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Commit d59073ab authored by TreeHugger Robot's avatar TreeHugger Robot Committed by Android (Google) Code Review
Browse files

Merge "Add hooks for custom global actions handling without a status bar."

parents f335c50f 2decbf7a

core/java/com/android/internal/globalactions/Action.java

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/*

 * Copyright (C) 2018 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.internal.globalactions;



import android.content.Context;

import android.view.LayoutInflater;

import android.view.View;

import android.view.ViewGroup;



/** What each item in the global actions dialog must be able to support. */

public interface Action {

    /** @return Text that will be announced when dialog is created. {@code null} for none. */

    CharSequence getLabelForAccessibility(Context context);



    /** Create the view that represents this action. */

    View create(Context context, View convertView, ViewGroup parent, LayoutInflater inflater);



    /** Called when the action is selected by the user. */

    void onPress();



    /** @return whether this action should appear in the dialog when the keygaurd is showing. */

    boolean showDuringKeyguard();



    /** @return whether this action should appear in the dialog before the device is provisioned. */

    boolean showBeforeProvisioning();



    /** @return {@code true} if the action is enabled for user interaction. */

    boolean isEnabled();

}

core/java/com/android/internal/globalactions/ActionsAdapter.java

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/*

 * Copyright (C) 2018 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.internal.globalactions;



import android.content.Context;

import android.view.LayoutInflater;

import android.view.View;

import android.view.ViewGroup;

import android.widget.BaseAdapter;

import java.util.function.BooleanSupplier;

import java.util.List;



/**

 * The adapter used for the list within the global actions dialog, taking into account whether the

 * keyguard is showing via {@link LegacyGlobalActions#mKeyguardShowing} and whether the device is

 * provisioned via {@link LegacyGlobalActions#mDeviceProvisioned}.

 */

public class ActionsAdapter extends BaseAdapter {

    private final Context mContext;

    private final List<Action> mItems;

    private final BooleanSupplier mDeviceProvisioned;

    private final BooleanSupplier mKeyguardShowing;



    public ActionsAdapter(Context context, List<Action> items,

            BooleanSupplier deviceProvisioned, BooleanSupplier keyguardShowing) {

        mContext = context;

        mItems = items;

        mDeviceProvisioned = deviceProvisioned;

        mKeyguardShowing = keyguardShowing;

    }



    @Override

    public int getCount() {

        final boolean keyguardShowing = mKeyguardShowing.getAsBoolean();

        final boolean deviceProvisioned = mDeviceProvisioned.getAsBoolean();

        int count = 0;



        for (int i = 0; i < mItems.size(); i++) {

            final Action action = mItems.get(i);



            if (keyguardShowing && !action.showDuringKeyguard()) {

                continue;

            }

            if (!deviceProvisioned && !action.showBeforeProvisioning()) {

                continue;

            }

            count++;

        }

        return count;

    }



    @Override

    public boolean isEnabled(int position) {

        return getItem(position).isEnabled();

    }



    @Override

    public boolean areAllItemsEnabled() {

        return false;

    }



    @Override

    public Action getItem(int position) {

        final boolean keyguardShowing = mKeyguardShowing.getAsBoolean();

        final boolean deviceProvisioned = mDeviceProvisioned.getAsBoolean();



        int filteredPos = 0;

        for (int i = 0; i < mItems.size(); i++) {

            final Action action = mItems.get(i);

            if (keyguardShowing && !action.showDuringKeyguard()) {

                continue;

            }

            if (!deviceProvisioned && !action.showBeforeProvisioning()) {

                continue;

            }

            if (filteredPos == position) {

                return action;

            }

            filteredPos++;

        }



        throw new IllegalArgumentException("position " + position

                + " out of range of showable actions"

                + ", filtered count=" + getCount()

                + ", keyguardshowing=" + keyguardShowing

                + ", provisioned=" + deviceProvisioned);

    }



    @Override

    public long getItemId(int position) {

        return position;

    }



    @Override

    public View getView(int position, View convertView, ViewGroup parent) {

        Action action = getItem(position);

        return action.create(mContext, convertView, parent, LayoutInflater.from(mContext));

    }

}

core/java/com/android/internal/globalactions/ActionsDialog.java

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/*

 * Copyright (C) 2018 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.internal.globalactions;



import android.app.Dialog;

import android.content.Context;

import android.content.DialogInterface;

import android.os.Bundle;

import android.util.TypedValue;

import android.view.accessibility.AccessibilityEvent;

import android.view.KeyEvent;

import android.widget.ListView;

import com.android.internal.app.AlertController;



/** A dialog that lists the given Action items to be user selectable. */

public final class ActionsDialog extends Dialog implements DialogInterface {

    private final Context mContext;

    private final AlertController mAlert;

    private final ActionsAdapter mAdapter;



    public ActionsDialog(Context context, AlertController.AlertParams params) {

        super(context, getDialogTheme(context));

        mContext = getContext();

        mAlert = AlertController.create(mContext, this, getWindow());

        mAdapter = (ActionsAdapter) params.mAdapter;

        params.apply(mAlert);

    }



    private static int getDialogTheme(Context context) {

        TypedValue outValue = new TypedValue();

        context.getTheme().resolveAttribute(com.android.internal.R.attr.alertDialogTheme,

                outValue, true);

        return outValue.resourceId;

    }



    @Override

    protected void onStart() {

        super.setCanceledOnTouchOutside(true);

        super.onStart();

    }



    public ListView getListView() {

        return mAlert.getListView();

    }



    @Override

    protected void onCreate(Bundle savedInstanceState) {

        super.onCreate(savedInstanceState);

        mAlert.installContent();

    }



    @Override

    public boolean dispatchPopulateAccessibilityEvent(AccessibilityEvent event) {

        if (event.getEventType() == AccessibilityEvent.TYPE_WINDOW_STATE_CHANGED) {

            for (int i = 0; i < mAdapter.getCount(); ++i) {

                CharSequence label =

                        mAdapter.getItem(i).getLabelForAccessibility(getContext());

                if (label != null) {

                    event.getText().add(label);

                }

            }

        }

        return super.dispatchPopulateAccessibilityEvent(event);

    }



    @Override

    public boolean onKeyDown(int keyCode, KeyEvent event) {

        if (mAlert.onKeyDown(keyCode, event)) {

            return true;

        }

        return super.onKeyDown(keyCode, event);

    }



    @Override

    public boolean onKeyUp(int keyCode, KeyEvent event) {

        if (mAlert.onKeyUp(keyCode, event)) {

            return true;

        }

        return super.onKeyUp(keyCode, event);

    }

}

core/java/com/android/internal/globalactions/LongPressAction.java

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/*

 * Copyright (C) 2018 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.internal.globalactions;



/** An action that also supports long press. */

public interface LongPressAction extends Action {

    boolean onLongPress();

}

core/java/com/android/internal/globalactions/SinglePressAction.java

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/*

 * Copyright (C) 2018 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.internal.globalactions;



import android.content.Context;

import android.graphics.drawable.Drawable;

import android.text.TextUtils;

import android.view.LayoutInflater;

import android.view.View;

import android.view.ViewGroup;

import android.widget.ImageView;

import android.widget.TextView;

import com.android.internal.R;



/** A single press action maintains no state, just responds to a press and takes an action. */

public abstract class SinglePressAction implements Action {

    private final int mIconResId;

    private final Drawable mIcon;

    private final int mMessageResId;

    private final CharSequence mMessage;



    protected SinglePressAction(int iconResId, int messageResId) {

        mIconResId = iconResId;

        mMessageResId = messageResId;

        mMessage = null;

        mIcon = null;

    }



    protected SinglePressAction(int iconResId, Drawable icon, CharSequence message) {

        mIconResId = iconResId;

        mMessageResId = 0;

        mMessage = message;

        mIcon = icon;

    }



    @Override

    public boolean isEnabled() {

        return true;

    }



    public String getStatus() {

        return null;

    }



    @Override

    abstract public void onPress();



    @Override

    public CharSequence getLabelForAccessibility(Context context) {

        if (mMessage != null) {

            return mMessage;

        } else {

            return context.getString(mMessageResId);

        }

    }



    @Override

    public View create(

            Context context, View convertView, ViewGroup parent, LayoutInflater inflater) {

        View v = inflater.inflate(R.layout.global_actions_item, parent, false);



        ImageView icon = v.findViewById(R.id.icon);

        TextView messageView = v.findViewById(R.id.message);



        TextView statusView = v.findViewById(R.id.status);

        final String status = getStatus();

        if (!TextUtils.isEmpty(status)) {

            statusView.setText(status);

        } else {

            statusView.setVisibility(View.GONE);

        }

        if (mIcon != null) {

            icon.setImageDrawable(mIcon);

            icon.setScaleType(ImageView.ScaleType.CENTER_CROP);

        } else if (mIconResId != 0) {

            icon.setImageDrawable(context.getDrawable(mIconResId));

        }

        if (mMessage != null) {

            messageView.setText(mMessage);

        } else {

            messageView.setText(mMessageResId);

        }



        return v;

    }

}