gecko-dev/dom/ipc/BrowserBridgeHost.cpp

121 строка
3.7 KiB
C++

/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=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 "mozilla/dom/BrowserBridgeHost.h"
#include "mozilla/Unused.h"
namespace mozilla {
namespace dom {
NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION(BrowserBridgeHost)
NS_INTERFACE_MAP_ENTRY(nsISupports)
NS_INTERFACE_MAP_END
NS_IMPL_CYCLE_COLLECTION(BrowserBridgeHost)
NS_IMPL_CYCLE_COLLECTING_ADDREF(BrowserBridgeHost)
NS_IMPL_CYCLE_COLLECTING_RELEASE(BrowserBridgeHost)
BrowserBridgeHost::BrowserBridgeHost(BrowserBridgeChild* aChild)
: mBridge(aChild) {}
TabId BrowserBridgeHost::GetTabId() const { return mBridge->GetTabId(); }
mozilla::layers::LayersId BrowserBridgeHost::GetLayersId() const {
return mBridge->GetLayersId();
}
BrowsingContext* BrowserBridgeHost::GetBrowsingContext() const {
return mBridge->GetBrowsingContext();
}
nsILoadContext* BrowserBridgeHost::GetLoadContext() const {
return mBridge->GetLoadContext();
}
void BrowserBridgeHost::LoadURL(nsIURI* aURI) {
nsAutoCString spec;
aURI->GetSpec(spec);
Unused << mBridge->SendLoadURL(spec);
}
void BrowserBridgeHost::ResumeLoad(uint64_t aPendingSwitchId) {
Unused << mBridge->SendResumeLoad(aPendingSwitchId);
}
void BrowserBridgeHost::DestroyStart() { DestroyComplete(); }
void BrowserBridgeHost::DestroyComplete() {
if (!mBridge) {
return;
}
Unused << mBridge->Send__delete__(mBridge);
mBridge = nullptr;
}
bool BrowserBridgeHost::Show(const ScreenIntSize& aSize, bool aParentIsActive) {
nsCOMPtr<nsIWidget> widget = GetWidget();
if (!widget) {
NS_WARNING("No widget found in BrowserBridgeHost::Show");
return false;
}
nsSizeMode sizeMode = widget ? widget->SizeMode() : nsSizeMode_Normal;
Unused << mBridge->SendShow(aSize, aParentIsActive, sizeMode);
return true;
}
void BrowserBridgeHost::UpdateDimensions(const nsIntRect& aRect,
const ScreenIntSize& aSize) {
nsCOMPtr<nsIWidget> widget = GetWidget();
if (!widget) {
NS_WARNING("No widget found in BrowserBridgeHost::UpdateDimensions");
return;
}
CSSToLayoutDeviceScale widgetScale = widget->GetDefaultScale();
LayoutDeviceIntRect devicePixelRect = ViewAs<LayoutDevicePixel>(
aRect, PixelCastJustification::LayoutDeviceIsScreenForTabDims);
LayoutDeviceIntSize devicePixelSize = ViewAs<LayoutDevicePixel>(
aSize, PixelCastJustification::LayoutDeviceIsScreenForTabDims);
// XXX What are clientOffset and chromeOffset used for? Are they meaningful
// for nested iframes with transforms?
LayoutDeviceIntPoint clientOffset;
LayoutDeviceIntPoint chromeOffset;
CSSRect unscaledRect = devicePixelRect / widgetScale;
CSSSize unscaledSize = devicePixelSize / widgetScale;
hal::ScreenOrientation orientation = hal::eScreenOrientation_Default;
DimensionInfo di(unscaledRect, unscaledSize, orientation, clientOffset,
chromeOffset);
Unused << mBridge->SendUpdateDimensions(di);
}
void BrowserBridgeHost::UpdateEffects(EffectsInfo aEffects) {
if (!mBridge || mEffectsInfo == aEffects) {
return;
}
mEffectsInfo = aEffects;
Unused << mBridge->SendUpdateEffects(mEffectsInfo);
}
already_AddRefed<nsIWidget> BrowserBridgeHost::GetWidget() const {
RefPtr<Element> owner = mBridge->GetFrameLoader()->GetOwnerContent();
nsCOMPtr<nsIWidget> widget = nsContentUtils::WidgetForContent(owner);
if (!widget) {
widget = nsContentUtils::WidgetForDocument(owner->OwnerDoc());
}
return widget.forget();
}
} // namespace dom
} // namespace mozilla