| /* |
| * 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.quickstep.views; |
| |
| import static com.android.launcher3.config.FeatureFlags.ENABLE_OVERVIEW_SHARE; |
| import static com.android.quickstep.SysUINavigationMode.removeShelfFromOverview; |
| |
| import android.content.Context; |
| import android.content.res.Configuration; |
| import android.graphics.Rect; |
| import android.util.AttributeSet; |
| import android.view.View; |
| import android.view.View.OnClickListener; |
| import android.widget.FrameLayout; |
| |
| import androidx.annotation.IntDef; |
| import androidx.annotation.Nullable; |
| |
| import com.android.launcher3.Insettable; |
| import com.android.launcher3.R; |
| import com.android.launcher3.util.MultiValueAlpha; |
| import com.android.launcher3.util.MultiValueAlpha.AlphaProperty; |
| import com.android.quickstep.SysUINavigationMode; |
| import com.android.quickstep.SysUINavigationMode.Mode; |
| import com.android.quickstep.TaskOverlayFactory.OverlayUICallbacks; |
| import com.android.quickstep.util.LayoutUtils; |
| |
| import java.lang.annotation.Retention; |
| import java.lang.annotation.RetentionPolicy; |
| |
| /** |
| * View for showing action buttons in Overview |
| */ |
| public class OverviewActionsView<T extends OverlayUICallbacks> extends FrameLayout |
| implements OnClickListener, Insettable { |
| |
| private final Rect mInsets = new Rect(); |
| |
| @IntDef(flag = true, value = { |
| HIDDEN_UNSUPPORTED_NAVIGATION, |
| HIDDEN_NON_ZERO_ROTATION, |
| HIDDEN_NO_TASKS, |
| HIDDEN_GESTURE_RUNNING, |
| HIDDEN_NO_RECENTS}) |
| @Retention(RetentionPolicy.SOURCE) |
| public @interface ActionsHiddenFlags { } |
| |
| public static final int HIDDEN_UNSUPPORTED_NAVIGATION = 1 << 0; |
| public static final int HIDDEN_NON_ZERO_ROTATION = 1 << 1; |
| public static final int HIDDEN_NO_TASKS = 1 << 2; |
| public static final int HIDDEN_GESTURE_RUNNING = 1 << 3; |
| public static final int HIDDEN_NO_RECENTS = 1 << 4; |
| |
| @IntDef(flag = true, value = { |
| DISABLED_SCROLLING, |
| DISABLED_ROTATED, |
| DISABLED_NO_THUMBNAIL}) |
| @Retention(RetentionPolicy.SOURCE) |
| public @interface ActionsDisabledFlags { } |
| |
| public static final int DISABLED_SCROLLING = 1 << 0; |
| public static final int DISABLED_ROTATED = 1 << 1; |
| public static final int DISABLED_NO_THUMBNAIL = 1 << 2; |
| |
| private static final int INDEX_CONTENT_ALPHA = 0; |
| private static final int INDEX_VISIBILITY_ALPHA = 1; |
| private static final int INDEX_FULLSCREEN_ALPHA = 2; |
| private static final int INDEX_HIDDEN_FLAGS_ALPHA = 3; |
| |
| private final MultiValueAlpha mMultiValueAlpha; |
| |
| @ActionsHiddenFlags |
| private int mHiddenFlags; |
| |
| @ActionsDisabledFlags |
| protected int mDisabledFlags; |
| |
| protected T mCallbacks; |
| |
| public OverviewActionsView(Context context) { |
| this(context, null); |
| } |
| |
| public OverviewActionsView(Context context, @Nullable AttributeSet attrs) { |
| this(context, attrs, 0); |
| } |
| |
| public OverviewActionsView(Context context, @Nullable AttributeSet attrs, int defStyleAttr) { |
| super(context, attrs, defStyleAttr, 0); |
| mMultiValueAlpha = new MultiValueAlpha(this, 4); |
| mMultiValueAlpha.setUpdateVisibility(true); |
| } |
| |
| @Override |
| protected void onFinishInflate() { |
| super.onFinishInflate(); |
| View share = findViewById(R.id.action_share); |
| share.setOnClickListener(this); |
| findViewById(R.id.action_screenshot).setOnClickListener(this); |
| if (ENABLE_OVERVIEW_SHARE.get()) { |
| share.setVisibility(VISIBLE); |
| findViewById(R.id.oav_three_button_space).setVisibility(VISIBLE); |
| } |
| } |
| |
| /** |
| * Set listener for callbacks on action button taps. |
| * |
| * @param callbacks for callbacks, or {@code null} to clear the listener. |
| */ |
| public void setCallbacks(T callbacks) { |
| mCallbacks = callbacks; |
| } |
| |
| @Override |
| public void onClick(View view) { |
| if (mCallbacks == null) { |
| return; |
| } |
| int id = view.getId(); |
| if (id == R.id.action_share) { |
| mCallbacks.onShare(); |
| } else if (id == R.id.action_screenshot) { |
| mCallbacks.onScreenshot(); |
| } |
| } |
| |
| @Override |
| protected void onAttachedToWindow() { |
| super.onAttachedToWindow(); |
| updateHiddenFlags(HIDDEN_UNSUPPORTED_NAVIGATION, !removeShelfFromOverview(getContext())); |
| } |
| |
| @Override |
| protected void onConfigurationChanged(Configuration newConfig) { |
| super.onConfigurationChanged(newConfig); |
| updateVerticalMargin(SysUINavigationMode.getMode(getContext())); |
| } |
| |
| @Override |
| public void setInsets(Rect insets) { |
| mInsets.set(insets); |
| updateVerticalMargin(SysUINavigationMode.getMode(getContext())); |
| } |
| |
| public void updateHiddenFlags(@ActionsHiddenFlags int visibilityFlags, boolean enable) { |
| if (enable) { |
| mHiddenFlags |= visibilityFlags; |
| } else { |
| mHiddenFlags &= ~visibilityFlags; |
| } |
| boolean isHidden = mHiddenFlags != 0; |
| mMultiValueAlpha.getProperty(INDEX_HIDDEN_FLAGS_ALPHA).setValue(isHidden ? 0 : 1); |
| } |
| |
| /** |
| * Updates the proper disabled flag to indicate whether OverviewActionsView should be enabled. |
| * Ignores DISABLED_ROTATED flag for determining enabled. Flag is used to enable/disable |
| * buttons individually, currently done for select button in subclass. |
| * |
| * @param disabledFlags The flag to update. |
| * @param enable Whether to enable the disable flag: True will cause view to be disabled. |
| */ |
| public void updateDisabledFlags(@ActionsDisabledFlags int disabledFlags, boolean enable) { |
| if (enable) { |
| mDisabledFlags |= disabledFlags; |
| } else { |
| mDisabledFlags &= ~disabledFlags; |
| } |
| // |
| boolean isEnabled = (mDisabledFlags & ~DISABLED_ROTATED) == 0; |
| LayoutUtils.setViewEnabled(this, isEnabled); |
| } |
| |
| public AlphaProperty getContentAlpha() { |
| return mMultiValueAlpha.getProperty(INDEX_CONTENT_ALPHA); |
| } |
| |
| public AlphaProperty getVisibilityAlpha() { |
| return mMultiValueAlpha.getProperty(INDEX_VISIBILITY_ALPHA); |
| } |
| |
| public AlphaProperty getFullscreenAlpha() { |
| return mMultiValueAlpha.getProperty(INDEX_FULLSCREEN_ALPHA); |
| } |
| |
| /** Updates vertical margins for different navigation mode or configuration changes. */ |
| public void updateVerticalMargin(Mode mode) { |
| int bottomMargin; |
| int orientation = getResources().getConfiguration().orientation; |
| if (orientation == Configuration.ORIENTATION_LANDSCAPE) { |
| bottomMargin = 0; |
| } else if (mode == Mode.THREE_BUTTONS) { |
| bottomMargin = getResources() |
| .getDimensionPixelSize(R.dimen.overview_actions_bottom_margin_three_button); |
| } else { |
| bottomMargin = getResources() |
| .getDimensionPixelSize(R.dimen.overview_actions_bottom_margin_gesture); |
| } |
| bottomMargin += mInsets.bottom; |
| LayoutParams params = (LayoutParams) getLayoutParams(); |
| params.setMargins( |
| params.leftMargin, params.topMargin, params.rightMargin, bottomMargin); |
| } |
| } |