| /* |
| * Copyright (C) 2014 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.systemui.recents.views; |
| |
| import android.animation.Animator; |
| import android.animation.AnimatorListenerAdapter; |
| import android.animation.AnimatorSet; |
| import android.animation.ArgbEvaluator; |
| import android.animation.ObjectAnimator; |
| import android.animation.ValueAnimator; |
| import android.content.Context; |
| import android.content.res.ColorStateList; |
| import android.content.res.Resources; |
| import android.graphics.Canvas; |
| import android.graphics.Color; |
| import android.graphics.Outline; |
| import android.graphics.Paint; |
| import android.graphics.PorterDuff; |
| import android.graphics.PorterDuffColorFilter; |
| import android.graphics.PorterDuffXfermode; |
| import android.graphics.drawable.ColorDrawable; |
| import android.graphics.drawable.Drawable; |
| import android.graphics.drawable.GradientDrawable; |
| import android.graphics.drawable.RippleDrawable; |
| import android.util.AttributeSet; |
| import android.view.MotionEvent; |
| import android.view.View; |
| import android.view.ViewOutlineProvider; |
| import android.widget.FrameLayout; |
| import android.widget.ImageView; |
| import android.widget.TextView; |
| import com.android.systemui.R; |
| import com.android.systemui.recents.Constants; |
| import com.android.systemui.recents.RecentsConfiguration; |
| import com.android.systemui.recents.misc.Utilities; |
| import com.android.systemui.recents.model.Task; |
| |
| |
| /* The task bar view */ |
| public class TaskViewHeader extends FrameLayout { |
| |
| RecentsConfiguration mConfig; |
| |
| // Header views |
| ImageView mDismissButton; |
| ImageView mApplicationIcon; |
| TextView mActivityDescription; |
| |
| // Header drawables |
| boolean mCurrentPrimaryColorIsDark; |
| int mCurrentPrimaryColor; |
| int mBackgroundColor; |
| Drawable mLightDismissDrawable; |
| Drawable mDarkDismissDrawable; |
| RippleDrawable mBackground; |
| GradientDrawable mBackgroundColorDrawable; |
| AnimatorSet mFocusAnimator; |
| String mDismissContentDescription; |
| |
| // Static highlight that we draw at the top of each view |
| static Paint sHighlightPaint; |
| |
| // Header dim, which is only used when task view hardware layers are not used |
| Paint mDimLayerPaint = new Paint(); |
| PorterDuffColorFilter mDimColorFilter = new PorterDuffColorFilter(0, PorterDuff.Mode.SRC_ATOP); |
| |
| public TaskViewHeader(Context context) { |
| this(context, null); |
| } |
| |
| public TaskViewHeader(Context context, AttributeSet attrs) { |
| this(context, attrs, 0); |
| } |
| |
| public TaskViewHeader(Context context, AttributeSet attrs, int defStyleAttr) { |
| this(context, attrs, defStyleAttr, 0); |
| } |
| |
| public TaskViewHeader(Context context, AttributeSet attrs, int defStyleAttr, int defStyleRes) { |
| super(context, attrs, defStyleAttr, defStyleRes); |
| mConfig = RecentsConfiguration.getInstance(); |
| setWillNotDraw(false); |
| setClipToOutline(true); |
| setOutlineProvider(new ViewOutlineProvider() { |
| @Override |
| public void getOutline(View view, Outline outline) { |
| outline.setRect(0, 0, getMeasuredWidth(), getMeasuredHeight()); |
| } |
| }); |
| |
| // Load the dismiss resources |
| Resources res = context.getResources(); |
| mLightDismissDrawable = res.getDrawable(R.drawable.recents_dismiss_light); |
| mDarkDismissDrawable = res.getDrawable(R.drawable.recents_dismiss_dark); |
| mDismissContentDescription = |
| res.getString(R.string.accessibility_recents_item_will_be_dismissed); |
| |
| // Configure the highlight paint |
| if (sHighlightPaint == null) { |
| sHighlightPaint = new Paint(); |
| sHighlightPaint.setStyle(Paint.Style.STROKE); |
| sHighlightPaint.setStrokeWidth(mConfig.taskViewHighlightPx); |
| sHighlightPaint.setColor(mConfig.taskBarViewHighlightColor); |
| sHighlightPaint.setXfermode(new PorterDuffXfermode(PorterDuff.Mode.ADD)); |
| sHighlightPaint.setAntiAlias(true); |
| } |
| } |
| |
| @Override |
| protected void onFinishInflate() { |
| // Initialize the icon and description views |
| mApplicationIcon = (ImageView) findViewById(R.id.application_icon); |
| mActivityDescription = (TextView) findViewById(R.id.activity_description); |
| mDismissButton = (ImageView) findViewById(R.id.dismiss_task); |
| |
| // Hide the backgrounds if they are ripple drawables |
| if (!Constants.DebugFlags.App.EnableTaskFiltering) { |
| if (mApplicationIcon.getBackground() instanceof RippleDrawable) { |
| mApplicationIcon.setBackground(null); |
| } |
| } |
| |
| mBackgroundColorDrawable = (GradientDrawable) getContext().getDrawable(R.drawable |
| .recents_task_view_header_bg_color); |
| // Copy the ripple drawable since we are going to be manipulating it |
| mBackground = (RippleDrawable) |
| getContext().getDrawable(R.drawable.recents_task_view_header_bg); |
| mBackground = (RippleDrawable) mBackground.mutate().getConstantState().newDrawable(); |
| mBackground.setColor(ColorStateList.valueOf(0)); |
| mBackground.setDrawableByLayerId(mBackground.getId(0), mBackgroundColorDrawable); |
| setBackground(mBackground); |
| } |
| |
| @Override |
| protected void onDraw(Canvas canvas) { |
| // Draw the highlight at the top edge (but put the bottom edge just out of view) |
| float offset = (float) Math.ceil(mConfig.taskViewHighlightPx / 2f); |
| float radius = mConfig.taskViewRoundedCornerRadiusPx; |
| int count = canvas.save(Canvas.CLIP_SAVE_FLAG); |
| canvas.clipRect(0, 0, getMeasuredWidth(), getMeasuredHeight()); |
| canvas.drawRoundRect(-offset, 0f, (float) getMeasuredWidth() + offset, |
| getMeasuredHeight() + radius, radius, radius, sHighlightPaint); |
| canvas.restoreToCount(count); |
| } |
| |
| @Override |
| public boolean hasOverlappingRendering() { |
| return false; |
| } |
| |
| /** |
| * Sets the dim alpha, only used when we are not using hardware layers. |
| * (see RecentsConfiguration.useHardwareLayers) |
| */ |
| void setDimAlpha(int alpha) { |
| mDimColorFilter.setColor(Color.argb(alpha, 0, 0, 0)); |
| mDimLayerPaint.setColorFilter(mDimColorFilter); |
| setLayerType(LAYER_TYPE_HARDWARE, mDimLayerPaint); |
| } |
| |
| /** Returns the secondary color for a primary color. */ |
| int getSecondaryColor(int primaryColor, boolean useLightOverlayColor) { |
| int overlayColor = useLightOverlayColor ? Color.WHITE : Color.BLACK; |
| return Utilities.getColorWithOverlay(primaryColor, overlayColor, 0.8f); |
| } |
| |
| /** Binds the bar view to the task */ |
| public void rebindToTask(Task t) { |
| // If an activity icon is defined, then we use that as the primary icon to show in the bar, |
| // otherwise, we fall back to the application icon |
| if (t.activityIcon != null) { |
| mApplicationIcon.setImageDrawable(t.activityIcon); |
| } else if (t.applicationIcon != null) { |
| mApplicationIcon.setImageDrawable(t.applicationIcon); |
| } |
| mApplicationIcon.setContentDescription(t.activityLabel); |
| if (!mActivityDescription.getText().toString().equals(t.activityLabel)) { |
| mActivityDescription.setText(t.activityLabel); |
| } |
| // Try and apply the system ui tint |
| int existingBgColor = getBackgroundColor(); |
| if (existingBgColor != t.colorPrimary) { |
| mBackgroundColorDrawable.setColor(t.colorPrimary); |
| mBackgroundColor = t.colorPrimary; |
| } |
| mCurrentPrimaryColor = t.colorPrimary; |
| mCurrentPrimaryColorIsDark = t.useLightOnPrimaryColor; |
| mActivityDescription.setTextColor(t.useLightOnPrimaryColor ? |
| mConfig.taskBarViewLightTextColor : mConfig.taskBarViewDarkTextColor); |
| mDismissButton.setImageDrawable(t.useLightOnPrimaryColor ? |
| mLightDismissDrawable : mDarkDismissDrawable); |
| mDismissButton.setContentDescription(String.format(mDismissContentDescription, |
| t.activityLabel)); |
| } |
| |
| /** Unbinds the bar view from the task */ |
| void unbindFromTask() { |
| mApplicationIcon.setImageDrawable(null); |
| } |
| |
| /** Animates this task bar dismiss button when launching a task. */ |
| void startLaunchTaskDismissAnimation() { |
| if (mDismissButton.getVisibility() == View.VISIBLE) { |
| mDismissButton.animate().cancel(); |
| mDismissButton.animate() |
| .alpha(0f) |
| .setStartDelay(0) |
| .setInterpolator(mConfig.fastOutSlowInInterpolator) |
| .setDuration(mConfig.taskViewExitToAppDuration) |
| .withLayer() |
| .start(); |
| } |
| } |
| |
| /** Animates this task bar if the user does not interact with the stack after a certain time. */ |
| void startNoUserInteractionAnimation() { |
| if (mDismissButton.getVisibility() != View.VISIBLE) { |
| mDismissButton.setVisibility(View.VISIBLE); |
| mDismissButton.setAlpha(0f); |
| mDismissButton.animate() |
| .alpha(1f) |
| .setStartDelay(0) |
| .setInterpolator(mConfig.fastOutLinearInInterpolator) |
| .setDuration(mConfig.taskViewEnterFromAppDuration) |
| .withLayer() |
| .start(); |
| } |
| } |
| |
| /** Mark this task view that the user does has not interacted with the stack after a certain time. */ |
| void setNoUserInteractionState() { |
| if (mDismissButton.getVisibility() != View.VISIBLE) { |
| mDismissButton.animate().cancel(); |
| mDismissButton.setVisibility(View.VISIBLE); |
| mDismissButton.setAlpha(1f); |
| } |
| } |
| |
| /** Resets the state tracking that the user has not interacted with the stack after a certain time. */ |
| void resetNoUserInteractionState() { |
| mDismissButton.setVisibility(View.INVISIBLE); |
| } |
| |
| @Override |
| protected int[] onCreateDrawableState(int extraSpace) { |
| |
| // Don't forward our state to the drawable - we do it manually in onTaskViewFocusChanged. |
| // This is to prevent layer trashing when the view is pressed. |
| return new int[] {}; |
| } |
| |
| /** Notifies the associated TaskView has been focused. */ |
| void onTaskViewFocusChanged(boolean focused, boolean animateFocusedState) { |
| // If we are not animating the visible state, just return |
| if (!animateFocusedState) return; |
| |
| boolean isRunning = false; |
| if (mFocusAnimator != null) { |
| isRunning = mFocusAnimator.isRunning(); |
| Utilities.cancelAnimationWithoutCallbacks(mFocusAnimator); |
| } |
| |
| if (focused) { |
| int secondaryColor = getSecondaryColor(mCurrentPrimaryColor, mCurrentPrimaryColorIsDark); |
| int[][] states = new int[][] { |
| new int[] { android.R.attr.state_enabled }, |
| new int[] { android.R.attr.state_pressed } |
| }; |
| int[] newStates = new int[]{ |
| android.R.attr.state_enabled, |
| android.R.attr.state_pressed |
| }; |
| int[] colors = new int[] { |
| secondaryColor, |
| secondaryColor |
| }; |
| mBackground.setColor(new ColorStateList(states, colors)); |
| mBackground.setState(newStates); |
| // Pulse the background color |
| int currentColor = mBackgroundColor; |
| int lightPrimaryColor = getSecondaryColor(mCurrentPrimaryColor, mCurrentPrimaryColorIsDark); |
| ValueAnimator backgroundColor = ValueAnimator.ofObject(new ArgbEvaluator(), |
| currentColor, lightPrimaryColor); |
| backgroundColor.addListener(new AnimatorListenerAdapter() { |
| @Override |
| public void onAnimationStart(Animator animation) { |
| mBackground.setState(new int[]{}); |
| } |
| }); |
| backgroundColor.addUpdateListener(new ValueAnimator.AnimatorUpdateListener() { |
| @Override |
| public void onAnimationUpdate(ValueAnimator animation) { |
| int color = (int) animation.getAnimatedValue(); |
| mBackgroundColorDrawable.setColor(color); |
| mBackgroundColor = color; |
| } |
| }); |
| backgroundColor.setRepeatCount(ValueAnimator.INFINITE); |
| backgroundColor.setRepeatMode(ValueAnimator.REVERSE); |
| // Pulse the translation |
| ObjectAnimator translation = ObjectAnimator.ofFloat(this, "translationZ", 15f); |
| translation.setRepeatCount(ValueAnimator.INFINITE); |
| translation.setRepeatMode(ValueAnimator.REVERSE); |
| |
| mFocusAnimator = new AnimatorSet(); |
| mFocusAnimator.playTogether(backgroundColor, translation); |
| mFocusAnimator.setStartDelay(750); |
| mFocusAnimator.setDuration(750); |
| mFocusAnimator.start(); |
| } else { |
| if (isRunning) { |
| // Restore the background color |
| int currentColor = mBackgroundColor; |
| ValueAnimator backgroundColor = ValueAnimator.ofObject(new ArgbEvaluator(), |
| currentColor, mCurrentPrimaryColor); |
| backgroundColor.addUpdateListener(new ValueAnimator.AnimatorUpdateListener() { |
| @Override |
| public void onAnimationUpdate(ValueAnimator animation) { |
| int color = (int) animation.getAnimatedValue(); |
| mBackgroundColorDrawable.setColor(color); |
| mBackgroundColor = color; |
| } |
| }); |
| // Restore the translation |
| ObjectAnimator translation = ObjectAnimator.ofFloat(this, "translationZ", 0f); |
| |
| mFocusAnimator = new AnimatorSet(); |
| mFocusAnimator.playTogether(backgroundColor, translation); |
| mFocusAnimator.setDuration(150); |
| mFocusAnimator.start(); |
| } else { |
| mBackground.setState(new int[] {}); |
| setTranslationZ(0f); |
| } |
| } |
| } |
| } |