1 files changed, 241 insertions, 0 deletions
diff --git a/src/com/android/launcher3/PendingAppWidgetHostView.java b/src/com/android/launcher3/PendingAppWidgetHostView.java
new file mode 100644
index 000000000..d23a33033
--- /dev/null
+++ b/src/com/android/launcher3/PendingAppWidgetHostView.java
@@ -0,0 +1,241 @@
+/*
+ * 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.text.Layout;
+import android.text.StaticLayout;
+import android.text.TextPaint;
+import android.util.TypedValue;
+import android.view.View;
+import android.view.View.OnClickListener;
+
+public class PendingAppWidgetHostView extends LauncherAppWidgetHostView implements OnClickListener {
+
+    private static Theme sPreloaderTheme;
+
+    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;
+
+    private final TextPaint mPaint;
+    private Layout mSetupTextLayout;
+
+    public PendingAppWidgetHostView(Context context, LauncherAppWidgetInfo info) {
+        super(context);
+        mInfo = info;
+        mStartState = info.restoreStatus;
+        mIconLookupIntent = new Intent().setComponent(info.providerName);
+
+        mPaint = new TextPaint();
+        mPaint.setColor(0xFFFFFFFF);
+        mPaint.setTextSize(TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_PX,
+                getDeviceProfile().iconTextSizePx, getResources().getDisplayMetrics()));
+        setBackgroundResource(R.drawable.quantum_panel_dark);
+        setWillNotDraw(false);
+    }
+
+    @Override
+    public void updateAppWidgetSize(Bundle newOptions, int minWidth, int minHeight, int maxWidth,
+            int maxHeight) {
+        // No-op
+    }
+
+    @Override
+    protected View getDefaultView() {
+        if (mDefaultView == null) {
+            mDefaultView = mInflater.inflate(R.layout.appwidget_not_ready, this, false);
+            mDefaultView.setOnClickListener(this);
+            applyState();
+        }
+        return mDefaultView;
+    }
+
+    @Override
+    public void setOnClickListener(OnClickListener l) {
+        mClickListener = l;
+    }
+
+    @Override
+    public boolean isReinflateRequired() {
+        // Re inflate is required any time the widget restore status changes
+        return mStartState != mInfo.restoreStatus;
+    }
+
+    @Override
+    protected void onSizeChanged(int w, int h, int oldw, int oldh) {
+        super.onSizeChanged(w, h, oldw, oldh);
+        mDrawableSizeChanged = true;
+    }
+
+    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()) {
+                mCenterDrawable = getResources().getDrawable(R.drawable.ic_setting);
+                mTopCornerDrawable = new FastBitmapDrawable(mIcon);
+            } else {
+                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(Math.max(mInfo.installProgress, 0));
+        }
+    }
+
+    @Override
+    public void onClick(View v) {
+        // AppWidgetHostView blocks all click events on the root view. Instead handle click events
+        // on the content and pass it along.
+        if (mClickListener != null) {
+            mClickListener.onClick(this);
+        }
+    }
+
+    public boolean isReadyForClickSetup() {
+        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) {
+                DeviceProfile grid = getDeviceProfile();
+                int iconSize = grid.iconSizePx;
+                int paddingTop = getPaddingTop();
+                int paddingBottom = getPaddingBottom();
+                int paddingLeft = getPaddingLeft();
+                int paddingRight = getPaddingRight();
+
+                int availableWidth = getWidth() - paddingLeft - paddingRight;
+                int availableHeight = getHeight() - paddingTop - paddingBottom;
+
+                // Recreate the setup text.
+                mSetupTextLayout = new StaticLayout(
+                        getResources().getText(R.string.gadget_setup_text), mPaint, availableWidth,
+                        Layout.Alignment.ALIGN_CENTER, 1, 0, true);
+                if (mSetupTextLayout.getLineCount() == 1) {
+                    // The text fits in a single line. No need to draw the setup icon.
+                    int size = Math.min(iconSize, Math.min(availableWidth,
+                            availableHeight - mSetupTextLayout.getHeight()));
+                    mRect.set(0, 0, size, size);
+                    mRect.offsetTo((getWidth() - mRect.width()) / 2,
+                            (getHeight() - mRect.height() - mSetupTextLayout.getHeight()
+                                    - grid.iconDrawablePaddingPx) / 2);
+
+                    mTopCornerDrawable.setBounds(mRect);
+
+                    // Update left and top to indicate the position where the text will be drawn.
+                    mRect.left = paddingLeft;
+                    mRect.top = mRect.bottom + grid.iconDrawablePaddingPx;
+                } else {
+                    // The text can't be drawn in a single line. Draw a setup icon instead.
+                    mSetupTextLayout = null;
+                    int size = Math.min(iconSize, Math.min(
+                            getWidth() - paddingLeft - paddingRight,
+                            getHeight() - paddingTop - paddingBottom));
+                    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;
+            }
+
+            if (mSetupTextLayout == null) {
+                mCenterDrawable.draw(canvas);
+                mTopCornerDrawable.draw(canvas);
+            } else {
+                canvas.save();
+                canvas.translate(mRect.left, mRect.top);
+                mSetupTextLayout.draw(canvas);
+                canvas.restore();
+                mTopCornerDrawable.draw(canvas);
+            }
+        }
+    }
+
+    private DeviceProfile getDeviceProfile() {
+        return LauncherAppState.getInstance().getDynamicGrid().getDeviceProfile();
+    }
+}