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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=2 et sw=2 tw=80: */
/* 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
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#include "DocAccessibleWrap.h"
#include "Compatibility.h"
#include "mozilla/PresShell.h"
#include "mozilla/dom/Document.h"
#include "DocAccessibleChild.h"
#include "nsWinUtils.h"
#include "RootAccessible.h"
#include "sdnDocAccessible.h"
#include "Statistics.h"
using namespace mozilla;
using namespace mozilla::a11y;
////////////////////////////////////////////////////////////////////////////////
// DocAccessibleWrap
////////////////////////////////////////////////////////////////////////////////
DocAccessibleWrap::DocAccessibleWrap(dom::Document* aDocument,
PresShell* aPresShell)
: DocAccessible(aDocument, aPresShell), mHWND(nullptr) {}
DocAccessibleWrap::~DocAccessibleWrap() {}
////////////////////////////////////////////////////////////////////////////////
// LocalAccessible
void DocAccessibleWrap::Shutdown() {
// Do window emulation specific shutdown if emulation was started.
if (nsWinUtils::IsWindowEmulationStarted()) {
// Destroy window created for root document.
if (mDocFlags & eTopLevelContentDocInProcess) {
MOZ_ASSERT(XRE_IsParentProcess());
HWND hWnd = static_cast<HWND>(mHWND);
::RemovePropW(hWnd, kPropNameDocAcc);
::DestroyWindow(hWnd);
}
mHWND = nullptr;
}
DocAccessible::Shutdown();
}
////////////////////////////////////////////////////////////////////////////////
// DocAccessible public
void* DocAccessibleWrap::GetNativeWindow() const {
if (XRE_IsContentProcess()) {
DocAccessibleChild* ipcDoc = IPCDoc();
if (!ipcDoc) {
return nullptr;
}
return ipcDoc->GetNativeWindowHandle();
} else if (mHWND) {
return mHWND;
}
return DocAccessible::GetNativeWindow();
}
////////////////////////////////////////////////////////////////////////////////
// DocAccessible protected
void DocAccessibleWrap::DoInitialUpdate() {
DocAccessible::DoInitialUpdate();
if (nsWinUtils::IsWindowEmulationStarted()) {
// Create window for tab document.
if (mDocFlags & eTopLevelContentDocInProcess) {
MOZ_ASSERT(XRE_IsParentProcess());
a11y::RootAccessible* rootDocument = RootAccessible();
bool isActive = true;
LayoutDeviceIntRect rect(CW_USEDEFAULT, CW_USEDEFAULT, 0, 0);
if (Compatibility::IsDolphin()) {
rect = Bounds();
LayoutDeviceIntRect rootRect = rootDocument->Bounds();
rect.MoveToX(rootRect.X() - rect.X());
rect.MoveByY(-rootRect.Y());
auto* bc = mDocumentNode->GetBrowsingContext();
isActive = bc && bc->IsActive();
}
RefPtr<DocAccessibleWrap> self(this);
nsWinUtils::NativeWindowCreateProc onCreate([self](HWND aHwnd) -> void {
::SetPropW(aHwnd, kPropNameDocAcc,
reinterpret_cast<HANDLE>(self.get()));
});
HWND parentWnd = reinterpret_cast<HWND>(rootDocument->GetNativeWindow());
mHWND = nsWinUtils::CreateNativeWindow(
kClassNameTabContent, parentWnd, rect.X(), rect.Y(), rect.Width(),
rect.Height(), isActive, &onCreate);
} else {
DocAccessible* parentDocument = ParentDocument();
if (parentDocument) mHWND = parentDocument->GetNativeWindow();
}
}
}