Add OverviewScreenshotActions plugin interface and use it in TaskView.

Bug: 139828243
Change-Id: Idbefc11ef32619dd5eaaa5552088859eb2304e1e

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

@@ -39,23 +39,27 @@ import android.util.AttributeSet;
 import android.util.FloatProperty;
 import android.util.Property;
 import android.view.View;
+import android.view.ViewGroup;
 
 import com.android.launcher3.BaseActivity;
 import com.android.launcher3.DeviceProfile;
 import com.android.launcher3.R;
 import com.android.launcher3.Utilities;
+import com.android.launcher3.uioverrides.plugins.PluginManagerWrapper;
 import com.android.launcher3.util.SystemUiController;
 import com.android.launcher3.util.Themes;
 import com.android.quickstep.TaskOverlayFactory;
 import com.android.quickstep.TaskOverlayFactory.TaskOverlay;
 import com.android.quickstep.util.TaskCornerRadius;
+import com.android.systemui.plugins.OverviewScreenshotActions;
+import com.android.systemui.plugins.PluginListener;
 import com.android.systemui.shared.recents.model.Task;
 import com.android.systemui.shared.recents.model.ThumbnailData;
 
 /**
  * A task in the Recents view.
  */
-public class TaskThumbnailView extends View {
+public class TaskThumbnailView extends View implements PluginListener<OverviewScreenshotActions> {
 
     private final static ColorMatrix COLOR_MATRIX = new ColorMatrix();
     private final static ColorMatrix SATURATION_COLOR_MATRIX = new ColorMatrix();
@@ -99,6 +103,7 @@ public class TaskThumbnailView extends View {
 
     private boolean mOverlayEnabled;
     private boolean mRotated;
+    private OverviewScreenshotActions mOverviewScreenshotActionsPlugin;
 
     public TaskThumbnailView(Context context) {
         this(context, null);
@@ -146,6 +151,10 @@ public class TaskThumbnailView extends View {
             mPaint.setShader(null);
             mOverlay.reset();
         }
+        if (mOverviewScreenshotActionsPlugin != null) {
+            mOverviewScreenshotActionsPlugin
+                .setupActions((ViewGroup) getTaskView(), getThumbnail(), mActivity);
+        }
         updateThumbnailPaintFilter();
     }
 
@@ -210,6 +219,33 @@ public class TaskThumbnailView extends View {
         canvas.restore();
     }
 
+    @Override
+    public void onPluginConnected(OverviewScreenshotActions overviewScreenshotActions,
+            Context context) {
+        mOverviewScreenshotActionsPlugin = overviewScreenshotActions;
+        mOverviewScreenshotActionsPlugin.setupActions(getTaskView(), getThumbnail(), mActivity);
+    }
+
+    @Override
+    public void onPluginDisconnected(OverviewScreenshotActions plugin) {
+        if (mOverviewScreenshotActionsPlugin != null) {
+            mOverviewScreenshotActionsPlugin = null;
+        }
+    }
+
+    @Override
+    protected void onAttachedToWindow() {
+        super.onAttachedToWindow();
+        PluginManagerWrapper.INSTANCE.get(getContext())
+            .addPluginListener(this, OverviewScreenshotActions.class);
+    }
+
+    @Override
+    protected void onDetachedFromWindow() {
+        super.onDetachedFromWindow();
+        PluginManagerWrapper.INSTANCE.get(getContext()).removePluginListener(this);
+    }
+
     public RectF getInsetsToDrawInFullscreen(boolean isMultiWindowMode) {
         // Don't show insets in multi window mode.
         return isMultiWindowMode ? EMPTY_RECT_F : mClippedInsets;

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

@@ -0,0 +1,41 @@
+/*
+ * 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.graphics.Bitmap;
+import android.view.ViewGroup;
+
+import com.android.systemui.plugins.annotations.ProvidesInterface;
+
+/**
+ * Implement this interface to add action buttons for overview screenshots, e.g. share, edit etc.
+ */
+@ProvidesInterface(
+        action = OverviewScreenshotActions.ACTION, version = OverviewScreenshotActions.VERSION)
+public interface OverviewScreenshotActions extends Plugin {
+    String ACTION = "com.android.systemui.action.PLUGIN_OVERVIEW_SCREENSHOT_ACTIONS";
+    int VERSION = 1;
+
+    /**
+     * Setup the actions for the screenshot, including edit, save, etc.
+     * @param parent The parent view to add buttons on.
+     * @param screenshot The screenshot we will do actions on.
+     * @param activity THe host activity.
+     */
+    void setupActions(ViewGroup parent, Bitmap screenshot, Activity activity);
+}