protected internal override bool onLevelChange(int level)
{
android.graphics.drawable.LayerDrawable.ChildDrawable[] array = mLayerState.mChildren;
int N = mLayerState.mNum;
bool paddingChanged = false;
bool changed = false;
{
for (int i = 0; i < N; i++)
{
android.graphics.drawable.LayerDrawable.ChildDrawable r = array[i];
if (r.mDrawable.setLevel(level))
{
changed = true;
}
if (reapplyPadding(i, r))
{
paddingChanged = true;
}
}
}
if (paddingChanged)
{
onBoundsChange(getBounds());
}
return(changed);
}
/// <summary>Add a new layer to this drawable.</summary>
/// <remarks>Add a new layer to this drawable. The new layer is identified by an id.</remarks>
/// <param name="layer">The drawable to add as a layer.</param>
/// <param name="id">The id of the new layer.</param>
/// <param name="left">The left padding of the new layer.</param>
/// <param name="top">The top padding of the new layer.</param>
/// <param name="right">The right padding of the new layer.</param>
/// <param name="bottom">The bottom padding of the new layer.</param>
private void addLayer(android.graphics.drawable.Drawable layer, int id, int left,
int top, int right, int bottom)
{
android.graphics.drawable.LayerDrawable.LayerState st = mLayerState;
int N = st.mChildren != null ? st.mChildren.Length : 0;
int i = st.mNum;
if (i >= N)
{
android.graphics.drawable.LayerDrawable.ChildDrawable[] nu = new android.graphics.drawable.LayerDrawable
.ChildDrawable[N + 10];
if (i > 0)
{
System.Array.Copy(st.mChildren, 0, nu, 0, i);
}
st.mChildren = nu;
}
mLayerState.mChildrenChangingConfigurations |= layer.getChangingConfigurations();
android.graphics.drawable.LayerDrawable.ChildDrawable childDrawable = new android.graphics.drawable.LayerDrawable
.ChildDrawable();
st.mChildren[i] = childDrawable;
childDrawable.mId = id;
childDrawable.mDrawable = layer;
childDrawable.mInsetL = left;
childDrawable.mInsetT = top;
childDrawable.mInsetR = right;
childDrawable.mInsetB = bottom;
st.mNum++;
layer.setCallback(this);
}
/// <summary>Specify modifiers to the bounds for the drawable[index].</summary>
/// <remarks>
/// Specify modifiers to the bounds for the drawable[index].
/// left += l
/// top += t;
/// right -= r;
/// bottom -= b;
/// </remarks>
public virtual void setLayerInset(int index, int l, int t, int r, int b)
{
android.graphics.drawable.LayerDrawable.ChildDrawable childDrawable = mLayerState
.mChildren[index];
childDrawable.mInsetL = l;
childDrawable.mInsetT = t;
childDrawable.mInsetR = r;
childDrawable.mInsetB = b;
}
internal bool reapplyPadding(int i, android.graphics.drawable.LayerDrawable.ChildDrawable
r)
{
android.graphics.Rect rect = mTmpRect;
r.mDrawable.getPadding(rect);
if (rect.left != mPaddingL[i] || rect.top != mPaddingT[i] || rect.right != mPaddingR
[i] || rect.bottom != mPaddingB[i])
{
mPaddingL[i] = rect.left;
mPaddingT[i] = rect.top;
mPaddingR[i] = rect.right;
mPaddingB[i] = rect.bottom;
return(true);
}
return(false);
}
internal LayerState(android.graphics.drawable.LayerDrawable.LayerState orig, android.graphics.drawable.LayerDrawable
owner, android.content.res.Resources res)
{
if (orig != null)
{
android.graphics.drawable.LayerDrawable.ChildDrawable[] origChildDrawable = orig.
mChildren;
int N = orig.mNum;
mNum = N;
mChildren = new android.graphics.drawable.LayerDrawable.ChildDrawable[N];
mChangingConfigurations = orig.mChangingConfigurations;
mChildrenChangingConfigurations = orig.mChildrenChangingConfigurations;
{
for (int i = 0; i < N; i++)
{
android.graphics.drawable.LayerDrawable.ChildDrawable r = mChildren[i] = new android.graphics.drawable.LayerDrawable
.ChildDrawable();
android.graphics.drawable.LayerDrawable.ChildDrawable or = origChildDrawable[i];
if (res != null)
{
r.mDrawable = or.mDrawable.getConstantState().newDrawable(res);
}
else
{
r.mDrawable = or.mDrawable.getConstantState().newDrawable();
}
r.mDrawable.setCallback(owner);
r.mInsetL = or.mInsetL;
r.mInsetT = or.mInsetT;
r.mInsetR = or.mInsetR;
r.mInsetB = or.mInsetB;
r.mId = or.mId;
}
}
mHaveOpacity = orig.mHaveOpacity;
mOpacity = orig.mOpacity;
mHaveStateful = orig.mHaveStateful;
mStateful = orig.mStateful;
mCheckedConstantState = mCanConstantState = true;
}
else
{
mNum = 0;
mChildren = null;
}
}
/// <summary>
/// Create a new layer drawable with the specified list of layers and the specified
/// constant state.
/// </summary>
/// <remarks>
/// Create a new layer drawable with the specified list of layers and the specified
/// constant state.
/// </remarks>
/// <param name="layers">The list of layers to add to this drawable.</param>
/// <param name="state">The constant drawable state.</param>
internal LayerDrawable(android.graphics.drawable.Drawable[] layers, android.graphics.drawable.LayerDrawable
.LayerState state) : this(state, null)
{
int length = layers.Length;
android.graphics.drawable.LayerDrawable.ChildDrawable[] r = new android.graphics.drawable.LayerDrawable
.ChildDrawable[length];
{
for (int i = 0; i < length; i++)
{
r[i] = new android.graphics.drawable.LayerDrawable.ChildDrawable();
r[i].mDrawable = layers[i];
layers[i].setCallback(this);
mLayerState.mChildrenChangingConfigurations |= layers[i].getChangingConfigurations
();
}
}
mLayerState.mNum = length;
mLayerState.mChildren = r;
ensurePadding();
}
/// <summary>
/// Create a new layer drawable with the specified list of layers and the specified
/// constant state.
/// </summary>
/// <remarks>
/// Create a new layer drawable with the specified list of layers and the specified
/// constant state.
/// </remarks>
/// <param name="layers">The list of layers to add to this drawable.</param>
/// <param name="state">The constant drawable state.</param>
internal LayerDrawable(android.graphics.drawable.Drawable[] layers, android.graphics.drawable.LayerDrawable
.LayerState state) : this(state, null)
{
int length = layers.Length;
android.graphics.drawable.LayerDrawable.ChildDrawable[] r = new android.graphics.drawable.LayerDrawable
.ChildDrawable[length];
{
for (int i = 0; i < length; i++)
{
r[i] = new android.graphics.drawable.LayerDrawable.ChildDrawable();
r[i].mDrawable = layers[i];
layers[i].setCallback(this);
mLayerState.mChildrenChangingConfigurations |= layers[i].getChangingConfigurations
();
}
}
mLayerState.mNum = length;
mLayerState.mChildren = r;
ensurePadding();
}
protected internal override void onBoundsChange(android.graphics.Rect bounds)
{
android.graphics.drawable.LayerDrawable.ChildDrawable[] array = mLayerState.mChildren;
int N = mLayerState.mNum;
int padL = 0;
int padT = 0;
int padR = 0;
int padB = 0;
{
for (int i = 0; i < N; i++)
{
android.graphics.drawable.LayerDrawable.ChildDrawable r = array[i];
r.mDrawable.setBounds(bounds.left + r.mInsetL + padL, bounds.top + r.mInsetT + padT
, bounds.right - r.mInsetR - padR, bounds.bottom - r.mInsetB - padB);
padL += mPaddingL[i];
padR += mPaddingR[i];
padT += mPaddingT[i];
padB += mPaddingB[i];
}
}
}
public override int getIntrinsicHeight()
{
int height = -1;
android.graphics.drawable.LayerDrawable.ChildDrawable[] array = mLayerState.mChildren;
int N = mLayerState.mNum;
int padT = 0;
int padB = 0;
{
for (int i = 0; i < N; i++)
{
android.graphics.drawable.LayerDrawable.ChildDrawable r = array[i];
int h = r.mDrawable.getIntrinsicHeight() + r.mInsetT + r.mInsetB + +padT + padB;
if (h > height)
{
height = h;
}
padT += mPaddingT[i];
padB += mPaddingB[i];
}
}
return(height);
}
public override int getIntrinsicWidth()
{
int width = -1;
android.graphics.drawable.LayerDrawable.ChildDrawable[] array = mLayerState.mChildren;
int N = mLayerState.mNum;
int padL = 0;
int padR = 0;
{
for (int i = 0; i < N; i++)
{
android.graphics.drawable.LayerDrawable.ChildDrawable r = array[i];
int w = r.mDrawable.getIntrinsicWidth() + r.mInsetL + r.mInsetR + padL + padR;
if (w > width)
{
width = w;
}
padL += mPaddingL[i];
padR += mPaddingR[i];
}
}
return(width);
}
internal LayerState(android.graphics.drawable.LayerDrawable.LayerState orig, android.graphics.drawable.LayerDrawable
owner, android.content.res.Resources res)
{
if (orig != null)
{
android.graphics.drawable.LayerDrawable.ChildDrawable[] origChildDrawable = orig.
mChildren;
int N = orig.mNum;
mNum = N;
mChildren = new android.graphics.drawable.LayerDrawable.ChildDrawable[N];
mChangingConfigurations = orig.mChangingConfigurations;
mChildrenChangingConfigurations = orig.mChildrenChangingConfigurations;
{
for (int i = 0; i < N; i++)
{
android.graphics.drawable.LayerDrawable.ChildDrawable r = mChildren[i] = new android.graphics.drawable.LayerDrawable
.ChildDrawable();
android.graphics.drawable.LayerDrawable.ChildDrawable or = origChildDrawable[i];
if (res != null)
{
r.mDrawable = or.mDrawable.getConstantState().newDrawable(res);
}
else
{
r.mDrawable = or.mDrawable.getConstantState().newDrawable();
}
r.mDrawable.setCallback(owner);
r.mInsetL = or.mInsetL;
r.mInsetT = or.mInsetT;
r.mInsetR = or.mInsetR;
r.mInsetB = or.mInsetB;
r.mId = or.mId;
}
}
mHaveOpacity = orig.mHaveOpacity;
mOpacity = orig.mOpacity;
mHaveStateful = orig.mHaveStateful;
mStateful = orig.mStateful;
mCheckedConstantState = mCanConstantState = true;
}
else
{
mNum = 0;
mChildren = null;
}
}
/// <summary>Add a new layer to this drawable.</summary>
/// <remarks>Add a new layer to this drawable. The new layer is identified by an id.</remarks>
/// <param name="layer">The drawable to add as a layer.</param>
/// <param name="id">The id of the new layer.</param>
/// <param name="left">The left padding of the new layer.</param>
/// <param name="top">The top padding of the new layer.</param>
/// <param name="right">The right padding of the new layer.</param>
/// <param name="bottom">The bottom padding of the new layer.</param>
private void addLayer(android.graphics.drawable.Drawable layer, int id, int left,
int top, int right, int bottom)
{
android.graphics.drawable.LayerDrawable.LayerState st = mLayerState;
int N = st.mChildren != null ? st.mChildren.Length : 0;
int i = st.mNum;
if (i >= N)
{
android.graphics.drawable.LayerDrawable.ChildDrawable[] nu = new android.graphics.drawable.LayerDrawable
.ChildDrawable[N + 10];
if (i > 0)
{
System.Array.Copy(st.mChildren, 0, nu, 0, i);
}
st.mChildren = nu;
}
mLayerState.mChildrenChangingConfigurations |= layer.getChangingConfigurations();
android.graphics.drawable.LayerDrawable.ChildDrawable childDrawable = new android.graphics.drawable.LayerDrawable
.ChildDrawable();
st.mChildren[i] = childDrawable;
childDrawable.mId = id;
childDrawable.mDrawable = layer;
childDrawable.mInsetL = left;
childDrawable.mInsetT = top;
childDrawable.mInsetR = right;
childDrawable.mInsetB = bottom;
st.mNum++;
layer.setCallback(this);
}
