2 files changed, 298 insertions, 0 deletions
diff --git a/packages/SystemUI/src/com/android/systemui/media/dialog/MediaOutputBaseDialog.java b/packages/SystemUI/src/com/android/systemui/media/dialog/MediaOutputBaseDialog.java
new file mode 100644
index 000000000000..781bf8d74d88
--- /dev/null
+++ b/packages/SystemUI/src/com/android/systemui/media/dialog/MediaOutputBaseDialog.java
@@ -0,0 +1,220 @@
+/*
+ * Copyright (C) 2020 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.media.dialog;
+
+import static android.view.WindowInsets.Type.navigationBars;
+import static android.view.WindowInsets.Type.statusBars;
+
+import android.content.Context;
+import android.os.Bundle;
+import android.os.Handler;
+import android.os.Looper;
+import android.text.TextUtils;
+import android.view.Gravity;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+import android.view.ViewTreeObserver;
+import android.view.Window;
+import android.view.WindowInsets;
+import android.view.WindowManager;
+import android.widget.Button;
+import android.widget.FrameLayout;
+import android.widget.ImageView;
+import android.widget.LinearLayout;
+import android.widget.TextView;
+
+import androidx.annotation.VisibleForTesting;
+import androidx.core.graphics.drawable.IconCompat;
+import androidx.recyclerview.widget.LinearLayoutManager;
+import androidx.recyclerview.widget.RecyclerView;
+
+import com.android.settingslib.R;
+import com.android.systemui.statusbar.phone.SystemUIDialog;
+
+/**
+ * Base dialog for media output UI
+ */
+public abstract class MediaOutputBaseDialog extends SystemUIDialog implements
+        MediaOutputController.Callback {
+
+    private static final String TAG = "MediaOutputDialog";
+
+    private final Handler mMainThreadHandler = new Handler(Looper.getMainLooper());
+    private final RecyclerView.LayoutManager mLayoutManager;
+
+    final Context mContext;
+    final MediaOutputController mMediaOutputController;
+
+    @VisibleForTesting
+    View mDialogView;
+    private TextView mHeaderTitle;
+    private TextView mHeaderSubtitle;
+    private ImageView mHeaderIcon;
+    private RecyclerView mDevicesRecyclerView;
+    private LinearLayout mDeviceListLayout;
+    private Button mDoneButton;
+    private Button mStopButton;
+    private View mListBottomPadding;
+    private int mListMaxHeight;
+
+    MediaOutputBaseAdapter mAdapter;
+    FrameLayout mGroupItemController;
+    View mGroupDivider;
+
+    private final ViewTreeObserver.OnGlobalLayoutListener mDeviceListLayoutListener = () -> {
+        // Set max height for list
+        if (mDeviceListLayout.getHeight() > mListMaxHeight) {
+            ViewGroup.LayoutParams params = mDeviceListLayout.getLayoutParams();
+            params.height = mListMaxHeight;
+            mDeviceListLayout.setLayoutParams(params);
+        }
+    };
+
+    public MediaOutputBaseDialog(Context context, MediaOutputController mediaOutputController) {
+        super(context, R.style.Theme_SystemUI_Dialog_MediaOutput);
+        mContext = context;
+        mMediaOutputController = mediaOutputController;
+        mLayoutManager = new LinearLayoutManager(mContext);
+        mListMaxHeight = context.getResources().getDimensionPixelSize(
+                R.dimen.media_output_dialog_list_max_height);
+    }
+
+    @Override
+    public void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+
+        mDialogView = LayoutInflater.from(mContext).inflate(R.layout.media_output_dialog, null);
+        final Window window = getWindow();
+        final WindowManager.LayoutParams lp = window.getAttributes();
+        lp.gravity = Gravity.BOTTOM;
+        // Config insets to make sure the layout is above the navigation bar
+        lp.setFitInsetsTypes(statusBars() | navigationBars());
+        lp.setFitInsetsSides(WindowInsets.Side.all());
+        lp.setFitInsetsIgnoringVisibility(true);
+        window.setAttributes(lp);
+        window.setContentView(mDialogView);
+        window.setLayout(ViewGroup.LayoutParams.MATCH_PARENT, ViewGroup.LayoutParams.WRAP_CONTENT);
+
+        mHeaderTitle = mDialogView.requireViewById(R.id.header_title);
+        mHeaderSubtitle = mDialogView.requireViewById(R.id.header_subtitle);
+        mHeaderIcon = mDialogView.requireViewById(R.id.header_icon);
+        mDevicesRecyclerView = mDialogView.requireViewById(R.id.list_result);
+        mGroupItemController = mDialogView.requireViewById(R.id.group_item_controller);
+        mGroupDivider = mDialogView.requireViewById(R.id.group_item_divider);
+        mDeviceListLayout = mDialogView.requireViewById(R.id.device_list);
+        mDoneButton = mDialogView.requireViewById(R.id.done);
+        mStopButton = mDialogView.requireViewById(R.id.stop);
+        mListBottomPadding = mDialogView.requireViewById(R.id.list_bottom_padding);
+
+        mDeviceListLayout.getViewTreeObserver().addOnGlobalLayoutListener(
+                mDeviceListLayoutListener);
+        // Init device list
+        mDevicesRecyclerView.setLayoutManager(mLayoutManager);
+        mDevicesRecyclerView.setAdapter(mAdapter);
+        // Init bottom buttons
+        mDoneButton.setOnClickListener(v -> dismiss());
+        mStopButton.setOnClickListener(v -> {
+            mMediaOutputController.releaseSession();
+            dismiss();
+        });
+    }
+
+    @Override
+    public void onStart() {
+        super.onStart();
+        mMediaOutputController.start(this);
+    }
+
+    @Override
+    public void onStop() {
+        super.onStop();
+        mMediaOutputController.stop();
+    }
+
+    @VisibleForTesting
+    void refresh() {
+        // Update header icon
+        final int iconRes = getHeaderIconRes();
+        final IconCompat iconCompat = getHeaderIcon();
+        if (iconRes != 0) {
+            mHeaderIcon.setVisibility(View.VISIBLE);
+            mHeaderIcon.setImageResource(iconRes);
+        } else if (iconCompat != null) {
+            mHeaderIcon.setVisibility(View.VISIBLE);
+            mHeaderIcon.setImageIcon(iconCompat.toIcon(mContext));
+        } else {
+            mHeaderIcon.setVisibility(View.GONE);
+        }
+        if (mHeaderIcon.getVisibility() == View.VISIBLE) {
+            final int size = getHeaderIconSize();
+            mHeaderIcon.setLayoutParams(new LinearLayout.LayoutParams(size, size));
+        }
+        // Update title and subtitle
+        mHeaderTitle.setText(getHeaderText());
+        final CharSequence subTitle = getHeaderSubtitle();
+        if (TextUtils.isEmpty(subTitle)) {
+            mHeaderSubtitle.setVisibility(View.GONE);
+            mHeaderTitle.setGravity(Gravity.START | Gravity.CENTER_VERTICAL);
+        } else {
+            mHeaderSubtitle.setVisibility(View.VISIBLE);
+            mHeaderSubtitle.setText(subTitle);
+            mHeaderTitle.setGravity(Gravity.NO_GRAVITY);
+        }
+        if (!mAdapter.isDragging()) {
+            mAdapter.notifyDataSetChanged();
+        }
+        // Add extra padding when device amount is less than 6
+        if (mMediaOutputController.getMediaDevices().size() < 6) {
+            mListBottomPadding.setVisibility(View.VISIBLE);
+        } else {
+            mListBottomPadding.setVisibility(View.GONE);
+        }
+    }
+
+    abstract int getHeaderIconRes();
+
+    abstract IconCompat getHeaderIcon();
+
+    abstract int getHeaderIconSize();
+
+    abstract CharSequence getHeaderText();
+
+    abstract CharSequence getHeaderSubtitle();
+
+    @Override
+    public void onMediaChanged() {
+        mMainThreadHandler.post(() -> refresh());
+    }
+
+    @Override
+    public void onMediaStoppedOrPaused() {
+        if (isShowing()) {
+            dismiss();
+        }
+    }
+
+    @Override
+    public void onRouteChanged() {
+        mMainThreadHandler.post(() -> refresh());
+    }
+
+    @Override
+    public void dismissDialog() {
+        dismiss();
+    }
+}
diff --git a/packages/SystemUI/src/com/android/systemui/media/dialog/MediaOutputDialog.java b/packages/SystemUI/src/com/android/systemui/media/dialog/MediaOutputDialog.java
new file mode 100644
index 000000000000..d59971dea2d7
--- /dev/null
+++ b/packages/SystemUI/src/com/android/systemui/media/dialog/MediaOutputDialog.java
@@ -0,0 +1,78 @@
+/*
+ * Copyright (C) 2020 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.media.dialog;
+
+import android.content.Context;
+import android.os.Bundle;
+import android.view.View;
+import android.view.WindowManager;
+
+import androidx.core.graphics.drawable.IconCompat;
+
+import com.android.systemui.R;
+
+import javax.inject.Singleton;
+
+/**
+ * Dialog for media output transferring.
+ */
+@Singleton
+public class MediaOutputDialog extends MediaOutputBaseDialog {
+
+    MediaOutputDialog(Context context, boolean aboveStatusbar, MediaOutputController
+            mediaOutputController) {
+        super(context, mediaOutputController);
+        mAdapter = new MediaOutputAdapter(mMediaOutputController);
+        if (!aboveStatusbar) {
+            getWindow().setType(WindowManager.LayoutParams.TYPE_APPLICATION_OVERLAY);
+        }
+        show();
+    }
+
+    @Override
+    public void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        mGroupItemController.setVisibility(View.GONE);
+        mGroupDivider.setVisibility(View.GONE);
+    }
+
+    @Override
+    int getHeaderIconRes() {
+        return 0;
+    }
+
+    @Override
+    IconCompat getHeaderIcon() {
+        return mMediaOutputController.getHeaderIcon();
+    }
+
+    @Override
+    int getHeaderIconSize() {
+        return mContext.getResources().getDimensionPixelSize(
+                R.dimen.media_output_dialog_header_album_icon_size);
+    }
+
+    @Override
+    CharSequence getHeaderText() {
+        return mMediaOutputController.getHeaderTitle();
+    }
+
+    @Override
+    CharSequence getHeaderSubtitle() {
+        return mMediaOutputController.getHeaderSubTitle();
+    }
+}