2019-01-23 19:38:09 +03:00
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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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2019-03-05 05:15:58 +03:00
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#include "mozilla/dom/BrowserBridgeChild.h"
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#include "nsFrameLoader.h"
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2019-03-05 22:33:09 +03:00
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#include "nsFrameLoaderOwner.h"
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2019-03-05 05:15:58 +03:00
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#include "nsQueryObject.h"
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2019-03-05 22:33:09 +03:00
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2019-01-23 19:38:09 +03:00
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using namespace mozilla::ipc;
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namespace mozilla {
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namespace dom {
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2019-03-05 05:15:58 +03:00
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BrowserBridgeChild::BrowserBridgeChild(nsFrameLoader* aFrameLoader)
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2019-03-06 00:11:48 +03:00
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: mLayersId{0}, mIPCOpen(true), mFrameLoader(aFrameLoader) {}
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2019-01-23 19:38:09 +03:00
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2019-03-05 05:15:58 +03:00
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BrowserBridgeChild::~BrowserBridgeChild() {}
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2019-01-23 19:38:09 +03:00
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2019-03-05 05:15:58 +03:00
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already_AddRefed<BrowserBridgeChild> BrowserBridgeChild::Create(
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2019-01-23 19:38:09 +03:00
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nsFrameLoader* aFrameLoader, const TabContext& aContext,
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const nsString& aRemoteType) {
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MOZ_ASSERT(XRE_IsContentProcess());
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// Determine our embedder's TabChild actor.
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RefPtr<Element> owner = aFrameLoader->GetOwnerContent();
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MOZ_DIAGNOSTIC_ASSERT(owner);
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nsCOMPtr<nsIDocShell> docShell = do_GetInterface(owner->GetOwnerGlobal());
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MOZ_DIAGNOSTIC_ASSERT(docShell);
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RefPtr<TabChild> tabChild = TabChild::GetFrom(docShell);
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MOZ_DIAGNOSTIC_ASSERT(tabChild);
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2019-03-05 05:15:58 +03:00
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RefPtr<BrowserBridgeChild> browserBridge =
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new BrowserBridgeChild(aFrameLoader);
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// Reference is freed in TabChild::DeallocPBrowserBridgeChild.
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tabChild->SendPBrowserBridgeConstructor(
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do_AddRef(browserBridge).take(),
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PromiseFlatString(aContext.PresentationURL()), aRemoteType);
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browserBridge->mIPCOpen = true;
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return browserBridge.forget();
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}
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2019-03-05 05:15:58 +03:00
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void BrowserBridgeChild::UpdateDimensions(const nsIntRect& aRect,
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const mozilla::ScreenIntSize& aSize) {
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2019-01-23 20:04:26 +03:00
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MOZ_DIAGNOSTIC_ASSERT(mIPCOpen);
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RefPtr<Element> owner = mFrameLoader->GetOwnerContent();
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nsCOMPtr<nsIWidget> widget = nsContentUtils::WidgetForContent(owner);
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if (!widget) {
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widget = nsContentUtils::WidgetForDocument(owner->OwnerDoc());
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}
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MOZ_DIAGNOSTIC_ASSERT(widget);
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CSSToLayoutDeviceScale widgetScale = widget->GetDefaultScale();
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LayoutDeviceIntRect devicePixelRect = ViewAs<LayoutDevicePixel>(
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aRect, PixelCastJustification::LayoutDeviceIsScreenForTabDims);
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LayoutDeviceIntSize devicePixelSize = ViewAs<LayoutDevicePixel>(
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aSize, PixelCastJustification::LayoutDeviceIsScreenForTabDims);
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// XXX What are clientOffset and chromeOffset used for? Are they meaningful
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// for nested iframes with transforms?
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LayoutDeviceIntPoint clientOffset;
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LayoutDeviceIntPoint chromeOffset;
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CSSRect unscaledRect = devicePixelRect / widgetScale;
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CSSSize unscaledSize = devicePixelSize / widgetScale;
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hal::ScreenOrientation orientation = hal::eScreenOrientation_Default;
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DimensionInfo di(unscaledRect, unscaledSize, orientation, clientOffset,
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chromeOffset);
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Unused << SendUpdateDimensions(di);
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}
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void BrowserBridgeChild::NavigateByKey(bool aForward,
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bool aForDocumentNavigation) {
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Unused << SendNavigateByKey(aForward, aForDocumentNavigation);
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}
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void BrowserBridgeChild::Activate() { Unused << SendActivate(); }
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2019-03-05 22:33:52 +03:00
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2019-03-14 19:00:32 +03:00
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void BrowserBridgeChild::Deactivate() { Unused << SendDeactivate(); }
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/*static*/
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BrowserBridgeChild* BrowserBridgeChild::GetFrom(nsFrameLoader* aFrameLoader) {
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if (!aFrameLoader) {
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return nullptr;
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}
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return aFrameLoader->GetBrowserBridgeChild();
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}
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/*static*/
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BrowserBridgeChild* BrowserBridgeChild::GetFrom(nsIContent* aContent) {
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RefPtr<nsFrameLoaderOwner> loaderOwner = do_QueryObject(aContent);
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if (!loaderOwner) {
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return nullptr;
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}
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RefPtr<nsFrameLoader> frameLoader = loaderOwner->GetFrameLoader();
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return GetFrom(frameLoader);
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}
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IPCResult BrowserBridgeChild::RecvSetLayersId(
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const mozilla::layers::LayersId& aLayersId) {
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MOZ_ASSERT(!mLayersId.IsValid() && aLayersId.IsValid());
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mLayersId = aLayersId;
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return IPC_OK();
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}
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2019-03-05 05:15:58 +03:00
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void BrowserBridgeChild::ActorDestroy(ActorDestroyReason aWhy) {
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mIPCOpen = false;
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}
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} // namespace dom
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} // namespace mozilla
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