mirror of
https://github.com/LawnchairLauncher/lawnchair.git
synced 2026-02-28 15:56:49 +00:00
9121fbffaf
- Fixes issue with fading in app icons when items are added/removed - Reduces number of expensive calls when drawing sections and the scrollbar - Removes fake section AppInfos in the adapters
494 lines
17 KiB
Java
494 lines
17 KiB
Java
/*
|
|
* 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.content.Context;
|
|
import android.content.res.ColorStateList;
|
|
import android.content.res.Resources;
|
|
import android.content.res.Resources.Theme;
|
|
import android.content.res.TypedArray;
|
|
import android.graphics.Bitmap;
|
|
import android.graphics.Canvas;
|
|
import android.graphics.Region;
|
|
import android.graphics.drawable.Drawable;
|
|
import android.util.AttributeSet;
|
|
import android.util.SparseArray;
|
|
import android.util.TypedValue;
|
|
import android.view.Gravity;
|
|
import android.view.KeyEvent;
|
|
import android.view.MotionEvent;
|
|
import android.view.ViewConfiguration;
|
|
import android.widget.TextView;
|
|
|
|
import com.android.launcher3.IconCache.IconLoadRequest;
|
|
|
|
/**
|
|
* 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 {
|
|
|
|
private static SparseArray<Theme> sPreloaderThemes = new SparseArray<Theme>(2);
|
|
|
|
private static final float SHADOW_LARGE_RADIUS = 4.0f;
|
|
private static final float SHADOW_SMALL_RADIUS = 1.75f;
|
|
private static final float SHADOW_Y_OFFSET = 2.0f;
|
|
private static final int SHADOW_LARGE_COLOUR = 0xDD000000;
|
|
private static final int SHADOW_SMALL_COLOUR = 0xCC000000;
|
|
static final float PADDING_V = 3.0f;
|
|
|
|
private Drawable mIcon;
|
|
private final Drawable mBackground;
|
|
private final CheckLongPressHelper mLongPressHelper;
|
|
private final HolographicOutlineHelper mOutlineHelper;
|
|
|
|
// TODO: Remove custom background handling code, as no instance of BubbleTextView use any
|
|
// background.
|
|
private boolean mBackgroundSizeChanged;
|
|
|
|
private Bitmap mPressedBackground;
|
|
|
|
private float mSlop;
|
|
|
|
private final boolean mDeferShadowGenerationOnTouch;
|
|
private final boolean mCustomShadowsEnabled;
|
|
private final boolean mLayoutHorizontal;
|
|
private final int mIconSize;
|
|
private final int mIconPaddingSize;
|
|
private final int mTextSize;
|
|
private int mTextColor;
|
|
|
|
private boolean mStayPressed;
|
|
private boolean mIgnorePressedStateChange;
|
|
|
|
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);
|
|
LauncherAppState app = LauncherAppState.getInstance();
|
|
DeviceProfile grid = app.getDynamicGrid().getDeviceProfile();
|
|
|
|
TypedArray a = context.obtainStyledAttributes(attrs,
|
|
R.styleable.BubbleTextView, defStyle, 0);
|
|
mCustomShadowsEnabled = a.getBoolean(R.styleable.BubbleTextView_customShadows, true);
|
|
mLayoutHorizontal = a.getBoolean(R.styleable.BubbleTextView_layoutHorizontal, false);
|
|
mIconSize = a.getDimensionPixelSize(R.styleable.BubbleTextView_iconSizeOverride,
|
|
grid.allAppsIconSizePx);
|
|
mIconPaddingSize = a.getDimensionPixelSize(R.styleable.BubbleTextView_iconPaddingOverride,
|
|
grid.iconDrawablePaddingPx);
|
|
mTextSize = a.getDimensionPixelSize(R.styleable.BubbleTextView_textSizeOverride,
|
|
grid.allAppsIconTextSizePx);
|
|
mDeferShadowGenerationOnTouch =
|
|
a.getBoolean(R.styleable.BubbleTextView_deferShadowGeneration, false);
|
|
a.recycle();
|
|
|
|
if (mCustomShadowsEnabled) {
|
|
// Draw the background itself as the parent is drawn twice.
|
|
mBackground = getBackground();
|
|
setBackground(null);
|
|
} else {
|
|
mBackground = null;
|
|
}
|
|
|
|
// If we are laying out horizontal, then center the text vertically
|
|
if (mLayoutHorizontal) {
|
|
setGravity(Gravity.CENTER_VERTICAL);
|
|
}
|
|
|
|
mLongPressHelper = new CheckLongPressHelper(this);
|
|
|
|
mOutlineHelper = HolographicOutlineHelper.obtain(getContext());
|
|
if (mCustomShadowsEnabled) {
|
|
setShadowLayer(SHADOW_LARGE_RADIUS, 0.0f, SHADOW_Y_OFFSET, SHADOW_LARGE_COLOUR);
|
|
}
|
|
|
|
setAccessibilityDelegate(LauncherAppState.getInstance().getAccessibilityDelegate());
|
|
}
|
|
|
|
public void onFinishInflate() {
|
|
super.onFinishInflate();
|
|
|
|
// Ensure we are using the right text size
|
|
setTextSize(TypedValue.COMPLEX_UNIT_PX, mTextSize);
|
|
}
|
|
|
|
public void applyFromShortcutInfo(ShortcutInfo info, IconCache iconCache,
|
|
boolean setDefaultPadding) {
|
|
applyFromShortcutInfo(info, iconCache, setDefaultPadding, false);
|
|
}
|
|
|
|
public void applyFromShortcutInfo(ShortcutInfo info, IconCache iconCache,
|
|
boolean setDefaultPadding, boolean promiseStateChanged) {
|
|
Bitmap b = info.getIcon(iconCache);
|
|
|
|
FastBitmapDrawable iconDrawable = Utilities.createIconDrawable(b);
|
|
iconDrawable.setGhostModeEnabled(info.isDisabled != 0);
|
|
|
|
setIcon(iconDrawable, mIconSize, setDefaultPadding ? mIconPaddingSize : -1);
|
|
if (info.contentDescription != null) {
|
|
setContentDescription(info.contentDescription);
|
|
}
|
|
setText(info.title);
|
|
setTag(info);
|
|
|
|
if (promiseStateChanged || info.isPromise()) {
|
|
applyState(promiseStateChanged);
|
|
}
|
|
}
|
|
|
|
public void applyFromApplicationInfo(AppInfo info) {
|
|
setIcon(Utilities.createIconDrawable(info.iconBitmap), mIconSize, mIconPaddingSize);
|
|
setText(info.title);
|
|
if (info.contentDescription != null) {
|
|
setContentDescription(info.contentDescription);
|
|
}
|
|
// We don't need to check the info since it's not a ShortcutInfo
|
|
super.setTag(info);
|
|
|
|
// Verify high res immediately
|
|
verifyHighRes();
|
|
}
|
|
|
|
@Override
|
|
protected boolean setFrame(int left, int top, int right, int bottom) {
|
|
if (getLeft() != left || getRight() != right || getTop() != top || getBottom() != bottom) {
|
|
mBackgroundSizeChanged = true;
|
|
}
|
|
return super.setFrame(left, top, right, bottom);
|
|
}
|
|
|
|
@Override
|
|
protected boolean verifyDrawable(Drawable who) {
|
|
return who == mBackground || super.verifyDrawable(who);
|
|
}
|
|
|
|
@Override
|
|
public void setTag(Object tag) {
|
|
if (tag != null) {
|
|
LauncherModel.checkItemInfo((ItemInfo) tag);
|
|
}
|
|
super.setTag(tag);
|
|
}
|
|
|
|
@Override
|
|
public void setPressed(boolean pressed) {
|
|
super.setPressed(pressed);
|
|
|
|
if (!mIgnorePressedStateChange) {
|
|
updateIconState();
|
|
}
|
|
}
|
|
|
|
/** Returns the icon for this view. */
|
|
public Drawable getIcon() {
|
|
return mIcon;
|
|
}
|
|
|
|
/** Returns whether the layout is horizontal. */
|
|
public boolean isLayoutHorizontal() {
|
|
return mLayoutHorizontal;
|
|
}
|
|
|
|
private void updateIconState() {
|
|
if (mIcon instanceof FastBitmapDrawable) {
|
|
((FastBitmapDrawable) mIcon).setPressed(isPressed() || mStayPressed);
|
|
}
|
|
}
|
|
|
|
@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);
|
|
|
|
switch (event.getAction()) {
|
|
case MotionEvent.ACTION_DOWN:
|
|
// So that the pressed outline is visible immediately on setStayPressed(),
|
|
// we pre-create it on ACTION_DOWN (it takes a small but perceptible amount of time
|
|
// to create it)
|
|
if (!mDeferShadowGenerationOnTouch && mPressedBackground == null) {
|
|
mPressedBackground = mOutlineHelper.createMediumDropShadow(this);
|
|
}
|
|
|
|
mLongPressHelper.postCheckForLongPress();
|
|
break;
|
|
case MotionEvent.ACTION_CANCEL:
|
|
case MotionEvent.ACTION_UP:
|
|
// If we've touched down and up on an item, and it's still not "pressed", then
|
|
// destroy the pressed outline
|
|
if (!isPressed()) {
|
|
mPressedBackground = null;
|
|
}
|
|
|
|
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;
|
|
if (!stayPressed) {
|
|
mPressedBackground = null;
|
|
} else {
|
|
if (mPressedBackground == null) {
|
|
mPressedBackground = mOutlineHelper.createMediumDropShadow(this);
|
|
}
|
|
}
|
|
|
|
// Only show the shadow effect when persistent pressed state is set.
|
|
if (getParent() instanceof ShortcutAndWidgetContainer) {
|
|
CellLayout layout = (CellLayout) getParent().getParent();
|
|
layout.setPressedIcon(this, mPressedBackground, mOutlineHelper.shadowBitmapPadding);
|
|
}
|
|
|
|
updateIconState();
|
|
}
|
|
|
|
void clearPressedBackground() {
|
|
setPressed(false);
|
|
setStayPressed(false);
|
|
}
|
|
|
|
@Override
|
|
public boolean onKeyDown(int keyCode, KeyEvent event) {
|
|
if (super.onKeyDown(keyCode, event)) {
|
|
// Pre-create shadow so show immediately on click.
|
|
if (mPressedBackground == null) {
|
|
mPressedBackground = mOutlineHelper.createMediumDropShadow(this);
|
|
}
|
|
return true;
|
|
}
|
|
return 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);
|
|
|
|
mPressedBackground = null;
|
|
mIgnorePressedStateChange = false;
|
|
updateIconState();
|
|
return result;
|
|
}
|
|
|
|
@Override
|
|
public void draw(Canvas canvas) {
|
|
if (!mCustomShadowsEnabled) {
|
|
super.draw(canvas);
|
|
return;
|
|
}
|
|
|
|
final Drawable background = mBackground;
|
|
if (background != null) {
|
|
final int scrollX = getScrollX();
|
|
final int scrollY = getScrollY();
|
|
|
|
if (mBackgroundSizeChanged) {
|
|
background.setBounds(0, 0, getRight() - getLeft(), getBottom() - getTop());
|
|
mBackgroundSizeChanged = false;
|
|
}
|
|
|
|
if ((scrollX | scrollY) == 0) {
|
|
background.draw(canvas);
|
|
} else {
|
|
canvas.translate(scrollX, scrollY);
|
|
background.draw(canvas);
|
|
canvas.translate(-scrollX, -scrollY);
|
|
}
|
|
}
|
|
|
|
// If text is transparent, don't draw any shadow
|
|
if (getCurrentTextColor() == getResources().getColor(android.R.color.transparent)) {
|
|
getPaint().clearShadowLayer();
|
|
super.draw(canvas);
|
|
return;
|
|
}
|
|
|
|
// We enhance the shadow by drawing the shadow twice
|
|
getPaint().setShadowLayer(SHADOW_LARGE_RADIUS, 0.0f, SHADOW_Y_OFFSET, SHADOW_LARGE_COLOUR);
|
|
super.draw(canvas);
|
|
canvas.save(Canvas.CLIP_SAVE_FLAG);
|
|
canvas.clipRect(getScrollX(), getScrollY() + getExtendedPaddingTop(),
|
|
getScrollX() + getWidth(),
|
|
getScrollY() + getHeight(), Region.Op.INTERSECT);
|
|
getPaint().setShadowLayer(SHADOW_SMALL_RADIUS, 0.0f, 0.0f, SHADOW_SMALL_COLOUR);
|
|
super.draw(canvas);
|
|
canvas.restore();
|
|
}
|
|
|
|
@Override
|
|
protected void onAttachedToWindow() {
|
|
super.onAttachedToWindow();
|
|
|
|
if (mBackground != null) mBackground.setCallback(this);
|
|
|
|
if (mIcon instanceof PreloadIconDrawable) {
|
|
((PreloadIconDrawable) mIcon).applyPreloaderTheme(getPreloaderTheme());
|
|
}
|
|
mSlop = ViewConfiguration.get(getContext()).getScaledTouchSlop();
|
|
}
|
|
|
|
@Override
|
|
protected void onDetachedFromWindow() {
|
|
super.onDetachedFromWindow();
|
|
if (mBackground != null) mBackground.setCallback(null);
|
|
}
|
|
|
|
@Override
|
|
public void setTextColor(int color) {
|
|
mTextColor = color;
|
|
super.setTextColor(color);
|
|
}
|
|
|
|
@Override
|
|
public void setTextColor(ColorStateList colors) {
|
|
mTextColor = colors.getDefaultColor();
|
|
super.setTextColor(colors);
|
|
}
|
|
|
|
public void setTextVisibility(boolean visible) {
|
|
Resources res = getResources();
|
|
if (visible) {
|
|
super.setTextColor(mTextColor);
|
|
} else {
|
|
super.setTextColor(res.getColor(android.R.color.transparent));
|
|
}
|
|
}
|
|
|
|
@Override
|
|
public void cancelLongPress() {
|
|
super.cancelLongPress();
|
|
|
|
mLongPressHelper.cancelLongPress();
|
|
}
|
|
|
|
public void applyState(boolean promiseStateChanged) {
|
|
if (getTag() instanceof ShortcutInfo) {
|
|
ShortcutInfo info = (ShortcutInfo) getTag();
|
|
final boolean isPromise = info.isPromise();
|
|
final int progressLevel = isPromise ?
|
|
((info.hasStatusFlag(ShortcutInfo.FLAG_INSTALL_SESSION_ACTIVE) ?
|
|
info.getInstallProgress() : 0)) : 100;
|
|
|
|
if (mIcon != null) {
|
|
final PreloadIconDrawable preloadDrawable;
|
|
if (mIcon instanceof PreloadIconDrawable) {
|
|
preloadDrawable = (PreloadIconDrawable) mIcon;
|
|
} else {
|
|
preloadDrawable = new PreloadIconDrawable(mIcon, getPreloaderTheme());
|
|
setIcon(preloadDrawable, mIconSize, -1);
|
|
}
|
|
|
|
preloadDrawable.setLevel(progressLevel);
|
|
if (promiseStateChanged) {
|
|
preloadDrawable.maybePerformFinishedAnimation();
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
private Theme getPreloaderTheme() {
|
|
Object tag = getTag();
|
|
int style = ((tag != null) && (tag instanceof ShortcutInfo) &&
|
|
(((ShortcutInfo) tag).container >= 0)) ? R.style.PreloadIcon_Folder
|
|
: R.style.PreloadIcon;
|
|
Theme theme = sPreloaderThemes.get(style);
|
|
if (theme == null) {
|
|
theme = getResources().newTheme();
|
|
theme.applyStyle(style, true);
|
|
sPreloaderThemes.put(style, theme);
|
|
}
|
|
return theme;
|
|
}
|
|
|
|
/**
|
|
* Sets the icon for this view based on the layout direction.
|
|
*/
|
|
private Drawable setIcon(Drawable icon, int iconSize, int drawablePadding) {
|
|
mIcon = icon;
|
|
if (iconSize != -1) {
|
|
mIcon.setBounds(0, 0, iconSize, iconSize);
|
|
}
|
|
if (mLayoutHorizontal) {
|
|
setCompoundDrawablesRelative(mIcon, null, null, null);
|
|
} else {
|
|
setCompoundDrawablesRelative(null, mIcon, null, null);
|
|
}
|
|
if (drawablePadding != -1) {
|
|
setCompoundDrawablePadding(drawablePadding);
|
|
}
|
|
return icon;
|
|
}
|
|
|
|
/**
|
|
* 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) {
|
|
mIconLoadRequest = null;
|
|
if (info instanceof AppInfo) {
|
|
applyFromApplicationInfo((AppInfo) info);
|
|
} else if (info instanceof ShortcutInfo) {
|
|
applyFromShortcutInfo((ShortcutInfo) info,
|
|
LauncherAppState.getInstance().getIconCache(), 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);
|
|
}
|
|
}
|
|
}
|
|
}
|