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Commit e274b8f7 authored by Winson Chung's avatar Winson Chung Committed by Android Git Automerger
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am f7093202: Enabling recents stack clipping 

* commit 'f709320263f370145780270fdc825cfbc48912d1':
  Enabling recents stack clipping
parents 9a3fa7a5 bf5dbf1c

packages/SystemUI/res/layout/recents_task_view.xml

+24 −19
Original line number Diff line number Diff line
@@ -18,6 +18,10 @@ 
    android:layout_width="match_parent"

    android:layout_height="match_parent"

    android:focusable="true">

    <FrameLayout

        android:id="@+id/task_view_content"

        android:layout_width="match_parent"

        android:layout_height="match_parent">

        <com.android.systemui.recents.views.TaskViewThumbnail

            android:id="@+id/task_view_thumbnail"

            android:layout_width="match_parent"
@@ -30,7 +34,7 @@ 
            android:layout_gravity="bottom|right"

            android:layout_marginRight="15dp"

            android:layout_marginBottom="15dp"

        android:translationZ="3dp"

            android:translationZ="2dp"

            android:contentDescription="@string/recents_lock_to_app_button_label"

            android:background="@drawable/recents_lock_to_task_button_bg">

            <ImageView
@@ -39,6 +43,7 @@ 
                android:layout_gravity="center"

                android:src="@drawable/recents_lock_to_app_pin" />

        </FrameLayout>

    </FrameLayout>

</com.android.systemui.recents.views.TaskView>

packages/SystemUI/res/values/config.xml

+6 −3
Original line number Diff line number Diff line
@@ -154,9 +154,12 @@ 
     duration of the transition in to recents from home. -->

    <integer name="recents_animate_task_enter_from_home_delay">150</integer>

    <!-- The min animation duration for animating the task in when transitioning from home. -->

    <integer name="recents_animate_task_enter_from_home_duration">275</integer>

    <!-- The animation stagger to apply to each task animation when transitioning from home. -->

    <integer name="recents_animate_task_enter_from_home_stagger_delay">10</integer>

    <integer name="recents_animate_task_enter_from_home_duration">200</integer>

    <!-- The total animation stagger delay when entering from home. -->

    <integer name="recents_animate_task_enter_from_home_stagger_delay">110</integer>

    <!-- The total animation duration added to the last card when entering from home.

    This value is partialy also added to the previous tasks -->

    <integer name="recents_animate_task_enter_from_home_stagger_duration">72</integer>

    <!-- The short duration when animating in/out the lock to app button. -->

    <integer name="recents_animate_lock_to_app_button_short_duration">150</integer>

    <!-- The long duration when animating in/out the lock to app button. -->

packages/SystemUI/src/com/android/systemui/recents/Constants.java

+1 −1
Original line number Diff line number Diff line
@@ -32,7 +32,7 @@ public class Constants { 
            // Enables the filtering of tasks according to their grouping

            public static final boolean EnableTaskFiltering = false;

            // Enables clipping of tasks against each other

            public static final boolean EnableTaskStackClipping = false;

            public static final boolean EnableTaskStackClipping = true;

            // Enables tapping on the TaskBar to launch the task

            public static final boolean EnableTaskBarTouchEvents = true;

            // Enables app-info pane on long-pressing the icon

packages/SystemUI/src/com/android/systemui/recents/RecentsConfiguration.java

+3 −0
Original line number Diff line number Diff line
@@ -78,6 +78,7 @@ public class RecentsConfiguration { 
    public int taskViewEnterFromHomeDelay;

    public int taskViewEnterFromHomeDuration;

    public int taskViewEnterFromHomeStaggerDelay;

    public int taskViewEnterFromHomeStaggerDuration;

    public int taskViewExitToHomeDuration;

    public int taskViewRemoveAnimDuration;

    public int taskViewRemoveAnimTranslationXPx;
@@ -219,6 +220,8 @@ public class RecentsConfiguration { 
                res.getInteger(R.integer.recents_animate_task_enter_from_home_duration);

        taskViewEnterFromHomeStaggerDelay =

                res.getInteger(R.integer.recents_animate_task_enter_from_home_stagger_delay);

        taskViewEnterFromHomeStaggerDuration =

                res.getInteger(R.integer.recents_animate_task_enter_from_home_stagger_duration);

        taskViewExitToHomeDuration =

                res.getInteger(R.integer.recents_animate_task_exit_to_home_duration);

        taskViewRemoveAnimDuration =

packages/SystemUI/src/com/android/systemui/recents/misc/Utilities.java

+77 −0
Original line number Diff line number Diff line
@@ -18,11 +18,14 @@ package com.android.systemui.recents.misc; 


import android.content.Intent;

import android.graphics.Color;

import android.graphics.Matrix;

import android.graphics.Rect;

import android.view.View;

import com.android.systemui.recents.RecentsConfiguration;



import java.lang.reflect.InvocationTargetException;

import java.lang.reflect.Method;

import java.util.ArrayList;



/* Common code */

public class Utilities {
@@ -68,6 +71,80 @@ public class Utilities { 
        }

    }



    /** Maps a coorindate in a descendant view into the parent. */

    public static float mapCoordInDescendentToSelf(View descendant, View root,

            float[] coord, boolean includeRootScroll) {

        ArrayList<View> ancestorChain = new ArrayList<View>();



        float[] pt = {coord[0], coord[1]};



        View v = descendant;

        while(v != root && v != null) {

            ancestorChain.add(v);

            v = (View) v.getParent();

        }

        ancestorChain.add(root);



        float scale = 1.0f;

        int count = ancestorChain.size();

        for (int i = 0; i < count; i++) {

            View v0 = ancestorChain.get(i);

            // For TextViews, scroll has a meaning which relates to the text position

            // which is very strange... ignore the scroll.

            if (v0 != descendant || includeRootScroll) {

                pt[0] -= v0.getScrollX();

                pt[1] -= v0.getScrollY();

            }



            v0.getMatrix().mapPoints(pt);

            pt[0] += v0.getLeft();

            pt[1] += v0.getTop();

            scale *= v0.getScaleX();

        }



        coord[0] = pt[0];

        coord[1] = pt[1];

        return scale;

    }



    /** Maps a coordinate in the root to a descendent. */

    public static float mapCoordInSelfToDescendent(View descendant, View root,

            float[] coord, Matrix tmpInverseMatrix) {

        ArrayList<View> ancestorChain = new ArrayList<View>();



        float[] pt = {coord[0], coord[1]};



        View v = descendant;

        while(v != root) {

            ancestorChain.add(v);

            v = (View) v.getParent();

        }

        ancestorChain.add(root);



        float scale = 1.0f;

        int count = ancestorChain.size();

        tmpInverseMatrix.set(Matrix.IDENTITY_MATRIX);

        for (int i = count - 1; i >= 0; i--) {

            View ancestor = ancestorChain.get(i);

            View next = i > 0 ? ancestorChain.get(i-1) : null;



            pt[0] += ancestor.getScrollX();

            pt[1] += ancestor.getScrollY();



            if (next != null) {

                pt[0] -= next.getLeft();

                pt[1] -= next.getTop();

                next.getMatrix().invert(tmpInverseMatrix);

                tmpInverseMatrix.mapPoints(pt);

                scale *= next.getScaleX();

            }

        }



        coord[0] = pt[0];

        coord[1] = pt[1];

        return scale;

    }



    /** Calculates the constrast between two colors, using the algorithm provided by the WCAG v2. */

    public static float computeContrastBetweenColors(int bg, int fg) {

        float bgR = Color.red(bg) / 255f;