DragView.java revision 1bce7fd342875be8f7c1f82c8cf21d0199c8d544
100acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato/* 200acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato * Copyright (C) 2008 The Android Open Source Project 300acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato * 400acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato * Licensed under the Apache License, Version 2.0 (the "License"); 500acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato * you may not use this file except in compliance with the License. 600acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato * You may obtain a copy of the License at 700acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato * 800acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato * http://www.apache.org/licenses/LICENSE-2.0 900acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato * 1000acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato * Unless required by applicable law or agreed to in writing, software 1100acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato * distributed under the License is distributed on an "AS IS" BASIS, 1200acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 1300acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato * See the License for the specific language governing permissions and 1400acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato * limitations under the License. 1500acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato */ 1600acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato 17fedca43d396d6fd7c46fbb2f37dfa7cfe3b31834Vadim Tryshevpackage com.android.launcher3.dragndrop; 1800acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato 19d6c8e7eeb13094ea1349897663ae28d8a3bf2773Vadim Tryshevimport android.animation.Animator; 20d6c8e7eeb13094ea1349897663ae28d8a3bf2773Vadim Tryshevimport android.animation.AnimatorListenerAdapter; 21fe0d1f2458e6a442613b070ae549124a4780e759Sunny Goyalimport android.animation.FloatArrayEvaluator; 22a669d79d0dcf034651ce305a8cd334272bec3374Patrick Dubroyimport android.animation.ValueAnimator; 23a669d79d0dcf034651ce305a8cd334272bec3374Patrick Dubroyimport android.animation.ValueAnimator.AnimatorUpdateListener; 2442e28092b336bf89bee94c61e2cd327e1d8ec882Sunny Goyalimport android.annotation.SuppressLint; 25fe0d1f2458e6a442613b070ae549124a4780e759Sunny Goyalimport android.annotation.TargetApi; 26de7658b5e02ae10010e44fcf8d9c5814f54d9eb0Patrick Dubroyimport android.content.res.Resources; 2700acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onoratoimport android.graphics.Bitmap; 2800acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onoratoimport android.graphics.Canvas; 29fe0d1f2458e6a442613b070ae549124a4780e759Sunny Goyalimport android.graphics.Color; 30fe0d1f2458e6a442613b070ae549124a4780e759Sunny Goyalimport android.graphics.ColorMatrix; 31fe0d1f2458e6a442613b070ae549124a4780e759Sunny Goyalimport android.graphics.ColorMatrixColorFilter; 3200acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onoratoimport android.graphics.Paint; 33b8c69f3c17a40adc2d85e8e996f754c383c293dcWinson Chungimport android.graphics.Point; 34e3e27a854f3eca363d3c5ce353d19de475272d87Adam Cohenimport android.graphics.Rect; 35fe0d1f2458e6a442613b070ae549124a4780e759Sunny Goyalimport android.os.Build; 3600acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onoratoimport android.view.View; 37a669d79d0dcf034651ce305a8cd334272bec3374Patrick Dubroyimport android.view.animation.DecelerateInterpolator; 38fedca43d396d6fd7c46fbb2f37dfa7cfe3b31834Vadim Tryshev 39fedca43d396d6fd7c46fbb2f37dfa7cfe3b31834Vadim Tryshevimport com.android.launcher3.Launcher; 40fedca43d396d6fd7c46fbb2f37dfa7cfe3b31834Vadim Tryshevimport com.android.launcher3.LauncherAnimUtils; 41fedca43d396d6fd7c46fbb2f37dfa7cfe3b31834Vadim Tryshevimport com.android.launcher3.Utilities; 42e0c332365604976d999eb25d4bdcc49ec75b7a1cTony Wickhamimport com.android.launcher3.config.FeatureFlags; 43091440a9cb9d4f42406631004aa484cbb79214caAdam Cohenimport com.android.launcher3.util.Thunk; 44fedca43d396d6fd7c46fbb2f37dfa7cfe3b31834Vadim Tryshev 45fedca43d396d6fd7c46fbb2f37dfa7cfe3b31834Vadim Tryshevimport com.android.launcher3.R; 46fedca43d396d6fd7c46fbb2f37dfa7cfe3b31834Vadim Tryshev 47fe0d1f2458e6a442613b070ae549124a4780e759Sunny Goyalimport java.util.Arrays; 48fe0d1f2458e6a442613b070ae549124a4780e759Sunny Goyal 49a669d79d0dcf034651ce305a8cd334272bec3374Patrick Dubroypublic class DragView extends View { 503a644ed1ce12554fcdf5c499e959bda986d10551Sunny Goyal public static int COLOR_CHANGE_DURATION = 120; 51fe0d1f2458e6a442613b070ae549124a4780e759Sunny Goyal 52091440a9cb9d4f42406631004aa484cbb79214caAdam Cohen @Thunk static float sDragAlpha = 1f; 537bd1bbb509f9569fa18d6b4d33242679fd98bc9bWinson Chung 5400acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato private Bitmap mBitmap; 55ed66b2bac7447febe2e405b4ce725cae4f6b5988Adam Cohen private Bitmap mCrossFadeBitmap; 56316490e636aad788fcfbfc2e04dd4f0e145bdd00Sunny Goyal @Thunk Paint mPaint; 57d6c8e7eeb13094ea1349897663ae28d8a3bf2773Vadim Tryshev private final int mRegistrationX; 58d6c8e7eeb13094ea1349897663ae28d8a3bf2773Vadim Tryshev private final int mRegistrationY; 5900acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato 60b8c69f3c17a40adc2d85e8e996f754c383c293dcWinson Chung private Point mDragVisualizeOffset = null; 61e3e27a854f3eca363d3c5ce353d19de475272d87Adam Cohen private Rect mDragRegion = null; 62d6c8e7eeb13094ea1349897663ae28d8a3bf2773Vadim Tryshev private final DragLayer mDragLayer; 6342e28092b336bf89bee94c61e2cd327e1d8ec882Sunny Goyal @Thunk final DragController mDragController; 64fc53cd22c9a78708c78c85946443f23ec8c59502Adam Cohen private boolean mHasDrawn = false; 65091440a9cb9d4f42406631004aa484cbb79214caAdam Cohen @Thunk float mCrossFadeProgress = 0f; 66456e87e1943ee4e779929f77a9cf11de7af3ec6aVadim Tryshev private boolean mAnimationCancelled = false; 67a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka 68a669d79d0dcf034651ce305a8cd334272bec3374Patrick Dubroy ValueAnimator mAnim; 69eeb5bbc9409978cc2ae52d48380399fcde3d9f85Winson Chung // The intrinsic icon scale factor is the scale factor for a drag icon over the workspace 70eeb5bbc9409978cc2ae52d48380399fcde3d9f85Winson Chung // size. This is ignored for non-icons. 71eeb5bbc9409978cc2ae52d48380399fcde3d9f85Winson Chung private float mIntrinsicIconScale = 1f; 7200acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato 73316490e636aad788fcfbfc2e04dd4f0e145bdd00Sunny Goyal @Thunk float[] mCurrentFilter; 74fe0d1f2458e6a442613b070ae549124a4780e759Sunny Goyal private ValueAnimator mFilterAnimator; 75fe0d1f2458e6a442613b070ae549124a4780e759Sunny Goyal 7600acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato /** 7700acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato * Construct the drag view. 7800acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato * <p> 7900acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato * The registration point is the point inside our view that the touch events should 8000acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato * be centered upon. 818dfcba4af7a7ece09e8c7d96053e54f3a383e905Adam Cohen * @param launcher The Launcher instance 8200acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato * @param bitmap The view that we're dragging around. We scale it up when we draw it. 8300acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato * @param registrationX The x coordinate of the registration point. 8400acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato * @param registrationY The y coordinate of the registration point. 8500acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato */ 867066003b2032a49ae5e59dab9b706259bdeb7e6eSunny Goyal @TargetApi(Build.VERSION_CODES.LOLLIPOP) 871bce7fd342875be8f7c1f82c8cf21d0199c8d544Tony Wickham public DragView(Launcher launcher, Bitmap bitmap, int registrationX, int registrationY, int left, 881bce7fd342875be8f7c1f82c8cf21d0199c8d544Tony Wickham int top, int width, int height, final float initialScale, final float finalScaleDps) { 898dfcba4af7a7ece09e8c7d96053e54f3a383e905Adam Cohen super(launcher); 908dfcba4af7a7ece09e8c7d96053e54f3a383e905Adam Cohen mDragLayer = launcher.getDragLayer(); 91d6c8e7eeb13094ea1349897663ae28d8a3bf2773Vadim Tryshev mDragController = launcher.getDragController(); 9200acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato 931bce7fd342875be8f7c1f82c8cf21d0199c8d544Tony Wickham final float scale = (width + finalScaleDps) / width; 94a669d79d0dcf034651ce305a8cd334272bec3374Patrick Dubroy 95307fe23f125cbbd5512ad8d4660025f2ab68f30bAdam Cohen // Set the initial scale to avoid any jumps 96307fe23f125cbbd5512ad8d4660025f2ab68f30bAdam Cohen setScaleX(initialScale); 97307fe23f125cbbd5512ad8d4660025f2ab68f30bAdam Cohen setScaleY(initialScale); 98307fe23f125cbbd5512ad8d4660025f2ab68f30bAdam Cohen 99a669d79d0dcf034651ce305a8cd334272bec3374Patrick Dubroy // Animate the view into the correct position 100f1ad608c28c79c8e9b83d83ce9154f1b7284f412Michael Jurka mAnim = LauncherAnimUtils.ofFloat(this, 0f, 1f); 1017bd1bbb509f9569fa18d6b4d33242679fd98bc9bWinson Chung mAnim.setDuration(150); 102a669d79d0dcf034651ce305a8cd334272bec3374Patrick Dubroy mAnim.addUpdateListener(new AnimatorUpdateListener() { 103a669d79d0dcf034651ce305a8cd334272bec3374Patrick Dubroy @Override 104a669d79d0dcf034651ce305a8cd334272bec3374Patrick Dubroy public void onAnimationUpdate(ValueAnimator animation) { 105a669d79d0dcf034651ce305a8cd334272bec3374Patrick Dubroy final float value = (Float) animation.getAnimatedValue(); 106a669d79d0dcf034651ce305a8cd334272bec3374Patrick Dubroy 10772d598400da7cef9c7fc4f99bb1fcd7ff0710011Winson Chung setScaleX(initialScale + (value * (scale - initialScale))); 10872d598400da7cef9c7fc4f99bb1fcd7ff0710011Winson Chung setScaleY(initialScale + (value * (scale - initialScale))); 109867ca62c0e4b811d46734ff940d59c7a787525c8Winson Chung if (sDragAlpha != 1f) { 110867ca62c0e4b811d46734ff940d59c7a787525c8Winson Chung setAlpha(sDragAlpha * value + (1f - value)); 111867ca62c0e4b811d46734ff940d59c7a787525c8Winson Chung } 112a669d79d0dcf034651ce305a8cd334272bec3374Patrick Dubroy 113a669d79d0dcf034651ce305a8cd334272bec3374Patrick Dubroy if (getParent() == null) { 114a669d79d0dcf034651ce305a8cd334272bec3374Patrick Dubroy animation.cancel(); 115a669d79d0dcf034651ce305a8cd334272bec3374Patrick Dubroy } 116a669d79d0dcf034651ce305a8cd334272bec3374Patrick Dubroy } 117a669d79d0dcf034651ce305a8cd334272bec3374Patrick Dubroy }); 11800acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato 119d6c8e7eeb13094ea1349897663ae28d8a3bf2773Vadim Tryshev mAnim.addListener(new AnimatorListenerAdapter() { 120d6c8e7eeb13094ea1349897663ae28d8a3bf2773Vadim Tryshev @Override 121d6c8e7eeb13094ea1349897663ae28d8a3bf2773Vadim Tryshev public void onAnimationEnd(Animator animation) { 122456e87e1943ee4e779929f77a9cf11de7af3ec6aVadim Tryshev if (!mAnimationCancelled) { 123456e87e1943ee4e779929f77a9cf11de7af3ec6aVadim Tryshev mDragController.onDragViewAnimationEnd(); 124456e87e1943ee4e779929f77a9cf11de7af3ec6aVadim Tryshev } 125d6c8e7eeb13094ea1349897663ae28d8a3bf2773Vadim Tryshev } 126d6c8e7eeb13094ea1349897663ae28d8a3bf2773Vadim Tryshev }); 127d6c8e7eeb13094ea1349897663ae28d8a3bf2773Vadim Tryshev 1287bd1bbb509f9569fa18d6b4d33242679fd98bc9bWinson Chung mBitmap = Bitmap.createBitmap(bitmap, left, top, width, height); 129e3e27a854f3eca363d3c5ce353d19de475272d87Adam Cohen setDragRegion(new Rect(0, 0, width, height)); 13000acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato 13100acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato // The point in our scaled bitmap that the touch events are located 132a669d79d0dcf034651ce305a8cd334272bec3374Patrick Dubroy mRegistrationX = registrationX; 133a669d79d0dcf034651ce305a8cd334272bec3374Patrick Dubroy mRegistrationY = registrationY; 13462bbb3c573fe902940431e4b957c0c4918358d36Patrick Dubroy 13562bbb3c573fe902940431e4b957c0c4918358d36Patrick Dubroy // Force a measure, because Workspace uses getMeasuredHeight() before the layout pass 13662bbb3c573fe902940431e4b957c0c4918358d36Patrick Dubroy int ms = View.MeasureSpec.makeMeasureSpec(0, View.MeasureSpec.UNSPECIFIED); 13762bbb3c573fe902940431e4b957c0c4918358d36Patrick Dubroy measure(ms, ms); 1386cfafb96c3b108fec90897c1a251229be9861ddbMichael Jurka mPaint = new Paint(Paint.FILTER_BITMAP_FLAG); 13975deaf3d8f369bd13ea59ec3740324a5cfeb3099Sunny Goyal 1409fc953b94dbc6b99e6de08c9dcc80a0cb8e3e319Sunny Goyal if (Utilities.ATLEAST_LOLLIPOP) { 14175deaf3d8f369bd13ea59ec3740324a5cfeb3099Sunny Goyal setElevation(getResources().getDimension(R.dimen.drag_elevation)); 14275deaf3d8f369bd13ea59ec3740324a5cfeb3099Sunny Goyal } 14362bbb3c573fe902940431e4b957c0c4918358d36Patrick Dubroy } 14462bbb3c573fe902940431e4b957c0c4918358d36Patrick Dubroy 145eeb5bbc9409978cc2ae52d48380399fcde3d9f85Winson Chung /** Sets the scale of the view over the normal workspace icon size. */ 146eeb5bbc9409978cc2ae52d48380399fcde3d9f85Winson Chung public void setIntrinsicIconScaleFactor(float scale) { 147eeb5bbc9409978cc2ae52d48380399fcde3d9f85Winson Chung mIntrinsicIconScale = scale; 148eeb5bbc9409978cc2ae52d48380399fcde3d9f85Winson Chung } 149eeb5bbc9409978cc2ae52d48380399fcde3d9f85Winson Chung 150eeb5bbc9409978cc2ae52d48380399fcde3d9f85Winson Chung public float getIntrinsicIconScaleFactor() { 151eeb5bbc9409978cc2ae52d48380399fcde3d9f85Winson Chung return mIntrinsicIconScale; 152eeb5bbc9409978cc2ae52d48380399fcde3d9f85Winson Chung } 153eeb5bbc9409978cc2ae52d48380399fcde3d9f85Winson Chung 154a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka public int getDragRegionLeft() { 155e3e27a854f3eca363d3c5ce353d19de475272d87Adam Cohen return mDragRegion.left; 156a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka } 157a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka 158a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka public int getDragRegionTop() { 159e3e27a854f3eca363d3c5ce353d19de475272d87Adam Cohen return mDragRegion.top; 160a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka } 161a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka 162a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka public int getDragRegionWidth() { 163e3e27a854f3eca363d3c5ce353d19de475272d87Adam Cohen return mDragRegion.width(); 164a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka } 165a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka 166a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka public int getDragRegionHeight() { 167e3e27a854f3eca363d3c5ce353d19de475272d87Adam Cohen return mDragRegion.height(); 168e3e27a854f3eca363d3c5ce353d19de475272d87Adam Cohen } 169e3e27a854f3eca363d3c5ce353d19de475272d87Adam Cohen 170b8c69f3c17a40adc2d85e8e996f754c383c293dcWinson Chung public void setDragVisualizeOffset(Point p) { 171b8c69f3c17a40adc2d85e8e996f754c383c293dcWinson Chung mDragVisualizeOffset = p; 172b8c69f3c17a40adc2d85e8e996f754c383c293dcWinson Chung } 173b8c69f3c17a40adc2d85e8e996f754c383c293dcWinson Chung 174b8c69f3c17a40adc2d85e8e996f754c383c293dcWinson Chung public Point getDragVisualizeOffset() { 175b8c69f3c17a40adc2d85e8e996f754c383c293dcWinson Chung return mDragVisualizeOffset; 176b8c69f3c17a40adc2d85e8e996f754c383c293dcWinson Chung } 177b8c69f3c17a40adc2d85e8e996f754c383c293dcWinson Chung 178e3e27a854f3eca363d3c5ce353d19de475272d87Adam Cohen public void setDragRegion(Rect r) { 179e3e27a854f3eca363d3c5ce353d19de475272d87Adam Cohen mDragRegion = r; 180e3e27a854f3eca363d3c5ce353d19de475272d87Adam Cohen } 181e3e27a854f3eca363d3c5ce353d19de475272d87Adam Cohen 182e3e27a854f3eca363d3c5ce353d19de475272d87Adam Cohen public Rect getDragRegion() { 183e3e27a854f3eca363d3c5ce353d19de475272d87Adam Cohen return mDragRegion; 184a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka } 185a63c452f5bd491ba9b28c332ccedc6c6c7e2f3ccMichael Jurka 18600acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato @Override 18700acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) { 188eebd92496e2fbfbd81ea871862a681929101ba06Joe Onorato setMeasuredDimension(mBitmap.getWidth(), mBitmap.getHeight()); 18900acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato } 19000acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato 191d6c8e7eeb13094ea1349897663ae28d8a3bf2773Vadim Tryshev // Draws drag shadow for system DND. 19242e28092b336bf89bee94c61e2cd327e1d8ec882Sunny Goyal @SuppressLint("WrongCall") 193d6c8e7eeb13094ea1349897663ae28d8a3bf2773Vadim Tryshev public void drawDragShadow(Canvas canvas) { 194d6c8e7eeb13094ea1349897663ae28d8a3bf2773Vadim Tryshev final int saveCount = canvas.save(Canvas.MATRIX_SAVE_FLAG); 195d6c8e7eeb13094ea1349897663ae28d8a3bf2773Vadim Tryshev canvas.scale(getScaleX(), getScaleY()); 196d6c8e7eeb13094ea1349897663ae28d8a3bf2773Vadim Tryshev onDraw(canvas); 197d6c8e7eeb13094ea1349897663ae28d8a3bf2773Vadim Tryshev canvas.restoreToCount(saveCount); 198d6c8e7eeb13094ea1349897663ae28d8a3bf2773Vadim Tryshev } 199d6c8e7eeb13094ea1349897663ae28d8a3bf2773Vadim Tryshev 200d6c8e7eeb13094ea1349897663ae28d8a3bf2773Vadim Tryshev // Provides drag shadow metrics for system DND. 201d6c8e7eeb13094ea1349897663ae28d8a3bf2773Vadim Tryshev public void provideDragShadowMetrics(Point size, Point touch) { 202d6c8e7eeb13094ea1349897663ae28d8a3bf2773Vadim Tryshev size.set((int)(mBitmap.getWidth() * getScaleX()), (int)(mBitmap.getHeight() * getScaleY())); 203d6c8e7eeb13094ea1349897663ae28d8a3bf2773Vadim Tryshev 20437bd006b73b4399ba10bb46e7f57a56b2e133e86Vadim Tryshev final float xGrowth = mBitmap.getWidth() * (getScaleX() - 1); 20537bd006b73b4399ba10bb46e7f57a56b2e133e86Vadim Tryshev final float yGrowth = mBitmap.getHeight() * (getScaleY() - 1); 2069430ff23c8a1127341e73b285e901a5cb9f1b5f7Vadim Tryshev touch.set( 2079430ff23c8a1127341e73b285e901a5cb9f1b5f7Vadim Tryshev mRegistrationX + (int)Math.round(xGrowth / 2), 2089430ff23c8a1127341e73b285e901a5cb9f1b5f7Vadim Tryshev mRegistrationY + (int)Math.round(yGrowth / 2)); 209d6c8e7eeb13094ea1349897663ae28d8a3bf2773Vadim Tryshev } 210d6c8e7eeb13094ea1349897663ae28d8a3bf2773Vadim Tryshev 21100acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato @Override 21200acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato protected void onDraw(Canvas canvas) { 213fc53cd22c9a78708c78c85946443f23ec8c59502Adam Cohen mHasDrawn = true; 214ed66b2bac7447febe2e405b4ce725cae4f6b5988Adam Cohen boolean crossFade = mCrossFadeProgress > 0 && mCrossFadeBitmap != null; 215ed66b2bac7447febe2e405b4ce725cae4f6b5988Adam Cohen if (crossFade) { 216ed66b2bac7447febe2e405b4ce725cae4f6b5988Adam Cohen int alpha = crossFade ? (int) (255 * (1 - mCrossFadeProgress)) : 255; 217ed66b2bac7447febe2e405b4ce725cae4f6b5988Adam Cohen mPaint.setAlpha(alpha); 218ed66b2bac7447febe2e405b4ce725cae4f6b5988Adam Cohen } 21900acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato canvas.drawBitmap(mBitmap, 0.0f, 0.0f, mPaint); 220ed66b2bac7447febe2e405b4ce725cae4f6b5988Adam Cohen if (crossFade) { 221ed66b2bac7447febe2e405b4ce725cae4f6b5988Adam Cohen mPaint.setAlpha((int) (255 * mCrossFadeProgress)); 222d6c8e7eeb13094ea1349897663ae28d8a3bf2773Vadim Tryshev final int saveCount = canvas.save(Canvas.MATRIX_SAVE_FLAG); 223ed66b2bac7447febe2e405b4ce725cae4f6b5988Adam Cohen float sX = (mBitmap.getWidth() * 1.0f) / mCrossFadeBitmap.getWidth(); 224ed66b2bac7447febe2e405b4ce725cae4f6b5988Adam Cohen float sY = (mBitmap.getHeight() * 1.0f) / mCrossFadeBitmap.getHeight(); 225ed66b2bac7447febe2e405b4ce725cae4f6b5988Adam Cohen canvas.scale(sX, sY); 226ed66b2bac7447febe2e405b4ce725cae4f6b5988Adam Cohen canvas.drawBitmap(mCrossFadeBitmap, 0.0f, 0.0f, mPaint); 227d6c8e7eeb13094ea1349897663ae28d8a3bf2773Vadim Tryshev canvas.restoreToCount(saveCount); 228ed66b2bac7447febe2e405b4ce725cae4f6b5988Adam Cohen } 229ed66b2bac7447febe2e405b4ce725cae4f6b5988Adam Cohen } 230ed66b2bac7447febe2e405b4ce725cae4f6b5988Adam Cohen 231ed66b2bac7447febe2e405b4ce725cae4f6b5988Adam Cohen public void setCrossFadeBitmap(Bitmap crossFadeBitmap) { 232ed66b2bac7447febe2e405b4ce725cae4f6b5988Adam Cohen mCrossFadeBitmap = crossFadeBitmap; 233ed66b2bac7447febe2e405b4ce725cae4f6b5988Adam Cohen } 234ed66b2bac7447febe2e405b4ce725cae4f6b5988Adam Cohen 235ed66b2bac7447febe2e405b4ce725cae4f6b5988Adam Cohen public void crossFade(int duration) { 236f1ad608c28c79c8e9b83d83ce9154f1b7284f412Michael Jurka ValueAnimator va = LauncherAnimUtils.ofFloat(this, 0f, 1f); 237ed66b2bac7447febe2e405b4ce725cae4f6b5988Adam Cohen va.setDuration(duration); 238ed66b2bac7447febe2e405b4ce725cae4f6b5988Adam Cohen va.setInterpolator(new DecelerateInterpolator(1.5f)); 239ed66b2bac7447febe2e405b4ce725cae4f6b5988Adam Cohen va.addUpdateListener(new AnimatorUpdateListener() { 240ed66b2bac7447febe2e405b4ce725cae4f6b5988Adam Cohen @Override 241ed66b2bac7447febe2e405b4ce725cae4f6b5988Adam Cohen public void onAnimationUpdate(ValueAnimator animation) { 242ed66b2bac7447febe2e405b4ce725cae4f6b5988Adam Cohen mCrossFadeProgress = animation.getAnimatedFraction(); 2435d2fc32e6da66f877dfba4fe513fbabdcdae5f99Sunny Goyal invalidate(); 244ed66b2bac7447febe2e405b4ce725cae4f6b5988Adam Cohen } 245ed66b2bac7447febe2e405b4ce725cae4f6b5988Adam Cohen }); 246ed66b2bac7447febe2e405b4ce725cae4f6b5988Adam Cohen va.start(); 24700acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato } 24800acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato 24961967cb17f8fa9ee01f93e9f25a1074559b54cf3Winson Chung public void setColor(int color) { 2506cfafb96c3b108fec90897c1a251229be9861ddbMichael Jurka if (mPaint == null) { 2516cfafb96c3b108fec90897c1a251229be9861ddbMichael Jurka mPaint = new Paint(Paint.FILTER_BITMAP_FLAG); 2526cfafb96c3b108fec90897c1a251229be9861ddbMichael Jurka } 25361967cb17f8fa9ee01f93e9f25a1074559b54cf3Winson Chung if (color != 0) { 254fe0d1f2458e6a442613b070ae549124a4780e759Sunny Goyal ColorMatrix m1 = new ColorMatrix(); 255fe0d1f2458e6a442613b070ae549124a4780e759Sunny Goyal m1.setSaturation(0); 256fe0d1f2458e6a442613b070ae549124a4780e759Sunny Goyal 257fe0d1f2458e6a442613b070ae549124a4780e759Sunny Goyal ColorMatrix m2 = new ColorMatrix(); 2583a644ed1ce12554fcdf5c499e959bda986d10551Sunny Goyal setColorScale(color, m2); 259fe0d1f2458e6a442613b070ae549124a4780e759Sunny Goyal m1.postConcat(m2); 260fe0d1f2458e6a442613b070ae549124a4780e759Sunny Goyal 2619fc953b94dbc6b99e6de08c9dcc80a0cb8e3e319Sunny Goyal if (Utilities.ATLEAST_LOLLIPOP) { 262fe0d1f2458e6a442613b070ae549124a4780e759Sunny Goyal animateFilterTo(m1.getArray()); 263fe0d1f2458e6a442613b070ae549124a4780e759Sunny Goyal } else { 264fe0d1f2458e6a442613b070ae549124a4780e759Sunny Goyal mPaint.setColorFilter(new ColorMatrixColorFilter(m1)); 265fe0d1f2458e6a442613b070ae549124a4780e759Sunny Goyal invalidate(); 266fe0d1f2458e6a442613b070ae549124a4780e759Sunny Goyal } 26761967cb17f8fa9ee01f93e9f25a1074559b54cf3Winson Chung } else { 2689fc953b94dbc6b99e6de08c9dcc80a0cb8e3e319Sunny Goyal if (!Utilities.ATLEAST_LOLLIPOP || mCurrentFilter == null) { 269fe0d1f2458e6a442613b070ae549124a4780e759Sunny Goyal mPaint.setColorFilter(null); 270fe0d1f2458e6a442613b070ae549124a4780e759Sunny Goyal invalidate(); 271fe0d1f2458e6a442613b070ae549124a4780e759Sunny Goyal } else { 272fe0d1f2458e6a442613b070ae549124a4780e759Sunny Goyal animateFilterTo(new ColorMatrix().getArray()); 273fe0d1f2458e6a442613b070ae549124a4780e759Sunny Goyal } 27461967cb17f8fa9ee01f93e9f25a1074559b54cf3Winson Chung } 275fe0d1f2458e6a442613b070ae549124a4780e759Sunny Goyal } 276fe0d1f2458e6a442613b070ae549124a4780e759Sunny Goyal 277fe0d1f2458e6a442613b070ae549124a4780e759Sunny Goyal @TargetApi(Build.VERSION_CODES.LOLLIPOP) 278fe0d1f2458e6a442613b070ae549124a4780e759Sunny Goyal private void animateFilterTo(float[] targetFilter) { 279fe0d1f2458e6a442613b070ae549124a4780e759Sunny Goyal float[] oldFilter = mCurrentFilter == null ? new ColorMatrix().getArray() : mCurrentFilter; 280fe0d1f2458e6a442613b070ae549124a4780e759Sunny Goyal mCurrentFilter = Arrays.copyOf(oldFilter, oldFilter.length); 281fe0d1f2458e6a442613b070ae549124a4780e759Sunny Goyal 282fe0d1f2458e6a442613b070ae549124a4780e759Sunny Goyal if (mFilterAnimator != null) { 283fe0d1f2458e6a442613b070ae549124a4780e759Sunny Goyal mFilterAnimator.cancel(); 284fe0d1f2458e6a442613b070ae549124a4780e759Sunny Goyal } 285fe0d1f2458e6a442613b070ae549124a4780e759Sunny Goyal mFilterAnimator = ValueAnimator.ofObject(new FloatArrayEvaluator(mCurrentFilter), 286fe0d1f2458e6a442613b070ae549124a4780e759Sunny Goyal oldFilter, targetFilter); 287fe0d1f2458e6a442613b070ae549124a4780e759Sunny Goyal mFilterAnimator.setDuration(COLOR_CHANGE_DURATION); 288fe0d1f2458e6a442613b070ae549124a4780e759Sunny Goyal mFilterAnimator.addUpdateListener(new AnimatorUpdateListener() { 289fe0d1f2458e6a442613b070ae549124a4780e759Sunny Goyal 290fe0d1f2458e6a442613b070ae549124a4780e759Sunny Goyal @Override 291fe0d1f2458e6a442613b070ae549124a4780e759Sunny Goyal public void onAnimationUpdate(ValueAnimator animation) { 292fe0d1f2458e6a442613b070ae549124a4780e759Sunny Goyal mPaint.setColorFilter(new ColorMatrixColorFilter(mCurrentFilter)); 293fe0d1f2458e6a442613b070ae549124a4780e759Sunny Goyal invalidate(); 294fe0d1f2458e6a442613b070ae549124a4780e759Sunny Goyal } 295fe0d1f2458e6a442613b070ae549124a4780e759Sunny Goyal }); 296fe0d1f2458e6a442613b070ae549124a4780e759Sunny Goyal mFilterAnimator.start(); 29700acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato } 29800acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato 299fc53cd22c9a78708c78c85946443f23ec8c59502Adam Cohen public boolean hasDrawn() { 300fc53cd22c9a78708c78c85946443f23ec8c59502Adam Cohen return mHasDrawn; 301fc53cd22c9a78708c78c85946443f23ec8c59502Adam Cohen } 302fc53cd22c9a78708c78c85946443f23ec8c59502Adam Cohen 3033e8f811f31a2275e778244427271f77f4116c08bAdam Cohen @Override 3043e8f811f31a2275e778244427271f77f4116c08bAdam Cohen public void setAlpha(float alpha) { 3053e8f811f31a2275e778244427271f77f4116c08bAdam Cohen super.setAlpha(alpha); 3063e8f811f31a2275e778244427271f77f4116c08bAdam Cohen mPaint.setAlpha((int) (255 * alpha)); 3073e8f811f31a2275e778244427271f77f4116c08bAdam Cohen invalidate(); 3083e8f811f31a2275e778244427271f77f4116c08bAdam Cohen } 3093e8f811f31a2275e778244427271f77f4116c08bAdam Cohen 31000acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato /** 31100acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato * Create a window containing this view and show it. 31200acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato * 31300acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato * @param windowToken obtained from v.getWindowToken() from one of your views 3148dfcba4af7a7ece09e8c7d96053e54f3a383e905Adam Cohen * @param touchX the x coordinate the user touched in DragLayer coordinates 3158dfcba4af7a7ece09e8c7d96053e54f3a383e905Adam Cohen * @param touchY the y coordinate the user touched in DragLayer coordinates 31600acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato */ 3178dfcba4af7a7ece09e8c7d96053e54f3a383e905Adam Cohen public void show(int touchX, int touchY) { 3188dfcba4af7a7ece09e8c7d96053e54f3a383e905Adam Cohen mDragLayer.addView(this); 319043f2af567178b82b0b41f12d379e7dd12da2936Winson Chung 320043f2af567178b82b0b41f12d379e7dd12da2936Winson Chung // Start the pick-up animation 3218dfcba4af7a7ece09e8c7d96053e54f3a383e905Adam Cohen DragLayer.LayoutParams lp = new DragLayer.LayoutParams(0, 0); 3228dfcba4af7a7ece09e8c7d96053e54f3a383e905Adam Cohen lp.width = mBitmap.getWidth(); 3238dfcba4af7a7ece09e8c7d96053e54f3a383e905Adam Cohen lp.height = mBitmap.getHeight(); 3248dfcba4af7a7ece09e8c7d96053e54f3a383e905Adam Cohen lp.customPosition = true; 3258dfcba4af7a7ece09e8c7d96053e54f3a383e905Adam Cohen setLayoutParams(lp); 3267bd1bbb509f9569fa18d6b4d33242679fd98bc9bWinson Chung setTranslationX(touchX - mRegistrationX); 3277bd1bbb509f9569fa18d6b4d33242679fd98bc9bWinson Chung setTranslationY(touchY - mRegistrationY); 328ca99383daef92fed673de22126875cb485be494fMichael Jurka // Post the animation to skip other expensive work happening on the first frame 329ca99383daef92fed673de22126875cb485be494fMichael Jurka post(new Runnable() { 330a501d49a6a8b684bc83aa6b536f43247d75bacdfTony Wickham public void run() { 331a501d49a6a8b684bc83aa6b536f43247d75bacdfTony Wickham mAnim.start(); 332a501d49a6a8b684bc83aa6b536f43247d75bacdfTony Wickham } 333a501d49a6a8b684bc83aa6b536f43247d75bacdfTony Wickham }); 33400acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato } 335716b51e030f9c6ed34af2b947760e46a280c65a6Adam Cohen 3367bd1bbb509f9569fa18d6b4d33242679fd98bc9bWinson Chung public void cancelAnimation() { 337456e87e1943ee4e779929f77a9cf11de7af3ec6aVadim Tryshev mAnimationCancelled = true; 3387bd1bbb509f9569fa18d6b4d33242679fd98bc9bWinson Chung if (mAnim != null && mAnim.isRunning()) { 3397bd1bbb509f9569fa18d6b4d33242679fd98bc9bWinson Chung mAnim.cancel(); 3407bd1bbb509f9569fa18d6b4d33242679fd98bc9bWinson Chung } 3417bd1bbb509f9569fa18d6b4d33242679fd98bc9bWinson Chung } 3427bd1bbb509f9569fa18d6b4d33242679fd98bc9bWinson Chung 34300acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato /** 34400acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato * Move the window containing this view. 34500acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato * 3468dfcba4af7a7ece09e8c7d96053e54f3a383e905Adam Cohen * @param touchX the x coordinate the user touched in DragLayer coordinates 3478dfcba4af7a7ece09e8c7d96053e54f3a383e905Adam Cohen * @param touchY the y coordinate the user touched in DragLayer coordinates 34800acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato */ 3491bce7fd342875be8f7c1f82c8cf21d0199c8d544Tony Wickham public void move(int touchX, int touchY) { 350d6c8e7eeb13094ea1349897663ae28d8a3bf2773Vadim Tryshev setTranslationX(touchX - mRegistrationX); 351d6c8e7eeb13094ea1349897663ae28d8a3bf2773Vadim Tryshev setTranslationY(touchY - mRegistrationY); 35200acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato } 35300acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato 3541bce7fd342875be8f7c1f82c8cf21d0199c8d544Tony Wickham public void remove() { 3557bd1bbb509f9569fa18d6b4d33242679fd98bc9bWinson Chung if (getParent() != null) { 3567bd1bbb509f9569fa18d6b4d33242679fd98bc9bWinson Chung mDragLayer.removeView(DragView.this); 3577bd1bbb509f9569fa18d6b4d33242679fd98bc9bWinson Chung } 3586f13342ffd3f968de9ff86b988621cc91d94adffPatrick Dubroy } 3593a644ed1ce12554fcdf5c499e959bda986d10551Sunny Goyal 3603a644ed1ce12554fcdf5c499e959bda986d10551Sunny Goyal public static void setColorScale(int color, ColorMatrix target) { 3613a644ed1ce12554fcdf5c499e959bda986d10551Sunny Goyal target.setScale(Color.red(color) / 255f, Color.green(color) / 255f, 3623a644ed1ce12554fcdf5c499e959bda986d10551Sunny Goyal Color.blue(color) / 255f, Color.alpha(color) / 255f); 3633a644ed1ce12554fcdf5c499e959bda986d10551Sunny Goyal } 36400acb123c5100f06b8e89e8ec8978ebafc6f6d26Joe Onorato} 365