Updating the ui for widget restore flow

> Pending widget show a PreloadIconDrawable to indicate
installation progress
> Only the concerned widgets are reinflated on package
install and not the whole workspace.
> Adding support for storing default package icon in
IconCache

issue: 10779035
issue: 16737660

Change-Id: Id787ae4a5ef72d6e01aeb5a1bae5ab8840037679

1 files changed, 133 insertions, 20 deletions

diff --git a/src/com/android/launcher3/PendingAppWidgetHostView.java b/src/com/android/launcher3/PendingAppWidgetHostView.java
index 048e9f8c3..04014366c 100644
--- a/src/com/android/launcher3/PendingAppWidgetHostView.java
+++ b/src/com/android/launcher3/PendingAppWidgetHostView.java
@@ -1,21 +1,59 @@
+/*
+ * Copyright (C) 2014 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.
+ */
+
 package com.android.launcher3;
 
 import android.content.Context;
+import android.content.Intent;
+import android.content.res.Resources.Theme;
+import android.graphics.Bitmap;
+import android.graphics.Canvas;
+import android.graphics.Rect;
+import android.graphics.drawable.Drawable;
 import android.os.Bundle;
 import android.view.View;
 import android.view.View.OnClickListener;
-import android.widget.TextView;
 
 public class PendingAppWidgetHostView extends LauncherAppWidgetHostView implements OnClickListener {
 
-    int mRestoreStatus;
+    private static Theme sPreloaderTheme;
 
-    private TextView mDefaultView;
+    private final Rect mRect = new Rect();
+    private View mDefaultView;
     private OnClickListener mClickListener;
+    private final LauncherAppWidgetInfo mInfo;
+    private final int mStartState;
+    private final Intent mIconLookupIntent;
+
+    private Bitmap mIcon;
+    private PreloadIconDrawable mDrawable;
+
+    private Drawable mCenterDrawable;
+    private Drawable mTopCornerDrawable;
+
+    private boolean mDrawableSizeChanged;
 
-    public PendingAppWidgetHostView(Context context, int restoreStatus) {
+    public PendingAppWidgetHostView(Context context, LauncherAppWidgetInfo info) {
         super(context);
-        mRestoreStatus = restoreStatus;
+        mInfo = info;
+        mStartState = info.restoreStatus;
+        mIconLookupIntent = new Intent().setComponent(info.providerName);
+
+        setBackgroundResource(R.drawable.quantum_panel_dark);
+        setWillNotDraw(false);
     }
 
     @Override
@@ -27,7 +65,7 @@ public class PendingAppWidgetHostView extends LauncherAppWidgetHostView implemen
     @Override
     protected View getDefaultView() {
         if (mDefaultView == null) {
-            mDefaultView = (TextView) mInflater.inflate(R.layout.appwidget_not_ready, this, false);
+            mDefaultView = mInflater.inflate(R.layout.appwidget_not_ready, this, false);
             mDefaultView.setOnClickListener(this);
             applyState();
         }
@@ -39,26 +77,57 @@ public class PendingAppWidgetHostView extends LauncherAppWidgetHostView implemen
         mClickListener = l;
     }
 
-    public void setStatus(int status) {
-        if (mRestoreStatus != status) {
-            mRestoreStatus = status;
-            applyState();
-        }
+    @Override
+    public boolean isReinflateRequired() {
+        // Re inflate is required any time the widget restore status changes
+        return mStartState != mInfo.restoreStatus;
     }
 
     @Override
-    public boolean isReinflateRequired() {
-        // Re inflate is required if the the widget is restored.
-        return mRestoreStatus == LauncherAppWidgetInfo.RESTORE_COMPLETED;
+    protected void onSizeChanged(int w, int h, int oldw, int oldh) {
+        super.onSizeChanged(w, h, oldw, oldh);
+        mDrawableSizeChanged = true;
     }
 
-    private void applyState() {
-        if (mDefaultView != null) {
+    public void updateIcon(IconCache cache) {
+        Bitmap icon = cache.getIcon(mIconLookupIntent, mInfo.user);
+        if (mIcon == icon) {
+            return;
+        }
+        mIcon = icon;
+        if (mDrawable != null) {
+            mDrawable.setCallback(null);
+            mDrawable = null;
+        }
+        if (mIcon != null) {
+            // The view displays two modes, one with a setup icon and another with a preload icon
+            // in the center.
             if (isReadyForClickSetup()) {
-                mDefaultView.setText(R.string.gadget_setup_text);
+                mCenterDrawable = getResources().getDrawable(R.drawable.ic_setting);
+                mTopCornerDrawable = new FastBitmapDrawable(mIcon);
             } else {
-                mDefaultView.setText(R.string.gadget_pending_text);
+                if (sPreloaderTheme == null) {
+                    sPreloaderTheme = getResources().newTheme();
+                    sPreloaderTheme.applyStyle(R.style.PreloadIcon, true);
+                }
+
+                FastBitmapDrawable drawable = Utilities.createIconDrawable(mIcon);
+                mDrawable = new PreloadIconDrawable(drawable, sPreloaderTheme);
+                mDrawable.setCallback(this);
+                applyState();
             }
+            mDrawableSizeChanged = true;
+        }
+    }
+
+    @Override
+    protected boolean verifyDrawable(Drawable who) {
+        return (who == mDrawable) || super.verifyDrawable(who);
+    }
+
+    public void applyState() {
+        if (mDrawable != null) {
+            mDrawable.setLevel(mInfo.installProgress);
         }
     }
 
@@ -72,7 +141,51 @@ public class PendingAppWidgetHostView extends LauncherAppWidgetHostView implemen
     }
 
     public boolean isReadyForClickSetup() {
-        return (mRestoreStatus & LauncherAppWidgetInfo.FLAG_PROVIDER_NOT_READY) == 0
-                && (mRestoreStatus & LauncherAppWidgetInfo.FLAG_UI_NOT_READY) != 0;
+        return (mInfo.restoreStatus & LauncherAppWidgetInfo.FLAG_PROVIDER_NOT_READY) == 0
+                && (mInfo.restoreStatus & LauncherAppWidgetInfo.FLAG_UI_NOT_READY) != 0;
     }
+
+    @Override
+    protected void onDraw(Canvas canvas) {
+        if (mDrawable != null) {
+            if (mDrawableSizeChanged) {
+                int maxSize = LauncherAppState.getInstance().getDynamicGrid()
+                        .getDeviceProfile().iconSizePx + 2 * mDrawable.getOutset();
+                int size = Math.min(maxSize, Math.min(
+                        getWidth() - getPaddingLeft() - getPaddingRight(),
+                        getHeight() - getPaddingTop() - getPaddingBottom()));
+
+                mRect.set(0, 0, size, size);
+                mRect.inset(mDrawable.getOutset(), mDrawable.getOutset());
+                mRect.offsetTo((getWidth() - mRect.width()) / 2, (getHeight() - mRect.height()) / 2);
+                mDrawable.setBounds(mRect);
+                mDrawableSizeChanged = false;
+            }
+
+            mDrawable.draw(canvas);
+        } else if ((mCenterDrawable != null) && (mTopCornerDrawable != null)) {
+            if (mDrawableSizeChanged) {
+                int iconSize = getResources().getDimensionPixelSize(R.dimen.app_icon_size);
+                int paddingTop = getPaddingTop();
+                int paddingLeft = getPaddingLeft();
+
+                int size = Math.min(iconSize, Math.min(
+                        getWidth() - paddingLeft - getPaddingRight(),
+                        getHeight() - paddingTop - getPaddingBottom()));
+                mRect.set(0, 0, size, size);
+                mRect.offsetTo((getWidth() - mRect.width()) / 2, (getHeight() - mRect.height()) / 2);
+                mCenterDrawable.setBounds(mRect);
+
+                size = Math.min(size / 2,
+                        Math.max(mRect.top - paddingTop, mRect.left - paddingLeft));
+                mTopCornerDrawable.setBounds(paddingLeft, paddingTop,
+                        paddingLeft + size, paddingTop + size);
+                mDrawableSizeChanged = false;
+            }
+
+            mCenterDrawable.draw(canvas);
+            mTopCornerDrawable.draw(canvas);
+        }
+    }
+
 }