Source code
Revision control
Copy as Markdown
Other Tools
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
#include "DimensionRequest.h"
#include "nsIBaseWindow.h"
#include "nsIDocShellTreeOwner.h"
#include "mozilla/Try.h"
namespace mozilla {
nsresult DimensionRequest::SupplementFrom(nsIBaseWindow* aSource) {
NS_ENSURE_ARG_POINTER(aSource);
int32_t x = 0, y = 0, width = 0, height = 0;
bool needsPosition = mX.isSome() != mY.isSome();
bool needsSize = mWidth.isSome() != mHeight.isSome();
if (!needsPosition && !needsSize) {
return NS_OK;
}
MOZ_TRY(aSource->GetDimensions(mDimensionKind, needsPosition ? &x : nullptr,
needsPosition ? &y : nullptr,
needsSize ? &width : nullptr,
needsSize ? &height : nullptr));
if (needsPosition) {
if (mX.isNothing()) {
mX.emplace(x);
}
if (mY.isNothing()) {
mY.emplace(y);
}
}
if (needsSize) {
if (mWidth.isNothing()) {
mWidth.emplace(width);
}
if (mHeight.isNothing()) {
mHeight.emplace(height);
}
}
MOZ_ASSERT(mX.isSome() == mY.isSome());
MOZ_ASSERT(mWidth.isSome() == mHeight.isSome());
return NS_OK;
}
nsresult DimensionRequest::ApplyOuterTo(nsIBaseWindow* aTarget) {
NS_ENSURE_ARG_POINTER(aTarget);
MOZ_ASSERT(mX.isSome() == mY.isSome(),
"Missing dimensions should have been completed.");
MOZ_ASSERT(mWidth.isSome() == mHeight.isSome(),
"Missing dimensions should have been completed.");
if (mDimensionKind != DimensionKind::Outer) {
MOZ_ASSERT_UNREACHABLE("Expected outer dimensions.");
return NS_ERROR_UNEXPECTED;
}
bool havePosition = mX.isSome() && mY.isSome();
bool haveSize = mWidth.isSome() && mHeight.isSome();
if (!havePosition && !haveSize) {
return NS_OK;
}
if (havePosition && haveSize) {
return aTarget->SetPositionAndSize(*mX, *mY, *mWidth, *mHeight, true);
}
if (havePosition) {
return aTarget->SetPosition(*mX, *mY);
}
if (haveSize) {
return aTarget->SetSize(*mWidth, *mHeight, true);
}
MOZ_ASSERT_UNREACHABLE();
return NS_ERROR_UNEXPECTED;
}
nsresult DimensionRequest::ApplyInnerTo(nsIDocShellTreeOwner* aTarget,
bool aAsRootShell) {
NS_ENSURE_ARG_POINTER(aTarget);
MOZ_ASSERT(mX.isSome() == mY.isSome(),
"Missing dimensions should have been completed.");
MOZ_ASSERT(mWidth.isSome() == mHeight.isSome(),
"Missing dimensions should have been completed.");
if (mDimensionKind != DimensionKind::Inner) {
MOZ_ASSERT_UNREACHABLE("Expected inner dimensions.");
return NS_ERROR_UNEXPECTED;
}
bool havePosition = mX.isSome() && mY.isSome();
bool haveSize = mWidth.isSome() && mHeight.isSome();
if (!havePosition && !haveSize) {
return NS_OK;
}
if (havePosition) {
MOZ_ASSERT_UNREACHABLE("Inner position is not implemented.");
return NS_ERROR_NOT_IMPLEMENTED;
}
if (haveSize) {
if (aAsRootShell) {
return aTarget->SetRootShellSize(*mWidth, *mHeight);
}
return aTarget->SetPrimaryContentSize(*mWidth, *mHeight);
}
MOZ_ASSERT_UNREACHABLE();
return NS_ERROR_UNEXPECTED;
}
} // namespace mozilla