diff options
Diffstat (limited to 'src/com/android/launcher3/PendingAppWidgetHostView.java')
-rw-r--r-- | src/com/android/launcher3/PendingAppWidgetHostView.java | 241 |
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(); + } +} |