_action_nfc);
         mFab = (FloatingActionButton) findViewById(R.id.fab);
         mPhoto = (ImageView) findViewById(R.id.view_key_photo);
+        mPhotoLayout = (FrameLayout) findViewById(R.id.view_key_photo_layout);
         mQrCode = (ImageView) findViewById(R.id.view_key_qr_code);
         mQrCodeLayout = (CardView) findViewById(R.id.view_key_qr_code_layout);
 
@@ -779,8 +782,12 @@ public class ViewKeyActivity extends BaseNfcActivity implements
                                 }
 
                                 protected void onPostExecute(Bitmap photo) {
+                                    if (photo == null) {
+                                        return;
+                                    }
+
                                     mPhoto.setImageBitmap(photo);
-                                    mPhoto.setVisibility(View.VISIBLE);
+                                    mPhotoLayout.setVisibility(View.VISIBLE);
                                 }
                             };
 
@@ -892,6 +899,8 @@ public class ViewKeyActivity extends BaseNfcActivity implements
                         ObjectAnimator colorFade =
                                 ObjectAnimator.ofObject(mAppBarLayout, "backgroundColor",
                                         new ArgbEvaluator(), mPreviousColor, color);
+                        mCollapsingToolbarLayout.setContentScrimColor(color);
+                        mCollapsingToolbarLayout.setStatusBarScrimColor(getStatusBarBackgroundColor(color));
 
                         colorFade.setDuration(1200);
                         colorFade.start();
diff --git a/OpenKeychain/src/main/res/layout/view_key_activity.xml b/OpenKeychain/src/main/res/layout/view_key_activity.xml
index b3b0c1bba..1c29ad759 100644
--- a/OpenKeychain/src/main/res/layout/view_key_activity.xml
+++ b/OpenKeychain/src/main/res/layout/view_key_activity.xml
@@ -34,21 +34,36 @@
                 android:fitsSystemWindows="true"
                 app:layout_collapseMode="parallax">
 
-                <ImageView
-                    android:id="@+id/view_key_photo"
+                <FrameLayout
+                    android:id="@+id/view_key_photo_layout"
                     android:layout_width="match_parent"
                     android:layout_height="match_parent"
                     android:layout_alignParentLeft="true"
                     android:layout_alignParentStart="true"
                     android:layout_alignParentTop="false"
-                    android:adjustViewBounds="false"
-                    android:baselineAlignBottom="false"
-                    android:cropToPadding="false"
                     android:fitsSystemWindows="true"
-                    android:focusable="false"
-                    android:scaleType="centerCrop"
-                    android:src="@drawable/ic_launcher"
-                    android:visibility="gone" />
+                    android:visibility="gone">
+
+                    <ImageView
+                        android:id="@+id/view_key_photo"
+                        android:layout_width="match_parent"
+                        android:layout_height="match_parent"
+                        android:adjustViewBounds="false"
+                        android:baselineAlignBottom="false"
+                        android:cropToPadding="false"
+                        android:fitsSystemWindows="true"
+                        android:focusable="false"
+                        android:scaleType="centerCrop"
+                        android:src="@drawable/ic_launcher" />
+
+                    <!-- text protection scrim -->
+                    <View
+                        android:layout_width="match_parent"
+                        android:layout_height="match_parent"
+                        android:layout_gravity="bottom"
+                        android:background="@drawable/scrim_bottom" />
+
+                </FrameLayout>
 
                 <TextView
                     android:id="@+id/view_key_status"
diff --git a/OpenKeychain/src/main/res/values/colors.xml b/OpenKeychain/src/main/res/values/colors.xml
index 5db66b945..06fe2a9cd 100644
--- a/OpenKeychain/src/main/res/values/colors.xml
+++ b/OpenKeychain/src/main/res/values/colors.xml
@@ -29,4 +29,8 @@
     <color name="android_green_light">#7bad45</color>
     <color name="android_green_dark">#6c983d</color>
 
+    <!-- text protection scrim colors -->
+    <color name="translucent_scrim_bottom">#2A000000</color>
+    <color name="translucent_scrim_bottom_center">#2A000000</color>
+
 </resources>
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