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/*
* Copyright (C) 2011 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.launcher3;
import android.content.Context;
import android.graphics.Rect;
import android.util.AttributeSet;
import android.view.Gravity;
import android.view.LayoutInflater;
import android.view.MotionEvent;
import android.view.View;
import android.view.ViewDebug;
import android.view.ViewGroup;
import android.widget.FrameLayout;
/**
* View class that represents the bottom row of the home screen.
*/
public class Hotseat extends CellLayout implements Insettable {
// Ratio of empty space, qsb should take up to appear visually centered.
public static final float QSB_CENTER_FACTOR = .325f;
@ViewDebug.ExportedProperty(category = "launcher")
private boolean mHasVerticalHotseat;
private Workspace<?> mWorkspace;
private boolean mSendTouchToWorkspace;
private final View mQsb;
public Hotseat(Context context) {
this(context, null);
}
public Hotseat(Context context, AttributeSet attrs) {
this(context, attrs, 0);
}
public Hotseat(Context context, AttributeSet attrs, int defStyle) {
super(context, attrs, defStyle);
mQsb = LayoutInflater.from(context).inflate(R.layout.search_container_hotseat, this, false);
addView(mQsb);
}
/**
* Returns orientation specific cell X given invariant order in the hotseat
*/
public int getCellXFromOrder(int rank) {
return mHasVerticalHotseat ? 0 : rank;
}
/**
* Returns orientation specific cell Y given invariant order in the hotseat
*/
public int getCellYFromOrder(int rank) {
return mHasVerticalHotseat ? (getCountY() - (rank + 1)) : 0;
}
public void resetLayout(boolean hasVerticalHotseat) {
removeAllViewsInLayout();
mHasVerticalHotseat = hasVerticalHotseat;
DeviceProfile dp = mActivity.getDeviceProfile();
resetCellSize(dp);
if (hasVerticalHotseat) {
setGridSize(1, dp.numShownHotseatIcons);
} else {
setGridSize(dp.numShownHotseatIcons, 1);
}
}
@Override
public void setInsets(Rect insets) {
FrameLayout.LayoutParams lp = (FrameLayout.LayoutParams) getLayoutParams();
DeviceProfile grid = mActivity.getDeviceProfile();
if (grid.isVerticalBarLayout()) {
mQsb.setVisibility(View.GONE);
lp.height = ViewGroup.LayoutParams.MATCH_PARENT;
if (grid.isSeascape()) {
lp.gravity = Gravity.LEFT;
lp.width = grid.hotseatBarSizePx + insets.left;
} else {
lp.gravity = Gravity.RIGHT;
lp.width = grid.hotseatBarSizePx + insets.right;
}
} else {
mQsb.setVisibility(View.VISIBLE);
lp.gravity = Gravity.BOTTOM;
lp.width = ViewGroup.LayoutParams.MATCH_PARENT;
lp.height = grid.hotseatBarSizePx;
}
Rect padding = grid.getHotseatLayoutPadding(getContext());
setPadding(padding.left, padding.top, padding.right, padding.bottom);
setLayoutParams(lp);
InsettableFrameLayout.dispatchInsets(this, insets);
}
public void setWorkspace(Workspace<?> w) {
mWorkspace = w;
}
@Override
public boolean onInterceptTouchEvent(MotionEvent ev) {
// We allow horizontal workspace scrolling from within the Hotseat. We do this by delegating
// touch intercept the Workspace, and if it intercepts, delegating touch to the Workspace
// for the remainder of the this input stream.
int yThreshold = getMeasuredHeight() - getPaddingBottom();
if (mWorkspace != null && ev.getY() <= yThreshold) {
mSendTouchToWorkspace = mWorkspace.onInterceptTouchEvent(ev);
return mSendTouchToWorkspace;
}
return false;
}
@Override
public boolean onTouchEvent(MotionEvent event) {
// See comment in #onInterceptTouchEvent
if (mSendTouchToWorkspace) {
final int action = event.getAction();
switch (action & MotionEvent.ACTION_MASK) {
case MotionEvent.ACTION_UP:
case MotionEvent.ACTION_CANCEL:
mSendTouchToWorkspace = false;
}
return mWorkspace.onTouchEvent(event);
}
// Always let touch follow through to Workspace.
return false;
}
@Override
protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
super.onMeasure(widthMeasureSpec, heightMeasureSpec);
DeviceProfile dp = mActivity.getDeviceProfile();
mQsb.measure(MeasureSpec.makeMeasureSpec(dp.hotseatQsbWidth, MeasureSpec.EXACTLY),
MeasureSpec.makeMeasureSpec(dp.hotseatQsbHeight, MeasureSpec.EXACTLY));
}
@Override
protected void onLayout(boolean changed, int l, int t, int r, int b) {
super.onLayout(changed, l, t, r, b);
int qsbMeasuredWidth = mQsb.getMeasuredWidth();
int left;
DeviceProfile dp = mActivity.getDeviceProfile();
if (dp.isQsbInline) {
int qsbSpace = dp.hotseatBorderSpace;
left = Utilities.isRtl(getResources()) ? r - getPaddingRight() + qsbSpace
: l + getPaddingLeft() - qsbMeasuredWidth - qsbSpace;
} else {
left = (r - l - qsbMeasuredWidth) / 2;
}
int right = left + qsbMeasuredWidth;
int bottom = b - t - dp.getQsbOffsetY();
int top = bottom - dp.hotseatQsbHeight;
mQsb.layout(left, top, right, bottom);
}
/**
* Sets the alpha value of just our ShortcutAndWidgetContainer.
*/
public void setIconsAlpha(float alpha) {
getShortcutsAndWidgets().setAlpha(alpha);
}
/**
* Sets the alpha value of just our QSB.
*/
public void setQsbAlpha(float alpha) {
mQsb.setAlpha(alpha);
}
public float getIconsAlpha() {
return getShortcutsAndWidgets().getAlpha();
}
/**
* Returns the QSB inside hotseat
*/
public View getQsb() {
return mQsb;
}
}