| /* |
| * 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.ObjectAnimator; |
| import android.content.Context; |
| import android.content.res.ColorStateList; |
| 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.Rect; |
| import android.graphics.drawable.ColorDrawable; |
| import android.graphics.drawable.Drawable; |
| import android.graphics.drawable.GradientDrawable; |
| import android.graphics.drawable.RippleDrawable; |
| import android.graphics.drawable.ShapeDrawable; |
| import android.util.AttributeSet; |
| import android.view.View; |
| import android.view.ViewOutlineProvider; |
| import android.view.animation.AnimationUtils; |
| import android.view.animation.Interpolator; |
| import android.widget.FrameLayout; |
| import android.widget.ImageView; |
| 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.ui.ResizeTaskEvent; |
| 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; |
| |
| |
| /* The task bar view */ |
| public class TaskViewHeader extends FrameLayout |
| implements View.OnClickListener, View.OnLongClickListener { |
| |
| Task mTask; |
| |
| // Header views |
| ImageView mMoveTaskButton; |
| ImageView mDismissButton; |
| ImageView mApplicationIcon; |
| TextView mActivityDescription; |
| |
| // Header drawables |
| Rect mTaskViewRect = new Rect(); |
| int mCornerRadius; |
| int mHighlightHeight; |
| Drawable mLightDismissDrawable; |
| Drawable mDarkDismissDrawable; |
| RippleDrawable mBackground; |
| GradientDrawable mBackgroundColorDrawable; |
| 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(); |
| |
| Interpolator mFastOutSlowInInterpolator; |
| Interpolator mFastOutLinearInInterpolator; |
| |
| 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 |
| mDimLayerPaint.setColor(Color.argb(0, 0, 0, 0)); |
| mLightDismissDrawable = context.getDrawable(R.drawable.recents_dismiss_light); |
| mDarkDismissDrawable = context.getDrawable(R.drawable.recents_dismiss_dark); |
| mDismissContentDescription = |
| context.getString(R.string.accessibility_recents_item_will_be_dismissed); |
| mCornerRadius = getResources().getDimensionPixelSize( |
| R.dimen.recents_task_view_rounded_corners_radius); |
| mHighlightHeight = getResources().getDimensionPixelSize( |
| R.dimen.recents_task_view_highlight); |
| 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 highlight paint |
| if (sHighlightPaint == null) { |
| sHighlightPaint = new Paint(); |
| sHighlightPaint.setStyle(Paint.Style.STROKE); |
| sHighlightPaint.setStrokeWidth(mHighlightHeight); |
| sHighlightPaint.setColor(context.getColor(R.color.recents_task_bar_highlight_color)); |
| 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); |
| mApplicationIcon.setOnLongClickListener(this); |
| mActivityDescription = (TextView) findViewById(R.id.activity_description); |
| mDismissButton = (ImageView) findViewById(R.id.dismiss_task); |
| mDismissButton.setOnClickListener(this); |
| mMoveTaskButton = (ImageView) findViewById(R.id.move_task); |
| |
| // Hide the backgrounds if they are ripple drawables |
| 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); |
| } |
| |
| /** |
| * 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) { |
| mTaskViewRect.set(0, 0, width, height); |
| if (mDismissButton.getMeasuredWidth() > (width - mApplicationIcon.getMeasuredWidth())) { |
| mDismissButton.setAlpha(0f); |
| } else { |
| mDismissButton.setAlpha(1f); |
| if (mDismissButton != null) { |
| mDismissButton.setTranslationX(width - getMeasuredWidth()); |
| } |
| } |
| if (mActivityDescription.getMeasuredWidth() > (width - |
| (mApplicationIcon.getMeasuredWidth() + mDismissButton.getMeasuredWidth()))) { |
| mActivityDescription.setAlpha(0f); |
| } else { |
| mActivityDescription.setAlpha(1f); |
| } |
| invalidate(); |
| } |
| |
| @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(mHighlightHeight / 2f); |
| float radius = mCornerRadius; |
| int count = canvas.save(Canvas.CLIP_SAVE_FLAG); |
| canvas.clipRect(0, 0, mTaskViewRect.width(), getMeasuredHeight()); |
| canvas.drawRoundRect(-offset, 0f, (float) mTaskViewRect.width() + offset, |
| getMeasuredHeight() + radius, radius, radius, sHighlightPaint); |
| canvas.restoreToCount(count); |
| } |
| |
| /** |
| * Sets the dim alpha, only used when we are not using hardware layers. |
| * (see RecentsConfiguration.useHardwareLayers) |
| */ |
| void setDimAlpha(int alpha) { |
| mDimLayerPaint.setColor(Color.argb(alpha, 0, 0, 0)); |
| invalidate(); |
| } |
| |
| /** Binds the bar view to the task */ |
| public void rebindToTask(Task t) { |
| 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 |
| if (t.activityIcon != null) { |
| mApplicationIcon.setImageDrawable(t.activityIcon); |
| } else if (t.applicationIcon != null) { |
| mApplicationIcon.setImageDrawable(t.applicationIcon); |
| } |
| if (!mActivityDescription.getText().toString().equals(t.activityLabel)) { |
| mActivityDescription.setText(t.activityLabel); |
| } |
| mActivityDescription.setContentDescription(t.contentDescription); |
| |
| // Try and apply the system ui tint |
| int existingBgColor = (getBackground() instanceof ColorDrawable) ? |
| ((ColorDrawable) getBackground()).getColor() : 0; |
| if (existingBgColor != t.colorPrimary) { |
| mBackgroundColorDrawable.setColor(t.colorPrimary); |
| } |
| |
| int taskBarViewLightTextColor = getResources().getColor( |
| R.color.recents_task_bar_light_text_color); |
| int taskBarViewDarkTextColor = getResources().getColor( |
| R.color.recents_task_bar_dark_text_color); |
| mActivityDescription.setTextColor(t.useLightOnPrimaryColor ? |
| taskBarViewLightTextColor : taskBarViewDarkTextColor); |
| mDismissButton.setImageDrawable(t.useLightOnPrimaryColor ? |
| mLightDismissDrawable : mDarkDismissDrawable); |
| mDismissButton.setContentDescription(String.format(mDismissContentDescription, |
| t.contentDescription)); |
| updateResizeTaskBarIcon(t); |
| mMoveTaskButton.setVisibility(View.VISIBLE); |
| mMoveTaskButton.setOnClickListener(this); |
| |
| // In accessibility, a single click on the focused app info button will show it |
| SystemServicesProxy ssp = Recents.getSystemServices(); |
| if (ssp.isTouchExplorationEnabled()) { |
| mApplicationIcon.setOnClickListener(this); |
| } |
| } |
| |
| /** Unbinds the bar view from the task */ |
| void unbindFromTask() { |
| mTask = null; |
| mApplicationIcon.setImageDrawable(null); |
| mApplicationIcon.setOnClickListener(null); |
| mMoveTaskButton.setOnClickListener(null); |
| } |
| |
| /** Updates the resize task bar button. */ |
| void updateResizeTaskBarIcon(Task t) { |
| SystemServicesProxy ssp = Recents.getSystemServices(); |
| Rect display = ssp.getWindowRect(); |
| Rect taskRect = ssp.getTaskBounds(t.key.id); |
| int resId = R.drawable.star; |
| if (display.equals(taskRect) || taskRect.isEmpty()) { |
| resId = R.drawable.vector_drawable_place_fullscreen; |
| } else { |
| boolean top = display.top == taskRect.top; |
| boolean bottom = display.bottom == taskRect.bottom; |
| boolean left = display.left == taskRect.left; |
| boolean right = display.right == taskRect.right; |
| if (top && bottom && left) { |
| resId = R.drawable.vector_drawable_place_left; |
| } else if (top && bottom && right) { |
| resId = R.drawable.vector_drawable_place_right; |
| } else if (top && left && right) { |
| resId = R.drawable.vector_drawable_place_top; |
| } else if (bottom && left && right) { |
| resId = R.drawable.vector_drawable_place_bottom; |
| } else if (top && right) { |
| resId = R.drawable.vector_drawable_place_top_right; |
| } else if (top && left) { |
| resId = R.drawable.vector_drawable_place_top_left; |
| } else if (bottom && right) { |
| resId = R.drawable.vector_drawable_place_bottom_right; |
| } else if (bottom && left) { |
| resId = R.drawable.vector_drawable_place_bottom_left; |
| } |
| } |
| mMoveTaskButton.setImageResource(resId); |
| } |
| |
| /** Animates this task bar dismiss button when launching a task. */ |
| void startLaunchTaskDismissAnimation(final Runnable postAnimationRunanble) { |
| if (mDismissButton.getVisibility() == View.VISIBLE) { |
| int taskViewExitToAppDuration = mContext.getResources().getInteger( |
| R.integer.recents_task_exit_to_app_duration); |
| mDismissButton.animate().cancel(); |
| mDismissButton.animate() |
| .alpha(0f) |
| .setStartDelay(0) |
| .setInterpolator(mFastOutSlowInInterpolator) |
| .setDuration(taskViewExitToAppDuration) |
| .withEndAction(postAnimationRunanble) |
| .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(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 |
| 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, mDimLayerPaint); |
| } |
| |
| @Override |
| public void onClick(View v) { |
| if (v == mApplicationIcon) { |
| // 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) { |
| EventBus.getDefault().send(new ResizeTaskEvent(mTask)); |
| } |
| } |
| |
| @Override |
| public boolean onLongClick(View v) { |
| if (v == mApplicationIcon) { |
| EventBus.getDefault().send(new ShowApplicationInfoEvent(mTask)); |
| return true; |
| } |
| return false; |
| } |
| } |