| /* |
| * Copyright (C) 2008 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.animation.ObjectAnimator; |
| import android.content.Context; |
| import android.content.res.ColorStateList; |
| import android.content.res.TypedArray; |
| import android.graphics.Canvas; |
| import android.graphics.Color; |
| import android.graphics.Paint; |
| import android.graphics.Point; |
| import android.graphics.Rect; |
| import android.graphics.drawable.ColorDrawable; |
| import android.graphics.drawable.Drawable; |
| import android.support.v4.graphics.ColorUtils; |
| import android.text.TextUtils.TruncateAt; |
| import android.util.AttributeSet; |
| import android.util.Property; |
| import android.util.TypedValue; |
| import android.view.KeyEvent; |
| import android.view.MotionEvent; |
| import android.view.View; |
| import android.view.ViewConfiguration; |
| import android.view.ViewDebug; |
| import android.widget.TextView; |
| |
| import com.android.launcher3.IconCache.IconLoadRequest; |
| import com.android.launcher3.IconCache.ItemInfoUpdateReceiver; |
| import com.android.launcher3.Launcher.OnResumeCallback; |
| import com.android.launcher3.badge.BadgeInfo; |
| import com.android.launcher3.badge.BadgeRenderer; |
| import com.android.launcher3.folder.FolderIcon; |
| import com.android.launcher3.graphics.DrawableFactory; |
| import com.android.launcher3.graphics.IconPalette; |
| import com.android.launcher3.graphics.PreloadIconDrawable; |
| import com.android.launcher3.model.PackageItemInfo; |
| |
| import java.text.NumberFormat; |
| |
| /** |
| * TextView that draws a bubble behind the text. We cannot use a LineBackgroundSpan |
| * because we want to make the bubble taller than the text and TextView's clip is |
| * too aggressive. |
| */ |
| public class BubbleTextView extends TextView implements ItemInfoUpdateReceiver, OnResumeCallback { |
| |
| private static final int DISPLAY_WORKSPACE = 0; |
| private static final int DISPLAY_ALL_APPS = 1; |
| private static final int DISPLAY_FOLDER = 2; |
| |
| private static final int[] STATE_PRESSED = new int[] {android.R.attr.state_pressed}; |
| |
| private final BaseDraggingActivity mActivity; |
| private Drawable mIcon; |
| private final boolean mCenterVertically; |
| |
| private final CheckLongPressHelper mLongPressHelper; |
| private final StylusEventHelper mStylusEventHelper; |
| private final float mSlop; |
| |
| private final boolean mLayoutHorizontal; |
| private final int mIconSize; |
| @ViewDebug.ExportedProperty(category = "launcher") |
| private int mTextColor; |
| private boolean mIsIconVisible = true; |
| |
| private BadgeInfo mBadgeInfo; |
| private BadgeRenderer mBadgeRenderer; |
| private int mBadgeColor; |
| private float mBadgeScale; |
| private boolean mForceHideBadge; |
| private Point mTempSpaceForBadgeOffset = new Point(); |
| private Rect mTempIconBounds = new Rect(); |
| |
| private static final Property<BubbleTextView, Float> BADGE_SCALE_PROPERTY |
| = new Property<BubbleTextView, Float>(Float.TYPE, "badgeScale") { |
| @Override |
| public Float get(BubbleTextView bubbleTextView) { |
| return bubbleTextView.mBadgeScale; |
| } |
| |
| @Override |
| public void set(BubbleTextView bubbleTextView, Float value) { |
| bubbleTextView.mBadgeScale = value; |
| bubbleTextView.invalidate(); |
| } |
| }; |
| |
| public static final Property<BubbleTextView, Integer> TEXT_ALPHA_PROPERTY |
| = new Property<BubbleTextView, Integer>(Integer.class, "textAlpha") { |
| @Override |
| public Integer get(BubbleTextView bubbleTextView) { |
| return bubbleTextView.getTextAlpha(); |
| } |
| |
| @Override |
| public void set(BubbleTextView bubbleTextView, Integer alpha) { |
| bubbleTextView.setTextAlpha(alpha); |
| } |
| }; |
| |
| @ViewDebug.ExportedProperty(category = "launcher") |
| private boolean mStayPressed; |
| @ViewDebug.ExportedProperty(category = "launcher") |
| private boolean mIgnorePressedStateChange; |
| @ViewDebug.ExportedProperty(category = "launcher") |
| private boolean mDisableRelayout = false; |
| |
| private IconLoadRequest mIconLoadRequest; |
| |
| public BubbleTextView(Context context) { |
| this(context, null, 0); |
| } |
| |
| public BubbleTextView(Context context, AttributeSet attrs) { |
| this(context, attrs, 0); |
| } |
| |
| public BubbleTextView(Context context, AttributeSet attrs, int defStyle) { |
| super(context, attrs, defStyle); |
| mActivity = BaseDraggingActivity.fromContext(context); |
| DeviceProfile grid = mActivity.getDeviceProfile(); |
| mSlop = ViewConfiguration.get(getContext()).getScaledTouchSlop(); |
| |
| TypedArray a = context.obtainStyledAttributes(attrs, |
| R.styleable.BubbleTextView, defStyle, 0); |
| mLayoutHorizontal = a.getBoolean(R.styleable.BubbleTextView_layoutHorizontal, false); |
| |
| int display = a.getInteger(R.styleable.BubbleTextView_iconDisplay, DISPLAY_WORKSPACE); |
| int defaultIconSize = grid.iconSizePx; |
| if (display == DISPLAY_WORKSPACE) { |
| setTextSize(TypedValue.COMPLEX_UNIT_PX, grid.iconTextSizePx); |
| setCompoundDrawablePadding(grid.iconDrawablePaddingPx); |
| } else if (display == DISPLAY_ALL_APPS) { |
| setTextSize(TypedValue.COMPLEX_UNIT_PX, grid.allAppsIconTextSizePx); |
| setCompoundDrawablePadding(grid.allAppsIconDrawablePaddingPx); |
| defaultIconSize = grid.allAppsIconSizePx; |
| } else if (display == DISPLAY_FOLDER) { |
| setTextSize(TypedValue.COMPLEX_UNIT_PX, grid.folderChildTextSizePx); |
| setCompoundDrawablePadding(grid.folderChildDrawablePaddingPx); |
| defaultIconSize = grid.folderChildIconSizePx; |
| } |
| mCenterVertically = a.getBoolean(R.styleable.BubbleTextView_centerVertically, false); |
| |
| mIconSize = a.getDimensionPixelSize(R.styleable.BubbleTextView_iconSizeOverride, |
| defaultIconSize); |
| a.recycle(); |
| |
| mLongPressHelper = new CheckLongPressHelper(this); |
| mStylusEventHelper = new StylusEventHelper(new SimpleOnStylusPressListener(this), this); |
| |
| setEllipsize(TruncateAt.END); |
| setAccessibilityDelegate(mActivity.getAccessibilityDelegate()); |
| |
| } |
| |
| @Override |
| protected void onFocusChanged(boolean focused, int direction, Rect previouslyFocusedRect) { |
| // Disable marques when not focused to that, so that updating text does not cause relayout. |
| setEllipsize(focused ? TruncateAt.MARQUEE : TruncateAt.END); |
| super.onFocusChanged(focused, direction, previouslyFocusedRect); |
| } |
| |
| /** |
| * Resets the view so it can be recycled. |
| */ |
| public void reset() { |
| mBadgeInfo = null; |
| mBadgeColor = Color.TRANSPARENT; |
| mBadgeScale = 0f; |
| mForceHideBadge = false; |
| } |
| |
| public void applyFromShortcutInfo(ShortcutInfo info) { |
| applyFromShortcutInfo(info, false); |
| } |
| |
| public void applyFromShortcutInfo(ShortcutInfo info, boolean promiseStateChanged) { |
| applyIconAndLabel(info); |
| setTag(info); |
| if (promiseStateChanged || (info.hasPromiseIconUi())) { |
| applyPromiseState(promiseStateChanged); |
| } |
| |
| applyBadgeState(info, false /* animate */); |
| } |
| |
| public void applyFromApplicationInfo(AppInfo info) { |
| applyIconAndLabel(info); |
| |
| // We don't need to check the info since it's not a ShortcutInfo |
| super.setTag(info); |
| |
| // Verify high res immediately |
| verifyHighRes(); |
| |
| if (info instanceof PromiseAppInfo) { |
| PromiseAppInfo promiseAppInfo = (PromiseAppInfo) info; |
| applyProgressLevel(promiseAppInfo.level); |
| } |
| applyBadgeState(info, false /* animate */); |
| } |
| |
| public void applyFromPackageItemInfo(PackageItemInfo info) { |
| applyIconAndLabel(info); |
| // We don't need to check the info since it's not a ShortcutInfo |
| super.setTag(info); |
| |
| // Verify high res immediately |
| verifyHighRes(); |
| } |
| |
| private void applyIconAndLabel(ItemInfoWithIcon info) { |
| FastBitmapDrawable iconDrawable = DrawableFactory.get(getContext()).newIcon(info); |
| mBadgeColor = IconPalette.getMutedColor(info.iconColor, 0.54f); |
| |
| setIcon(iconDrawable); |
| setText(info.title); |
| if (info.contentDescription != null) { |
| setContentDescription(info.isDisabled() |
| ? getContext().getString(R.string.disabled_app_label, info.contentDescription) |
| : info.contentDescription); |
| } |
| } |
| |
| /** |
| * Overrides the default long press timeout. |
| */ |
| public void setLongPressTimeout(int longPressTimeout) { |
| mLongPressHelper.setLongPressTimeout(longPressTimeout); |
| } |
| |
| @Override |
| public void setTag(Object tag) { |
| if (tag != null) { |
| LauncherModel.checkItemInfo((ItemInfo) tag); |
| } |
| super.setTag(tag); |
| } |
| |
| @Override |
| public void refreshDrawableState() { |
| if (!mIgnorePressedStateChange) { |
| super.refreshDrawableState(); |
| } |
| } |
| |
| @Override |
| protected int[] onCreateDrawableState(int extraSpace) { |
| final int[] drawableState = super.onCreateDrawableState(extraSpace + 1); |
| if (mStayPressed) { |
| mergeDrawableStates(drawableState, STATE_PRESSED); |
| } |
| return drawableState; |
| } |
| |
| /** Returns the icon for this view. */ |
| public Drawable getIcon() { |
| return mIcon; |
| } |
| |
| @Override |
| public boolean onTouchEvent(MotionEvent event) { |
| // Call the superclass onTouchEvent first, because sometimes it changes the state to |
| // isPressed() on an ACTION_UP |
| boolean result = super.onTouchEvent(event); |
| |
| // Check for a stylus button press, if it occurs cancel any long press checks. |
| if (mStylusEventHelper.onMotionEvent(event)) { |
| mLongPressHelper.cancelLongPress(); |
| result = true; |
| } |
| |
| switch (event.getAction()) { |
| case MotionEvent.ACTION_DOWN: |
| // If we're in a stylus button press, don't check for long press. |
| if (!mStylusEventHelper.inStylusButtonPressed()) { |
| mLongPressHelper.postCheckForLongPress(); |
| } |
| break; |
| case MotionEvent.ACTION_CANCEL: |
| case MotionEvent.ACTION_UP: |
| mLongPressHelper.cancelLongPress(); |
| break; |
| case MotionEvent.ACTION_MOVE: |
| if (!Utilities.pointInView(this, event.getX(), event.getY(), mSlop)) { |
| mLongPressHelper.cancelLongPress(); |
| } |
| break; |
| } |
| return result; |
| } |
| |
| void setStayPressed(boolean stayPressed) { |
| mStayPressed = stayPressed; |
| refreshDrawableState(); |
| } |
| |
| @Override |
| public void onLauncherResume() { |
| // Reset the pressed state of icon that was locked in the press state while activity |
| // was launching |
| setStayPressed(false); |
| } |
| |
| void clearPressedBackground() { |
| setPressed(false); |
| setStayPressed(false); |
| } |
| |
| @Override |
| public boolean onKeyUp(int keyCode, KeyEvent event) { |
| // Unlike touch events, keypress event propagate pressed state change immediately, |
| // without waiting for onClickHandler to execute. Disable pressed state changes here |
| // to avoid flickering. |
| mIgnorePressedStateChange = true; |
| boolean result = super.onKeyUp(keyCode, event); |
| mIgnorePressedStateChange = false; |
| refreshDrawableState(); |
| return result; |
| } |
| |
| @SuppressWarnings("wrongcall") |
| protected void drawWithoutBadge(Canvas canvas) { |
| super.onDraw(canvas); |
| } |
| |
| @Override |
| public void onDraw(Canvas canvas) { |
| super.onDraw(canvas); |
| drawBadgeIfNecessary(canvas); |
| } |
| |
| /** |
| * Draws the icon badge in the top right corner of the icon bounds. |
| * @param canvas The canvas to draw to. |
| */ |
| protected void drawBadgeIfNecessary(Canvas canvas) { |
| if (!mForceHideBadge && (hasBadge() || mBadgeScale > 0)) { |
| getIconBounds(mTempIconBounds); |
| mTempSpaceForBadgeOffset.set((getWidth() - mIconSize) / 2, getPaddingTop()); |
| final int scrollX = getScrollX(); |
| final int scrollY = getScrollY(); |
| canvas.translate(scrollX, scrollY); |
| mBadgeRenderer.draw(canvas, mBadgeColor, mTempIconBounds, mBadgeScale, |
| mTempSpaceForBadgeOffset); |
| canvas.translate(-scrollX, -scrollY); |
| } |
| } |
| |
| public void forceHideBadge(boolean forceHideBadge) { |
| if (mForceHideBadge == forceHideBadge) { |
| return; |
| } |
| mForceHideBadge = forceHideBadge; |
| |
| if (forceHideBadge) { |
| invalidate(); |
| } else if (hasBadge()) { |
| ObjectAnimator.ofFloat(this, BADGE_SCALE_PROPERTY, 0, 1).start(); |
| } |
| } |
| |
| private boolean hasBadge() { |
| return mBadgeInfo != null; |
| } |
| |
| public void getIconBounds(Rect outBounds) { |
| int top = getPaddingTop(); |
| int left = (getWidth() - mIconSize) / 2; |
| int right = left + mIconSize; |
| int bottom = top + mIconSize; |
| outBounds.set(left, top, right, bottom); |
| } |
| |
| @Override |
| protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) { |
| if (mCenterVertically) { |
| Paint.FontMetrics fm = getPaint().getFontMetrics(); |
| int cellHeightPx = mIconSize + getCompoundDrawablePadding() + |
| (int) Math.ceil(fm.bottom - fm.top); |
| int height = MeasureSpec.getSize(heightMeasureSpec); |
| setPadding(getPaddingLeft(), (height - cellHeightPx) / 2, getPaddingRight(), |
| getPaddingBottom()); |
| } |
| super.onMeasure(widthMeasureSpec, heightMeasureSpec); |
| } |
| |
| @Override |
| public void setTextColor(int color) { |
| mTextColor = color; |
| super.setTextColor(color); |
| } |
| |
| @Override |
| public void setTextColor(ColorStateList colors) { |
| mTextColor = colors.getDefaultColor(); |
| super.setTextColor(colors); |
| } |
| |
| public boolean shouldTextBeVisible() { |
| // Text should be visible everywhere but the hotseat. |
| Object tag = getParent() instanceof FolderIcon ? ((View) getParent()).getTag() : getTag(); |
| ItemInfo info = tag instanceof ItemInfo ? (ItemInfo) tag : null; |
| return info == null || info.container != LauncherSettings.Favorites.CONTAINER_HOTSEAT; |
| } |
| |
| public void setTextVisibility(boolean visible) { |
| if (visible) { |
| super.setTextColor(mTextColor); |
| } else { |
| setTextAlpha(0); |
| } |
| } |
| |
| public void setTextAlpha(int alpha) { |
| super.setTextColor(ColorUtils.setAlphaComponent(mTextColor, alpha)); |
| } |
| |
| private int getTextAlpha() { |
| return Color.alpha(getCurrentTextColor()); |
| } |
| |
| /** |
| * Creates an animator to fade the text in or out. |
| * @param fadeIn Whether the text should fade in or fade out. |
| */ |
| public ObjectAnimator createTextAlphaAnimator(boolean fadeIn) { |
| int toAlpha = shouldTextBeVisible() && fadeIn ? Color.alpha(mTextColor) : 0; |
| return ObjectAnimator.ofInt(this, TEXT_ALPHA_PROPERTY, toAlpha); |
| } |
| |
| @Override |
| public void cancelLongPress() { |
| super.cancelLongPress(); |
| |
| mLongPressHelper.cancelLongPress(); |
| } |
| |
| public void applyPromiseState(boolean promiseStateChanged) { |
| if (getTag() instanceof ShortcutInfo) { |
| ShortcutInfo info = (ShortcutInfo) getTag(); |
| final boolean isPromise = info.hasPromiseIconUi(); |
| final int progressLevel = isPromise ? |
| ((info.hasStatusFlag(ShortcutInfo.FLAG_INSTALL_SESSION_ACTIVE) ? |
| info.getInstallProgress() : 0)) : 100; |
| |
| PreloadIconDrawable preloadDrawable = applyProgressLevel(progressLevel); |
| if (preloadDrawable != null && promiseStateChanged) { |
| preloadDrawable.maybePerformFinishedAnimation(); |
| } |
| } |
| } |
| |
| public PreloadIconDrawable applyProgressLevel(int progressLevel) { |
| if (getTag() instanceof ItemInfoWithIcon) { |
| ItemInfoWithIcon info = (ItemInfoWithIcon) getTag(); |
| if (progressLevel >= 100) { |
| setContentDescription(info.contentDescription != null |
| ? info.contentDescription : ""); |
| } else if (progressLevel > 0) { |
| setContentDescription(getContext() |
| .getString(R.string.app_downloading_title, info.title, |
| NumberFormat.getPercentInstance().format(progressLevel * 0.01))); |
| } else { |
| setContentDescription(getContext() |
| .getString(R.string.app_waiting_download_title, info.title)); |
| } |
| if (mIcon != null) { |
| final PreloadIconDrawable preloadDrawable; |
| if (mIcon instanceof PreloadIconDrawable) { |
| preloadDrawable = (PreloadIconDrawable) mIcon; |
| preloadDrawable.setLevel(progressLevel); |
| } else { |
| preloadDrawable = DrawableFactory.get(getContext()) |
| .newPendingIcon(info, getContext()); |
| preloadDrawable.setLevel(progressLevel); |
| setIcon(preloadDrawable); |
| } |
| return preloadDrawable; |
| } |
| } |
| return null; |
| } |
| |
| public void applyBadgeState(ItemInfo itemInfo, boolean animate) { |
| if (mIcon instanceof FastBitmapDrawable) { |
| boolean wasBadged = mBadgeInfo != null; |
| mBadgeInfo = mActivity.getBadgeInfoForItem(itemInfo); |
| boolean isBadged = mBadgeInfo != null; |
| float newBadgeScale = isBadged ? 1f : 0; |
| mBadgeRenderer = mActivity.getDeviceProfile().mBadgeRenderer; |
| if (wasBadged || isBadged) { |
| // Animate when a badge is first added or when it is removed. |
| if (animate && (wasBadged ^ isBadged) && isShown()) { |
| ObjectAnimator.ofFloat(this, BADGE_SCALE_PROPERTY, newBadgeScale).start(); |
| } else { |
| mBadgeScale = newBadgeScale; |
| invalidate(); |
| } |
| } |
| if (itemInfo.contentDescription != null) { |
| if (hasBadge()) { |
| int count = mBadgeInfo.getNotificationCount(); |
| setContentDescription(getContext().getResources().getQuantityString( |
| R.plurals.badged_app_label, count, itemInfo.contentDescription, count)); |
| } else { |
| setContentDescription(itemInfo.contentDescription); |
| } |
| } |
| } |
| } |
| |
| /** |
| * Sets the icon for this view based on the layout direction. |
| */ |
| private void setIcon(Drawable icon) { |
| if (mIsIconVisible) { |
| applyCompoundDrawables(icon); |
| } |
| mIcon = icon; |
| } |
| |
| public void setIconVisible(boolean visible) { |
| mIsIconVisible = visible; |
| Drawable icon = visible ? mIcon : new ColorDrawable(Color.TRANSPARENT); |
| applyCompoundDrawables(icon); |
| } |
| |
| protected void applyCompoundDrawables(Drawable icon) { |
| // If we had already set an icon before, disable relayout as the icon size is the |
| // same as before. |
| mDisableRelayout = mIcon != null; |
| |
| icon.setBounds(0, 0, mIconSize, mIconSize); |
| if (mLayoutHorizontal) { |
| setCompoundDrawablesRelative(icon, null, null, null); |
| } else { |
| setCompoundDrawables(null, icon, null, null); |
| } |
| mDisableRelayout = false; |
| } |
| |
| @Override |
| public void requestLayout() { |
| if (!mDisableRelayout) { |
| super.requestLayout(); |
| } |
| } |
| |
| /** |
| * Applies the item info if it is same as what the view is pointing to currently. |
| */ |
| @Override |
| public void reapplyItemInfo(ItemInfoWithIcon info) { |
| if (getTag() == info) { |
| mIconLoadRequest = null; |
| mDisableRelayout = true; |
| |
| // Optimization: Starting in N, pre-uploads the bitmap to RenderThread. |
| info.iconBitmap.prepareToDraw(); |
| |
| if (info instanceof AppInfo) { |
| applyFromApplicationInfo((AppInfo) info); |
| } else if (info instanceof ShortcutInfo) { |
| applyFromShortcutInfo((ShortcutInfo) info); |
| mActivity.invalidateParent(info); |
| } else if (info instanceof PackageItemInfo) { |
| applyFromPackageItemInfo((PackageItemInfo) info); |
| } |
| |
| mDisableRelayout = false; |
| } |
| } |
| |
| /** |
| * Verifies that the current icon is high-res otherwise posts a request to load the icon. |
| */ |
| public void verifyHighRes() { |
| if (mIconLoadRequest != null) { |
| mIconLoadRequest.cancel(); |
| mIconLoadRequest = null; |
| } |
| if (getTag() instanceof ItemInfoWithIcon) { |
| ItemInfoWithIcon info = (ItemInfoWithIcon) getTag(); |
| if (info.usingLowResIcon) { |
| mIconLoadRequest = LauncherAppState.getInstance(getContext()).getIconCache() |
| .updateIconInBackground(BubbleTextView.this, info); |
| } |
| } |
| } |
| |
| public int getIconSize() { |
| return mIconSize; |
| } |
| } |