protected internal override void onDetachedFromWindow()
{
if (mGlobalListenersAdded)
{
android.view.ViewTreeObserver observer = getViewTreeObserver();
observer.removeOnScrollChangedListener(mScrollChangedListener);
observer.removeOnPreDrawListener(mDrawListener);
mGlobalListenersAdded = false;
}
mRequestedVisible = false;
updateWindow(false, false);
mHaveFrame = false;
if (mWindow != null)
{
try
{
mSession.remove(mWindow);
}
catch (android.os.RemoteException)
{
}
// Not much we can do here...
mWindow = null;
}
mSession = null;
mLayout.token = null;
base.onDetachedFromWindow();
}
private void updateWindow(bool force, bool redrawNeeded)
{
if (!mHaveFrame)
{
return;
}
android.view.ViewRootImpl viewRoot = (android.view.ViewRootImpl)getRootView().getParent
();
if (viewRoot != null)
{
mTranslator = viewRoot.mTranslator;
}
if (mTranslator != null)
{
mSurface.setCompatibilityTranslator(mTranslator);
}
int myWidth = mRequestedWidth;
if (myWidth <= 0)
{
myWidth = getWidth();
}
int myHeight = mRequestedHeight;
if (myHeight <= 0)
{
myHeight = getHeight();
}
getLocationInWindow(mLocation);
bool creating = mWindow == null;
bool formatChanged = mFormat != mRequestedFormat;
bool sizeChanged = mWidth != myWidth || mHeight != myHeight;
bool visibleChanged = mVisible != mRequestedVisible || mNewSurfaceNeeded;
if (force || creating || formatChanged || sizeChanged || visibleChanged || mLeft
!= mLocation[0] || mTop != mLocation[1] || mUpdateWindowNeeded || mReportDrawNeeded
|| redrawNeeded)
{
try
{
bool visible = mVisible = mRequestedVisible;
mLeft = mLocation[0];
mTop = mLocation[1];
mWidth = myWidth;
mHeight = myHeight;
mFormat = mRequestedFormat;
// Scaling/Translate window's layout here because mLayout is not used elsewhere.
// Places the window relative
mLayout.x = mLeft;
mLayout.y = mTop;
mLayout.width = getWidth();
mLayout.height = getHeight();
if (mTranslator != null)
{
mTranslator.translateLayoutParamsInAppWindowToScreen(mLayout);
}
mLayout.format = mRequestedFormat;
mLayout.flags |= android.view.WindowManagerClass.LayoutParams.FLAG_NOT_TOUCHABLE
| android.view.WindowManagerClass.LayoutParams.FLAG_NOT_FOCUSABLE | android.view.WindowManagerClass
.LayoutParams.FLAG_LAYOUT_NO_LIMITS | android.view.WindowManagerClass.LayoutParams
.FLAG_SCALED | android.view.WindowManagerClass.LayoutParams.FLAG_NOT_FOCUSABLE |
android.view.WindowManagerClass.LayoutParams.FLAG_NOT_TOUCHABLE;
if (!getContext().getResources().getCompatibilityInfo().supportsScreen())
{
mLayout.flags |= android.view.WindowManagerClass.LayoutParams.FLAG_COMPATIBLE_WINDOW;
}
if (mWindow == null)
{
mWindow = new android.view.SurfaceView.MyWindow(this);
mLayout.type = mWindowType;
mLayout.gravity = android.view.Gravity.LEFT | android.view.Gravity.TOP;
mSession.addWithoutInputChannel(mWindow, mWindow.mSeq, mLayout, mVisible ? VISIBLE
: GONE, mContentInsets);
}
if (visibleChanged && (!visible || mNewSurfaceNeeded))
{
reportSurfaceDestroyed();
}
mNewSurfaceNeeded = false;
bool realSizeChanged;
bool reportDrawNeeded;
mSurfaceLock.@lock();
try
{
mUpdateWindowNeeded = false;
reportDrawNeeded = mReportDrawNeeded;
mReportDrawNeeded = false;
mDrawingStopped = !visible;
int relayoutResult = mSession.relayout(mWindow, mWindow.mSeq, mLayout, mWidth, mHeight
, visible ? VISIBLE : GONE, false, mWinFrame, mContentInsets, mVisibleInsets, mConfiguration
, mSurface);
if ((relayoutResult & android.view.WindowManagerImpl.RELAYOUT_FIRST_TIME) != 0)
{
mReportDrawNeeded = true;
}
mSurfaceFrame.left = 0;
mSurfaceFrame.top = 0;
if (mTranslator == null)
{
mSurfaceFrame.right = mWinFrame.width();
mSurfaceFrame.bottom = mWinFrame.height();
}
else
{
float appInvertedScale = mTranslator.applicationInvertedScale;
mSurfaceFrame.right = (int)(mWinFrame.width() * appInvertedScale + 0.5f);
mSurfaceFrame.bottom = (int)(mWinFrame.height() * appInvertedScale + 0.5f);
}
int surfaceWidth = mSurfaceFrame.right;
int surfaceHeight = mSurfaceFrame.bottom;
realSizeChanged = mLastSurfaceWidth != surfaceWidth || mLastSurfaceHeight != surfaceHeight;
mLastSurfaceWidth = surfaceWidth;
mLastSurfaceHeight = surfaceHeight;
}
finally
{
mSurfaceLock.unlock();
}
try
{
redrawNeeded |= creating | reportDrawNeeded;
if (visible)
{
mDestroyReportNeeded = true;
android.view.SurfaceHolderClass.Callback[] callbacks;
lock (mCallbacks)
{
callbacks = new android.view.SurfaceHolderClass.Callback[mCallbacks.size()];
mCallbacks.toArray(callbacks);
}
if (visibleChanged)
{
mIsCreating = true;
foreach (android.view.SurfaceHolderClass.Callback c in callbacks)
{
c.surfaceCreated(mSurfaceHolder);
}
}
if (creating || formatChanged || sizeChanged || visibleChanged || realSizeChanged)
{
foreach (android.view.SurfaceHolderClass.Callback c in callbacks)
{
c.surfaceChanged(mSurfaceHolder, mFormat, myWidth, myHeight);
}
}
if (redrawNeeded)
{
foreach (android.view.SurfaceHolderClass.Callback c in callbacks)
{
if (c is android.view.SurfaceHolderClass.Callback2)
{
((android.view.SurfaceHolderClass.Callback2)c).surfaceRedrawNeeded(mSurfaceHolder
);
}
}
}
}
else
{
mSurface.release();
}
}
finally
{
mIsCreating = false;
if (redrawNeeded)
{
mSession.finishDrawing(mWindow);
}
}
}
catch (android.os.RemoteException)
{
}
}
}
protected internal override void onDetachedFromWindow()
{
if (mGlobalListenersAdded)
{
android.view.ViewTreeObserver observer = getViewTreeObserver();
observer.removeOnScrollChangedListener(mScrollChangedListener);
observer.removeOnPreDrawListener(mDrawListener);
mGlobalListenersAdded = false;
}
mRequestedVisible = false;
updateWindow(false, false);
mHaveFrame = false;
if (mWindow != null)
{
try
{
mSession.remove(mWindow);
}
catch (android.os.RemoteException)
{
}
// Not much we can do here...
mWindow = null;
}
mSession = null;
mLayout.token = null;
base.onDetachedFromWindow();
}
private void updateWindow(bool force, bool redrawNeeded)
{
if (!mHaveFrame)
{
return;
}
android.view.ViewRootImpl viewRoot = (android.view.ViewRootImpl)getRootView().getParent
();
if (viewRoot != null)
{
mTranslator = viewRoot.mTranslator;
}
if (mTranslator != null)
{
mSurface.setCompatibilityTranslator(mTranslator);
}
int myWidth = mRequestedWidth;
if (myWidth <= 0)
{
myWidth = getWidth();
}
int myHeight = mRequestedHeight;
if (myHeight <= 0)
{
myHeight = getHeight();
}
getLocationInWindow(mLocation);
bool creating = mWindow == null;
bool formatChanged = mFormat != mRequestedFormat;
bool sizeChanged = mWidth != myWidth || mHeight != myHeight;
bool visibleChanged = mVisible != mRequestedVisible || mNewSurfaceNeeded;
if (force || creating || formatChanged || sizeChanged || visibleChanged || mLeft
!= mLocation[0] || mTop != mLocation[1] || mUpdateWindowNeeded || mReportDrawNeeded ||
redrawNeeded)
{
try
{
bool visible = mVisible = mRequestedVisible;
mLeft = mLocation[0];
mTop = mLocation[1];
mWidth = myWidth;
mHeight = myHeight;
mFormat = mRequestedFormat;
// Scaling/Translate window's layout here because mLayout is not used elsewhere.
// Places the window relative
mLayout.x = mLeft;
mLayout.y = mTop;
mLayout.width = getWidth();
mLayout.height = getHeight();
if (mTranslator != null)
{
mTranslator.translateLayoutParamsInAppWindowToScreen(mLayout);
}
mLayout.format = mRequestedFormat;
mLayout.flags |= android.view.WindowManagerClass.LayoutParams.FLAG_NOT_TOUCHABLE
| android.view.WindowManagerClass.LayoutParams.FLAG_NOT_FOCUSABLE | android.view.WindowManagerClass
.LayoutParams.FLAG_LAYOUT_NO_LIMITS | android.view.WindowManagerClass.LayoutParams
.FLAG_SCALED | android.view.WindowManagerClass.LayoutParams.FLAG_NOT_FOCUSABLE |
android.view.WindowManagerClass.LayoutParams.FLAG_NOT_TOUCHABLE;
if (!getContext().getResources().getCompatibilityInfo().supportsScreen())
{
mLayout.flags |= android.view.WindowManagerClass.LayoutParams.FLAG_COMPATIBLE_WINDOW;
}
if (mWindow == null)
{
mWindow = new android.view.SurfaceView.MyWindow(this);
mLayout.type = mWindowType;
mLayout.gravity = android.view.Gravity.LEFT | android.view.Gravity.TOP;
mSession.addWithoutInputChannel(mWindow, mWindow.mSeq, mLayout, mVisible ? VISIBLE
: GONE, mContentInsets);
}
if (visibleChanged && (!visible || mNewSurfaceNeeded))
{
reportSurfaceDestroyed();
}
mNewSurfaceNeeded = false;
bool realSizeChanged;
bool reportDrawNeeded;
mSurfaceLock.@lock();
try
{
mUpdateWindowNeeded = false;
reportDrawNeeded = mReportDrawNeeded;
mReportDrawNeeded = false;
mDrawingStopped = !visible;
int relayoutResult = mSession.relayout(mWindow, mWindow.mSeq, mLayout, mWidth, mHeight
, visible ? VISIBLE : GONE, false, mWinFrame, mContentInsets, mVisibleInsets, mConfiguration
, mSurface);
if ((relayoutResult & android.view.WindowManagerImpl.RELAYOUT_FIRST_TIME) != 0)
{
mReportDrawNeeded = true;
}
mSurfaceFrame.left = 0;
mSurfaceFrame.top = 0;
if (mTranslator == null)
{
mSurfaceFrame.right = mWinFrame.width();
mSurfaceFrame.bottom = mWinFrame.height();
}
else
{
float appInvertedScale = mTranslator.applicationInvertedScale;
mSurfaceFrame.right = (int)(mWinFrame.width() * appInvertedScale + 0.5f);
mSurfaceFrame.bottom = (int)(mWinFrame.height() * appInvertedScale + 0.5f);
}
int surfaceWidth = mSurfaceFrame.right;
int surfaceHeight = mSurfaceFrame.bottom;
realSizeChanged = mLastSurfaceWidth != surfaceWidth || mLastSurfaceHeight != surfaceHeight;
mLastSurfaceWidth = surfaceWidth;
mLastSurfaceHeight = surfaceHeight;
}
finally
{
mSurfaceLock.unlock();
}
try
{
redrawNeeded |= creating | reportDrawNeeded;
if (visible)
{
mDestroyReportNeeded = true;
android.view.SurfaceHolderClass.Callback[] callbacks;
lock (mCallbacks)
{
callbacks = new android.view.SurfaceHolderClass.Callback[mCallbacks.size()];
mCallbacks.toArray(callbacks);
}
if (visibleChanged)
{
mIsCreating = true;
foreach (android.view.SurfaceHolderClass.Callback c in callbacks)
{
c.surfaceCreated(mSurfaceHolder);
}
}
if (creating || formatChanged || sizeChanged || visibleChanged || realSizeChanged)
{
foreach (android.view.SurfaceHolderClass.Callback c in callbacks)
{
c.surfaceChanged(mSurfaceHolder, mFormat, myWidth, myHeight);
}
}
if (redrawNeeded)
{
foreach (android.view.SurfaceHolderClass.Callback c in callbacks)
{
if (c is android.view.SurfaceHolderClass.Callback2)
{
((android.view.SurfaceHolderClass.Callback2)c).surfaceRedrawNeeded(mSurfaceHolder
);
}
}
}
}
else
{
mSurface.release();
}
}
finally
{
mIsCreating = false;
if (redrawNeeded)
{
mSession.finishDrawing(mWindow);
}
}
}
catch (android.os.RemoteException)
{
}
}
}
