dom/ipc/BrowserBridgeHost.cpp

   1 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
   2 /* vim: set ts=8 sts=2 et sw=2 tw=80: */
   3 /* This Source Code Form is subject to the terms of the Mozilla Public
   4  * License, v. 2.0. If a copy of the MPL was not distributed with this
   5  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
   6
   7 #include "mozilla/dom/BrowserBridgeHost.h"
   8
   9 #include "mozilla/Unused.h"
  10 #include "mozilla/dom/Element.h"
  11 #include "nsFrameLoader.h"
  12
  13 namespace mozilla::dom {
  14
  15 NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION(BrowserBridgeHost)
  16   NS_INTERFACE_MAP_ENTRY(nsISupports)
  17 NS_INTERFACE_MAP_END
  18
  19 NS_IMPL_CYCLE_COLLECTION(BrowserBridgeHost)
  20
  21 NS_IMPL_CYCLE_COLLECTING_ADDREF(BrowserBridgeHost)
  22 NS_IMPL_CYCLE_COLLECTING_RELEASE(BrowserBridgeHost)
  23
  24 BrowserBridgeHost::BrowserBridgeHost(BrowserBridgeChild* aChild)
  25     : mBridge(aChild) {}
  26
  27 TabId BrowserBridgeHost::GetTabId() const { return mBridge->GetTabId(); }
  28
  29 mozilla::layers::LayersId BrowserBridgeHost::GetLayersId() const {
  30   return mBridge->GetLayersId();
  31 }
  32
  33 BrowsingContext* BrowserBridgeHost::GetBrowsingContext() const {
  34   return mBridge->GetBrowsingContext();
  35 }
  36
  37 nsILoadContext* BrowserBridgeHost::GetLoadContext() const {
  38   return mBridge->GetLoadContext();
  39 }
  40
  41 bool BrowserBridgeHost::CanRecv() const {
  42   return mBridge && mBridge->CanRecv();
  43 }
  44
  45 void BrowserBridgeHost::LoadURL(nsDocShellLoadState* aLoadState) {
  46   MOZ_ASSERT(aLoadState);
  47   Unused << mBridge->SendLoadURL(WrapNotNull(aLoadState));
  48 }
  49
  50 void BrowserBridgeHost::ResumeLoad(uint64_t aPendingSwitchId) {
  51   Unused << mBridge->SendResumeLoad(aPendingSwitchId);
  52 }
  53
  54 void BrowserBridgeHost::DestroyStart() {
  55   // We don't clear the bridge until BrowserBridgeChild::ActorDestroy is called,
  56   // which will end up calling DestroyComplete().
  57   if (mBridge) {
  58     Unused << mBridge->SendBeginDestroy();
  59   }
  60 }
  61
  62 void BrowserBridgeHost::DestroyComplete() { mBridge = nullptr; }
  63
  64 bool BrowserBridgeHost::Show(const OwnerShowInfo& aShowInfo) {
  65   Unused << mBridge->SendShow(aShowInfo);
  66   return true;
  67 }
  68
  69 void BrowserBridgeHost::UpdateDimensions(const nsIntRect& aRect,
  70                                          const ScreenIntSize& aSize) {
  71   Unused << mBridge->SendUpdateDimensions(aRect, aSize);
  72 }
  73
  74 void BrowserBridgeHost::UpdateEffects(EffectsInfo aEffects) {
  75   if (!mBridge || mEffectsInfo == aEffects) {
  76     return;
  77   }
  78   mEffectsInfo = aEffects;
  79   Unused << mBridge->SendUpdateEffects(mEffectsInfo);
  80 }
  81
  82 already_AddRefed<nsIWidget> BrowserBridgeHost::GetWidget() const {
  83   RefPtr<Element> owner = mBridge->GetFrameLoader()->GetOwnerContent();
  84   nsCOMPtr<nsIWidget> widget = nsContentUtils::WidgetForContent(owner);
  85   if (!widget) {
  86     widget = nsContentUtils::WidgetForDocument(owner->OwnerDoc());
  87   }
  88   return widget.forget();
  89 }
  90
  91 }  // namespace mozilla::dom