mirror of
https://github.com/LawnchairLauncher/lawnchair.git
synced 2026-02-19 02:38:20 +00:00
6c651132fb
a new bitmap on every tap Bug: 27239742 Change-Id: I8e4259b79b1048e5fa82e7a1c8934ec7c52995be
650 lines
23 KiB
Java
650 lines
23 KiB
Java
/*
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* Copyright (C) 2008 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.android.launcher3;
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import android.annotation.TargetApi;
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import android.content.Context;
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import android.content.res.ColorStateList;
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import android.content.res.Resources;
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import android.content.res.Resources.Theme;
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import android.content.res.TypedArray;
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import android.graphics.Bitmap;
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import android.graphics.Canvas;
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import android.graphics.Region;
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import android.graphics.drawable.ColorDrawable;
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import android.graphics.drawable.Drawable;
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import android.os.Build;
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import android.util.AttributeSet;
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import android.util.SparseArray;
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import android.util.TypedValue;
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import android.view.KeyEvent;
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import android.view.MotionEvent;
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import android.view.View;
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import android.view.ViewConfiguration;
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import android.view.ViewDebug;
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import android.view.ViewParent;
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import android.widget.TextView;
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import com.android.launcher3.IconCache.IconLoadRequest;
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import com.android.launcher3.folder.FolderIcon;
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import com.android.launcher3.model.PackageItemInfo;
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import java.text.NumberFormat;
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/**
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* TextView that draws a bubble behind the text. We cannot use a LineBackgroundSpan
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* because we want to make the bubble taller than the text and TextView's clip is
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* too aggressive.
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*/
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public class BubbleTextView extends TextView
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implements BaseRecyclerViewFastScrollBar.FastScrollFocusableView {
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private static SparseArray<Theme> sPreloaderThemes = new SparseArray<Theme>(2);
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private static final float SHADOW_LARGE_RADIUS = 4.0f;
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private static final float SHADOW_SMALL_RADIUS = 1.75f;
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private static final float SHADOW_Y_OFFSET = 2.0f;
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private static final int SHADOW_LARGE_COLOUR = 0xDD000000;
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private static final int SHADOW_SMALL_COLOUR = 0xCC000000;
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private static final int DISPLAY_WORKSPACE = 0;
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private static final int DISPLAY_ALL_APPS = 1;
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private final Launcher mLauncher;
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private Drawable mIcon;
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private final Drawable mBackground;
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private final CheckLongPressHelper mLongPressHelper;
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private final HolographicOutlineHelper mOutlineHelper;
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private final StylusEventHelper mStylusEventHelper;
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private boolean mBackgroundSizeChanged;
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private Bitmap mPressedBackground;
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private float mSlop;
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private final boolean mDeferShadowGenerationOnTouch;
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private final boolean mCustomShadowsEnabled;
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private final boolean mLayoutHorizontal;
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private final int mIconSize;
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@ViewDebug.ExportedProperty(category = "launcher")
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private int mTextColor;
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@ViewDebug.ExportedProperty(category = "launcher")
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private boolean mStayPressed;
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@ViewDebug.ExportedProperty(category = "launcher")
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private boolean mIgnorePressedStateChange;
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@ViewDebug.ExportedProperty(category = "launcher")
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private boolean mDisableRelayout = false;
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private IconLoadRequest mIconLoadRequest;
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public BubbleTextView(Context context) {
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this(context, null, 0);
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}
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public BubbleTextView(Context context, AttributeSet attrs) {
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this(context, attrs, 0);
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}
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public BubbleTextView(Context context, AttributeSet attrs, int defStyle) {
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super(context, attrs, defStyle);
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mLauncher = (Launcher) context;
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DeviceProfile grid = mLauncher.getDeviceProfile();
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TypedArray a = context.obtainStyledAttributes(attrs,
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R.styleable.BubbleTextView, defStyle, 0);
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mCustomShadowsEnabled = a.getBoolean(R.styleable.BubbleTextView_customShadows, true);
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mLayoutHorizontal = a.getBoolean(R.styleable.BubbleTextView_layoutHorizontal, false);
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mDeferShadowGenerationOnTouch =
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a.getBoolean(R.styleable.BubbleTextView_deferShadowGeneration, false);
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int display = a.getInteger(R.styleable.BubbleTextView_iconDisplay, DISPLAY_WORKSPACE);
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int defaultIconSize = grid.iconSizePx;
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if (display == DISPLAY_WORKSPACE) {
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setTextSize(TypedValue.COMPLEX_UNIT_PX, grid.iconTextSizePx);
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} else if (display == DISPLAY_ALL_APPS) {
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setTextSize(TypedValue.COMPLEX_UNIT_SP, grid.allAppsIconTextSizeSp);
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defaultIconSize = grid.allAppsIconSizePx;
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}
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mIconSize = a.getDimensionPixelSize(R.styleable.BubbleTextView_iconSizeOverride,
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defaultIconSize);
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a.recycle();
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if (mCustomShadowsEnabled) {
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// Draw the background itself as the parent is drawn twice.
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mBackground = getBackground();
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setBackground(null);
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} else {
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mBackground = null;
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}
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mLongPressHelper = new CheckLongPressHelper(this);
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mStylusEventHelper = new StylusEventHelper(new SimpleOnStylusPressListener(this), this);
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mOutlineHelper = HolographicOutlineHelper.obtain(getContext());
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if (mCustomShadowsEnabled) {
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setShadowLayer(SHADOW_LARGE_RADIUS, 0.0f, SHADOW_Y_OFFSET, SHADOW_LARGE_COLOUR);
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}
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setAccessibilityDelegate(LauncherAppState.getInstance().getAccessibilityDelegate());
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}
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public void applyFromShortcutInfo(ShortcutInfo info, IconCache iconCache) {
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applyFromShortcutInfo(info, iconCache, false);
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}
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public void applyFromShortcutInfo(ShortcutInfo info, IconCache iconCache,
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boolean promiseStateChanged) {
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Bitmap b = info.getIcon(iconCache);
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FastBitmapDrawable iconDrawable = mLauncher.createIconDrawable(b);
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if (info.isDisabled()) {
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iconDrawable.setState(FastBitmapDrawable.State.DISABLED);
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}
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setIcon(iconDrawable, mIconSize);
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if (info.contentDescription != null) {
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setContentDescription(info.contentDescription);
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}
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setText(info.title);
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setTag(info);
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if (promiseStateChanged || info.isPromise()) {
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applyState(promiseStateChanged);
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}
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}
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public void applyFromApplicationInfo(AppInfo info) {
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FastBitmapDrawable iconDrawable = mLauncher.createIconDrawable(info.iconBitmap);
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if (info.isDisabled()) {
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iconDrawable.setState(FastBitmapDrawable.State.DISABLED);
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}
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setIcon(iconDrawable, mIconSize);
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setText(info.title);
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if (info.contentDescription != null) {
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setContentDescription(info.contentDescription);
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}
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// We don't need to check the info since it's not a ShortcutInfo
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super.setTag(info);
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// Verify high res immediately
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verifyHighRes();
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}
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public void applyFromPackageItemInfo(PackageItemInfo info) {
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setIcon(mLauncher.createIconDrawable(info.iconBitmap), mIconSize);
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setText(info.title);
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if (info.contentDescription != null) {
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setContentDescription(info.contentDescription);
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}
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// We don't need to check the info since it's not a ShortcutInfo
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super.setTag(info);
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// Verify high res immediately
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verifyHighRes();
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}
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/**
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* Used for measurement only, sets some dummy values on this view.
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*/
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public void applyDummyInfo() {
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ColorDrawable d = new ColorDrawable();
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setIcon(mLauncher.resizeIconDrawable(d), mIconSize);
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setText("");
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}
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/**
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* Overrides the default long press timeout.
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*/
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public void setLongPressTimeout(int longPressTimeout) {
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mLongPressHelper.setLongPressTimeout(longPressTimeout);
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}
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@Override
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protected boolean setFrame(int left, int top, int right, int bottom) {
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if (getLeft() != left || getRight() != right || getTop() != top || getBottom() != bottom) {
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mBackgroundSizeChanged = true;
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}
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return super.setFrame(left, top, right, bottom);
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}
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@Override
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protected boolean verifyDrawable(Drawable who) {
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return who == mBackground || super.verifyDrawable(who);
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}
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@Override
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public void setTag(Object tag) {
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if (tag != null) {
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LauncherModel.checkItemInfo((ItemInfo) tag);
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}
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super.setTag(tag);
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}
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@Override
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public void setPressed(boolean pressed) {
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super.setPressed(pressed);
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if (!mIgnorePressedStateChange) {
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updateIconState();
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}
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}
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/** Returns the icon for this view. */
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public Drawable getIcon() {
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return mIcon;
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}
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/** Returns whether the layout is horizontal. */
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public boolean isLayoutHorizontal() {
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return mLayoutHorizontal;
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}
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private void updateIconState() {
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if (mIcon instanceof FastBitmapDrawable) {
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FastBitmapDrawable d = (FastBitmapDrawable) mIcon;
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if (getTag() instanceof ItemInfo
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&& ((ItemInfo) getTag()).isDisabled()) {
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d.animateState(FastBitmapDrawable.State.DISABLED);
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} else if (isPressed() || mStayPressed) {
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d.animateState(FastBitmapDrawable.State.PRESSED);
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} else {
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d.animateState(FastBitmapDrawable.State.NORMAL);
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}
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}
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}
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@Override
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public boolean onTouchEvent(MotionEvent event) {
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// Call the superclass onTouchEvent first, because sometimes it changes the state to
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// isPressed() on an ACTION_UP
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boolean result = super.onTouchEvent(event);
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// Check for a stylus button press, if it occurs cancel any long press checks.
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if (mStylusEventHelper.onMotionEvent(event)) {
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mLongPressHelper.cancelLongPress();
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result = true;
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}
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switch (event.getAction()) {
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case MotionEvent.ACTION_DOWN:
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// So that the pressed outline is visible immediately on setStayPressed(),
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// we pre-create it on ACTION_DOWN (it takes a small but perceptible amount of time
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// to create it)
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if (!mDeferShadowGenerationOnTouch && mPressedBackground == null) {
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mPressedBackground = mOutlineHelper.createMediumDropShadow(this);
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}
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// If we're in a stylus button press, don't check for long press.
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if (!mStylusEventHelper.inStylusButtonPressed()) {
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mLongPressHelper.postCheckForLongPress();
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}
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break;
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case MotionEvent.ACTION_CANCEL:
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case MotionEvent.ACTION_UP:
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// If we've touched down and up on an item, and it's still not "pressed", then
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// destroy the pressed outline
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if (!isPressed()) {
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mPressedBackground = null;
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}
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mLongPressHelper.cancelLongPress();
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break;
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case MotionEvent.ACTION_MOVE:
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if (!Utilities.pointInView(this, event.getX(), event.getY(), mSlop)) {
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mLongPressHelper.cancelLongPress();
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}
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break;
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}
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return result;
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}
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void setStayPressed(boolean stayPressed) {
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mStayPressed = stayPressed;
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if (!stayPressed) {
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HolographicOutlineHelper.obtain(getContext()).recycleShadowBitmap(mPressedBackground);
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mPressedBackground = null;
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} else {
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if (mPressedBackground == null) {
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mPressedBackground = mOutlineHelper.createMediumDropShadow(this);
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}
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}
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// Only show the shadow effect when persistent pressed state is set.
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ViewParent parent = getParent();
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if (parent != null && parent.getParent() instanceof BubbleTextShadowHandler) {
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((BubbleTextShadowHandler) parent.getParent()).setPressedIcon(
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this, mPressedBackground);
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}
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updateIconState();
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}
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void clearPressedBackground() {
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setPressed(false);
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setStayPressed(false);
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}
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@Override
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public boolean onKeyDown(int keyCode, KeyEvent event) {
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if (super.onKeyDown(keyCode, event)) {
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// Pre-create shadow so show immediately on click.
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if (mPressedBackground == null) {
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mPressedBackground = mOutlineHelper.createMediumDropShadow(this);
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}
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return true;
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}
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return false;
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}
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@Override
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public boolean onKeyUp(int keyCode, KeyEvent event) {
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// Unlike touch events, keypress event propagate pressed state change immediately,
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// without waiting for onClickHandler to execute. Disable pressed state changes here
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// to avoid flickering.
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mIgnorePressedStateChange = true;
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boolean result = super.onKeyUp(keyCode, event);
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mPressedBackground = null;
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mIgnorePressedStateChange = false;
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updateIconState();
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return result;
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}
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@Override
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public void draw(Canvas canvas) {
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if (!mCustomShadowsEnabled) {
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super.draw(canvas);
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return;
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}
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final Drawable background = mBackground;
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if (background != null) {
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final int scrollX = getScrollX();
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final int scrollY = getScrollY();
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if (mBackgroundSizeChanged) {
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background.setBounds(0, 0, getRight() - getLeft(), getBottom() - getTop());
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mBackgroundSizeChanged = false;
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}
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if ((scrollX | scrollY) == 0) {
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background.draw(canvas);
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} else {
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canvas.translate(scrollX, scrollY);
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background.draw(canvas);
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canvas.translate(-scrollX, -scrollY);
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}
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}
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// If text is transparent, don't draw any shadow
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if (getCurrentTextColor() == getResources().getColor(android.R.color.transparent)) {
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getPaint().clearShadowLayer();
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super.draw(canvas);
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return;
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}
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// We enhance the shadow by drawing the shadow twice
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getPaint().setShadowLayer(SHADOW_LARGE_RADIUS, 0.0f, SHADOW_Y_OFFSET, SHADOW_LARGE_COLOUR);
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super.draw(canvas);
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canvas.save(Canvas.CLIP_SAVE_FLAG);
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canvas.clipRect(getScrollX(), getScrollY() + getExtendedPaddingTop(),
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getScrollX() + getWidth(),
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getScrollY() + getHeight(), Region.Op.INTERSECT);
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getPaint().setShadowLayer(SHADOW_SMALL_RADIUS, 0.0f, 0.0f, SHADOW_SMALL_COLOUR);
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super.draw(canvas);
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canvas.restore();
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}
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@Override
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protected void onAttachedToWindow() {
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super.onAttachedToWindow();
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if (mBackground != null) mBackground.setCallback(this);
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if (mIcon instanceof PreloadIconDrawable) {
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((PreloadIconDrawable) mIcon).applyPreloaderTheme(getPreloaderTheme());
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}
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mSlop = ViewConfiguration.get(getContext()).getScaledTouchSlop();
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}
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@Override
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protected void onDetachedFromWindow() {
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super.onDetachedFromWindow();
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if (mBackground != null) mBackground.setCallback(null);
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}
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@Override
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public void setTextColor(int color) {
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mTextColor = color;
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super.setTextColor(color);
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}
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@Override
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public void setTextColor(ColorStateList colors) {
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mTextColor = colors.getDefaultColor();
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super.setTextColor(colors);
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}
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public void setTextVisibility(boolean visible) {
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Resources res = getResources();
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if (visible) {
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super.setTextColor(mTextColor);
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} else {
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super.setTextColor(res.getColor(android.R.color.transparent));
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}
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}
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@Override
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public void cancelLongPress() {
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super.cancelLongPress();
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mLongPressHelper.cancelLongPress();
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}
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public void applyState(boolean promiseStateChanged) {
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if (getTag() instanceof ShortcutInfo) {
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ShortcutInfo info = (ShortcutInfo) getTag();
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final boolean isPromise = info.isPromise();
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final int progressLevel = isPromise ?
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((info.hasStatusFlag(ShortcutInfo.FLAG_INSTALL_SESSION_ACTIVE) ?
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info.getInstallProgress() : 0)) : 100;
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setContentDescription(progressLevel > 0 ?
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getContext().getString(R.string.app_downloading_title, info.title,
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NumberFormat.getPercentInstance().format(progressLevel * 0.01)) :
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getContext().getString(R.string.app_waiting_download_title, info.title));
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if (mIcon != null) {
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final PreloadIconDrawable preloadDrawable;
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if (mIcon instanceof PreloadIconDrawable) {
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preloadDrawable = (PreloadIconDrawable) mIcon;
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} else {
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preloadDrawable = new PreloadIconDrawable(mIcon, getPreloaderTheme());
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setIcon(preloadDrawable, mIconSize);
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}
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preloadDrawable.setLevel(progressLevel);
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if (promiseStateChanged) {
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preloadDrawable.maybePerformFinishedAnimation();
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}
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}
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}
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}
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private Theme getPreloaderTheme() {
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Object tag = getTag();
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int style = ((tag != null) && (tag instanceof ShortcutInfo) &&
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(((ShortcutInfo) tag).container >= 0)) ? R.style.PreloadIcon_Folder
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: R.style.PreloadIcon;
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Theme theme = sPreloaderThemes.get(style);
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if (theme == null) {
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theme = getResources().newTheme();
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theme.applyStyle(style, true);
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sPreloaderThemes.put(style, theme);
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}
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return theme;
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}
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/**
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* Sets the icon for this view based on the layout direction.
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*/
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@TargetApi(Build.VERSION_CODES.JELLY_BEAN_MR1)
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private Drawable setIcon(Drawable icon, int iconSize) {
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mIcon = icon;
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if (iconSize != -1) {
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mIcon.setBounds(0, 0, iconSize, iconSize);
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}
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if (mLayoutHorizontal) {
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if (Utilities.ATLEAST_JB_MR1) {
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setCompoundDrawablesRelative(mIcon, null, null, null);
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} else {
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setCompoundDrawables(mIcon, null, null, null);
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}
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} else {
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setCompoundDrawables(null, mIcon, null, null);
|
|
}
|
|
return icon;
|
|
}
|
|
|
|
@Override
|
|
public void requestLayout() {
|
|
if (!mDisableRelayout) {
|
|
super.requestLayout();
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Applies the item info if it is same as what the view is pointing to currently.
|
|
*/
|
|
public void reapplyItemInfo(final ItemInfo info) {
|
|
if (getTag() == info) {
|
|
FastBitmapDrawable.State prevState = FastBitmapDrawable.State.NORMAL;
|
|
if (mIcon instanceof FastBitmapDrawable) {
|
|
prevState = ((FastBitmapDrawable) mIcon).getCurrentState();
|
|
}
|
|
mIconLoadRequest = null;
|
|
mDisableRelayout = true;
|
|
|
|
if (info instanceof AppInfo) {
|
|
applyFromApplicationInfo((AppInfo) info);
|
|
} else if (info instanceof ShortcutInfo) {
|
|
applyFromShortcutInfo((ShortcutInfo) info,
|
|
LauncherAppState.getInstance().getIconCache());
|
|
if ((info.rank < FolderIcon.NUM_ITEMS_IN_PREVIEW) && (info.container >= 0)) {
|
|
View folderIcon =
|
|
mLauncher.getWorkspace().getHomescreenIconByItemId(info.container);
|
|
if (folderIcon != null) {
|
|
folderIcon.invalidate();
|
|
}
|
|
}
|
|
} else if (info instanceof PackageItemInfo) {
|
|
applyFromPackageItemInfo((PackageItemInfo) info);
|
|
}
|
|
|
|
// If we are reapplying over an old icon, then we should update the new icon to the same
|
|
// state as the old icon
|
|
if (mIcon instanceof FastBitmapDrawable) {
|
|
((FastBitmapDrawable) mIcon).setState(prevState);
|
|
}
|
|
|
|
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 AppInfo) {
|
|
AppInfo info = (AppInfo) getTag();
|
|
if (info.usingLowResIcon) {
|
|
mIconLoadRequest = LauncherAppState.getInstance().getIconCache()
|
|
.updateIconInBackground(BubbleTextView.this, info);
|
|
}
|
|
} else if (getTag() instanceof ShortcutInfo) {
|
|
ShortcutInfo info = (ShortcutInfo) getTag();
|
|
if (info.usingLowResIcon) {
|
|
mIconLoadRequest = LauncherAppState.getInstance().getIconCache()
|
|
.updateIconInBackground(BubbleTextView.this, info);
|
|
}
|
|
} else if (getTag() instanceof PackageItemInfo) {
|
|
PackageItemInfo info = (PackageItemInfo) getTag();
|
|
if (info.usingLowResIcon) {
|
|
mIconLoadRequest = LauncherAppState.getInstance().getIconCache()
|
|
.updateIconInBackground(BubbleTextView.this, info);
|
|
}
|
|
}
|
|
}
|
|
|
|
@Override
|
|
public void setFastScrollFocusState(final FastBitmapDrawable.State focusState, boolean animated) {
|
|
// We can only set the fast scroll focus state on a FastBitmapDrawable
|
|
if (!(mIcon instanceof FastBitmapDrawable)) {
|
|
return;
|
|
}
|
|
|
|
FastBitmapDrawable d = (FastBitmapDrawable) mIcon;
|
|
if (animated) {
|
|
FastBitmapDrawable.State prevState = d.getCurrentState();
|
|
if (d.animateState(focusState)) {
|
|
// If the state was updated, then update the view accordingly
|
|
animate().scaleX(focusState.viewScale)
|
|
.scaleY(focusState.viewScale)
|
|
.setStartDelay(getStartDelayForStateChange(prevState, focusState))
|
|
.setDuration(d.getDurationForStateChange(prevState, focusState))
|
|
.start();
|
|
}
|
|
} else {
|
|
if (d.setState(focusState)) {
|
|
// If the state was updated, then update the view accordingly
|
|
animate().cancel();
|
|
setScaleX(focusState.viewScale);
|
|
setScaleY(focusState.viewScale);
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Returns the start delay when animating between certain {@link FastBitmapDrawable} states.
|
|
*/
|
|
private static int getStartDelayForStateChange(final FastBitmapDrawable.State fromState,
|
|
final FastBitmapDrawable.State toState) {
|
|
switch (toState) {
|
|
case NORMAL:
|
|
switch (fromState) {
|
|
case FAST_SCROLL_HIGHLIGHTED:
|
|
return FastBitmapDrawable.FAST_SCROLL_INACTIVE_DURATION / 4;
|
|
}
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
/**
|
|
* Interface to be implemented by the grand parent to allow click shadow effect.
|
|
*/
|
|
public interface BubbleTextShadowHandler {
|
|
void setPressedIcon(BubbleTextView icon, Bitmap background);
|
|
}
|
|
}
|