| /* |
| * 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.annotation.Nullable; |
| import android.content.Context; |
| import android.content.res.Resources; |
| import android.graphics.Canvas; |
| import android.graphics.Color; |
| import android.graphics.ColorFilter; |
| import android.graphics.Paint; |
| import android.graphics.PorterDuff; |
| import android.graphics.PixelFormat; |
| import android.graphics.Rect; |
| import android.graphics.drawable.Drawable; |
| import android.graphics.drawable.RippleDrawable; |
| import android.support.v4.graphics.ColorUtils; |
| import android.os.CountDownTimer; |
| import android.util.AttributeSet; |
| import android.view.View; |
| import android.view.animation.AnimationUtils; |
| import android.view.animation.Interpolator; |
| import android.widget.FrameLayout; |
| import android.widget.ImageView; |
| import android.widget.ProgressBar; |
| import android.widget.TextView; |
| import com.android.internal.logging.MetricsLogger; |
| |
| import com.android.systemui.R; |
| import com.android.systemui.recents.Constants; |
| import com.android.systemui.recents.Recents; |
| import com.android.systemui.recents.events.EventBus; |
| import com.android.systemui.recents.events.activity.LaunchTaskEvent; |
| import com.android.systemui.recents.events.ui.ShowApplicationInfoEvent; |
| import com.android.systemui.recents.misc.SystemServicesProxy; |
| import com.android.systemui.recents.misc.Utilities; |
| import com.android.systemui.recents.model.Task; |
| |
| import static android.app.ActivityManager.StackId.FREEFORM_WORKSPACE_STACK_ID; |
| import static android.app.ActivityManager.StackId.FULLSCREEN_WORKSPACE_STACK_ID; |
| import static android.app.ActivityManager.StackId.INVALID_STACK_ID; |
| |
| /* The task bar view */ |
| public class TaskViewHeader extends FrameLayout |
| implements View.OnClickListener, View.OnLongClickListener { |
| |
| private static final float HIGHLIGHT_LIGHTNESS_INCREMENT = 0.125f; |
| private static final long FOCUS_INDICATOR_INTERVAL_MS = 30; |
| |
| /** |
| * A color drawable that draws a slight highlight at the top to help it stand out. |
| */ |
| private class HighlightColorDrawable extends Drawable { |
| |
| private Paint mHighlightPaint = new Paint(); |
| private Paint mBackgroundPaint = new Paint(); |
| |
| private float[] mTmpHSL = new float[3]; |
| |
| public HighlightColorDrawable() { |
| mBackgroundPaint.setColor(Color.argb(255, 0, 0, 0)); |
| mBackgroundPaint.setAntiAlias(true); |
| mHighlightPaint.setColor(Color.argb(255, 255, 255, 255)); |
| mHighlightPaint.setAntiAlias(true); |
| } |
| |
| public void setColorAndDim(int color, float dimAlpha) { |
| mBackgroundPaint.setColor(color); |
| |
| ColorUtils.colorToHSL(color, mTmpHSL); |
| // TODO: Consider using the saturation of the color to adjust the lightness as well |
| mTmpHSL[2] = Math.min(1f, |
| mTmpHSL[2] + HIGHLIGHT_LIGHTNESS_INCREMENT * (1.0f - dimAlpha)); |
| mHighlightPaint.setColor(ColorUtils.HSLToColor(mTmpHSL)); |
| |
| invalidateSelf(); |
| } |
| |
| @Override |
| public void setColorFilter(@Nullable ColorFilter colorFilter) { |
| // Do nothing |
| } |
| |
| @Override |
| public void setAlpha(int alpha) { |
| // Do nothing |
| } |
| |
| @Override |
| public void draw(Canvas canvas) { |
| // Draw the highlight at the top edge (but put the bottom edge just out of view) |
| canvas.drawRoundRect(0, 0, mTaskViewRect.width(), |
| 2 * Math.max(mHighlightHeight, mCornerRadius), |
| mCornerRadius, mCornerRadius, mHighlightPaint); |
| |
| // Draw the background with the rounded corners |
| canvas.drawRoundRect(0, mHighlightHeight, mTaskViewRect.width(), |
| getHeight() + mCornerRadius, |
| mCornerRadius, mCornerRadius, mBackgroundPaint); |
| } |
| |
| @Override |
| public int getOpacity() { |
| return PixelFormat.OPAQUE; |
| } |
| } |
| |
| Task mTask; |
| |
| // Header views |
| ImageView mMoveTaskButton; |
| ImageView mDismissButton; |
| ImageView mIconView; |
| TextView mTitleView; |
| int mMoveTaskTargetStackId = INVALID_STACK_ID; |
| ProgressBar mFocusTimerIndicator; |
| |
| // Header drawables |
| Rect mTaskViewRect = new Rect(); |
| int mCornerRadius; |
| int mHighlightHeight; |
| float mDimAlpha; |
| Drawable mLightDismissDrawable; |
| Drawable mDarkDismissDrawable; |
| Drawable mLightFreeformIcon; |
| Drawable mDarkFreeformIcon; |
| Drawable mLightFullscreenIcon; |
| Drawable mDarkFullscreenIcon; |
| int mTaskBarViewLightTextColor; |
| int mTaskBarViewDarkTextColor; |
| |
| // Header background |
| private HighlightColorDrawable mBackground; |
| |
| // Header dim, which is only used when task view hardware layers are not used |
| private Paint mDimLayerPaint = new Paint(); |
| |
| Interpolator mFastOutSlowInInterpolator; |
| Interpolator mFastOutLinearInInterpolator; |
| |
| long mFocusIndicatorProgress; |
| private CountDownTimer mFocusTimerCountDown; |
| long mFocusTimerDuration; |
| |
| 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); |
| setWillNotDraw(false); |
| |
| // Load the dismiss resources |
| Resources res = context.getResources(); |
| mLightDismissDrawable = context.getDrawable(R.drawable.recents_dismiss_light); |
| mDarkDismissDrawable = context.getDrawable(R.drawable.recents_dismiss_dark); |
| mCornerRadius = res.getDimensionPixelSize(R.dimen.recents_task_view_rounded_corners_radius); |
| mHighlightHeight = res.getDimensionPixelSize(R.dimen.recents_task_view_highlight); |
| mTaskBarViewLightTextColor = context.getColor(R.color.recents_task_bar_light_text_color); |
| mTaskBarViewDarkTextColor = context.getColor(R.color.recents_task_bar_dark_text_color); |
| mLightFreeformIcon = context.getDrawable(R.drawable.recents_move_task_freeform_light); |
| mDarkFreeformIcon = context.getDrawable(R.drawable.recents_move_task_freeform_dark); |
| mLightFullscreenIcon = context.getDrawable(R.drawable.recents_move_task_fullscreen_light); |
| mDarkFullscreenIcon = context.getDrawable(R.drawable.recents_move_task_fullscreen_dark); |
| |
| mFastOutSlowInInterpolator = AnimationUtils.loadInterpolator(context, |
| com.android.internal.R.interpolator.fast_out_slow_in); |
| mFastOutLinearInInterpolator = AnimationUtils.loadInterpolator(context, |
| com.android.internal.R.interpolator.fast_out_linear_in); |
| |
| // Configure the background and dim |
| mBackground = new HighlightColorDrawable(); |
| mBackground.setColorAndDim(Color.argb(255, 0, 0, 0), 0f); |
| setBackground(mBackground); |
| mDimLayerPaint.setColor(Color.argb(255, 0, 0, 0)); |
| mDimLayerPaint.setAntiAlias(true); |
| mFocusTimerDuration = res.getInteger(R.integer.recents_auto_advance_duration); |
| } |
| |
| @Override |
| protected void onFinishInflate() { |
| // Initialize the icon and description views |
| mIconView = (ImageView) findViewById(R.id.icon); |
| mIconView.setOnLongClickListener(this); |
| mTitleView = (TextView) findViewById(R.id.title); |
| mDismissButton = (ImageView) findViewById(R.id.dismiss_task); |
| mDismissButton.setOnClickListener(this); |
| mMoveTaskButton = (ImageView) findViewById(R.id.move_task); |
| mFocusTimerIndicator = (ProgressBar) findViewById(R.id.focus_timer_indicator); |
| |
| // Hide the backgrounds if they are ripple drawables |
| if (mIconView.getBackground() instanceof RippleDrawable) { |
| mIconView.setBackground(null); |
| } |
| } |
| |
| /** |
| * Called when the task view frame changes, allowing us to move the contents of the header |
| * to match the frame changes. |
| */ |
| public void onTaskViewSizeChanged(int width, int height) { |
| // Return early if the bounds have not changed |
| if (mTaskViewRect.width() == width && mTaskViewRect.height() == height) { |
| return; |
| } |
| |
| mTaskViewRect.set(0, 0, width, height); |
| boolean updateMoveTaskButton = mMoveTaskButton.getVisibility() != View.GONE; |
| int appIconWidth = mIconView.getMeasuredWidth(); |
| int activityDescWidth = (mTask != null) |
| ? (int) mTitleView.getPaint().measureText(mTask.title) |
| : mTitleView.getMeasuredWidth(); |
| int dismissIconWidth = mDismissButton.getMeasuredWidth(); |
| int moveTaskIconWidth = mMoveTaskButton.getVisibility() == View.VISIBLE |
| ? mMoveTaskButton.getMeasuredWidth() |
| : 0; |
| |
| // Priority-wise, we show the activity icon first, the dismiss icon if there is room, the |
| // move-task icon if there is room, and then finally, the activity label if there is room |
| if (width < (appIconWidth + dismissIconWidth)) { |
| mTitleView.setVisibility(View.INVISIBLE); |
| if (updateMoveTaskButton) { |
| mMoveTaskButton.setVisibility(View.INVISIBLE); |
| } |
| mDismissButton.setVisibility(View.INVISIBLE); |
| } else if (width < (appIconWidth + dismissIconWidth + moveTaskIconWidth)) { |
| mTitleView.setVisibility(View.INVISIBLE); |
| if (updateMoveTaskButton) { |
| mMoveTaskButton.setVisibility(View.INVISIBLE); |
| } |
| mDismissButton.setVisibility(View.VISIBLE); |
| } else if (width < (appIconWidth + dismissIconWidth + moveTaskIconWidth + |
| activityDescWidth)) { |
| mTitleView.setVisibility(View.INVISIBLE); |
| if (updateMoveTaskButton) { |
| mMoveTaskButton.setVisibility(View.VISIBLE); |
| } |
| mDismissButton.setVisibility(View.VISIBLE); |
| } else { |
| mTitleView.setVisibility(View.VISIBLE); |
| if (updateMoveTaskButton) { |
| mMoveTaskButton.setVisibility(View.VISIBLE); |
| } |
| mDismissButton.setVisibility(View.VISIBLE); |
| } |
| if (updateMoveTaskButton) { |
| mMoveTaskButton.setTranslationX(width - getMeasuredWidth()); |
| } |
| mDismissButton.setTranslationX(width - getMeasuredWidth()); |
| invalidate(); |
| } |
| |
| @Override |
| protected boolean verifyDrawable(Drawable who) { |
| return super.verifyDrawable(who) || (who == mBackground); |
| } |
| |
| @Override |
| protected void dispatchDraw(Canvas canvas) { |
| super.dispatchDraw(canvas); |
| |
| // Draw the dim layer with the rounded corners |
| canvas.drawRoundRect(0, 0, mTaskViewRect.width(), getHeight() + mCornerRadius, |
| mCornerRadius, mCornerRadius, mDimLayerPaint); |
| } |
| |
| /** Starts the focus timer. */ |
| public void startFocusTimerIndicator() { |
| mFocusTimerIndicator.setVisibility(View.VISIBLE); |
| mFocusTimerIndicator.setMax((int) mFocusTimerDuration); |
| if (mFocusTimerCountDown == null) { |
| mFocusTimerCountDown = new CountDownTimer(mFocusTimerDuration, |
| FOCUS_INDICATOR_INTERVAL_MS) { |
| public void onTick(long millisUntilFinished) { |
| mFocusTimerIndicator.setProgress((int) millisUntilFinished); |
| } |
| |
| public void onFinish() { |
| mFocusTimerIndicator.setProgress((int) mFocusTimerDuration); |
| } |
| }.start(); |
| } else { |
| mFocusTimerCountDown.start(); |
| } |
| } |
| |
| /** Cancels the focus timer. */ |
| public void cancelFocusTimerIndicator() { |
| if (mFocusTimerCountDown != null && mFocusTimerIndicator != null) { |
| mFocusTimerCountDown.cancel(); |
| mFocusTimerIndicator.setProgress(0); |
| mFocusTimerIndicator.setVisibility(View.INVISIBLE); |
| } |
| } |
| |
| /** 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); |
| } |
| |
| /** |
| * Sets the dim alpha, only used when we are not using hardware layers. |
| * (see RecentsConfiguration.useHardwareLayers) |
| */ |
| void setDimAlpha(float dimAlpha) { |
| mDimAlpha = dimAlpha; |
| updateBackgroundColor(dimAlpha); |
| invalidate(); |
| } |
| |
| /** |
| * Updates the background and highlight colors for this header. |
| */ |
| private void updateBackgroundColor(float dimAlpha) { |
| if (mTask != null) { |
| mBackground.setColorAndDim(mTask.colorPrimary, dimAlpha); |
| mDimLayerPaint.setAlpha((int) (dimAlpha * 255)); |
| } |
| } |
| |
| /** Binds the bar view to the task */ |
| public void rebindToTask(Task t) { |
| SystemServicesProxy ssp = Recents.getSystemServices(); |
| mTask = 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 |
| updateBackgroundColor(mDimAlpha); |
| if (t.icon != null) { |
| mIconView.setImageDrawable(t.icon); |
| } |
| if (!mTitleView.getText().toString().equals(t.title)) { |
| mTitleView.setText(t.title); |
| } |
| mTitleView.setContentDescription(t.contentDescription); |
| mTitleView.setTextColor(t.useLightOnPrimaryColor ? |
| mTaskBarViewLightTextColor : mTaskBarViewDarkTextColor); |
| mDismissButton.setImageDrawable(t.useLightOnPrimaryColor ? |
| mLightDismissDrawable : mDarkDismissDrawable); |
| mDismissButton.setContentDescription(t.dismissDescription); |
| |
| // When freeform workspaces are enabled, then update the move-task button depending on the |
| // current task |
| if (ssp.hasFreeformWorkspaceSupport()) { |
| if (t.isFreeformTask()) { |
| mMoveTaskTargetStackId = FULLSCREEN_WORKSPACE_STACK_ID; |
| mMoveTaskButton.setImageDrawable(t.useLightOnPrimaryColor |
| ? mLightFullscreenIcon |
| : mDarkFullscreenIcon); |
| } else { |
| mMoveTaskTargetStackId = FREEFORM_WORKSPACE_STACK_ID; |
| mMoveTaskButton.setImageDrawable(t.useLightOnPrimaryColor |
| ? mLightFreeformIcon |
| : mDarkFreeformIcon); |
| } |
| if (mMoveTaskButton.getVisibility() != View.VISIBLE) { |
| mMoveTaskButton.setVisibility(View.VISIBLE); |
| } |
| mMoveTaskButton.setOnClickListener(this); |
| } |
| |
| mFocusTimerIndicator.getProgressDrawable() |
| .setColorFilter( |
| getSecondaryColor(t.colorPrimary, t.useLightOnPrimaryColor), |
| PorterDuff.Mode.SRC_IN); |
| |
| // In accessibility, a single click on the focused app info button will show it |
| if (ssp.isTouchExplorationEnabled()) { |
| mIconView.setOnClickListener(this); |
| } |
| } |
| |
| /** Unbinds the bar view from the task */ |
| void unbindFromTask() { |
| mTask = null; |
| mIconView.setImageDrawable(null); |
| mIconView.setOnClickListener(null); |
| mMoveTaskButton.setOnClickListener(null); |
| } |
| |
| /** 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(mFastOutLinearInInterpolator) |
| .setDuration(getResources().getInteger( |
| R.integer.recents_task_enter_from_app_duration)) |
| .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[] {}; |
| } |
| |
| @Override |
| public void onClick(View v) { |
| if (v == mIconView) { |
| // In accessibility, a single click on the focused app info button will show it |
| EventBus.getDefault().send(new ShowApplicationInfoEvent(mTask)); |
| } else if (v == mDismissButton) { |
| TaskView tv = Utilities.findParent(this, TaskView.class); |
| tv.dismissTask(); |
| |
| // Keep track of deletions by the dismiss button |
| MetricsLogger.histogram(getContext(), "overview_task_dismissed_source", |
| Constants.Metrics.DismissSourceHeaderButton); |
| } else if (v == mMoveTaskButton) { |
| TaskView tv = Utilities.findParent(this, TaskView.class); |
| Rect bounds = mMoveTaskTargetStackId == FREEFORM_WORKSPACE_STACK_ID |
| ? new Rect(mTaskViewRect) |
| : new Rect(); |
| EventBus.getDefault().send(new LaunchTaskEvent(tv, mTask, bounds, |
| mMoveTaskTargetStackId, false)); |
| } |
| } |
| |
| @Override |
| public boolean onLongClick(View v) { |
| if (v == mIconView) { |
| EventBus.getDefault().send(new ShowApplicationInfoEvent(mTask)); |
| return true; |
| } |
| return false; |
| } |
| } |