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Commit 8e02d17f authored by Sreyas's avatar Sreyas Committed by Sreyas Rangaraju
Browse files

Create hooks for Recents Card plugin. 

This adds another card in the Recents Overview space which can show various items.

Change-Id: Ifc36639ece8aa6b554bdbd3256f4195b1b220d68
Merged-In: Ifc36639ece8aa6b554bdbd3256f4195b1b220d68
parent f2d486e5

quickstep/recents_ui_overrides/src/com/android/quickstep/views/LauncherRecentsView.java

+85 −0
Original line number Diff line number Diff line
@@ -35,6 +35,7 @@ import android.os.Build; 
import android.util.AttributeSet;

import android.view.MotionEvent;

import android.view.View;

import android.widget.FrameLayout;



import com.android.launcher3.DeviceProfile;

import com.android.launcher3.Hotseat;
@@ -45,11 +46,14 @@ import com.android.launcher3.R; 
import com.android.launcher3.anim.Interpolators;

import com.android.launcher3.appprediction.PredictionUiStateManager;

import com.android.launcher3.appprediction.PredictionUiStateManager.Client;

import com.android.launcher3.uioverrides.plugins.PluginManagerWrapper;

import com.android.launcher3.views.ScrimView;

import com.android.quickstep.SysUINavigationMode;

import com.android.quickstep.util.ClipAnimationHelper;

import com.android.quickstep.util.ClipAnimationHelper.TransformParams;

import com.android.quickstep.util.LayoutUtils;

import com.android.systemui.plugins.PluginListener;

import com.android.systemui.plugins.RecentsExtraCard;



/**

 * {@link RecentsView} used in Launcher activity
@@ -61,6 +65,25 @@ public class LauncherRecentsView extends RecentsView<Launcher> implements StateL 


    private final TransformParams mTransformParams = new TransformParams();



    private RecentsExtraCard mRecentsExtraCardPlugin;

    private RecentsExtraViewContainer mRecentsExtraViewContainer;

    private PluginListener<RecentsExtraCard> mRecentsExtraCardPluginListener =

            new PluginListener<RecentsExtraCard>() {

        @Override

        public void onPluginConnected(RecentsExtraCard recentsExtraCard, Context context) {

            createRecentsExtraCard();

            mRecentsExtraCardPlugin = recentsExtraCard;

            mRecentsExtraCardPlugin.setupView(context, mRecentsExtraViewContainer, mActivity);

        }



        @Override

        public void onPluginDisconnected(RecentsExtraCard plugin) {

            removeView(mRecentsExtraViewContainer);

            mRecentsExtraCardPlugin = null;

            mRecentsExtraViewContainer = null;

        }

    };



    public LauncherRecentsView(Context context) {

        this(context, null);

    }
@@ -285,4 +308,66 @@ public class LauncherRecentsView extends RecentsView<Launcher> implements StateL 
        }

        return super.shouldStealTouchFromSiblingsBelow(ev);

    }



    @Override

    protected void onAttachedToWindow() {

        super.onAttachedToWindow();

        PluginManagerWrapper.INSTANCE.get(getContext())

                .addPluginListener(mRecentsExtraCardPluginListener, RecentsExtraCard.class);

    }



    @Override

    protected void onDetachedFromWindow() {

        super.onDetachedFromWindow();

        PluginManagerWrapper.INSTANCE.get(getContext()).removePluginListener(

                mRecentsExtraCardPluginListener);

    }



    @Override

    protected int computeMinScrollX() {

        if (canComputeScrollX() && !mIsRtl) {

            return computeScrollX();

        }

        return super.computeMinScrollX();

    }



    @Override

    protected int computeMaxScrollX() {

        if (canComputeScrollX() && mIsRtl) {

            return computeScrollX();

        }

        return super.computeMaxScrollX();

    }



    private boolean canComputeScrollX() {

        return mRecentsExtraCardPlugin != null && getTaskViewCount() > 0

                && !mDisallowScrollToClearAll;

    }



    private int computeScrollX() {

        int scrollIndex = getTaskViewStartIndex() - 1;

        while (scrollIndex >= 0 && getChildAt(scrollIndex) instanceof RecentsExtraViewContainer

                && ((RecentsExtraViewContainer) getChildAt(scrollIndex)).isScrollable()) {

            scrollIndex--;

        }

        return getScrollForPage(scrollIndex + 1);

    }



    private void createRecentsExtraCard() {

        mRecentsExtraViewContainer = new RecentsExtraViewContainer(getContext());

        FrameLayout.LayoutParams helpCardParams =

                new FrameLayout.LayoutParams(FrameLayout.LayoutParams.MATCH_PARENT,

                        FrameLayout.LayoutParams.MATCH_PARENT);

        mRecentsExtraViewContainer.setLayoutParams(helpCardParams);

        mRecentsExtraViewContainer.setScrollable(true);

        addView(mRecentsExtraViewContainer, 0);

    }



    @Override

    public void resetTaskVisuals() {

        super.resetTaskVisuals();

        if (mRecentsExtraViewContainer != null) {

            mRecentsExtraViewContainer.setAlpha(mContentAlpha);

        }

    }

}

quickstep/recents_ui_overrides/src/com/android/quickstep/views/RecentsExtraViewContainer.java

0 → 100644
+54 −0
Original line number Diff line number Diff line 
/*

 * Copyright (C) 2019 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.quickstep.views;



import android.content.Context;

import android.util.AttributeSet;

import android.widget.FrameLayout;



/**

 * Empty view to house recents overview extra card

 */

public class RecentsExtraViewContainer extends FrameLayout implements RecentsView.PageCallbacks {



    private boolean mScrollable = false;



    public RecentsExtraViewContainer(Context context) {

        super(context);

    }



    public RecentsExtraViewContainer(Context context, AttributeSet attrs) {

        super(context, attrs);

    }



    public RecentsExtraViewContainer(Context context, AttributeSet attrs, int defStyleAttr) {

        super(context, attrs, defStyleAttr);

    }



    /**

     * Determine whether the view should be scrolled to in the recents overview, similar to the

     * taskviews.

     * @return true if viewed should be scrolled to, false if not

     */

    public boolean isScrollable() {

        return mScrollable;

    }



    public void setScrollable(boolean scrollable) {

        this.mScrollable = scrollable;

    }

}

quickstep/recents_ui_overrides/src/com/android/quickstep/views/RecentsView.java

+24 −2
Original line number Diff line number Diff line
@@ -17,6 +17,7 @@ 
package com.android.quickstep.views;



import static androidx.dynamicanimation.animation.DynamicAnimation.MIN_VISIBLE_CHANGE_PIXELS;



import static com.android.launcher3.BaseActivity.STATE_HANDLER_INVISIBILITY_FLAGS;

import static com.android.launcher3.InvariantDeviceProfile.CHANGE_FLAG_ICON_PARAMS;

import static com.android.launcher3.LauncherAnimUtils.SCALE_PROPERTY;
@@ -186,7 +187,7 @@ public abstract class RecentsView<T extends BaseActivity> extends PagedView impl 
    private final ViewPool<TaskView> mTaskViewPool;



    private boolean mDwbToastShown;

    private boolean mDisallowScrollToClearAll;

    protected boolean mDisallowScrollToClearAll;

    private boolean mOverlayEnabled;

    private boolean mFreezeViewVisibility;
@@ -288,7 +289,7 @@ public abstract class RecentsView<T extends BaseActivity> extends PagedView impl 
    private LayoutTransition mLayoutTransition;



    @ViewDebug.ExportedProperty(category = "launcher")

    private float mContentAlpha = 1;

    protected float mContentAlpha = 1;

    @ViewDebug.ExportedProperty(category = "launcher")

    protected float mFullscreenProgress = 0;
@@ -1821,4 +1822,25 @@ public abstract class RecentsView<T extends BaseActivity> extends PagedView impl 
        final WindowInsets insets = getRootWindowInsets();

        return Math.max(insets.getSystemGestureInsets().right, insets.getSystemWindowInsetRight());

    }



    @Override

    public void addView(View child, int index) {

        super.addView(child, index);

        if (isExtraCardView(child, index)) {

            mTaskViewStartIndex++;

        }

    }



    @Override

    public void removeView(View view) {

        if (isExtraCardView(view, indexOfChild(view))) {

            mTaskViewStartIndex--;

        }

        super.removeView(view);

    }



    private boolean isExtraCardView(View view, int index) {

        return !(view instanceof TaskView) && !(view instanceof ClearAllButton)

                && index <= mTaskViewStartIndex;

    }

}

src_plugins/com/android/systemui/plugins/RecentsExtraCard.java

0 → 100644
+42 −0
Original line number Diff line number Diff line 
/*

 * Copyright (C) 2019 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.plugins;



import android.app.Activity;

import android.content.Context;

import android.widget.FrameLayout;



import com.android.systemui.plugins.annotations.ProvidesInterface;



/**

 * Implement this interface to allow extra card on recents overview.

 */

@ProvidesInterface(action = RecentsExtraCard.ACTION, version = RecentsExtraCard.VERSION)

public interface RecentsExtraCard extends Plugin {



    String ACTION = "com.android.systemui.action.PLUGIN_RECENTS_EXTRA_CARD";

    int VERSION = 1;



    /**

     * Sets up the recents overview extra card and fills in data.

     *

     * @param context Plugin context

     * @param frameLayout PlaceholderView

     * @param activity Recents activity to hold extra view

     */

    void setupView(Context context, FrameLayout frameLayout, Activity activity);

}