Winson Chung | 303e1ff | 2014-03-07 15:06:19 -0800 | [diff] [blame^] | 1 | /* |
| 2 | * Copyright (C) 2014 The Android Open Source Project |
| 3 | * |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * You may obtain a copy of the License at |
| 7 | * |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 10 | * Unless required by applicable law or agreed to in writing, software |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | * See the License for the specific language governing permissions and |
| 14 | * limitations under the License. |
| 15 | */ |
| 16 | |
| 17 | package com.android.systemui.recents.views; |
| 18 | |
| 19 | import android.animation.Animator; |
| 20 | import android.animation.AnimatorListenerAdapter; |
| 21 | import android.animation.ObjectAnimator; |
| 22 | import android.animation.TimeInterpolator; |
| 23 | import android.content.Context; |
| 24 | import android.graphics.Canvas; |
| 25 | import android.graphics.Paint; |
| 26 | import android.graphics.Path; |
| 27 | import android.graphics.Point; |
| 28 | import android.graphics.Rect; |
| 29 | import android.graphics.RectF; |
| 30 | import android.graphics.Typeface; |
| 31 | import android.view.Gravity; |
| 32 | import android.view.View; |
| 33 | import android.view.animation.AccelerateDecelerateInterpolator; |
| 34 | import android.view.animation.AccelerateInterpolator; |
| 35 | import android.view.animation.DecelerateInterpolator; |
| 36 | import android.widget.FrameLayout; |
| 37 | import android.widget.ImageView; |
| 38 | import com.android.systemui.recents.Console; |
| 39 | import com.android.systemui.recents.Constants; |
| 40 | import com.android.systemui.recents.RecentsConfiguration; |
| 41 | import com.android.systemui.recents.model.Task; |
| 42 | import com.android.systemui.recents.model.TaskCallbacks; |
| 43 | |
| 44 | /** The TaskView callbacks */ |
| 45 | interface TaskViewCallbacks { |
| 46 | public void onTaskIconClicked(TaskView tv); |
| 47 | // public void onTaskViewReboundToTask(TaskView tv, Task t); |
| 48 | } |
| 49 | |
| 50 | /** The task thumbnail view */ |
| 51 | class TaskThumbnailView extends ImageView { |
| 52 | Task mTask; |
| 53 | int mBarColor; |
| 54 | |
| 55 | Path mRoundedRectClipPath = new Path(); |
| 56 | |
| 57 | public TaskThumbnailView(Context context) { |
| 58 | super(context); |
| 59 | setScaleType(ScaleType.FIT_XY); |
| 60 | } |
| 61 | |
| 62 | /** Binds the thumbnail view to the task */ |
| 63 | void rebindToTask(Task t, boolean animate) { |
| 64 | mTask = t; |
| 65 | if (t.thumbnail != null) { |
| 66 | // Update the bar color |
| 67 | if (Constants.Values.TaskView.DrawColoredTaskBars) { |
| 68 | int[] colors = {0xFFCC0C39, 0xFFE6781E, 0xFFC8CF02, 0xFF1693A7}; |
| 69 | mBarColor = colors[mTask.intent.getComponent().getPackageName().length() % colors.length]; |
| 70 | } |
| 71 | |
| 72 | setImageBitmap(t.thumbnail); |
| 73 | if (animate) { |
| 74 | setAlpha(0f); |
| 75 | animate().alpha(1f) |
| 76 | .setDuration(Constants.Values.TaskView.Animation.TaskDataUpdatedFadeDuration) |
| 77 | .start(); |
| 78 | } |
| 79 | } |
| 80 | } |
| 81 | |
| 82 | /** Unbinds the thumbnail view from the task */ |
| 83 | void unbindFromTask() { |
| 84 | mTask = null; |
| 85 | setImageDrawable(null); |
| 86 | } |
| 87 | |
| 88 | @Override |
| 89 | protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) { |
| 90 | super.onMeasure(widthMeasureSpec, heightMeasureSpec); |
| 91 | |
| 92 | // Update the rounded rect clip path |
| 93 | RecentsConfiguration config = RecentsConfiguration.getInstance(); |
| 94 | float radius = config.pxFromDp(Constants.Values.TaskView.RoundedCornerRadiusDps); |
| 95 | mRoundedRectClipPath.reset(); |
| 96 | mRoundedRectClipPath.addRoundRect(new RectF(0, 0, getMeasuredWidth(), getMeasuredHeight()), |
| 97 | radius, radius, Path.Direction.CW); |
| 98 | } |
| 99 | |
| 100 | @Override |
| 101 | protected void onDraw(Canvas canvas) { |
| 102 | if (Constants.Values.TaskView.UseRoundedCorners) { |
| 103 | canvas.clipPath(mRoundedRectClipPath); |
| 104 | } |
| 105 | |
| 106 | super.onDraw(canvas); |
| 107 | |
| 108 | if (Constants.Values.TaskView.DrawColoredTaskBars) { |
| 109 | RecentsConfiguration config = RecentsConfiguration.getInstance(); |
| 110 | int taskBarHeight = config.pxFromDp(Constants.Values.TaskView.TaskBarHeightDps); |
| 111 | // XXX: If we actually use this, this should be pulled out into a TextView that we |
| 112 | // inflate |
| 113 | |
| 114 | // Draw the task bar |
| 115 | Rect r = new Rect(); |
| 116 | Paint p = new Paint(); |
| 117 | p.setAntiAlias(true); |
| 118 | p.setSubpixelText(true); |
| 119 | p.setColor(mBarColor); |
| 120 | p.setTypeface(Typeface.create("sans-serif-light", Typeface.NORMAL)); |
| 121 | canvas.drawRect(0, 0, getMeasuredWidth(), taskBarHeight, p); |
| 122 | p.setColor(0xFFffffff); |
| 123 | p.setTextSize(68); |
| 124 | p.getTextBounds("X", 0, 1, r); |
| 125 | int offset = (int) (taskBarHeight - r.height()) / 2; |
| 126 | canvas.drawText(mTask.title, offset, offset + r.height(), p); |
| 127 | } |
| 128 | } |
| 129 | } |
| 130 | |
| 131 | /* The task icon view */ |
| 132 | class TaskIconView extends ImageView { |
| 133 | Task mTask; |
| 134 | |
| 135 | Path mClipPath = new Path(); |
| 136 | float mClipRadius; |
| 137 | Point mClipOrigin = new Point(); |
| 138 | ObjectAnimator mCircularClipAnimator; |
| 139 | |
| 140 | public TaskIconView(Context context) { |
| 141 | super(context); |
| 142 | mClipPath = new Path(); |
| 143 | mClipRadius = 1f; |
| 144 | } |
| 145 | |
| 146 | /** Binds the icon view to the task */ |
| 147 | void rebindToTask(Task t, boolean animate) { |
| 148 | mTask = t; |
| 149 | if (t.icon != null) { |
| 150 | setImageDrawable(t.icon); |
| 151 | if (animate) { |
| 152 | setAlpha(0f); |
| 153 | animate().alpha(1f) |
| 154 | .setDuration(Constants.Values.TaskView.Animation.TaskDataUpdatedFadeDuration) |
| 155 | .start(); |
| 156 | } |
| 157 | } |
| 158 | } |
| 159 | |
| 160 | /** Unbinds the icon view from the task */ |
| 161 | void unbindFromTask() { |
| 162 | mTask = null; |
| 163 | setImageDrawable(null); |
| 164 | } |
| 165 | |
| 166 | /** Sets the circular clip radius on the icon */ |
| 167 | public void setCircularClipRadius(float r) { |
| 168 | Console.log(Constants.DebugFlags.UI.Clipping, "[TaskView|setCircularClip]", "" + r); |
| 169 | mClipRadius = r; |
| 170 | invalidate(); |
| 171 | } |
| 172 | |
| 173 | /** Gets the circular clip radius on the icon */ |
| 174 | public float getCircularClipRadius() { |
| 175 | return mClipRadius; |
| 176 | } |
| 177 | |
| 178 | /** Animates the circular clip radius on the icon */ |
| 179 | void animateCircularClip(boolean brNotTl, float newRadius, int duration, int startDelay, |
| 180 | TimeInterpolator interpolator, |
| 181 | AnimatorListenerAdapter listener) { |
| 182 | if (mCircularClipAnimator != null) { |
| 183 | mCircularClipAnimator.cancel(); |
| 184 | mCircularClipAnimator.removeAllListeners(); |
| 185 | } |
| 186 | if (brNotTl) { |
| 187 | mClipOrigin.set(0, 0); |
| 188 | } else { |
| 189 | mClipOrigin.set(getMeasuredWidth(), getMeasuredHeight()); |
| 190 | } |
| 191 | mCircularClipAnimator = ObjectAnimator.ofFloat(this, "circularClipRadius", newRadius); |
| 192 | mCircularClipAnimator.setStartDelay(startDelay); |
| 193 | mCircularClipAnimator.setDuration(duration); |
| 194 | mCircularClipAnimator.setInterpolator(interpolator); |
| 195 | if (listener != null) { |
| 196 | mCircularClipAnimator.addListener(listener); |
| 197 | } |
| 198 | mCircularClipAnimator.start(); |
| 199 | } |
| 200 | |
| 201 | @Override |
| 202 | protected void onDraw(Canvas canvas) { |
| 203 | int saveCount = canvas.save(Canvas.CLIP_SAVE_FLAG); |
| 204 | int width = getMeasuredWidth(); |
| 205 | int height = getMeasuredHeight(); |
| 206 | int maxSize = (int) Math.ceil(Math.sqrt(width * width + height * height)); |
| 207 | mClipPath.reset(); |
| 208 | mClipPath.addCircle(mClipOrigin.x, mClipOrigin.y, mClipRadius * maxSize, Path.Direction.CW); |
| 209 | canvas.clipPath(mClipPath); |
| 210 | super.onDraw(canvas); |
| 211 | canvas.restoreToCount(saveCount); |
| 212 | } |
| 213 | } |
| 214 | |
| 215 | /* A task view */ |
| 216 | public class TaskView extends FrameLayout implements View.OnClickListener, TaskCallbacks { |
| 217 | Task mTask; |
| 218 | TaskThumbnailView mThumbnailView; |
| 219 | TaskIconView mIconView; |
| 220 | TaskViewCallbacks mCb; |
| 221 | |
| 222 | public TaskView(Context context) { |
| 223 | super(context); |
| 224 | mThumbnailView = new TaskThumbnailView(context); |
| 225 | mIconView = new TaskIconView(context); |
| 226 | mIconView.setOnClickListener(this); |
| 227 | addView(mThumbnailView); |
| 228 | addView(mIconView); |
| 229 | |
| 230 | RecentsConfiguration config = RecentsConfiguration.getInstance(); |
| 231 | int barHeight = config.pxFromDp(Constants.Values.TaskView.TaskBarHeightDps); |
| 232 | int iconSize = config.pxFromDp(Constants.Values.TaskView.TaskIconSizeDps); |
| 233 | int offset = barHeight - (iconSize / 2); |
| 234 | |
| 235 | // XXX: Lets keep the icon in the corner for the time being |
| 236 | offset = iconSize / 4; |
| 237 | |
| 238 | /* |
| 239 | ((LayoutParams) mThumbnailView.getLayoutParams()).leftMargin = barHeight / 2; |
| 240 | ((LayoutParams) mThumbnailView.getLayoutParams()).rightMargin = barHeight / 2; |
| 241 | ((LayoutParams) mThumbnailView.getLayoutParams()).bottomMargin = barHeight; |
| 242 | */ |
| 243 | ((LayoutParams) mIconView.getLayoutParams()).gravity = Gravity.END; |
| 244 | ((LayoutParams) mIconView.getLayoutParams()).width = iconSize; |
| 245 | ((LayoutParams) mIconView.getLayoutParams()).height = iconSize; |
| 246 | ((LayoutParams) mIconView.getLayoutParams()).topMargin = offset; |
| 247 | ((LayoutParams) mIconView.getLayoutParams()).rightMargin = offset; |
| 248 | } |
| 249 | |
| 250 | /** Set the task and callback */ |
| 251 | void bindToTask(Task t, TaskViewCallbacks cb) { |
| 252 | mTask = t; |
| 253 | mTask.setCallbacks(this); |
| 254 | mCb = cb; |
| 255 | } |
| 256 | |
| 257 | /** Actually synchronizes the model data into the views */ |
| 258 | void syncToTask() { |
| 259 | mThumbnailView.rebindToTask(mTask, false); |
| 260 | mIconView.rebindToTask(mTask, false); |
| 261 | } |
| 262 | |
| 263 | /** Unset the task and callback */ |
| 264 | void unbindFromTask() { |
| 265 | mTask.setCallbacks(null); |
| 266 | mThumbnailView.unbindFromTask(); |
| 267 | mIconView.unbindFromTask(); |
| 268 | } |
| 269 | |
| 270 | /** Gets the task */ |
| 271 | Task getTask() { |
| 272 | return mTask; |
| 273 | } |
| 274 | |
| 275 | /** Synchronizes this view's properties with the task's transform */ |
| 276 | void updateViewPropertiesFromTask(TaskViewTransform animateFromTransform, |
| 277 | TaskViewTransform transform, int duration) { |
| 278 | if (duration > 0) { |
| 279 | if (animateFromTransform != null) { |
| 280 | setTranslationY(animateFromTransform.translationY); |
| 281 | setScaleX(animateFromTransform.scale); |
| 282 | setScaleY(animateFromTransform.scale); |
| 283 | } |
| 284 | animate().translationY(transform.translationY) |
| 285 | .scaleX(transform.scale) |
| 286 | .scaleY(transform.scale) |
| 287 | .setDuration(duration) |
| 288 | .setInterpolator(new AccelerateDecelerateInterpolator()) |
| 289 | .start(); |
| 290 | } else { |
| 291 | setTranslationY(transform.translationY); |
| 292 | setScaleX(transform.scale); |
| 293 | setScaleY(transform.scale); |
| 294 | } |
| 295 | } |
| 296 | |
| 297 | /** Resets this view's properties */ |
| 298 | void resetViewProperties() { |
| 299 | setTranslationX(0f); |
| 300 | setTranslationY(0f); |
| 301 | setScaleX(1f); |
| 302 | setScaleY(1f); |
| 303 | setAlpha(1f); |
| 304 | } |
| 305 | |
| 306 | /** Animates this task view as it enters recents */ |
| 307 | public void animateOnEnterRecents() { |
| 308 | mIconView.setCircularClipRadius(0f); |
| 309 | mIconView.animateCircularClip(true, 1f, |
| 310 | Constants.Values.TaskView.Animation.TaskIconCircularClipInDuration, |
| 311 | 300, new AccelerateInterpolator(), null); |
| 312 | } |
| 313 | |
| 314 | /** Animates this task view as it exits recents */ |
| 315 | public void animateOnLeavingRecents(final Runnable r) { |
| 316 | if (Constants.Values.TaskView.AnimateFrontTaskIconOnLeavingUseClip) { |
| 317 | mIconView.animateCircularClip(false, 0f, |
| 318 | Constants.Values.TaskView.Animation.TaskIconCircularClipOutDuration, 0, |
| 319 | new DecelerateInterpolator(), |
| 320 | new AnimatorListenerAdapter() { |
| 321 | @Override |
| 322 | public void onAnimationEnd(Animator animation) { |
| 323 | r.run(); |
| 324 | } |
| 325 | }); |
| 326 | } else { |
| 327 | mIconView.animate() |
| 328 | .alpha(0f) |
| 329 | .setDuration(Constants.Values.TaskView.Animation.TaskIconCircularClipOutDuration) |
| 330 | .setInterpolator(new DecelerateInterpolator()) |
| 331 | .setListener( |
| 332 | new AnimatorListenerAdapter() { |
| 333 | @Override |
| 334 | public void onAnimationEnd(Animator animation) { |
| 335 | r.run(); |
| 336 | } |
| 337 | }) |
| 338 | .start(); |
| 339 | } |
| 340 | } |
| 341 | |
| 342 | /** Returns the rect we want to clip (it may not be the full rect) */ |
| 343 | Rect getClippingRect(Rect outRect, boolean accountForRoundedRects) { |
| 344 | getHitRect(outRect); |
| 345 | // XXX: We should get the hit rect of the thumbnail view and intersect, but this is faster |
| 346 | outRect.right = outRect.left + mThumbnailView.getRight(); |
| 347 | outRect.bottom = outRect.top + mThumbnailView.getBottom(); |
| 348 | // We need to shrink the next rect by the rounded corners since those are draw on |
| 349 | // top of the current view |
| 350 | if (accountForRoundedRects) { |
| 351 | RecentsConfiguration config = RecentsConfiguration.getInstance(); |
| 352 | float radius = config.pxFromDp(Constants.Values.TaskView.RoundedCornerRadiusDps); |
| 353 | outRect.inset((int) radius, (int) radius); |
| 354 | } |
| 355 | return outRect; |
| 356 | } |
| 357 | |
| 358 | /** Enable the hw layers on this task view */ |
| 359 | void enableHwLayers() { |
| 360 | Console.log(Constants.DebugFlags.UI.HwLayers, "[TaskView|enableHwLayers]"); |
| 361 | mThumbnailView.setLayerType(View.LAYER_TYPE_HARDWARE, null); |
| 362 | } |
| 363 | |
| 364 | /** Disable the hw layers on this task view */ |
| 365 | void disableHwLayers() { |
| 366 | Console.log(Constants.DebugFlags.UI.HwLayers, "[TaskView|disableHwLayers]"); |
| 367 | mThumbnailView.setLayerType(View.LAYER_TYPE_NONE, null); |
| 368 | } |
| 369 | |
| 370 | @Override |
| 371 | public void onTaskDataChanged(Task task) { |
| 372 | Console.log(Constants.DebugFlags.App.EnableBackgroundTaskLoading, |
| 373 | "[TaskView|onTaskDataChanged]", task); |
| 374 | |
| 375 | // Only update this task view if the changed task is the same as the task for this view |
| 376 | if (mTask == task) { |
| 377 | mThumbnailView.rebindToTask(mTask, true); |
| 378 | mIconView.rebindToTask(mTask, true); |
| 379 | } |
| 380 | } |
| 381 | |
| 382 | @Override |
| 383 | public void onClick(View v) { |
| 384 | mCb.onTaskIconClicked(this); |
| 385 | } |
| 386 | } |