Animate component changes for status bar, nav bar and fonts

Change-Id: Ia0cd72869c3e4524e1306a00fe6f81c76b45b3a6

2 files changed, 101 insertions, 10 deletions

diff --git a/src/org/cyanogenmod/theme/chooserv2/ComponentCardView.java b/src/org/cyanogenmod/theme/chooserv2/ComponentCardView.java
index a20f032..0dc3387 100644
--- a/src/org/cyanogenmod/theme/chooserv2/ComponentCardView.java
+++ b/src/org/cyanogenmod/theme/chooserv2/ComponentCardView.java
@@ -1,15 +1,18 @@
 package org.cyanogenmod.theme.chooserv2;
 
+import android.animation.Animator;
+import android.animation.AnimatorSet;
 import android.animation.IntEvaluator;
+import android.animation.ObjectAnimator;
 import android.animation.ValueAnimator;
 import android.content.Context;
 import android.content.res.Resources;
 import android.graphics.Rect;
 import android.graphics.drawable.Drawable;
-import android.graphics.drawable.NinePatchDrawable;
 import android.graphics.drawable.TransitionDrawable;
 import android.util.AttributeSet;
 import android.view.View;
+import android.view.ViewOverlay;
 import android.widget.LinearLayout;
 import android.widget.TextView;
 
@@ -135,4 +138,60 @@ public class ComponentCardView extends LinearLayout {
         });
         bgAlphaAnimator.start();
     }
+
+    /**
+     * Animates a change in the content of the card
+     * @param v View in card to animate
+     * @param overlay Drawable to animate as a ViewOverlay
+     * @param duration Duration of animation
+     */
+    public void animateContentChange(View v, final Drawable overlay, long duration) {
+        final ViewOverlay viewOverlay = this.getOverlay();
+        viewOverlay.add(overlay);
+        final int x = (int) v.getX();
+        final int y = (int) v.getY();
+        final int width = v.getWidth();
+        final int height = v.getHeight();
+        overlay.setBounds(x, y, x + v.getWidth(), y + v.getHeight());
+
+        final ValueAnimator overlayAnimator = ValueAnimator.ofFloat(1f, 0f);
+        overlayAnimator.setDuration(duration);
+        overlayAnimator.addUpdateListener(new ValueAnimator.AnimatorUpdateListener() {
+            @Override
+            public void onAnimationUpdate(ValueAnimator animation) {
+                float value = (Float) animation.getAnimatedValue();
+                overlay.setAlpha((int) (255 * value));
+                int newWidth = (int) (value * width);
+                int newHeight = (int) (value * height);
+                int dw = (width - newWidth) / 2;
+                int dh = (height - newHeight) / 2;
+                overlay.setBounds(x + dw, y + dh, x + dw + newWidth, y + dh + newHeight);
+            }
+        });
+        overlayAnimator.addListener(new Animator.AnimatorListener() {
+            @Override
+            public void onAnimationStart(Animator animation) {}
+
+            @Override
+            public void onAnimationEnd(Animator animation) {
+                // Clear out the ViewOverlay now that we are done animating
+                viewOverlay.clear();
+            }
+
+            @Override
+            public void onAnimationCancel(Animator animation) {}
+
+            @Override
+            public void onAnimationRepeat(Animator animation) {}
+        });
+
+        AnimatorSet set = new AnimatorSet();
+        set.play(ObjectAnimator.ofFloat(v, "alpha", 0f, 1f))
+                .with(ObjectAnimator.ofFloat(v, "scaleX", 0f, 1f))
+                .with(ObjectAnimator.ofFloat(v, "scaleY", 0f, 1f));
+        set.setDuration(duration);
+
+        set.start();
+        overlayAnimator.start();
+    }
 }
diff --git a/src/org/cyanogenmod/theme/chooserv2/ThemeFragment.java b/src/org/cyanogenmod/theme/chooserv2/ThemeFragment.java
index 09df7ea..26fad1b 100644
--- a/src/org/cyanogenmod/theme/chooserv2/ThemeFragment.java
+++ b/src/org/cyanogenmod/theme/chooserv2/ThemeFragment.java
@@ -689,17 +689,17 @@ public class ThemeFragment extends Fragment implements LoaderManager.LoaderCallb
         switch (loader.getId()) {
             case LOADER_ID_ALL:
                 loadWallpaper(c);
-                loadStatusBar(c);
+                loadStatusBar(c, false);
                 loadIcons(c, false);
-                loadNavBar(c);
+                loadNavBar(c, false);
                 loadTitle(c);
-                loadFont(c);
+                loadFont(c, false);
                 break;
             case LOADER_ID_STATUS_BAR:
-                loadStatusBar(c);
+                loadStatusBar(c, true);
                 break;
             case LOADER_ID_FONT:
-                loadFont(c);
+                loadFont(c, true);
                 break;
             case LOADER_ID_ICONS:
                 loadIcons(c, true);
@@ -708,7 +708,7 @@ public class ThemeFragment extends Fragment implements LoaderManager.LoaderCallb
                 loadWallpaper(c);
                 break;
             case LOADER_ID_NAVIGATION_BAR:
-                loadNavBar(c);
+                loadNavBar(c, true);
                 break;
         }
     }
@@ -736,7 +736,7 @@ public class ThemeFragment extends Fragment implements LoaderManager.LoaderCallb
         }
     }
 
-    private void loadStatusBar(Cursor c) {
+    private void loadStatusBar(Cursor c, boolean animate) {
         int backgroundIdx = c.getColumnIndex(PreviewColumns.STATUSBAR_BACKGROUND);
         int wifiIdx = c.getColumnIndex(PreviewColumns.STATUSBAR_WIFI_ICON);
         int wifiMarginIdx = c.getColumnIndex(PreviewColumns.STATUSBAR_WIFI_COMBO_MARGIN_END);
@@ -754,6 +754,12 @@ public class ThemeFragment extends Fragment implements LoaderManager.LoaderCallb
         int wifiMargin = c.getInt(wifiMarginIdx);
         int clockTextColor = c.getInt(clockColorIdx);
 
+        if (!mStatusBar.isDrawingCacheEnabled()) mStatusBar.setDrawingCacheEnabled(true);
+        Drawable d = null;
+        if (animate) {
+            d = new BitmapDrawable(getResources(), mStatusBar.getDrawingCache());
+        }
+
         mStatusBar.setBackground(new BitmapDrawable(getActivity().getResources(), background));
         mBluetooth.setImageBitmap(bluetoothIcon);
         mWifi.setImageBitmap(wifiIcon);
@@ -781,6 +787,9 @@ public class ThemeFragment extends Fragment implements LoaderManager.LoaderCallb
             String pkgName = c.getString(pkgNameIdx);
             mSelectedComponentsMap.put(MODIFIES_STATUS_BAR, pkgName);
         }
+        if (animate) {
+            animateContentChange(R.id.status_bar_container, mStatusBar, d);
+        }
     }
 
     private void loadIcons(Cursor c, boolean animate) {
@@ -830,7 +839,7 @@ public class ThemeFragment extends Fragment implements LoaderManager.LoaderCallb
         }
     }
 
-    private void loadNavBar(Cursor c) {
+    private void loadNavBar(Cursor c, boolean animate) {
         int backButtonIdx = c.getColumnIndex(PreviewColumns.NAVBAR_BACK_BUTTON);
         int homeButtonIdx = c.getColumnIndex(PreviewColumns.NAVBAR_HOME_BUTTON);
         int recentButtonIdx = c.getColumnIndex(PreviewColumns.NAVBAR_RECENT_BUTTON);
@@ -842,6 +851,12 @@ public class ThemeFragment extends Fragment implements LoaderManager.LoaderCallb
         Bitmap homeButton = Utils.loadBitmapBlob(c, homeButtonIdx);
         Bitmap recentButton = Utils.loadBitmapBlob(c, recentButtonIdx);
 
+        if (!mNavBar.isDrawingCacheEnabled()) mNavBar.setDrawingCacheEnabled(true);
+        Drawable d = null;
+        if (animate) {
+            d = new BitmapDrawable(getResources(), mNavBar.getDrawingCache());
+        }
+
         mNavBar.setBackground(new BitmapDrawable(getActivity().getResources(), background));
         mBackButton.setImageBitmap(backButton);
         mHomeButton.setImageBitmap(homeButton);
@@ -851,9 +866,18 @@ public class ThemeFragment extends Fragment implements LoaderManager.LoaderCallb
             String pkgName = c.getString(pkgNameIdx);
             mSelectedComponentsMap.put(MODIFIES_NAVIGATION_BAR, pkgName);
         }
+        if (animate) {
+            animateContentChange(R.id.navigation_bar_container, mNavBar, d);
+        }
     }
 
-    private void loadFont(Cursor c) {
+    private void loadFont(Cursor c, boolean animate) {
+        if (!mFontPreview.isDrawingCacheEnabled()) mFontPreview.setDrawingCacheEnabled(true);
+        Drawable d = null;
+        if (animate) {
+            d = new BitmapDrawable(getResources(), mFontPreview.getDrawingCache());
+        }
+
         int pkgNameIdx = c.getColumnIndex(ThemesColumns.PKG_NAME);
         String pkgName = pkgNameIdx >= 0 ? c.getString(pkgNameIdx) : mPkgName;
         TypefaceHelperCache cache = TypefaceHelperCache.getInstance();
@@ -864,6 +888,9 @@ public class ThemeFragment extends Fragment implements LoaderManager.LoaderCallb
         if (pkgNameIdx > -1) {
             mSelectedComponentsMap.put(MODIFIES_FONTS, pkgName);
         }
+        if (animate) {
+            animateContentChange(R.id.font_preview_container, mFontPreview, d);
+        }
     }
 
     public static ComponentName[] getIconComponents(Context context) {
@@ -950,6 +977,11 @@ public class ThemeFragment extends Fragment implements LoaderManager.LoaderCallb
         }
     }
 
+    private void animateContentChange(int parentId, View viewToAnimate, Drawable overlay) {
+        ((ComponentCardView) getView().findViewById(parentId))
+                .animateContentChange(viewToAnimate, overlay, ANIMATE_COMPONENT_CHANGE_DURATION);
+    }
+
     public void fadeInCards() {
         mActiveCardId = -1;
         for (int i = 0; i < sCardIdsToComponentTypes.size(); i++) {