Files
Flexera-Launcher/quickstep/src/com/android/quickstep/views/OverviewActionsView.java
T

274 lines
9.2 KiB
Java

/*
* 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 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.view.ViewGroup;
import android.widget.Button;
import android.widget.FrameLayout;
import android.widget.LinearLayout;
import androidx.annotation.IntDef;
import androidx.annotation.Nullable;
import com.android.launcher3.DeviceProfile;
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_NON_ZERO_ROTATION,
HIDDEN_NO_TASKS,
HIDDEN_NO_RECENTS,
HIDDEN_FOCUSED_SCROLL,
HIDDEN_SPLIT_SCREEN})
@Retention(RetentionPolicy.SOURCE)
public @interface ActionsHiddenFlags { }
public static final int HIDDEN_NON_ZERO_ROTATION = 1 << 0;
public static final int HIDDEN_NO_TASKS = 1 << 1;
public static final int HIDDEN_NO_RECENTS = 1 << 2;
public static final int HIDDEN_FOCUSED_SCROLL = 1 << 3;
public static final int HIDDEN_SPLIT_SCREEN = 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;
private Button mSplitButton;
@ActionsHiddenFlags
private int mHiddenFlags;
@ActionsDisabledFlags
protected int mDisabledFlags;
@Nullable
protected T mCallbacks;
@Nullable
protected DeviceProfile mDp;
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, 5);
mMultiValueAlpha.setUpdateVisibility(true);
}
@Override
protected void onFinishInflate() {
super.onFinishInflate();
findViewById(R.id.action_screenshot).setOnClickListener(this);
mSplitButton = findViewById(R.id.action_split);
mSplitButton.setOnClickListener(this);
}
/**
* 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_screenshot) {
mCallbacks.onScreenshot();
} else if (id == R.id.action_split) {
mCallbacks.onSplit();
}
}
@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()));
updateHorizontalPadding();
}
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);
}
private void updateHorizontalPadding() {
setPadding(mInsets.left, 0, mInsets.right, 0);
}
/** Updates vertical margins for different navigation mode or configuration changes. */
public void updateVerticalMargin(Mode mode) {
if (mDp == null) {
return;
}
LayoutParams actionParams = (LayoutParams) findViewById(
R.id.action_buttons).getLayoutParams();
actionParams.setMargins(
actionParams.leftMargin, getOverviewActionsTopMarginPx(mode, mDp),
actionParams.rightMargin, getOverviewActionsBottomMarginPx(mode, mDp));
}
/**
* Set the device profile for this view to draw with.
*/
public void setDp(DeviceProfile dp) {
mDp = dp;
updateVerticalMargin(SysUINavigationMode.getMode(getContext()));
LinearLayout.LayoutParams params = new LinearLayout.LayoutParams(
dp.isVerticalBarLayout() ? 0 : dp.overviewActionsButtonSpacing,
ViewGroup.LayoutParams.MATCH_PARENT);
params.weight = dp.isVerticalBarLayout() ? 1 : 0;
findViewById(R.id.action_split_space).setLayoutParams(params);
requestLayout();
mSplitButton.setCompoundDrawablesWithIntrinsicBounds(
(dp.isLandscape ? R.drawable.ic_split_horizontal : R.drawable.ic_split_vertical),
0, 0, 0);
}
public void setSplitButtonVisible(boolean visible) {
if (mSplitButton == null) {
return;
}
mSplitButton.setVisibility(visible ? VISIBLE : GONE);
findViewById(R.id.action_split_space).setVisibility(visible ? VISIBLE : GONE);
}
/** Get the top margin associated with the action buttons in Overview. */
public static int getOverviewActionsTopMarginPx(
SysUINavigationMode.Mode mode, DeviceProfile dp) {
// In vertical bar, use the smaller task margin for the top regardless of mode
if (dp.isVerticalBarLayout()) {
return dp.overviewTaskMarginPx;
}
if (mode == SysUINavigationMode.Mode.THREE_BUTTONS) {
return dp.overviewActionsMarginThreeButtonPx;
}
return dp.overviewActionsTopMarginGesturePx;
}
/** Get the bottom margin associated with the action buttons in Overview. */
public static int getOverviewActionsBottomMarginPx(
SysUINavigationMode.Mode mode, DeviceProfile dp) {
int inset = dp.getInsets().bottom;
if (dp.isVerticalBarLayout()) {
return inset;
}
if (mode == SysUINavigationMode.Mode.THREE_BUTTONS) {
return dp.overviewActionsMarginThreeButtonPx + inset;
}
return dp.overviewActionsBottomMarginGesturePx + inset;
}
}