зеркало из https://github.com/mozilla/gecko-dev.git
2970 строки
90 KiB
C++
2970 строки
90 KiB
C++
/* -*- Mode: C++; c-basic-offset: 2; indent-tabs-mode: nil; tab-width: 8; -*- */
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/* vim: set sw=2 sts=2 ts=8 et 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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#include "base/basictypes.h"
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#include "TabChild.h"
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#include "Layers.h"
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#include "ContentChild.h"
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#include "IndexedDBChild.h"
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#include "mozilla/Preferences.h"
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#include "mozilla/ClearOnShutdown.h"
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#include "mozilla/EventListenerManager.h"
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#include "mozilla/IntentionalCrash.h"
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#include "mozilla/docshell/OfflineCacheUpdateChild.h"
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#include "mozilla/ipc/DocumentRendererChild.h"
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#include "mozilla/ipc/FileDescriptorUtils.h"
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#include "mozilla/layers/ActiveElementManager.h"
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#include "mozilla/layers/APZCCallbackHelper.h"
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#include "mozilla/layers/AsyncPanZoomController.h"
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#include "mozilla/layers/CompositorChild.h"
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#include "mozilla/layers/ImageBridgeChild.h"
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#include "mozilla/layers/ShadowLayers.h"
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#include "mozilla/layout/RenderFrameChild.h"
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#include "mozilla/MouseEvents.h"
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#include "mozilla/Services.h"
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#include "mozilla/StaticPtr.h"
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#include "mozilla/TextEvents.h"
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#include "mozilla/TouchEvents.h"
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#include "mozilla/unused.h"
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#include "mozIApplication.h"
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#include "nsContentUtils.h"
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#include "nsCxPusher.h"
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#include "nsEmbedCID.h"
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#include <algorithm>
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#ifdef MOZ_CRASHREPORTER
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#include "nsExceptionHandler.h"
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#endif
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#include "nsFilePickerProxy.h"
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#include "mozilla/dom/Element.h"
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#include "nsIBaseWindow.h"
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#include "nsIBrowserDOMWindow.h"
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#include "nsICachedFileDescriptorListener.h"
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#include "nsIDocumentInlines.h"
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#include "nsIDocShellTreeOwner.h"
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#include "nsIDOMChromeWindow.h"
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#include "nsIDOMEvent.h"
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#include "nsIDOMWindow.h"
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#include "nsIDOMWindowUtils.h"
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#include "nsIDocShell.h"
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#include "nsIURI.h"
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#include "nsIURIFixup.h"
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#include "nsCDefaultURIFixup.h"
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#include "nsIWebBrowser.h"
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#include "nsIWebBrowserFocus.h"
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#include "nsIWebBrowserSetup.h"
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#include "nsIWebProgress.h"
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#include "nsIXULRuntime.h"
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#include "nsInterfaceHashtable.h"
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#include "nsPIDOMWindow.h"
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#include "nsPIWindowRoot.h"
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#include "nsLayoutUtils.h"
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#include "nsPrintfCString.h"
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#include "nsThreadUtils.h"
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#include "nsWeakReference.h"
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#include "nsWindowWatcher.h"
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#include "PermissionMessageUtils.h"
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#include "PCOMContentPermissionRequestChild.h"
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#include "PuppetWidget.h"
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#include "StructuredCloneUtils.h"
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#include "nsViewportInfo.h"
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#include "JavaScriptChild.h"
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#include "nsILoadContext.h"
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#include "ipc/nsGUIEventIPC.h"
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#include "mozilla/gfx/Matrix.h"
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#include "UnitTransforms.h"
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#include "ClientLayerManager.h"
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#include "nsColorPickerProxy.h"
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#ifdef DEBUG
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#include "PCOMContentPermissionRequestChild.h"
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#endif /* DEBUG */
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#define BROWSER_ELEMENT_CHILD_SCRIPT \
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NS_LITERAL_STRING("chrome://global/content/BrowserElementChild.js")
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using namespace mozilla;
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using namespace mozilla::dom;
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using namespace mozilla::dom::ipc;
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using namespace mozilla::ipc;
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using namespace mozilla::layers;
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using namespace mozilla::layout;
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using namespace mozilla::docshell;
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using namespace mozilla::dom::indexedDB;
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using namespace mozilla::widget;
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using namespace mozilla::jsipc;
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NS_IMPL_ISUPPORTS(ContentListener, nsIDOMEventListener)
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static const CSSSize kDefaultViewportSize(980, 480);
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static const char BROWSER_ZOOM_TO_RECT[] = "browser-zoom-to-rect";
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static const char BEFORE_FIRST_PAINT[] = "before-first-paint";
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static bool sCpowsEnabled = false;
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static int32_t sActiveDurationMs = 10;
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static bool sActiveDurationMsSet = false;
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typedef nsDataHashtable<nsUint64HashKey, TabChild*> TabChildMap;
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static TabChildMap* sTabChildren;
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TabChildBase::TabChildBase()
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: mContentDocumentIsDisplayed(false)
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, mTabChildGlobal(nullptr)
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, mInnerSize(0, 0)
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{
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mozilla::HoldJSObjects(this);
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}
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TabChildBase::~TabChildBase()
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{
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mAnonymousGlobalScopes.Clear();
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mozilla::DropJSObjects(this);
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}
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NS_IMPL_CYCLE_COLLECTION_CLASS(TabChildBase)
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NS_IMPL_CYCLE_COLLECTION_UNLINK_BEGIN(TabChildBase)
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NS_IMPL_CYCLE_COLLECTION_UNLINK(mTabChildGlobal)
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NS_IMPL_CYCLE_COLLECTION_UNLINK(mGlobal)
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NS_IMPL_CYCLE_COLLECTION_UNLINK(mAnonymousGlobalScopes)
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NS_IMPL_CYCLE_COLLECTION_UNLINK_END
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NS_IMPL_CYCLE_COLLECTION_TRAVERSE_BEGIN(TabChildBase)
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NS_IMPL_CYCLE_COLLECTION_TRAVERSE(mTabChildGlobal)
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NS_IMPL_CYCLE_COLLECTION_TRAVERSE(mGlobal)
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NS_IMPL_CYCLE_COLLECTION_TRAVERSE_SCRIPT_OBJECTS
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NS_IMPL_CYCLE_COLLECTION_TRAVERSE_END
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NS_IMPL_CYCLE_COLLECTION_TRACE_BEGIN(TabChildBase)
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for (uint32_t i = 0; i < tmp->mAnonymousGlobalScopes.Length(); ++i) {
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NS_IMPL_CYCLE_COLLECTION_TRACE_JS_MEMBER_CALLBACK(mAnonymousGlobalScopes[i])
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}
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NS_IMPL_CYCLE_COLLECTION_TRACE_END
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NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION(TabChildBase)
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NS_INTERFACE_MAP_ENTRY(nsISupports)
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NS_INTERFACE_MAP_END
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NS_IMPL_CYCLE_COLLECTING_ADDREF(TabChildBase)
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NS_IMPL_CYCLE_COLLECTING_RELEASE(TabChildBase)
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void
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TabChildBase::InitializeRootMetrics()
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{
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// Calculate a really simple resolution that we probably won't
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// be keeping, as well as putting the scroll offset back to
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// the top-left of the page.
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mLastRootMetrics.mViewport = CSSRect(CSSPoint(), kDefaultViewportSize);
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mLastRootMetrics.mCompositionBounds = ParentLayerRect(
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ParentLayerPoint(),
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ParentLayerSize(ViewAs<ParentLayerPixel>(mInnerSize, PixelCastJustification::ScreenToParentLayerForRoot)));
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mLastRootMetrics.SetZoom(mLastRootMetrics.CalculateIntrinsicScale());
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mLastRootMetrics.mDevPixelsPerCSSPixel = WebWidget()->GetDefaultScale();
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// We use ScreenToLayerScale(1) below in order to turn the
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// async zoom amount into the gecko zoom amount.
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mLastRootMetrics.mCumulativeResolution =
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mLastRootMetrics.GetZoom() / mLastRootMetrics.mDevPixelsPerCSSPixel * ScreenToLayerScale(1);
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// This is the root layer, so the cumulative resolution is the same
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// as the resolution.
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mLastRootMetrics.mResolution = mLastRootMetrics.mCumulativeResolution / LayoutDeviceToParentLayerScale(1);
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mLastRootMetrics.SetScrollOffset(CSSPoint(0, 0));
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}
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void
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TabChildBase::SetCSSViewport(const CSSSize& aSize)
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{
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mOldViewportSize = aSize;
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if (mContentDocumentIsDisplayed) {
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nsCOMPtr<nsIDOMWindowUtils> utils(GetDOMWindowUtils());
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utils->SetCSSViewport(aSize.width, aSize.height);
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}
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}
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CSSSize
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TabChildBase::GetPageSize(nsCOMPtr<nsIDocument> aDocument, const CSSSize& aViewport)
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{
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nsCOMPtr<Element> htmlDOMElement = aDocument->GetHtmlElement();
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HTMLBodyElement* bodyDOMElement = aDocument->GetBodyElement();
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if (!htmlDOMElement && !bodyDOMElement) {
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// For non-HTML content (e.g. SVG), just assume page size == viewport size.
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return aViewport;
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}
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int32_t htmlWidth = 0, htmlHeight = 0;
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if (htmlDOMElement) {
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htmlWidth = htmlDOMElement->ScrollWidth();
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htmlHeight = htmlDOMElement->ScrollHeight();
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}
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int32_t bodyWidth = 0, bodyHeight = 0;
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if (bodyDOMElement) {
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bodyWidth = bodyDOMElement->ScrollWidth();
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bodyHeight = bodyDOMElement->ScrollHeight();
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}
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return CSSSize(std::max(htmlWidth, bodyWidth),
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std::max(htmlHeight, bodyHeight));
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}
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bool
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TabChildBase::HandlePossibleViewportChange()
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{
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if (!IsAsyncPanZoomEnabled()) {
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return false;
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}
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nsCOMPtr<nsIDocument> document(GetDocument());
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nsCOMPtr<nsIDOMWindowUtils> utils(GetDOMWindowUtils());
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nsViewportInfo viewportInfo = nsContentUtils::GetViewportInfo(document, mInnerSize);
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uint32_t presShellId;
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mozilla::layers::FrameMetrics::ViewID viewId;
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bool scrollIdentifiersValid = APZCCallbackHelper::GetOrCreateScrollIdentifiers(
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document->GetDocumentElement(), &presShellId, &viewId);
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if (scrollIdentifiersValid) {
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ZoomConstraints constraints(
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viewportInfo.IsZoomAllowed(),
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viewportInfo.IsDoubleTapZoomAllowed(),
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viewportInfo.GetMinZoom(),
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viewportInfo.GetMaxZoom());
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DoUpdateZoomConstraints(presShellId,
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viewId,
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/* isRoot = */ true,
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constraints);
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}
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float screenW = mInnerSize.width;
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float screenH = mInnerSize.height;
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CSSSize viewport(viewportInfo.GetSize());
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// We're not being displayed in any way; don't bother doing anything because
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// that will just confuse future adjustments.
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if (!screenW || !screenH) {
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return false;
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}
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CSSSize oldBrowserSize = mOldViewportSize;
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mLastRootMetrics.mViewport.SizeTo(viewport);
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if (oldBrowserSize == CSSSize()) {
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oldBrowserSize = kDefaultViewportSize;
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}
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SetCSSViewport(viewport);
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// If this page has not been painted yet, then this must be getting run
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// because a meta-viewport element was added (via the DOMMetaAdded handler).
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// in this case, we should not do anything that forces a reflow (see bug
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// 759678) such as requesting the page size or sending a viewport update. this
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// code will get run again in the before-first-paint handler and that point we
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// will run though all of it. the reason we even bother executing up to this
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// point on the DOMMetaAdded handler is so that scripts that use
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// window.innerWidth before they are painted have a correct value (bug
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// 771575).
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if (!mContentDocumentIsDisplayed) {
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return false;
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}
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ScreenIntSize oldScreenSize = ViewAs<ScreenPixel>(
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RoundedToInt(mLastRootMetrics.mCompositionBounds).Size(),
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PixelCastJustification::ScreenToParentLayerForRoot);
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if (oldScreenSize == ScreenIntSize()) {
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oldScreenSize = mInnerSize;
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}
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FrameMetrics metrics(mLastRootMetrics);
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metrics.mViewport = CSSRect(CSSPoint(), viewport);
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metrics.mCompositionBounds = ParentLayerRect(
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ParentLayerPoint(),
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ParentLayerSize(ViewAs<ParentLayerPixel>(mInnerSize, PixelCastJustification::ScreenToParentLayerForRoot)));
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metrics.SetRootCompositionSize(
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ScreenSize(mInnerSize) * ScreenToLayoutDeviceScale(1.0f) / metrics.mDevPixelsPerCSSPixel);
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// This change to the zoom accounts for all types of changes I can conceive:
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// 1. screen size changes, CSS viewport does not (pages with no meta viewport
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// or a fixed size viewport)
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// 2. screen size changes, CSS viewport also does (pages with a device-width
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// viewport)
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// 3. screen size remains constant, but CSS viewport changes (meta viewport
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// tag is added or removed)
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// 4. neither screen size nor CSS viewport changes
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//
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// In all of these cases, we maintain how much actual content is visible
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// within the screen width. Note that "actual content" may be different with
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// respect to CSS pixels because of the CSS viewport size changing.
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float oldIntrinsicScale =
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std::max(oldScreenSize.width / oldBrowserSize.width,
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oldScreenSize.height / oldBrowserSize.height);
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metrics.ZoomBy(metrics.CalculateIntrinsicScale().scale / oldIntrinsicScale);
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// Changing the zoom when we're not doing a first paint will get ignored
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// by AsyncPanZoomController and causes a blurry flash.
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bool isFirstPaint;
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nsresult rv = utils->GetIsFirstPaint(&isFirstPaint);
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if (NS_FAILED(rv) || isFirstPaint) {
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// FIXME/bug 799585(?): GetViewportInfo() returns a defaultZoom of
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// 0.0 to mean "did not calculate a zoom". In that case, we default
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// it to the intrinsic scale.
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if (viewportInfo.GetDefaultZoom().scale < 0.01f) {
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viewportInfo.SetDefaultZoom(metrics.CalculateIntrinsicScale());
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}
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CSSToScreenScale defaultZoom = viewportInfo.GetDefaultZoom();
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MOZ_ASSERT(viewportInfo.GetMinZoom() <= defaultZoom &&
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defaultZoom <= viewportInfo.GetMaxZoom());
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metrics.SetZoom(defaultZoom);
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metrics.SetScrollId(viewId);
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}
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metrics.mCumulativeResolution = metrics.GetZoom() / metrics.mDevPixelsPerCSSPixel * ScreenToLayerScale(1);
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// This is the root layer, so the cumulative resolution is the same
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// as the resolution.
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metrics.mResolution = metrics.mCumulativeResolution / LayoutDeviceToParentLayerScale(1);
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utils->SetResolution(metrics.mResolution.scale, metrics.mResolution.scale);
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CSSSize scrollPort = metrics.CalculateCompositedSizeInCssPixels();
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utils->SetScrollPositionClampingScrollPortSize(scrollPort.width, scrollPort.height);
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// The call to GetPageSize forces a resize event to content, so we need to
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// make sure that we have the right CSS viewport and
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// scrollPositionClampingScrollPortSize set up before that happens.
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CSSSize pageSize = GetPageSize(document, viewport);
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if (!pageSize.width) {
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// Return early rather than divide by 0.
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return false;
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}
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metrics.mScrollableRect = CSSRect(CSSPoint(), pageSize);
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// Calculate a display port _after_ having a scrollable rect because the
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// display port is clamped to the scrollable rect.
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metrics.SetDisplayPortMargins(AsyncPanZoomController::CalculatePendingDisplayPort(
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// The page must have been refreshed in some way such as a new document or
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// new CSS viewport, so we know that there's no velocity, acceleration, and
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// we have no idea how long painting will take.
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metrics, ScreenPoint(0.0f, 0.0f), 0.0));
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metrics.SetUseDisplayPortMargins();
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// Force a repaint with these metrics. This, among other things, sets the
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// displayport, so we start with async painting.
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mLastRootMetrics = ProcessUpdateFrame(metrics);
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if (viewportInfo.IsZoomAllowed() && scrollIdentifiersValid) {
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// If the CSS viewport is narrower than the screen (i.e. width <= device-width)
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// then we disable double-tap-to-zoom behaviour.
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bool allowDoubleTapZoom = (viewport.width > screenW / metrics.mDevPixelsPerCSSPixel.scale);
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if (allowDoubleTapZoom != viewportInfo.IsDoubleTapZoomAllowed()) {
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viewportInfo.SetAllowDoubleTapZoom(allowDoubleTapZoom);
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ZoomConstraints constraints(
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viewportInfo.IsZoomAllowed(),
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viewportInfo.IsDoubleTapZoomAllowed(),
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viewportInfo.GetMinZoom(),
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viewportInfo.GetMaxZoom());
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DoUpdateZoomConstraints(presShellId,
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viewId,
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/* isRoot = */ true,
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constraints);
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}
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}
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return true;
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}
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already_AddRefed<nsIDOMWindowUtils>
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TabChildBase::GetDOMWindowUtils()
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{
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nsCOMPtr<nsPIDOMWindow> window = do_GetInterface(WebNavigation());
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nsCOMPtr<nsIDOMWindowUtils> utils = do_GetInterface(window);
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return utils.forget();
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}
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already_AddRefed<nsIDocument>
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TabChildBase::GetDocument()
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{
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nsCOMPtr<nsIDOMDocument> domDoc;
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WebNavigation()->GetDocument(getter_AddRefs(domDoc));
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nsCOMPtr<nsIDocument> doc(do_QueryInterface(domDoc));
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return doc.forget();
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}
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void
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TabChildBase::DispatchMessageManagerMessage(const nsAString& aMessageName,
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const nsAString& aJSONData)
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{
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AutoSafeJSContext cx;
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JS::Rooted<JS::Value> json(cx, JSVAL_NULL);
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StructuredCloneData cloneData;
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JSAutoStructuredCloneBuffer buffer;
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if (JS_ParseJSON(cx,
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static_cast<const jschar*>(aJSONData.BeginReading()),
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aJSONData.Length(),
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&json)) {
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WriteStructuredClone(cx, json, buffer, cloneData.mClosure);
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cloneData.mData = buffer.data();
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cloneData.mDataLength = buffer.nbytes();
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}
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nsCOMPtr<nsIXPConnectJSObjectHolder> kungFuDeathGrip(GetGlobal());
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// Let the BrowserElementScrolling helper (if it exists) for this
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// content manipulate the frame state.
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nsRefPtr<nsFrameMessageManager> mm =
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static_cast<nsFrameMessageManager*>(mTabChildGlobal->mMessageManager.get());
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mm->ReceiveMessage(static_cast<EventTarget*>(mTabChildGlobal),
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aMessageName, false, &cloneData, nullptr, nullptr, nullptr);
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}
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bool
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TabChildBase::UpdateFrameHandler(const FrameMetrics& aFrameMetrics)
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{
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MOZ_ASSERT(aFrameMetrics.GetScrollId() != FrameMetrics::NULL_SCROLL_ID);
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if (aFrameMetrics.mIsRoot) {
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nsCOMPtr<nsIDOMWindowUtils> utils(GetDOMWindowUtils());
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if (APZCCallbackHelper::HasValidPresShellId(utils, aFrameMetrics)) {
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mLastRootMetrics = ProcessUpdateFrame(aFrameMetrics);
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APZCCallbackHelper::UpdateCallbackTransform(aFrameMetrics, mLastRootMetrics);
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return true;
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}
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} else {
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// aFrameMetrics.mIsRoot is false, so we are trying to update a subframe.
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// This requires special handling.
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nsCOMPtr<nsIContent> content = nsLayoutUtils::FindContentFor(
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aFrameMetrics.GetScrollId());
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if (content) {
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FrameMetrics newSubFrameMetrics(aFrameMetrics);
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APZCCallbackHelper::UpdateSubFrame(content, newSubFrameMetrics);
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APZCCallbackHelper::UpdateCallbackTransform(aFrameMetrics, newSubFrameMetrics);
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return true;
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}
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}
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// We've recieved a message that is out of date and we want to ignore.
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// However we can't reply without painting so we reply by painting the
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// exact same thing as we did before.
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mLastRootMetrics = ProcessUpdateFrame(mLastRootMetrics);
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return true;
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}
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FrameMetrics
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TabChildBase::ProcessUpdateFrame(const FrameMetrics& aFrameMetrics)
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{
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if (!mGlobal || !mTabChildGlobal) {
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return aFrameMetrics;
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}
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|
|
nsCOMPtr<nsIDOMWindowUtils> utils(GetDOMWindowUtils());
|
|
|
|
FrameMetrics newMetrics = aFrameMetrics;
|
|
APZCCallbackHelper::UpdateRootFrame(utils, newMetrics);
|
|
|
|
CSSSize cssCompositedSize = newMetrics.CalculateCompositedSizeInCssPixels();
|
|
// The BrowserElementScrolling helper must know about these updated metrics
|
|
// for other functions it performs, such as double tap handling.
|
|
// Note, %f must not be used because it is locale specific!
|
|
nsString data;
|
|
data.AppendPrintf("{ \"x\" : %d", NS_lround(newMetrics.GetScrollOffset().x));
|
|
data.AppendPrintf(", \"y\" : %d", NS_lround(newMetrics.GetScrollOffset().y));
|
|
data.AppendLiteral(", \"viewport\" : ");
|
|
data.AppendLiteral("{ \"width\" : ");
|
|
data.AppendFloat(newMetrics.mViewport.width);
|
|
data.AppendLiteral(", \"height\" : ");
|
|
data.AppendFloat(newMetrics.mViewport.height);
|
|
data.AppendLiteral(" }");
|
|
data.AppendLiteral(", \"cssPageRect\" : ");
|
|
data.AppendLiteral("{ \"x\" : ");
|
|
data.AppendFloat(newMetrics.mScrollableRect.x);
|
|
data.AppendLiteral(", \"y\" : ");
|
|
data.AppendFloat(newMetrics.mScrollableRect.y);
|
|
data.AppendLiteral(", \"width\" : ");
|
|
data.AppendFloat(newMetrics.mScrollableRect.width);
|
|
data.AppendLiteral(", \"height\" : ");
|
|
data.AppendFloat(newMetrics.mScrollableRect.height);
|
|
data.AppendLiteral(" }");
|
|
data.AppendPrintf(", \"resolution\" : "); // TODO: check if it's actually used?
|
|
data.AppendPrintf("{ \"width\" : ");
|
|
data.AppendFloat(newMetrics.CalculateIntrinsicScale().scale);
|
|
data.AppendPrintf(" }");
|
|
data.AppendLiteral(", \"cssCompositedRect\" : ");
|
|
data.AppendLiteral("{ \"width\" : ");
|
|
data.AppendFloat(cssCompositedSize.width);
|
|
data.AppendLiteral(", \"height\" : ");
|
|
data.AppendFloat(cssCompositedSize.height);
|
|
data.AppendLiteral(" }");
|
|
data.AppendLiteral(" }");
|
|
|
|
DispatchMessageManagerMessage(NS_LITERAL_STRING("Viewport:Change"), data);
|
|
return newMetrics;
|
|
}
|
|
|
|
nsEventStatus
|
|
TabChildBase::DispatchSynthesizedMouseEvent(uint32_t aMsg, uint64_t aTime,
|
|
const LayoutDevicePoint& aRefPoint,
|
|
nsIWidget* aWidget)
|
|
{
|
|
MOZ_ASSERT(aMsg == NS_MOUSE_MOVE || aMsg == NS_MOUSE_BUTTON_DOWN ||
|
|
aMsg == NS_MOUSE_BUTTON_UP || aMsg == NS_MOUSE_MOZLONGTAP);
|
|
|
|
WidgetMouseEvent event(true, aMsg, nullptr,
|
|
WidgetMouseEvent::eReal, WidgetMouseEvent::eNormal);
|
|
event.refPoint = LayoutDeviceIntPoint(aRefPoint.x, aRefPoint.y);
|
|
event.time = aTime;
|
|
event.button = WidgetMouseEvent::eLeftButton;
|
|
event.inputSource = nsIDOMMouseEvent::MOZ_SOURCE_TOUCH;
|
|
if (aMsg != NS_MOUSE_MOVE) {
|
|
event.clickCount = 1;
|
|
}
|
|
event.widget = aWidget;
|
|
|
|
return DispatchWidgetEvent(event);
|
|
}
|
|
|
|
nsEventStatus
|
|
TabChildBase::DispatchWidgetEvent(WidgetGUIEvent& event)
|
|
{
|
|
if (!event.widget)
|
|
return nsEventStatus_eConsumeNoDefault;
|
|
|
|
nsEventStatus status;
|
|
NS_ENSURE_SUCCESS(event.widget->DispatchEvent(&event, status),
|
|
nsEventStatus_eConsumeNoDefault);
|
|
return status;
|
|
}
|
|
|
|
bool
|
|
TabChildBase::IsAsyncPanZoomEnabled()
|
|
{
|
|
return mScrolling == ASYNC_PAN_ZOOM;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
ContentListener::HandleEvent(nsIDOMEvent* aEvent)
|
|
{
|
|
RemoteDOMEvent remoteEvent;
|
|
remoteEvent.mEvent = do_QueryInterface(aEvent);
|
|
NS_ENSURE_STATE(remoteEvent.mEvent);
|
|
mTabChild->SendEvent(remoteEvent);
|
|
return NS_OK;
|
|
}
|
|
|
|
class TabChild::CachedFileDescriptorInfo
|
|
{
|
|
struct PathOnlyComparatorHelper
|
|
{
|
|
bool Equals(const nsAutoPtr<CachedFileDescriptorInfo>& a,
|
|
const CachedFileDescriptorInfo& b) const
|
|
{
|
|
return a->mPath == b.mPath;
|
|
}
|
|
};
|
|
|
|
struct PathAndCallbackComparatorHelper
|
|
{
|
|
bool Equals(const nsAutoPtr<CachedFileDescriptorInfo>& a,
|
|
const CachedFileDescriptorInfo& b) const
|
|
{
|
|
return a->mPath == b.mPath &&
|
|
a->mCallback == b.mCallback;
|
|
}
|
|
};
|
|
|
|
public:
|
|
nsString mPath;
|
|
FileDescriptor mFileDescriptor;
|
|
nsCOMPtr<nsICachedFileDescriptorListener> mCallback;
|
|
bool mCanceled;
|
|
|
|
CachedFileDescriptorInfo(const nsAString& aPath)
|
|
: mPath(aPath), mCanceled(false)
|
|
{ }
|
|
|
|
CachedFileDescriptorInfo(const nsAString& aPath,
|
|
const FileDescriptor& aFileDescriptor)
|
|
: mPath(aPath), mFileDescriptor(aFileDescriptor), mCanceled(false)
|
|
{ }
|
|
|
|
CachedFileDescriptorInfo(const nsAString& aPath,
|
|
nsICachedFileDescriptorListener* aCallback)
|
|
: mPath(aPath), mCallback(aCallback), mCanceled(false)
|
|
{ }
|
|
|
|
PathOnlyComparatorHelper PathOnlyComparator() const
|
|
{
|
|
return PathOnlyComparatorHelper();
|
|
}
|
|
|
|
PathAndCallbackComparatorHelper PathAndCallbackComparator() const
|
|
{
|
|
return PathAndCallbackComparatorHelper();
|
|
}
|
|
|
|
void FireCallback() const
|
|
{
|
|
mCallback->OnCachedFileDescriptor(mPath, mFileDescriptor);
|
|
}
|
|
};
|
|
|
|
class TabChild::CachedFileDescriptorCallbackRunnable : public nsRunnable
|
|
{
|
|
typedef TabChild::CachedFileDescriptorInfo CachedFileDescriptorInfo;
|
|
|
|
nsAutoPtr<CachedFileDescriptorInfo> mInfo;
|
|
|
|
public:
|
|
CachedFileDescriptorCallbackRunnable(CachedFileDescriptorInfo* aInfo)
|
|
: mInfo(aInfo)
|
|
{
|
|
MOZ_ASSERT(NS_IsMainThread());
|
|
MOZ_ASSERT(aInfo);
|
|
MOZ_ASSERT(!aInfo->mPath.IsEmpty());
|
|
MOZ_ASSERT(aInfo->mCallback);
|
|
}
|
|
|
|
void Dispatch()
|
|
{
|
|
MOZ_ASSERT(NS_IsMainThread());
|
|
|
|
nsresult rv = NS_DispatchToCurrentThread(this);
|
|
NS_ENSURE_SUCCESS_VOID(rv);
|
|
}
|
|
|
|
private:
|
|
NS_IMETHOD Run()
|
|
{
|
|
MOZ_ASSERT(NS_IsMainThread());
|
|
MOZ_ASSERT(mInfo);
|
|
|
|
mInfo->FireCallback();
|
|
return NS_OK;
|
|
}
|
|
};
|
|
|
|
StaticRefPtr<TabChild> sPreallocatedTab;
|
|
|
|
/*static*/
|
|
std::map<uint64_t, nsRefPtr<TabChild> >&
|
|
TabChild::NestedTabChildMap()
|
|
{
|
|
MOZ_ASSERT(NS_IsMainThread());
|
|
static std::map<uint64_t, nsRefPtr<TabChild> > sNestedTabChildMap;
|
|
return sNestedTabChildMap;
|
|
}
|
|
|
|
/*static*/ void
|
|
TabChild::PreloadSlowThings()
|
|
{
|
|
MOZ_ASSERT(!sPreallocatedTab);
|
|
|
|
nsRefPtr<TabChild> tab(new TabChild(ContentChild::GetSingleton(),
|
|
TabContext(), /* chromeFlags */ 0));
|
|
if (!NS_SUCCEEDED(tab->Init()) ||
|
|
!tab->InitTabChildGlobal(DONT_LOAD_SCRIPTS)) {
|
|
return;
|
|
}
|
|
// Just load and compile these scripts, but don't run them.
|
|
tab->TryCacheLoadAndCompileScript(BROWSER_ELEMENT_CHILD_SCRIPT, true);
|
|
// Load, compile, and run these scripts.
|
|
tab->RecvLoadRemoteScript(
|
|
NS_LITERAL_STRING("chrome://global/content/preload.js"),
|
|
true);
|
|
|
|
nsCOMPtr<nsIDocShell> docShell = do_GetInterface(tab->WebNavigation());
|
|
if (nsIPresShell* presShell = docShell->GetPresShell()) {
|
|
// Initialize and do an initial reflow of the about:blank
|
|
// PresShell to let it preload some things for us.
|
|
presShell->Initialize(0, 0);
|
|
nsIDocument* doc = presShell->GetDocument();
|
|
doc->FlushPendingNotifications(Flush_Layout);
|
|
// ... but after it's done, make sure it doesn't do any more
|
|
// work.
|
|
presShell->MakeZombie();
|
|
}
|
|
|
|
sPreallocatedTab = tab;
|
|
ClearOnShutdown(&sPreallocatedTab);
|
|
}
|
|
|
|
/*static*/ already_AddRefed<TabChild>
|
|
TabChild::Create(nsIContentChild* aManager, const TabContext &aContext, uint32_t aChromeFlags)
|
|
{
|
|
if (sPreallocatedTab &&
|
|
sPreallocatedTab->mChromeFlags == aChromeFlags &&
|
|
aContext.IsBrowserOrApp()) {
|
|
|
|
nsRefPtr<TabChild> child = sPreallocatedTab.get();
|
|
sPreallocatedTab = nullptr;
|
|
|
|
MOZ_ASSERT(!child->mTriedBrowserInit);
|
|
|
|
child->SetTabContext(aContext);
|
|
child->NotifyTabContextUpdated();
|
|
return child.forget();
|
|
}
|
|
|
|
nsRefPtr<TabChild> iframe = new TabChild(aManager,
|
|
aContext, aChromeFlags);
|
|
return NS_SUCCEEDED(iframe->Init()) ? iframe.forget() : nullptr;
|
|
}
|
|
|
|
|
|
TabChild::TabChild(nsIContentChild* aManager, const TabContext& aContext, uint32_t aChromeFlags)
|
|
: TabContext(aContext)
|
|
, mRemoteFrame(nullptr)
|
|
, mManager(aManager)
|
|
, mChromeFlags(aChromeFlags)
|
|
, mLayersId(0)
|
|
, mOuterRect(0, 0, 0, 0)
|
|
, mActivePointerId(-1)
|
|
, mTapHoldTimer(nullptr)
|
|
, mAppPackageFileDescriptorRecved(false)
|
|
, mLastBackgroundColor(NS_RGB(255, 255, 255))
|
|
, mDidFakeShow(false)
|
|
, mNotified(false)
|
|
, mTriedBrowserInit(false)
|
|
, mOrientation(eScreenOrientation_PortraitPrimary)
|
|
, mUpdateHitRegion(false)
|
|
, mPendingTouchPreventedResponse(false)
|
|
, mIgnoreKeyPressEvent(false)
|
|
, mActiveElementManager(new ActiveElementManager())
|
|
, mHasValidInnerSize(false)
|
|
, mUniqueId(0)
|
|
{
|
|
if (!sActiveDurationMsSet) {
|
|
Preferences::AddIntVarCache(&sActiveDurationMs,
|
|
"ui.touch_activation.duration_ms",
|
|
sActiveDurationMs);
|
|
sActiveDurationMsSet = true;
|
|
}
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
TabChild::HandleEvent(nsIDOMEvent* aEvent)
|
|
{
|
|
nsAutoString eventType;
|
|
aEvent->GetType(eventType);
|
|
if (eventType.EqualsLiteral("DOMMetaAdded")) {
|
|
// This meta data may or may not have been a meta viewport tag. If it was,
|
|
// we should handle it immediately.
|
|
HandlePossibleViewportChange();
|
|
}
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
TabChild::Observe(nsISupports *aSubject,
|
|
const char *aTopic,
|
|
const char16_t *aData)
|
|
{
|
|
if (!strcmp(aTopic, BROWSER_ZOOM_TO_RECT)) {
|
|
nsCOMPtr<nsIDocShell> docShell(do_QueryInterface(aSubject));
|
|
nsCOMPtr<nsITabChild> tabChild(TabChild::GetFrom(docShell));
|
|
if (tabChild == this) {
|
|
nsCOMPtr<nsIDocument> doc(GetDocument());
|
|
uint32_t presShellId;
|
|
ViewID viewId;
|
|
if (APZCCallbackHelper::GetOrCreateScrollIdentifiers(doc->GetDocumentElement(),
|
|
&presShellId, &viewId)) {
|
|
CSSRect rect;
|
|
sscanf(NS_ConvertUTF16toUTF8(aData).get(),
|
|
"{\"x\":%f,\"y\":%f,\"w\":%f,\"h\":%f}",
|
|
&rect.x, &rect.y, &rect.width, &rect.height);
|
|
SendZoomToRect(presShellId, viewId, rect);
|
|
}
|
|
}
|
|
} else if (!strcmp(aTopic, BEFORE_FIRST_PAINT)) {
|
|
if (IsAsyncPanZoomEnabled()) {
|
|
nsCOMPtr<nsIDocument> subject(do_QueryInterface(aSubject));
|
|
nsCOMPtr<nsIDocument> doc(GetDocument());
|
|
|
|
if (SameCOMIdentity(subject, doc)) {
|
|
nsCOMPtr<nsIDOMWindowUtils> utils(GetDOMWindowUtils());
|
|
utils->SetIsFirstPaint(true);
|
|
|
|
mContentDocumentIsDisplayed = true;
|
|
|
|
// Reset CSS viewport and zoom to default on new page, then
|
|
// calculate them properly using the actual metadata from the
|
|
// page.
|
|
SetCSSViewport(kDefaultViewportSize);
|
|
|
|
// In some cases before-first-paint gets called before
|
|
// RecvUpdateDimensions is called and therefore before we have an
|
|
// mInnerSize value set. In such cases defer initializing the viewport
|
|
// until we we get an inner size.
|
|
if (HasValidInnerSize()) {
|
|
InitializeRootMetrics();
|
|
utils->SetResolution(mLastRootMetrics.mResolution.scale,
|
|
mLastRootMetrics.mResolution.scale);
|
|
HandlePossibleViewportChange();
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
TabChild::OnStateChange(nsIWebProgress* aWebProgress,
|
|
nsIRequest* aRequest,
|
|
uint32_t aStateFlags,
|
|
nsresult aStatus)
|
|
{
|
|
NS_NOTREACHED("not implemented in TabChild");
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
TabChild::OnProgressChange(nsIWebProgress* aWebProgress,
|
|
nsIRequest* aRequest,
|
|
int32_t aCurSelfProgress,
|
|
int32_t aMaxSelfProgress,
|
|
int32_t aCurTotalProgress,
|
|
int32_t aMaxTotalProgress)
|
|
{
|
|
NS_NOTREACHED("not implemented in TabChild");
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
TabChild::OnLocationChange(nsIWebProgress* aWebProgress,
|
|
nsIRequest* aRequest,
|
|
nsIURI *aLocation,
|
|
uint32_t aFlags)
|
|
{
|
|
if (!IsAsyncPanZoomEnabled()) {
|
|
return NS_OK;
|
|
}
|
|
|
|
nsCOMPtr<nsIDOMWindow> window;
|
|
aWebProgress->GetDOMWindow(getter_AddRefs(window));
|
|
if (!window) {
|
|
return NS_OK;
|
|
}
|
|
|
|
nsCOMPtr<nsIDOMDocument> progressDoc;
|
|
window->GetDocument(getter_AddRefs(progressDoc));
|
|
if (!progressDoc) {
|
|
return NS_OK;
|
|
}
|
|
|
|
nsCOMPtr<nsIDOMDocument> domDoc;
|
|
WebNavigation()->GetDocument(getter_AddRefs(domDoc));
|
|
if (!domDoc || !SameCOMIdentity(domDoc, progressDoc)) {
|
|
return NS_OK;
|
|
}
|
|
|
|
nsCOMPtr<nsIURIFixup> urifixup(do_GetService(NS_URIFIXUP_CONTRACTID));
|
|
if (!urifixup) {
|
|
return NS_OK;
|
|
}
|
|
|
|
nsCOMPtr<nsIURI> exposableURI;
|
|
urifixup->CreateExposableURI(aLocation, getter_AddRefs(exposableURI));
|
|
if (!exposableURI) {
|
|
return NS_OK;
|
|
}
|
|
|
|
if (!(aFlags & nsIWebProgressListener::LOCATION_CHANGE_SAME_DOCUMENT)) {
|
|
mContentDocumentIsDisplayed = false;
|
|
} else if (mLastURI != nullptr) {
|
|
bool exposableEqualsLast, exposableEqualsNew;
|
|
exposableURI->Equals(mLastURI.get(), &exposableEqualsLast);
|
|
exposableURI->Equals(aLocation, &exposableEqualsNew);
|
|
if (exposableEqualsLast && !exposableEqualsNew) {
|
|
mContentDocumentIsDisplayed = false;
|
|
}
|
|
}
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
TabChild::OnStatusChange(nsIWebProgress* aWebProgress,
|
|
nsIRequest* aRequest,
|
|
nsresult aStatus,
|
|
const char16_t* aMessage)
|
|
{
|
|
NS_NOTREACHED("not implemented in TabChild");
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
TabChild::OnSecurityChange(nsIWebProgress* aWebProgress,
|
|
nsIRequest* aRequest,
|
|
uint32_t aState)
|
|
{
|
|
NS_NOTREACHED("not implemented in TabChild");
|
|
return NS_OK;
|
|
}
|
|
|
|
bool
|
|
TabChild::DoUpdateZoomConstraints(const uint32_t& aPresShellId,
|
|
const ViewID& aViewId,
|
|
const bool& aIsRoot,
|
|
const ZoomConstraints& aConstraints)
|
|
{
|
|
return SendUpdateZoomConstraints(aPresShellId,
|
|
aViewId,
|
|
aIsRoot,
|
|
aConstraints);
|
|
}
|
|
|
|
nsresult
|
|
TabChild::Init()
|
|
{
|
|
nsCOMPtr<nsIWebBrowser> webBrowser = do_CreateInstance(NS_WEBBROWSER_CONTRACTID);
|
|
if (!webBrowser) {
|
|
NS_ERROR("Couldn't create a nsWebBrowser?");
|
|
return NS_ERROR_FAILURE;
|
|
}
|
|
|
|
webBrowser->SetContainerWindow(this);
|
|
mWebNav = do_QueryInterface(webBrowser);
|
|
NS_ASSERTION(mWebNav, "nsWebBrowser doesn't implement nsIWebNavigation?");
|
|
|
|
nsCOMPtr<nsIDocShellTreeItem> docShellItem(do_QueryInterface(WebNavigation()));
|
|
docShellItem->SetItemType(nsIDocShellTreeItem::typeContentWrapper);
|
|
|
|
nsCOMPtr<nsIBaseWindow> baseWindow = do_QueryInterface(WebNavigation());
|
|
if (!baseWindow) {
|
|
NS_ERROR("mWebNav doesn't QI to nsIBaseWindow");
|
|
return NS_ERROR_FAILURE;
|
|
}
|
|
|
|
mWidget = nsIWidget::CreatePuppetWidget(this);
|
|
if (!mWidget) {
|
|
NS_ERROR("couldn't create fake widget");
|
|
return NS_ERROR_FAILURE;
|
|
}
|
|
mWidget->Create(
|
|
nullptr, 0, // no parents
|
|
nsIntRect(nsIntPoint(0, 0), nsIntSize(0, 0)),
|
|
nullptr, // HandleWidgetEvent
|
|
nullptr // nsDeviceContext
|
|
);
|
|
|
|
baseWindow->InitWindow(0, mWidget, 0, 0, 0, 0);
|
|
baseWindow->Create();
|
|
|
|
NotifyTabContextUpdated();
|
|
|
|
// IPC uses a WebBrowser object for which DNS prefetching is turned off
|
|
// by default. But here we really want it, so enable it explicitly
|
|
nsCOMPtr<nsIWebBrowserSetup> webBrowserSetup =
|
|
do_QueryInterface(baseWindow);
|
|
if (webBrowserSetup) {
|
|
webBrowserSetup->SetProperty(nsIWebBrowserSetup::SETUP_ALLOW_DNS_PREFETCH,
|
|
true);
|
|
} else {
|
|
NS_WARNING("baseWindow doesn't QI to nsIWebBrowserSetup, skipping "
|
|
"DNS prefetching enable step.");
|
|
}
|
|
|
|
nsCOMPtr<nsIDocShell> docShell = do_GetInterface(WebNavigation());
|
|
MOZ_ASSERT(docShell);
|
|
|
|
docShell->SetAffectPrivateSessionLifetime(
|
|
mChromeFlags & nsIWebBrowserChrome::CHROME_PRIVATE_LIFETIME);
|
|
nsCOMPtr<nsILoadContext> loadContext = do_GetInterface(WebNavigation());
|
|
MOZ_ASSERT(loadContext);
|
|
loadContext->SetPrivateBrowsing(
|
|
mChromeFlags & nsIWebBrowserChrome::CHROME_PRIVATE_WINDOW);
|
|
loadContext->SetRemoteTabs(
|
|
mChromeFlags & nsIWebBrowserChrome::CHROME_REMOTE_WINDOW);
|
|
|
|
nsCOMPtr<nsIWebProgress> webProgress = do_GetInterface(docShell);
|
|
NS_ENSURE_TRUE(webProgress, NS_ERROR_FAILURE);
|
|
webProgress->AddProgressListener(this, nsIWebProgress::NOTIFY_LOCATION);
|
|
|
|
// Few lines before, baseWindow->Create() will end up creating a new
|
|
// window root in nsGlobalWindow::SetDocShell.
|
|
// Then this chrome event handler, will be inherited to inner windows.
|
|
// We want to also set it to the docshell so that inner windows
|
|
// and any code that has access to the docshell
|
|
// can all listen to the same chrome event handler.
|
|
// XXX: ideally, we would set a chrome event handler earlier,
|
|
// and all windows, even the root one, will use the docshell one.
|
|
nsCOMPtr<nsPIDOMWindow> window = do_GetInterface(WebNavigation());
|
|
NS_ENSURE_TRUE(window, NS_ERROR_FAILURE);
|
|
nsCOMPtr<EventTarget> chromeHandler =
|
|
do_QueryInterface(window->GetChromeEventHandler());
|
|
docShell->SetChromeEventHandler(chromeHandler);
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
void
|
|
TabChild::NotifyTabContextUpdated()
|
|
{
|
|
nsCOMPtr<nsIDocShell> docShell = do_GetInterface(WebNavigation());
|
|
MOZ_ASSERT(docShell);
|
|
|
|
if (docShell) {
|
|
// nsDocShell will do the right thing if we pass NO_APP_ID or
|
|
// UNKNOWN_APP_ID for aOwnOrContainingAppId.
|
|
if (IsBrowserElement()) {
|
|
docShell->SetIsBrowserInsideApp(BrowserOwnerAppId());
|
|
} else {
|
|
docShell->SetIsApp(OwnAppId());
|
|
}
|
|
}
|
|
}
|
|
|
|
NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION_INHERITED(TabChild)
|
|
NS_INTERFACE_MAP_ENTRY(nsIWebBrowserChrome)
|
|
NS_INTERFACE_MAP_ENTRY(nsIWebBrowserChrome2)
|
|
NS_INTERFACE_MAP_ENTRY(nsIEmbeddingSiteWindow)
|
|
NS_INTERFACE_MAP_ENTRY(nsIWebBrowserChromeFocus)
|
|
NS_INTERFACE_MAP_ENTRY(nsIInterfaceRequestor)
|
|
NS_INTERFACE_MAP_ENTRY(nsIWindowProvider)
|
|
NS_INTERFACE_MAP_ENTRY(nsIDOMEventListener)
|
|
NS_INTERFACE_MAP_ENTRY(nsIWebProgressListener)
|
|
NS_INTERFACE_MAP_ENTRY(nsITabChild)
|
|
NS_INTERFACE_MAP_ENTRY(nsIObserver)
|
|
NS_INTERFACE_MAP_ENTRY(nsISupportsWeakReference)
|
|
NS_INTERFACE_MAP_ENTRY(nsITooltipListener)
|
|
NS_INTERFACE_MAP_END_INHERITING(TabChildBase)
|
|
|
|
NS_IMPL_ADDREF_INHERITED(TabChild, TabChildBase);
|
|
NS_IMPL_RELEASE_INHERITED(TabChild, TabChildBase);
|
|
|
|
NS_IMETHODIMP
|
|
TabChild::SetStatus(uint32_t aStatusType, const char16_t* aStatus)
|
|
{
|
|
return SetStatusWithContext(aStatusType,
|
|
aStatus ? static_cast<const nsString &>(nsDependentString(aStatus))
|
|
: EmptyString(),
|
|
nullptr);
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
TabChild::GetWebBrowser(nsIWebBrowser** aWebBrowser)
|
|
{
|
|
NS_NOTREACHED("TabChild::GetWebBrowser not supported in TabChild");
|
|
|
|
return NS_ERROR_NOT_IMPLEMENTED;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
TabChild::SetWebBrowser(nsIWebBrowser* aWebBrowser)
|
|
{
|
|
NS_NOTREACHED("TabChild::SetWebBrowser not supported in TabChild");
|
|
|
|
return NS_ERROR_NOT_IMPLEMENTED;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
TabChild::GetChromeFlags(uint32_t* aChromeFlags)
|
|
{
|
|
*aChromeFlags = mChromeFlags;
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
TabChild::SetChromeFlags(uint32_t aChromeFlags)
|
|
{
|
|
NS_NOTREACHED("trying to SetChromeFlags from content process?");
|
|
|
|
return NS_ERROR_NOT_IMPLEMENTED;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
TabChild::DestroyBrowserWindow()
|
|
{
|
|
NS_NOTREACHED("TabChild::DestroyBrowserWindow not supported in TabChild");
|
|
|
|
return NS_ERROR_NOT_IMPLEMENTED;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
TabChild::SizeBrowserTo(int32_t aCX, int32_t aCY)
|
|
{
|
|
NS_NOTREACHED("TabChild::SizeBrowserTo not supported in TabChild");
|
|
|
|
return NS_ERROR_NOT_IMPLEMENTED;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
TabChild::ShowAsModal()
|
|
{
|
|
NS_NOTREACHED("TabChild::ShowAsModal not supported in TabChild");
|
|
|
|
return NS_ERROR_NOT_IMPLEMENTED;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
TabChild::IsWindowModal(bool* aRetVal)
|
|
{
|
|
*aRetVal = false;
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
TabChild::ExitModalEventLoop(nsresult aStatus)
|
|
{
|
|
NS_NOTREACHED("TabChild::ExitModalEventLoop not supported in TabChild");
|
|
|
|
return NS_ERROR_NOT_IMPLEMENTED;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
TabChild::SetStatusWithContext(uint32_t aStatusType,
|
|
const nsAString& aStatusText,
|
|
nsISupports* aStatusContext)
|
|
{
|
|
// We can only send the status after the ipc machinery is set up,
|
|
// mRemoteFrame is a good indicator.
|
|
if (mRemoteFrame)
|
|
SendSetStatus(aStatusType, nsString(aStatusText));
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
TabChild::SetDimensions(uint32_t aFlags, int32_t aX, int32_t aY,
|
|
int32_t aCx, int32_t aCy)
|
|
{
|
|
NS_NOTREACHED("TabChild::SetDimensions not supported in TabChild");
|
|
|
|
return NS_ERROR_NOT_IMPLEMENTED;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
TabChild::GetDimensions(uint32_t aFlags, int32_t* aX,
|
|
int32_t* aY, int32_t* aCx, int32_t* aCy)
|
|
{
|
|
if (aX) {
|
|
*aX = mOuterRect.x;
|
|
}
|
|
if (aY) {
|
|
*aY = mOuterRect.y;
|
|
}
|
|
if (aCx) {
|
|
*aCx = mOuterRect.width;
|
|
}
|
|
if (aCy) {
|
|
*aCy = mOuterRect.height;
|
|
}
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
TabChild::SetFocus()
|
|
{
|
|
NS_WARNING("TabChild::SetFocus not supported in TabChild");
|
|
|
|
return NS_ERROR_NOT_IMPLEMENTED;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
TabChild::GetVisibility(bool* aVisibility)
|
|
{
|
|
*aVisibility = true;
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
TabChild::SetVisibility(bool aVisibility)
|
|
{
|
|
// should the platform support this? Bug 666365
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
TabChild::GetTitle(char16_t** aTitle)
|
|
{
|
|
NS_NOTREACHED("TabChild::GetTitle not supported in TabChild");
|
|
|
|
return NS_ERROR_NOT_IMPLEMENTED;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
TabChild::SetTitle(const char16_t* aTitle)
|
|
{
|
|
// JavaScript sends the "DOMTitleChanged" event to the parent
|
|
// via the message manager.
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
TabChild::GetSiteWindow(void** aSiteWindow)
|
|
{
|
|
NS_NOTREACHED("TabChild::GetSiteWindow not supported in TabChild");
|
|
|
|
return NS_ERROR_NOT_IMPLEMENTED;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
TabChild::Blur()
|
|
{
|
|
NS_WARNING("TabChild::Blur not supported in TabChild");
|
|
|
|
return NS_ERROR_NOT_IMPLEMENTED;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
TabChild::FocusNextElement()
|
|
{
|
|
SendMoveFocus(true);
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
TabChild::FocusPrevElement()
|
|
{
|
|
SendMoveFocus(false);
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
TabChild::GetInterface(const nsIID & aIID, void **aSink)
|
|
{
|
|
// XXXbz should we restrict the set of interfaces we hand out here?
|
|
// See bug 537429
|
|
return QueryInterface(aIID, aSink);
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
TabChild::ProvideWindow(nsIDOMWindow* aParent, uint32_t aChromeFlags,
|
|
bool aCalledFromJS,
|
|
bool aPositionSpecified, bool aSizeSpecified,
|
|
nsIURI* aURI, const nsAString& aName,
|
|
const nsACString& aFeatures, bool* aWindowIsNew,
|
|
nsIDOMWindow** aReturn)
|
|
{
|
|
*aReturn = nullptr;
|
|
|
|
// If aParent is inside an <iframe mozbrowser> or <iframe mozapp> and this
|
|
// isn't a request to open a modal-type window, we're going to create a new
|
|
// <iframe mozbrowser/mozapp> and return its window here.
|
|
nsCOMPtr<nsIDocShell> docshell = do_GetInterface(aParent);
|
|
if (docshell && docshell->GetIsInBrowserOrApp() &&
|
|
!(aChromeFlags & (nsIWebBrowserChrome::CHROME_MODAL |
|
|
nsIWebBrowserChrome::CHROME_OPENAS_DIALOG |
|
|
nsIWebBrowserChrome::CHROME_OPENAS_CHROME))) {
|
|
|
|
// Note that BrowserFrameProvideWindow may return NS_ERROR_ABORT if the
|
|
// open window call was canceled. It's important that we pass this error
|
|
// code back to our caller.
|
|
return BrowserFrameProvideWindow(aParent, aURI, aName, aFeatures,
|
|
aWindowIsNew, aReturn);
|
|
}
|
|
|
|
int32_t openLocation =
|
|
nsWindowWatcher::GetWindowOpenLocation(aParent, aChromeFlags, aCalledFromJS,
|
|
aPositionSpecified, aSizeSpecified);
|
|
|
|
// If it turns out we're opening in the current browser, just hand over the
|
|
// current browser's docshell.
|
|
if (openLocation == nsIBrowserDOMWindow::OPEN_CURRENTWINDOW) {
|
|
nsCOMPtr<nsIWebBrowser> browser = do_GetInterface(WebNavigation());
|
|
*aWindowIsNew = false;
|
|
return browser->GetContentDOMWindow(aReturn);
|
|
}
|
|
|
|
// Otherwise, we're opening a new tab or a new window. We have to contact
|
|
// TabParent in order to do either.
|
|
|
|
PBrowserChild* newChild;
|
|
|
|
nsAutoCString uriString;
|
|
if (aURI) {
|
|
aURI->GetSpec(uriString);
|
|
}
|
|
|
|
nsCOMPtr<nsIDOMDocument> domDoc;
|
|
aParent->GetDocument(getter_AddRefs(domDoc));
|
|
if (!domDoc) {
|
|
NS_ERROR("Could retrieve document from nsIBaseWindow");
|
|
return NS_ERROR_FAILURE;
|
|
}
|
|
|
|
nsCOMPtr<nsIDocument> doc;
|
|
doc = do_QueryInterface(domDoc);
|
|
if (!doc) {
|
|
NS_ERROR("Document from nsIBaseWindow didn't QI to nsIDocument");
|
|
return NS_ERROR_FAILURE;
|
|
}
|
|
|
|
nsCOMPtr<nsIURI> baseURI = doc->GetDocBaseURI();
|
|
if (!baseURI) {
|
|
NS_ERROR("nsIDocument didn't return a base URI");
|
|
return NS_ERROR_FAILURE;
|
|
}
|
|
|
|
nsAutoCString baseURIString;
|
|
baseURI->GetSpec(baseURIString);
|
|
|
|
nsAutoString nameString;
|
|
nameString.Assign(aName);
|
|
nsAutoCString features;
|
|
|
|
// We can assume that if content is requesting to open a window from a remote
|
|
// tab, then we want to enforce that the new window is also a remote tab.
|
|
features.Assign(aFeatures);
|
|
features.Append(",remote");
|
|
|
|
if (!CallCreateWindow(aChromeFlags, aCalledFromJS, aPositionSpecified,
|
|
aSizeSpecified, NS_ConvertUTF8toUTF16(uriString),
|
|
nameString, NS_ConvertUTF8toUTF16(features),
|
|
NS_ConvertUTF8toUTF16(baseURIString),
|
|
aWindowIsNew, &newChild)) {
|
|
return NS_ERROR_NOT_AVAILABLE;
|
|
}
|
|
|
|
nsCOMPtr<nsIDOMWindow> win =
|
|
do_GetInterface(static_cast<TabChild*>(newChild)->WebNavigation());
|
|
win.forget(aReturn);
|
|
return NS_OK;
|
|
}
|
|
|
|
nsresult
|
|
TabChild::BrowserFrameProvideWindow(nsIDOMWindow* aOpener,
|
|
nsIURI* aURI,
|
|
const nsAString& aName,
|
|
const nsACString& aFeatures,
|
|
bool* aWindowIsNew,
|
|
nsIDOMWindow** aReturn)
|
|
{
|
|
*aReturn = nullptr;
|
|
|
|
nsRefPtr<TabChild> newChild =
|
|
new TabChild(ContentChild::GetSingleton(),
|
|
/* TabContext */ *this, /* chromeFlags */ 0);
|
|
if (!NS_SUCCEEDED(newChild->Init())) {
|
|
return NS_ERROR_ABORT;
|
|
}
|
|
|
|
// We must use PopupIPCTabContext here; ContentParent will not accept the
|
|
// result of this->AsIPCTabContext() (which will be a
|
|
// BrowserFrameIPCTabContext or an AppFrameIPCTabContext), for security
|
|
// reasons.
|
|
PopupIPCTabContext context;
|
|
context.openerChild() = this;
|
|
context.isBrowserElement() = IsBrowserElement();
|
|
|
|
ContentChild* cc = static_cast<ContentChild*>(Manager());
|
|
unused << Manager()->SendPBrowserConstructor(
|
|
// We release this ref in DeallocPBrowserChild
|
|
nsRefPtr<TabChild>(newChild).forget().take(),
|
|
IPCTabContext(context, mScrolling), /* chromeFlags */ 0,
|
|
cc->GetID(), cc->IsForApp(), cc->IsForBrowser());
|
|
|
|
nsAutoCString spec;
|
|
if (aURI) {
|
|
aURI->GetSpec(spec);
|
|
}
|
|
|
|
NS_ConvertUTF8toUTF16 url(spec);
|
|
nsString name(aName);
|
|
NS_ConvertUTF8toUTF16 features(aFeatures);
|
|
newChild->SendBrowserFrameOpenWindow(this, url, name,
|
|
features, aWindowIsNew);
|
|
if (!*aWindowIsNew) {
|
|
PBrowserChild::Send__delete__(newChild);
|
|
return NS_ERROR_ABORT;
|
|
}
|
|
|
|
// Unfortunately we don't get a window unless we've shown the frame. That's
|
|
// pretty bogus; see bug 763602.
|
|
newChild->DoFakeShow();
|
|
|
|
nsCOMPtr<nsIDOMWindow> win = do_GetInterface(newChild->WebNavigation());
|
|
win.forget(aReturn);
|
|
return NS_OK;
|
|
}
|
|
|
|
bool
|
|
TabChild::HasValidInnerSize()
|
|
{
|
|
return mHasValidInnerSize;
|
|
}
|
|
|
|
void
|
|
TabChild::SendPendingTouchPreventedResponse(bool aPreventDefault,
|
|
const ScrollableLayerGuid& aGuid)
|
|
{
|
|
if (mPendingTouchPreventedResponse) {
|
|
MOZ_ASSERT(aGuid == mPendingTouchPreventedGuid);
|
|
SendContentReceivedTouch(mPendingTouchPreventedGuid, aPreventDefault);
|
|
mPendingTouchPreventedResponse = false;
|
|
}
|
|
}
|
|
|
|
#ifdef DEBUG
|
|
PContentPermissionRequestChild*
|
|
TabChild:: SendPContentPermissionRequestConstructor(PContentPermissionRequestChild* aActor,
|
|
const InfallibleTArray<PermissionRequest>& aRequests,
|
|
const IPC::Principal& aPrincipal)
|
|
{
|
|
PCOMContentPermissionRequestChild* child = static_cast<PCOMContentPermissionRequestChild*>(aActor);
|
|
PContentPermissionRequestChild* request = PBrowserChild::SendPContentPermissionRequestConstructor(aActor, aRequests, aPrincipal);
|
|
child->mIPCOpen = true;
|
|
return request;
|
|
}
|
|
#endif /* DEBUG */
|
|
|
|
void
|
|
TabChild::DestroyWindow()
|
|
{
|
|
nsCOMPtr<nsIBaseWindow> baseWindow = do_QueryInterface(WebNavigation());
|
|
if (baseWindow)
|
|
baseWindow->Destroy();
|
|
|
|
// NB: the order of mWidget->Destroy() and mRemoteFrame->Destroy()
|
|
// is important: we want to kill off remote layers before their
|
|
// frames
|
|
if (mWidget) {
|
|
mWidget->Destroy();
|
|
}
|
|
|
|
if (mRemoteFrame) {
|
|
mRemoteFrame->Destroy();
|
|
mRemoteFrame = nullptr;
|
|
}
|
|
|
|
|
|
if (mLayersId != 0) {
|
|
MOZ_ASSERT(sTabChildren);
|
|
sTabChildren->Remove(mLayersId);
|
|
if (!sTabChildren->Count()) {
|
|
delete sTabChildren;
|
|
sTabChildren = nullptr;
|
|
}
|
|
mLayersId = 0;
|
|
}
|
|
|
|
for (uint32_t index = 0, count = mCachedFileDescriptorInfos.Length();
|
|
index < count;
|
|
index++) {
|
|
nsAutoPtr<CachedFileDescriptorInfo>& info =
|
|
mCachedFileDescriptorInfos[index];
|
|
|
|
MOZ_ASSERT(!info->mCallback);
|
|
|
|
if (info->mFileDescriptor.IsValid()) {
|
|
MOZ_ASSERT(!info->mCanceled);
|
|
|
|
nsRefPtr<CloseFileRunnable> runnable =
|
|
new CloseFileRunnable(info->mFileDescriptor);
|
|
runnable->Dispatch();
|
|
}
|
|
}
|
|
}
|
|
|
|
bool
|
|
TabChild::UseDirectCompositor()
|
|
{
|
|
return !!CompositorChild::Get();
|
|
}
|
|
|
|
void
|
|
TabChild::ActorDestroy(ActorDestroyReason why)
|
|
{
|
|
if (mTabChildGlobal) {
|
|
// The messageManager relays messages via the TabChild which
|
|
// no longer exists.
|
|
static_cast<nsFrameMessageManager*>
|
|
(mTabChildGlobal->mMessageManager.get())->Disconnect();
|
|
mTabChildGlobal->mMessageManager = nullptr;
|
|
}
|
|
if (Id() != 0) {
|
|
NestedTabChildMap().erase(Id());
|
|
}
|
|
}
|
|
|
|
TabChild::~TabChild()
|
|
{
|
|
DestroyWindow();
|
|
|
|
nsCOMPtr<nsIWebBrowser> webBrowser = do_QueryInterface(WebNavigation());
|
|
if (webBrowser) {
|
|
webBrowser->SetContainerWindow(nullptr);
|
|
}
|
|
}
|
|
|
|
void
|
|
TabChild::SetProcessNameToAppName()
|
|
{
|
|
nsCOMPtr<mozIApplication> app = GetOwnApp();
|
|
if (!app) {
|
|
return;
|
|
}
|
|
|
|
nsAutoString appName;
|
|
nsresult rv = app->GetName(appName);
|
|
if (NS_FAILED(rv)) {
|
|
NS_WARNING("Failed to retrieve app name");
|
|
return;
|
|
}
|
|
|
|
ContentChild::GetSingleton()->SetProcessName(appName, true);
|
|
}
|
|
|
|
bool
|
|
TabChild::IsRootContentDocument()
|
|
{
|
|
// A TabChild is a "root content document" if it's
|
|
//
|
|
// - <iframe mozapp> not inside another <iframe mozapp>,
|
|
// - <iframe mozbrowser> (not mozapp), or
|
|
// - a vanilla remote frame (<html:iframe remote=true> or <xul:browser
|
|
// remote=true>).
|
|
//
|
|
// Put another way, an iframe is /not/ a "root content document" iff it's a
|
|
// mozapp inside a mozapp. (This corresponds exactly to !HasAppOwnerApp.)
|
|
//
|
|
// Note that we're lying through our teeth here (thus the scare quotes).
|
|
// <html:iframe remote=true> or <xul:browser remote=true> inside another
|
|
// content iframe is not actually a root content document, but we say it is.
|
|
//
|
|
// We do this because we make a remote frame opaque iff
|
|
// IsRootContentDocument(), and making vanilla remote frames transparent
|
|
// breaks our remote reftests.
|
|
|
|
return !HasAppOwnerApp();
|
|
}
|
|
|
|
bool
|
|
TabChild::RecvLoadURL(const nsCString& uri)
|
|
{
|
|
SetProcessNameToAppName();
|
|
|
|
nsresult rv = WebNavigation()->LoadURI(NS_ConvertUTF8toUTF16(uri).get(),
|
|
nsIWebNavigation::LOAD_FLAGS_ALLOW_THIRD_PARTY_FIXUP |
|
|
nsIWebNavigation::LOAD_FLAGS_DISALLOW_INHERIT_OWNER,
|
|
nullptr, nullptr, nullptr);
|
|
if (NS_FAILED(rv)) {
|
|
NS_WARNING("WebNavigation()->LoadURI failed. Eating exception, what else can I do?");
|
|
}
|
|
|
|
#ifdef MOZ_CRASHREPORTER
|
|
CrashReporter::AnnotateCrashReport(NS_LITERAL_CSTRING("URL"), uri);
|
|
#endif
|
|
|
|
return true;
|
|
}
|
|
|
|
bool
|
|
TabChild::RecvCacheFileDescriptor(const nsString& aPath,
|
|
const FileDescriptor& aFileDescriptor)
|
|
{
|
|
MOZ_ASSERT(NS_IsMainThread());
|
|
MOZ_ASSERT(!aPath.IsEmpty());
|
|
MOZ_ASSERT(!mAppPackageFileDescriptorRecved);
|
|
|
|
mAppPackageFileDescriptorRecved = true;
|
|
|
|
// aFileDescriptor may be invalid here, but the callback will choose how to
|
|
// handle it.
|
|
|
|
// First see if we already have a request for this path.
|
|
const CachedFileDescriptorInfo search(aPath);
|
|
size_t index =
|
|
mCachedFileDescriptorInfos.IndexOf(search, 0,
|
|
search.PathOnlyComparator());
|
|
if (index == mCachedFileDescriptorInfos.NoIndex) {
|
|
// We haven't had any requests for this path yet. Assume that we will
|
|
// in a little while and save the file descriptor here.
|
|
mCachedFileDescriptorInfos.AppendElement(
|
|
new CachedFileDescriptorInfo(aPath, aFileDescriptor));
|
|
return true;
|
|
}
|
|
|
|
nsAutoPtr<CachedFileDescriptorInfo>& info =
|
|
mCachedFileDescriptorInfos[index];
|
|
|
|
MOZ_ASSERT(info);
|
|
MOZ_ASSERT(info->mPath == aPath);
|
|
MOZ_ASSERT(!info->mFileDescriptor.IsValid());
|
|
MOZ_ASSERT(info->mCallback);
|
|
|
|
// If this callback has been canceled then we can simply close the file
|
|
// descriptor and forget about the callback.
|
|
if (info->mCanceled) {
|
|
// Only close if this is a valid file descriptor.
|
|
if (aFileDescriptor.IsValid()) {
|
|
nsRefPtr<CloseFileRunnable> runnable =
|
|
new CloseFileRunnable(aFileDescriptor);
|
|
runnable->Dispatch();
|
|
}
|
|
} else {
|
|
// Not canceled so fire the callback.
|
|
info->mFileDescriptor = aFileDescriptor;
|
|
|
|
// We don't need a runnable here because we should already be at the top
|
|
// of the event loop. Just fire immediately.
|
|
info->FireCallback();
|
|
}
|
|
|
|
mCachedFileDescriptorInfos.RemoveElementAt(index);
|
|
return true;
|
|
}
|
|
|
|
bool
|
|
TabChild::GetCachedFileDescriptor(const nsAString& aPath,
|
|
nsICachedFileDescriptorListener* aCallback)
|
|
{
|
|
MOZ_ASSERT(NS_IsMainThread());
|
|
MOZ_ASSERT(!aPath.IsEmpty());
|
|
MOZ_ASSERT(aCallback);
|
|
|
|
// First see if we've already received a cached file descriptor for this
|
|
// path.
|
|
const CachedFileDescriptorInfo search(aPath);
|
|
size_t index =
|
|
mCachedFileDescriptorInfos.IndexOf(search, 0,
|
|
search.PathOnlyComparator());
|
|
if (index == mCachedFileDescriptorInfos.NoIndex) {
|
|
// We haven't received a file descriptor for this path yet. Assume that
|
|
// we will in a little while and save the request here.
|
|
if (!mAppPackageFileDescriptorRecved) {
|
|
mCachedFileDescriptorInfos.AppendElement(
|
|
new CachedFileDescriptorInfo(aPath, aCallback));
|
|
}
|
|
return false;
|
|
}
|
|
|
|
nsAutoPtr<CachedFileDescriptorInfo>& info =
|
|
mCachedFileDescriptorInfos[index];
|
|
|
|
MOZ_ASSERT(info);
|
|
MOZ_ASSERT(info->mPath == aPath);
|
|
|
|
// If we got a previous request for this file descriptor that was then
|
|
// canceled, insert the new request ahead of the old in the queue so that
|
|
// it will be serviced first.
|
|
if (info->mCanceled) {
|
|
// This insertion will change the array and invalidate |info|, so
|
|
// be careful not to touch |info| after this.
|
|
mCachedFileDescriptorInfos.InsertElementAt(index,
|
|
new CachedFileDescriptorInfo(aPath, aCallback));
|
|
return false;
|
|
}
|
|
|
|
MOZ_ASSERT(!info->mCallback);
|
|
info->mCallback = aCallback;
|
|
|
|
nsRefPtr<CachedFileDescriptorCallbackRunnable> runnable =
|
|
new CachedFileDescriptorCallbackRunnable(info.forget());
|
|
runnable->Dispatch();
|
|
|
|
mCachedFileDescriptorInfos.RemoveElementAt(index);
|
|
return true;
|
|
}
|
|
|
|
void
|
|
TabChild::CancelCachedFileDescriptorCallback(
|
|
const nsAString& aPath,
|
|
nsICachedFileDescriptorListener* aCallback)
|
|
{
|
|
MOZ_ASSERT(NS_IsMainThread());
|
|
MOZ_ASSERT(!aPath.IsEmpty());
|
|
MOZ_ASSERT(aCallback);
|
|
|
|
if (mAppPackageFileDescriptorRecved) {
|
|
// Already received cached file descriptor for the app package. Nothing to do here.
|
|
return;
|
|
}
|
|
|
|
const CachedFileDescriptorInfo search(aPath, aCallback);
|
|
size_t index =
|
|
mCachedFileDescriptorInfos.IndexOf(search, 0,
|
|
search.PathAndCallbackComparator());
|
|
if (index == mCachedFileDescriptorInfos.NoIndex) {
|
|
// Nothing to do here.
|
|
return;
|
|
}
|
|
|
|
nsAutoPtr<CachedFileDescriptorInfo>& info =
|
|
mCachedFileDescriptorInfos[index];
|
|
|
|
MOZ_ASSERT(info);
|
|
MOZ_ASSERT(info->mPath == aPath);
|
|
MOZ_ASSERT(!info->mFileDescriptor.IsValid());
|
|
MOZ_ASSERT(info->mCallback == aCallback);
|
|
MOZ_ASSERT(!info->mCanceled);
|
|
|
|
// No need to hold the callback any longer.
|
|
info->mCallback = nullptr;
|
|
|
|
// Set this flag so that we will close the file descriptor when it arrives.
|
|
info->mCanceled = true;
|
|
}
|
|
|
|
void
|
|
TabChild::DoFakeShow()
|
|
{
|
|
RecvShow(nsIntSize(0, 0));
|
|
mDidFakeShow = true;
|
|
}
|
|
|
|
bool
|
|
TabChild::RecvShow(const nsIntSize& size)
|
|
{
|
|
|
|
if (mDidFakeShow) {
|
|
return true;
|
|
}
|
|
|
|
nsCOMPtr<nsIBaseWindow> baseWindow = do_QueryInterface(WebNavigation());
|
|
if (!baseWindow) {
|
|
NS_ERROR("WebNavigation() doesn't QI to nsIBaseWindow");
|
|
return false;
|
|
}
|
|
|
|
if (!InitRenderingState()) {
|
|
// We can fail to initialize our widget if the <browser
|
|
// remote> has already been destroyed, and we couldn't hook
|
|
// into the parent-process's layer system. That's not a fatal
|
|
// error.
|
|
return true;
|
|
}
|
|
|
|
baseWindow->SetVisibility(true);
|
|
|
|
return InitTabChildGlobal();
|
|
}
|
|
|
|
bool
|
|
TabChild::RecvUpdateDimensions(const nsRect& rect, const nsIntSize& size, const ScreenOrientation& orientation)
|
|
{
|
|
if (!mRemoteFrame) {
|
|
return true;
|
|
}
|
|
|
|
mOuterRect.x = rect.x;
|
|
mOuterRect.y = rect.y;
|
|
mOuterRect.width = rect.width;
|
|
mOuterRect.height = rect.height;
|
|
|
|
bool initialSizing = !HasValidInnerSize()
|
|
&& (size.width != 0 && size.height != 0);
|
|
if (initialSizing) {
|
|
mHasValidInnerSize = true;
|
|
}
|
|
|
|
mOrientation = orientation;
|
|
mInnerSize = ScreenIntSize::FromUnknownSize(
|
|
gfx::IntSize(size.width, size.height));
|
|
mWidget->Resize(0, 0, size.width, size.height,
|
|
true);
|
|
|
|
nsCOMPtr<nsIBaseWindow> baseWin = do_QueryInterface(WebNavigation());
|
|
baseWin->SetPositionAndSize(0, 0, size.width, size.height,
|
|
true);
|
|
|
|
if (initialSizing && mContentDocumentIsDisplayed) {
|
|
// If this is the first time we're getting a valid mInnerSize, and the
|
|
// before-first-paint event has already been handled, then we need to set
|
|
// up our default viewport here. See the corresponding call to
|
|
// InitializeRootMetrics in the before-first-paint handler.
|
|
InitializeRootMetrics();
|
|
}
|
|
|
|
HandlePossibleViewportChange();
|
|
|
|
return true;
|
|
}
|
|
|
|
bool
|
|
TabChild::RecvUpdateFrame(const FrameMetrics& aFrameMetrics)
|
|
{
|
|
return TabChildBase::UpdateFrameHandler(aFrameMetrics);
|
|
}
|
|
|
|
bool
|
|
TabChild::RecvAcknowledgeScrollUpdate(const ViewID& aScrollId,
|
|
const uint32_t& aScrollGeneration)
|
|
{
|
|
APZCCallbackHelper::AcknowledgeScrollUpdate(aScrollId, aScrollGeneration);
|
|
return true;
|
|
}
|
|
|
|
bool
|
|
TabChild::RecvHandleDoubleTap(const CSSPoint& aPoint, const ScrollableLayerGuid& aGuid)
|
|
{
|
|
if (!mGlobal || !mTabChildGlobal) {
|
|
return true;
|
|
}
|
|
|
|
CSSPoint point = APZCCallbackHelper::ApplyCallbackTransform(aPoint, aGuid);
|
|
nsString data;
|
|
data.AppendLiteral("{ \"x\" : ");
|
|
data.AppendFloat(point.x);
|
|
data.AppendLiteral(", \"y\" : ");
|
|
data.AppendFloat(point.y);
|
|
data.AppendLiteral(" }");
|
|
|
|
DispatchMessageManagerMessage(NS_LITERAL_STRING("Gesture:DoubleTap"), data);
|
|
|
|
return true;
|
|
}
|
|
|
|
bool
|
|
TabChild::RecvHandleSingleTap(const CSSPoint& aPoint, const ScrollableLayerGuid& aGuid)
|
|
{
|
|
if (!mGlobal || !mTabChildGlobal) {
|
|
return true;
|
|
}
|
|
|
|
LayoutDevicePoint currentPoint = APZCCallbackHelper::ApplyCallbackTransform(aPoint, aGuid) * mWidget->GetDefaultScale();;
|
|
|
|
MessageLoop::current()->PostDelayedTask(
|
|
FROM_HERE,
|
|
NewRunnableMethod(this, &TabChild::FireSingleTapEvent, currentPoint),
|
|
sActiveDurationMs);
|
|
return true;
|
|
}
|
|
|
|
void
|
|
TabChild::FireSingleTapEvent(LayoutDevicePoint aPoint)
|
|
{
|
|
int time = 0;
|
|
DispatchSynthesizedMouseEvent(NS_MOUSE_MOVE, time, aPoint, mWidget);
|
|
DispatchSynthesizedMouseEvent(NS_MOUSE_BUTTON_DOWN, time, aPoint, mWidget);
|
|
DispatchSynthesizedMouseEvent(NS_MOUSE_BUTTON_UP, time, aPoint, mWidget);
|
|
}
|
|
|
|
bool
|
|
TabChild::RecvHandleLongTap(const CSSPoint& aPoint, const ScrollableLayerGuid& aGuid)
|
|
{
|
|
if (!mGlobal || !mTabChildGlobal) {
|
|
return true;
|
|
}
|
|
|
|
SendPendingTouchPreventedResponse(false, aGuid);
|
|
|
|
bool eventHandled =
|
|
DispatchMouseEvent(NS_LITERAL_STRING("contextmenu"),
|
|
APZCCallbackHelper::ApplyCallbackTransform(aPoint, aGuid),
|
|
2, 1, 0, false,
|
|
nsIDOMMouseEvent::MOZ_SOURCE_TOUCH);
|
|
|
|
// If no one handle context menu, fire MOZLONGTAP event
|
|
if (!eventHandled) {
|
|
LayoutDevicePoint currentPoint =
|
|
APZCCallbackHelper::ApplyCallbackTransform(aPoint, aGuid) * mWidget->GetDefaultScale();
|
|
int time = 0;
|
|
nsEventStatus status =
|
|
DispatchSynthesizedMouseEvent(NS_MOUSE_MOZLONGTAP, time, currentPoint, mWidget);
|
|
eventHandled = (status == nsEventStatus_eConsumeNoDefault);
|
|
}
|
|
|
|
SendContentReceivedTouch(aGuid, eventHandled);
|
|
|
|
return true;
|
|
}
|
|
|
|
bool
|
|
TabChild::RecvHandleLongTapUp(const CSSPoint& aPoint, const ScrollableLayerGuid& aGuid)
|
|
{
|
|
RecvHandleSingleTap(aPoint, aGuid);
|
|
return true;
|
|
}
|
|
|
|
bool
|
|
TabChild::RecvNotifyAPZStateChange(const ViewID& aViewId,
|
|
const APZStateChange& aChange,
|
|
const int& aArg)
|
|
{
|
|
switch (aChange)
|
|
{
|
|
case APZStateChange::TransformBegin:
|
|
{
|
|
nsIScrollableFrame* sf = nsLayoutUtils::FindScrollableFrameFor(aViewId);
|
|
nsIScrollbarOwner* scrollbarOwner = do_QueryFrame(sf);
|
|
if (scrollbarOwner) {
|
|
scrollbarOwner->ScrollbarActivityStarted();
|
|
}
|
|
break;
|
|
}
|
|
case APZStateChange::TransformEnd:
|
|
{
|
|
nsIScrollableFrame* sf = nsLayoutUtils::FindScrollableFrameFor(aViewId);
|
|
nsIScrollbarOwner* scrollbarOwner = do_QueryFrame(sf);
|
|
if (scrollbarOwner) {
|
|
scrollbarOwner->ScrollbarActivityStopped();
|
|
}
|
|
break;
|
|
}
|
|
case APZStateChange::StartTouch:
|
|
{
|
|
mActiveElementManager->HandleTouchStart(aArg);
|
|
break;
|
|
}
|
|
case APZStateChange::StartPanning:
|
|
{
|
|
mActiveElementManager->HandlePanStart();
|
|
break;
|
|
}
|
|
case APZStateChange::EndTouch:
|
|
{
|
|
mActiveElementManager->HandleTouchEnd(aArg);
|
|
break;
|
|
}
|
|
default:
|
|
// APZStateChange has a 'sentinel' value, and the compiler complains
|
|
// if an enumerator is not handled and there is no 'default' case.
|
|
break;
|
|
}
|
|
return true;
|
|
}
|
|
|
|
bool
|
|
TabChild::RecvActivate()
|
|
{
|
|
nsCOMPtr<nsIWebBrowserFocus> browser = do_QueryInterface(WebNavigation());
|
|
browser->Activate();
|
|
return true;
|
|
}
|
|
|
|
bool TabChild::RecvDeactivate()
|
|
{
|
|
nsCOMPtr<nsIWebBrowserFocus> browser = do_QueryInterface(WebNavigation());
|
|
browser->Deactivate();
|
|
return true;
|
|
}
|
|
|
|
bool
|
|
TabChild::RecvMouseEvent(const nsString& aType,
|
|
const float& aX,
|
|
const float& aY,
|
|
const int32_t& aButton,
|
|
const int32_t& aClickCount,
|
|
const int32_t& aModifiers,
|
|
const bool& aIgnoreRootScrollFrame)
|
|
{
|
|
DispatchMouseEvent(aType, CSSPoint(aX, aY), aButton, aClickCount, aModifiers,
|
|
aIgnoreRootScrollFrame, nsIDOMMouseEvent::MOZ_SOURCE_UNKNOWN);
|
|
return true;
|
|
}
|
|
|
|
bool
|
|
TabChild::RecvRealMouseEvent(const WidgetMouseEvent& event)
|
|
{
|
|
WidgetMouseEvent localEvent(event);
|
|
localEvent.widget = mWidget;
|
|
DispatchWidgetEvent(localEvent);
|
|
return true;
|
|
}
|
|
|
|
bool
|
|
TabChild::RecvMouseWheelEvent(const WidgetWheelEvent& event)
|
|
{
|
|
WidgetWheelEvent localEvent(event);
|
|
localEvent.widget = mWidget;
|
|
DispatchWidgetEvent(localEvent);
|
|
return true;
|
|
}
|
|
|
|
static Touch*
|
|
GetTouchForIdentifier(const WidgetTouchEvent& aEvent, int32_t aId)
|
|
{
|
|
for (uint32_t i = 0; i < aEvent.touches.Length(); ++i) {
|
|
Touch* touch = static_cast<Touch*>(aEvent.touches[i].get());
|
|
if (touch->mIdentifier == aId) {
|
|
return touch;
|
|
}
|
|
}
|
|
return nullptr;
|
|
}
|
|
|
|
void
|
|
TabChild::UpdateTapState(const WidgetTouchEvent& aEvent, nsEventStatus aStatus)
|
|
{
|
|
static bool sHavePrefs;
|
|
static bool sClickHoldContextMenusEnabled;
|
|
static nsIntSize sDragThreshold;
|
|
static int32_t sContextMenuDelayMs;
|
|
if (!sHavePrefs) {
|
|
sHavePrefs = true;
|
|
Preferences::AddBoolVarCache(&sClickHoldContextMenusEnabled,
|
|
"ui.click_hold_context_menus", true);
|
|
Preferences::AddIntVarCache(&sDragThreshold.width,
|
|
"ui.dragThresholdX", 25);
|
|
Preferences::AddIntVarCache(&sDragThreshold.height,
|
|
"ui.dragThresholdY", 25);
|
|
Preferences::AddIntVarCache(&sContextMenuDelayMs,
|
|
"ui.click_hold_context_menus.delay", 500);
|
|
}
|
|
|
|
if (aEvent.touches.Length() == 0) {
|
|
return;
|
|
}
|
|
|
|
bool currentlyTrackingTouch = (mActivePointerId >= 0);
|
|
if (aEvent.message == NS_TOUCH_START) {
|
|
if (currentlyTrackingTouch || aEvent.touches.Length() > 1) {
|
|
// We're tracking a possible tap for another point, or we saw a
|
|
// touchstart for a later pointer after we canceled tracking of
|
|
// the first point. Ignore this one.
|
|
return;
|
|
}
|
|
if (aStatus == nsEventStatus_eConsumeNoDefault ||
|
|
nsIPresShell::gPreventMouseEvents ||
|
|
aEvent.mFlags.mMultipleActionsPrevented) {
|
|
return;
|
|
}
|
|
|
|
Touch* touch = aEvent.touches[0];
|
|
mGestureDownPoint = LayoutDevicePoint(touch->mRefPoint.x, touch->mRefPoint.y);
|
|
mActivePointerId = touch->mIdentifier;
|
|
if (sClickHoldContextMenusEnabled) {
|
|
MOZ_ASSERT(!mTapHoldTimer);
|
|
mTapHoldTimer = NewRunnableMethod(this,
|
|
&TabChild::FireContextMenuEvent);
|
|
MessageLoop::current()->PostDelayedTask(FROM_HERE, mTapHoldTimer,
|
|
sContextMenuDelayMs);
|
|
}
|
|
return;
|
|
}
|
|
|
|
// If we're not tracking a touch or this event doesn't include the
|
|
// one we care about, bail.
|
|
if (!currentlyTrackingTouch) {
|
|
return;
|
|
}
|
|
Touch* trackedTouch = GetTouchForIdentifier(aEvent, mActivePointerId);
|
|
if (!trackedTouch) {
|
|
return;
|
|
}
|
|
|
|
LayoutDevicePoint currentPoint = LayoutDevicePoint(trackedTouch->mRefPoint.x, trackedTouch->mRefPoint.y);
|
|
int64_t time = aEvent.time;
|
|
switch (aEvent.message) {
|
|
case NS_TOUCH_MOVE:
|
|
if (abs(currentPoint.x - mGestureDownPoint.x) > sDragThreshold.width ||
|
|
abs(currentPoint.y - mGestureDownPoint.y) > sDragThreshold.height) {
|
|
CancelTapTracking();
|
|
}
|
|
return;
|
|
|
|
case NS_TOUCH_END:
|
|
if (!nsIPresShell::gPreventMouseEvents) {
|
|
DispatchSynthesizedMouseEvent(NS_MOUSE_MOVE, time, currentPoint, mWidget);
|
|
DispatchSynthesizedMouseEvent(NS_MOUSE_BUTTON_DOWN, time, currentPoint, mWidget);
|
|
DispatchSynthesizedMouseEvent(NS_MOUSE_BUTTON_UP, time, currentPoint, mWidget);
|
|
}
|
|
// fall through
|
|
case NS_TOUCH_CANCEL:
|
|
CancelTapTracking();
|
|
return;
|
|
|
|
default:
|
|
NS_WARNING("Unknown touch event type");
|
|
}
|
|
}
|
|
|
|
void
|
|
TabChild::FireContextMenuEvent()
|
|
{
|
|
double scale;
|
|
GetDefaultScale(&scale);
|
|
if (scale < 0) {
|
|
scale = 1;
|
|
}
|
|
|
|
MOZ_ASSERT(mTapHoldTimer && mActivePointerId >= 0);
|
|
bool defaultPrevented = DispatchMouseEvent(NS_LITERAL_STRING("contextmenu"),
|
|
mGestureDownPoint / CSSToLayoutDeviceScale(scale),
|
|
2 /* Right button */,
|
|
1 /* Click count */,
|
|
0 /* Modifiers */,
|
|
false /* Ignore root scroll frame */,
|
|
nsIDOMMouseEvent::MOZ_SOURCE_TOUCH);
|
|
|
|
// Fire a click event if someone didn't call preventDefault() on the context
|
|
// menu event.
|
|
if (defaultPrevented) {
|
|
CancelTapTracking();
|
|
} else if (mTapHoldTimer) {
|
|
mTapHoldTimer->Cancel();
|
|
mTapHoldTimer = nullptr;
|
|
}
|
|
}
|
|
|
|
void
|
|
TabChild::CancelTapTracking()
|
|
{
|
|
mActivePointerId = -1;
|
|
if (mTapHoldTimer) {
|
|
mTapHoldTimer->Cancel();
|
|
}
|
|
mTapHoldTimer = nullptr;
|
|
}
|
|
|
|
bool
|
|
TabChild::RecvRealTouchEvent(const WidgetTouchEvent& aEvent,
|
|
const ScrollableLayerGuid& aGuid)
|
|
{
|
|
WidgetTouchEvent localEvent(aEvent);
|
|
localEvent.widget = mWidget;
|
|
for (size_t i = 0; i < localEvent.touches.Length(); i++) {
|
|
aEvent.touches[i]->mRefPoint = APZCCallbackHelper::ApplyCallbackTransform(aEvent.touches[i]->mRefPoint, aGuid, mWidget->GetDefaultScale());
|
|
}
|
|
|
|
nsEventStatus status = DispatchWidgetEvent(localEvent);
|
|
|
|
if (!IsAsyncPanZoomEnabled()) {
|
|
UpdateTapState(localEvent, status);
|
|
return true;
|
|
}
|
|
|
|
if (aEvent.message == NS_TOUCH_START && localEvent.touches.Length() > 0) {
|
|
mActiveElementManager->SetTargetElement(localEvent.touches[0]->GetTarget());
|
|
}
|
|
|
|
bool isTouchPrevented = nsIPresShell::gPreventMouseEvents ||
|
|
localEvent.mFlags.mMultipleActionsPrevented;
|
|
switch (aEvent.message) {
|
|
case NS_TOUCH_START: {
|
|
if (mPendingTouchPreventedResponse) {
|
|
// We can enter here if we get two TOUCH_STARTs in a row and didn't
|
|
// respond to the first one. Respond to it now.
|
|
SendContentReceivedTouch(mPendingTouchPreventedGuid, false);
|
|
mPendingTouchPreventedResponse = false;
|
|
}
|
|
if (isTouchPrevented) {
|
|
SendContentReceivedTouch(aGuid, isTouchPrevented);
|
|
} else {
|
|
mPendingTouchPreventedResponse = true;
|
|
mPendingTouchPreventedGuid = aGuid;
|
|
}
|
|
break;
|
|
}
|
|
|
|
case NS_TOUCH_MOVE:
|
|
case NS_TOUCH_END:
|
|
case NS_TOUCH_CANCEL: {
|
|
SendPendingTouchPreventedResponse(isTouchPrevented, aGuid);
|
|
break;
|
|
}
|
|
|
|
default:
|
|
NS_WARNING("Unknown touch event type");
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
bool
|
|
TabChild::RecvRealTouchMoveEvent(const WidgetTouchEvent& aEvent,
|
|
const ScrollableLayerGuid& aGuid)
|
|
{
|
|
return RecvRealTouchEvent(aEvent, aGuid);
|
|
}
|
|
|
|
void
|
|
TabChild::RequestNativeKeyBindings(AutoCacheNativeKeyCommands* aAutoCache,
|
|
WidgetKeyboardEvent* aEvent)
|
|
{
|
|
MaybeNativeKeyBinding maybeBindings;
|
|
if (!SendRequestNativeKeyBindings(*aEvent, &maybeBindings)) {
|
|
return;
|
|
}
|
|
|
|
if (maybeBindings.type() == MaybeNativeKeyBinding::TNativeKeyBinding) {
|
|
const NativeKeyBinding& bindings = maybeBindings;
|
|
aAutoCache->Cache(bindings.singleLineCommands(),
|
|
bindings.multiLineCommands(),
|
|
bindings.richTextCommands());
|
|
} else {
|
|
aAutoCache->CacheNoCommands();
|
|
}
|
|
}
|
|
|
|
bool
|
|
TabChild::RecvRealKeyEvent(const WidgetKeyboardEvent& event,
|
|
const MaybeNativeKeyBinding& aBindings)
|
|
{
|
|
PuppetWidget* widget = static_cast<PuppetWidget*>(mWidget.get());
|
|
AutoCacheNativeKeyCommands autoCache(widget);
|
|
|
|
if (event.message == NS_KEY_PRESS) {
|
|
if (aBindings.type() == MaybeNativeKeyBinding::TNativeKeyBinding) {
|
|
const NativeKeyBinding& bindings = aBindings;
|
|
autoCache.Cache(bindings.singleLineCommands(),
|
|
bindings.multiLineCommands(),
|
|
bindings.richTextCommands());
|
|
} else {
|
|
autoCache.CacheNoCommands();
|
|
}
|
|
}
|
|
// If content code called preventDefault() on a keydown event, then we don't
|
|
// want to process any following keypress events.
|
|
if (event.message == NS_KEY_PRESS && mIgnoreKeyPressEvent) {
|
|
return true;
|
|
}
|
|
|
|
WidgetKeyboardEvent localEvent(event);
|
|
localEvent.widget = mWidget;
|
|
nsEventStatus status = DispatchWidgetEvent(localEvent);
|
|
|
|
if (event.message == NS_KEY_DOWN) {
|
|
mIgnoreKeyPressEvent = status == nsEventStatus_eConsumeNoDefault;
|
|
}
|
|
|
|
if (localEvent.mFlags.mWantReplyFromContentProcess) {
|
|
SendReplyKeyEvent(localEvent);
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
bool
|
|
TabChild::RecvKeyEvent(const nsString& aType,
|
|
const int32_t& aKeyCode,
|
|
const int32_t& aCharCode,
|
|
const int32_t& aModifiers,
|
|
const bool& aPreventDefault)
|
|
{
|
|
nsCOMPtr<nsIDOMWindowUtils> utils(GetDOMWindowUtils());
|
|
NS_ENSURE_TRUE(utils, true);
|
|
bool ignored = false;
|
|
utils->SendKeyEvent(aType, aKeyCode, aCharCode,
|
|
aModifiers, aPreventDefault, &ignored);
|
|
return true;
|
|
}
|
|
|
|
bool
|
|
TabChild::RecvCompositionEvent(const WidgetCompositionEvent& event)
|
|
{
|
|
WidgetCompositionEvent localEvent(event);
|
|
localEvent.widget = mWidget;
|
|
DispatchWidgetEvent(localEvent);
|
|
return true;
|
|
}
|
|
|
|
bool
|
|
TabChild::RecvTextEvent(const WidgetTextEvent& event)
|
|
{
|
|
WidgetTextEvent localEvent(event);
|
|
localEvent.widget = mWidget;
|
|
DispatchWidgetEvent(localEvent);
|
|
return true;
|
|
}
|
|
|
|
bool
|
|
TabChild::RecvSelectionEvent(const WidgetSelectionEvent& event)
|
|
{
|
|
WidgetSelectionEvent localEvent(event);
|
|
localEvent.widget = mWidget;
|
|
DispatchWidgetEvent(localEvent);
|
|
return true;
|
|
}
|
|
|
|
PDocumentRendererChild*
|
|
TabChild::AllocPDocumentRendererChild(const nsRect& documentRect,
|
|
const mozilla::gfx::Matrix& transform,
|
|
const nsString& bgcolor,
|
|
const uint32_t& renderFlags,
|
|
const bool& flushLayout,
|
|
const nsIntSize& renderSize)
|
|
{
|
|
return new DocumentRendererChild();
|
|
}
|
|
|
|
bool
|
|
TabChild::DeallocPDocumentRendererChild(PDocumentRendererChild* actor)
|
|
{
|
|
delete actor;
|
|
return true;
|
|
}
|
|
|
|
bool
|
|
TabChild::RecvPDocumentRendererConstructor(PDocumentRendererChild* actor,
|
|
const nsRect& documentRect,
|
|
const mozilla::gfx::Matrix& transform,
|
|
const nsString& bgcolor,
|
|
const uint32_t& renderFlags,
|
|
const bool& flushLayout,
|
|
const nsIntSize& renderSize)
|
|
{
|
|
DocumentRendererChild *render = static_cast<DocumentRendererChild *>(actor);
|
|
|
|
nsCOMPtr<nsIWebBrowser> browser = do_QueryInterface(WebNavigation());
|
|
if (!browser)
|
|
return true; // silently ignore
|
|
nsCOMPtr<nsIDOMWindow> window;
|
|
if (NS_FAILED(browser->GetContentDOMWindow(getter_AddRefs(window))) ||
|
|
!window)
|
|
{
|
|
return true; // silently ignore
|
|
}
|
|
|
|
nsCString data;
|
|
bool ret = render->RenderDocument(window,
|
|
documentRect, transform,
|
|
bgcolor,
|
|
renderFlags, flushLayout,
|
|
renderSize, data);
|
|
if (!ret)
|
|
return true; // silently ignore
|
|
|
|
return PDocumentRendererChild::Send__delete__(actor, renderSize, data);
|
|
}
|
|
|
|
PColorPickerChild*
|
|
TabChild::AllocPColorPickerChild(const nsString&, const nsString&)
|
|
{
|
|
NS_RUNTIMEABORT("unused");
|
|
return nullptr;
|
|
}
|
|
|
|
bool
|
|
TabChild::DeallocPColorPickerChild(PColorPickerChild* aColorPicker)
|
|
{
|
|
nsColorPickerProxy* picker = static_cast<nsColorPickerProxy*>(aColorPicker);
|
|
NS_RELEASE(picker);
|
|
return true;
|
|
}
|
|
|
|
PContentPermissionRequestChild*
|
|
TabChild::AllocPContentPermissionRequestChild(const InfallibleTArray<PermissionRequest>& aRequests,
|
|
const IPC::Principal& aPrincipal)
|
|
{
|
|
NS_RUNTIMEABORT("unused");
|
|
return nullptr;
|
|
}
|
|
|
|
bool
|
|
TabChild::DeallocPContentPermissionRequestChild(PContentPermissionRequestChild* actor)
|
|
{
|
|
PCOMContentPermissionRequestChild* child =
|
|
static_cast<PCOMContentPermissionRequestChild*>(actor);
|
|
#ifdef DEBUG
|
|
child->mIPCOpen = false;
|
|
#endif /* DEBUG */
|
|
child->IPDLRelease();
|
|
return true;
|
|
}
|
|
|
|
PFilePickerChild*
|
|
TabChild::AllocPFilePickerChild(const nsString&, const int16_t&)
|
|
{
|
|
NS_RUNTIMEABORT("unused");
|
|
return nullptr;
|
|
}
|
|
|
|
bool
|
|
TabChild::DeallocPFilePickerChild(PFilePickerChild* actor)
|
|
{
|
|
nsFilePickerProxy* filePicker = static_cast<nsFilePickerProxy*>(actor);
|
|
NS_RELEASE(filePicker);
|
|
return true;
|
|
}
|
|
|
|
bool
|
|
TabChild::RecvActivateFrameEvent(const nsString& aType, const bool& capture)
|
|
{
|
|
nsCOMPtr<nsPIDOMWindow> window = do_GetInterface(WebNavigation());
|
|
NS_ENSURE_TRUE(window, true);
|
|
nsCOMPtr<EventTarget> chromeHandler =
|
|
do_QueryInterface(window->GetChromeEventHandler());
|
|
NS_ENSURE_TRUE(chromeHandler, true);
|
|
nsRefPtr<ContentListener> listener = new ContentListener(this);
|
|
chromeHandler->AddEventListener(aType, listener, capture);
|
|
return true;
|
|
}
|
|
|
|
POfflineCacheUpdateChild*
|
|
TabChild::AllocPOfflineCacheUpdateChild(const URIParams& manifestURI,
|
|
const URIParams& documentURI,
|
|
const bool& stickDocument)
|
|
{
|
|
NS_RUNTIMEABORT("unused");
|
|
return nullptr;
|
|
}
|
|
|
|
bool
|
|
TabChild::DeallocPOfflineCacheUpdateChild(POfflineCacheUpdateChild* actor)
|
|
{
|
|
OfflineCacheUpdateChild* offlineCacheUpdate = static_cast<OfflineCacheUpdateChild*>(actor);
|
|
NS_RELEASE(offlineCacheUpdate);
|
|
return true;
|
|
}
|
|
|
|
bool
|
|
TabChild::RecvLoadRemoteScript(const nsString& aURL, const bool& aRunInGlobalScope)
|
|
{
|
|
if (!mGlobal && !InitTabChildGlobal())
|
|
// This can happen if we're half-destroyed. It's not a fatal
|
|
// error.
|
|
return true;
|
|
|
|
LoadFrameScriptInternal(aURL, aRunInGlobalScope);
|
|
return true;
|
|
}
|
|
|
|
bool
|
|
TabChild::RecvAsyncMessage(const nsString& aMessage,
|
|
const ClonedMessageData& aData,
|
|
const InfallibleTArray<CpowEntry>& aCpows,
|
|
const IPC::Principal& aPrincipal)
|
|
{
|
|
if (mTabChildGlobal) {
|
|
nsCOMPtr<nsIXPConnectJSObjectHolder> kungFuDeathGrip(GetGlobal());
|
|
StructuredCloneData cloneData = UnpackClonedMessageDataForChild(aData);
|
|
nsRefPtr<nsFrameMessageManager> mm =
|
|
static_cast<nsFrameMessageManager*>(mTabChildGlobal->mMessageManager.get());
|
|
CpowIdHolder cpows(Manager()->GetCPOWManager(), aCpows);
|
|
mm->ReceiveMessage(static_cast<EventTarget*>(mTabChildGlobal),
|
|
aMessage, false, &cloneData, &cpows, aPrincipal, nullptr);
|
|
}
|
|
return true;
|
|
}
|
|
|
|
class UnloadScriptEvent : public nsRunnable
|
|
{
|
|
public:
|
|
UnloadScriptEvent(TabChild* aTabChild, TabChildGlobal* aTabChildGlobal)
|
|
: mTabChild(aTabChild), mTabChildGlobal(aTabChildGlobal)
|
|
{ }
|
|
|
|
NS_IMETHOD Run()
|
|
{
|
|
nsCOMPtr<nsIDOMEvent> event;
|
|
NS_NewDOMEvent(getter_AddRefs(event), mTabChildGlobal, nullptr, nullptr);
|
|
if (event) {
|
|
event->InitEvent(NS_LITERAL_STRING("unload"), false, false);
|
|
event->SetTrusted(true);
|
|
|
|
bool dummy;
|
|
mTabChildGlobal->DispatchEvent(event, &dummy);
|
|
}
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
nsRefPtr<TabChild> mTabChild;
|
|
TabChildGlobal* mTabChildGlobal;
|
|
};
|
|
|
|
bool
|
|
TabChild::RecvDestroy()
|
|
{
|
|
if (mTabChildGlobal) {
|
|
// Let the frame scripts know the child is being closed
|
|
nsContentUtils::AddScriptRunner(
|
|
new UnloadScriptEvent(this, mTabChildGlobal)
|
|
);
|
|
}
|
|
|
|
nsCOMPtr<nsIObserverService> observerService =
|
|
mozilla::services::GetObserverService();
|
|
|
|
observerService->RemoveObserver(this, BROWSER_ZOOM_TO_RECT);
|
|
observerService->RemoveObserver(this, BEFORE_FIRST_PAINT);
|
|
|
|
const InfallibleTArray<PIndexedDBChild*>& idbActors =
|
|
ManagedPIndexedDBChild();
|
|
for (uint32_t i = 0; i < idbActors.Length(); ++i) {
|
|
static_cast<IndexedDBChild*>(idbActors[i])->Disconnect();
|
|
}
|
|
|
|
// XXX what other code in ~TabChild() should we be running here?
|
|
DestroyWindow();
|
|
|
|
return Send__delete__(this);
|
|
}
|
|
|
|
bool
|
|
TabChild::RecvSetUpdateHitRegion(const bool& aEnabled)
|
|
{
|
|
mUpdateHitRegion = aEnabled;
|
|
return true;
|
|
}
|
|
|
|
bool
|
|
TabChild::RecvSetIsDocShellActive(const bool& aIsActive)
|
|
{
|
|
nsCOMPtr<nsIDocShell> docShell = do_GetInterface(WebNavigation());
|
|
if (docShell) {
|
|
docShell->SetIsActive(aIsActive);
|
|
}
|
|
return true;
|
|
}
|
|
|
|
PRenderFrameChild*
|
|
TabChild::AllocPRenderFrameChild(ScrollingBehavior* aScrolling,
|
|
TextureFactoryIdentifier* aTextureFactoryIdentifier,
|
|
uint64_t* aLayersId,
|
|
bool* aSuccess)
|
|
{
|
|
return new RenderFrameChild();
|
|
}
|
|
|
|
bool
|
|
TabChild::DeallocPRenderFrameChild(PRenderFrameChild* aFrame)
|
|
{
|
|
delete aFrame;
|
|
return true;
|
|
}
|
|
|
|
bool
|
|
TabChild::InitTabChildGlobal(FrameScriptLoading aScriptLoading)
|
|
{
|
|
if (!mGlobal && !mTabChildGlobal) {
|
|
nsCOMPtr<nsPIDOMWindow> window = do_GetInterface(WebNavigation());
|
|
NS_ENSURE_TRUE(window, false);
|
|
nsCOMPtr<EventTarget> chromeHandler =
|
|
do_QueryInterface(window->GetChromeEventHandler());
|
|
NS_ENSURE_TRUE(chromeHandler, false);
|
|
|
|
nsRefPtr<TabChildGlobal> scope = new TabChildGlobal(this);
|
|
mTabChildGlobal = scope;
|
|
|
|
nsISupports* scopeSupports = NS_ISUPPORTS_CAST(EventTarget*, scope);
|
|
|
|
NS_NAMED_LITERAL_CSTRING(globalId, "outOfProcessTabChildGlobal");
|
|
NS_ENSURE_TRUE(InitTabChildGlobalInternal(scopeSupports, globalId), false);
|
|
|
|
scope->Init();
|
|
|
|
nsCOMPtr<nsPIWindowRoot> root = do_QueryInterface(chromeHandler);
|
|
NS_ENSURE_TRUE(root, false);
|
|
root->SetParentTarget(scope);
|
|
|
|
chromeHandler->AddEventListener(NS_LITERAL_STRING("DOMMetaAdded"), this, false);
|
|
}
|
|
|
|
if (aScriptLoading != DONT_LOAD_SCRIPTS && !mTriedBrowserInit) {
|
|
mTriedBrowserInit = true;
|
|
// Initialize the child side of the browser element machinery,
|
|
// if appropriate.
|
|
if (IsBrowserOrApp()) {
|
|
RecvLoadRemoteScript(BROWSER_ELEMENT_CHILD_SCRIPT, true);
|
|
}
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
bool
|
|
TabChild::InitRenderingState()
|
|
{
|
|
static_cast<PuppetWidget*>(mWidget.get())->InitIMEState();
|
|
|
|
uint64_t id;
|
|
bool success;
|
|
RenderFrameChild* remoteFrame =
|
|
static_cast<RenderFrameChild*>(SendPRenderFrameConstructor(
|
|
&mScrolling,
|
|
&mTextureFactoryIdentifier, &id,
|
|
&success));
|
|
if (!remoteFrame) {
|
|
NS_WARNING("failed to construct RenderFrame");
|
|
return false;
|
|
}
|
|
if (!success) {
|
|
NS_WARNING("failed to construct RenderFrame");
|
|
PRenderFrameChild::Send__delete__(remoteFrame);
|
|
return false;
|
|
}
|
|
|
|
PLayerTransactionChild* shadowManager = nullptr;
|
|
if (id != 0) {
|
|
// Pushing layers transactions directly to a separate
|
|
// compositor context.
|
|
PCompositorChild* compositorChild = CompositorChild::Get();
|
|
if (!compositorChild) {
|
|
NS_WARNING("failed to get CompositorChild instance");
|
|
return false;
|
|
}
|
|
nsTArray<LayersBackend> backends;
|
|
backends.AppendElement(mTextureFactoryIdentifier.mParentBackend);
|
|
bool success;
|
|
shadowManager =
|
|
compositorChild->SendPLayerTransactionConstructor(backends,
|
|
id, &mTextureFactoryIdentifier, &success);
|
|
if (!success) {
|
|
NS_WARNING("failed to properly allocate layer transaction");
|
|
return false;
|
|
}
|
|
} else {
|
|
// Pushing transactions to the parent content.
|
|
shadowManager = remoteFrame->SendPLayerTransactionConstructor();
|
|
}
|
|
|
|
if (!shadowManager) {
|
|
NS_WARNING("failed to construct LayersChild");
|
|
// This results in |remoteFrame| being deleted.
|
|
PRenderFrameChild::Send__delete__(remoteFrame);
|
|
return false;
|
|
}
|
|
|
|
ShadowLayerForwarder* lf =
|
|
mWidget->GetLayerManager(shadowManager, mTextureFactoryIdentifier.mParentBackend)
|
|
->AsShadowForwarder();
|
|
NS_ABORT_IF_FALSE(lf && lf->HasShadowManager(),
|
|
"PuppetWidget should have shadow manager");
|
|
lf->IdentifyTextureHost(mTextureFactoryIdentifier);
|
|
ImageBridgeChild::IdentifyCompositorTextureHost(mTextureFactoryIdentifier);
|
|
|
|
mRemoteFrame = remoteFrame;
|
|
if (id != 0) {
|
|
if (!sTabChildren) {
|
|
sTabChildren = new TabChildMap;
|
|
}
|
|
MOZ_ASSERT(!sTabChildren->Get(id));
|
|
sTabChildren->Put(id, this);
|
|
mLayersId = id;
|
|
}
|
|
|
|
nsCOMPtr<nsIObserverService> observerService =
|
|
mozilla::services::GetObserverService();
|
|
|
|
if (observerService) {
|
|
observerService->AddObserver(this,
|
|
BROWSER_ZOOM_TO_RECT,
|
|
false);
|
|
observerService->AddObserver(this,
|
|
BEFORE_FIRST_PAINT,
|
|
false);
|
|
}
|
|
|
|
// This state can't change during the lifetime of the child.
|
|
sCpowsEnabled = BrowserTabsRemote();
|
|
if (Preferences::GetBool("dom.ipc.cpows.force-enabled", false))
|
|
sCpowsEnabled = true;
|
|
|
|
return true;
|
|
}
|
|
|
|
void
|
|
TabChild::SetBackgroundColor(const nscolor& aColor)
|
|
{
|
|
if (mLastBackgroundColor != aColor) {
|
|
mLastBackgroundColor = aColor;
|
|
SendSetBackgroundColor(mLastBackgroundColor);
|
|
}
|
|
}
|
|
|
|
void
|
|
TabChild::GetDPI(float* aDPI)
|
|
{
|
|
*aDPI = -1.0;
|
|
if (!mRemoteFrame) {
|
|
return;
|
|
}
|
|
|
|
SendGetDPI(aDPI);
|
|
}
|
|
|
|
void
|
|
TabChild::GetDefaultScale(double* aScale)
|
|
{
|
|
*aScale = -1.0;
|
|
if (!mRemoteFrame) {
|
|
return;
|
|
}
|
|
|
|
SendGetDefaultScale(aScale);
|
|
}
|
|
|
|
void
|
|
TabChild::NotifyPainted()
|
|
{
|
|
if (UseDirectCompositor() && !mNotified) {
|
|
mRemoteFrame->SendNotifyCompositorTransaction();
|
|
mNotified = true;
|
|
}
|
|
}
|
|
|
|
bool
|
|
TabChild::DispatchMouseEvent(const nsString& aType,
|
|
const CSSPoint& aPoint,
|
|
const int32_t& aButton,
|
|
const int32_t& aClickCount,
|
|
const int32_t& aModifiers,
|
|
const bool& aIgnoreRootScrollFrame,
|
|
const unsigned short& aInputSourceArg)
|
|
{
|
|
nsCOMPtr<nsIDOMWindowUtils> utils(GetDOMWindowUtils());
|
|
NS_ENSURE_TRUE(utils, true);
|
|
|
|
bool defaultPrevented = false;
|
|
utils->SendMouseEvent(aType, aPoint.x, aPoint.y, aButton, aClickCount, aModifiers,
|
|
aIgnoreRootScrollFrame, 0, aInputSourceArg, false, 4, &defaultPrevented);
|
|
return defaultPrevented;
|
|
}
|
|
|
|
void
|
|
TabChild::MakeVisible()
|
|
{
|
|
if (mWidget) {
|
|
mWidget->Show(true);
|
|
}
|
|
}
|
|
|
|
void
|
|
TabChild::MakeHidden()
|
|
{
|
|
if (mWidget) {
|
|
mWidget->Show(false);
|
|
}
|
|
}
|
|
|
|
void
|
|
TabChild::UpdateHitRegion(const nsRegion& aRegion)
|
|
{
|
|
mRemoteFrame->SendUpdateHitRegion(aRegion);
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
TabChild::GetMessageManager(nsIContentFrameMessageManager** aResult)
|
|
{
|
|
if (mTabChildGlobal) {
|
|
NS_ADDREF(*aResult = mTabChildGlobal);
|
|
return NS_OK;
|
|
}
|
|
*aResult = nullptr;
|
|
return NS_ERROR_FAILURE;
|
|
}
|
|
|
|
void
|
|
TabChild::SendRequestFocus(bool aCanFocus)
|
|
{
|
|
PBrowserChild::SendRequestFocus(aCanFocus);
|
|
}
|
|
|
|
PIndexedDBChild*
|
|
TabChild::AllocPIndexedDBChild(
|
|
const nsCString& aGroup,
|
|
const nsCString& aASCIIOrigin, bool* /* aAllowed */)
|
|
{
|
|
NS_NOTREACHED("Should never get here!");
|
|
return nullptr;
|
|
}
|
|
|
|
bool
|
|
TabChild::DeallocPIndexedDBChild(PIndexedDBChild* aActor)
|
|
{
|
|
delete aActor;
|
|
return true;
|
|
}
|
|
|
|
bool
|
|
TabChild::DoSendBlockingMessage(JSContext* aCx,
|
|
const nsAString& aMessage,
|
|
const StructuredCloneData& aData,
|
|
JS::Handle<JSObject *> aCpows,
|
|
nsIPrincipal* aPrincipal,
|
|
InfallibleTArray<nsString>* aJSONRetVal,
|
|
bool aIsSync)
|
|
{
|
|
ClonedMessageData data;
|
|
if (!BuildClonedMessageDataForChild(Manager(), aData, data)) {
|
|
return false;
|
|
}
|
|
InfallibleTArray<CpowEntry> cpows;
|
|
if (sCpowsEnabled) {
|
|
if (!Manager()->GetCPOWManager()->Wrap(aCx, aCpows, &cpows)) {
|
|
return false;
|
|
}
|
|
}
|
|
if (aIsSync) {
|
|
return SendSyncMessage(PromiseFlatString(aMessage), data, cpows,
|
|
aPrincipal, aJSONRetVal);
|
|
}
|
|
|
|
return CallRpcMessage(PromiseFlatString(aMessage), data, cpows,
|
|
aPrincipal, aJSONRetVal);
|
|
}
|
|
|
|
bool
|
|
TabChild::DoSendAsyncMessage(JSContext* aCx,
|
|
const nsAString& aMessage,
|
|
const StructuredCloneData& aData,
|
|
JS::Handle<JSObject *> aCpows,
|
|
nsIPrincipal* aPrincipal)
|
|
{
|
|
ClonedMessageData data;
|
|
if (!BuildClonedMessageDataForChild(Manager(), aData, data)) {
|
|
return false;
|
|
}
|
|
InfallibleTArray<CpowEntry> cpows;
|
|
if (sCpowsEnabled) {
|
|
if (!Manager()->GetCPOWManager()->Wrap(aCx, aCpows, &cpows)) {
|
|
return false;
|
|
}
|
|
}
|
|
return SendAsyncMessage(PromiseFlatString(aMessage), data, cpows,
|
|
aPrincipal);
|
|
}
|
|
|
|
TabChild*
|
|
TabChild::GetFrom(nsIPresShell* aPresShell)
|
|
{
|
|
nsIDocument* doc = aPresShell->GetDocument();
|
|
if (!doc) {
|
|
return nullptr;
|
|
}
|
|
nsCOMPtr<nsIDocShell> docShell(doc->GetDocShell());
|
|
return GetFrom(docShell);
|
|
}
|
|
|
|
TabChild*
|
|
TabChild::GetFrom(uint64_t aLayersId)
|
|
{
|
|
if (!sTabChildren) {
|
|
return nullptr;
|
|
}
|
|
return sTabChildren->Get(aLayersId);
|
|
}
|
|
|
|
void
|
|
TabChild::DidComposite(uint64_t aTransactionId)
|
|
{
|
|
MOZ_ASSERT(mWidget);
|
|
MOZ_ASSERT(mWidget->GetLayerManager());
|
|
MOZ_ASSERT(mWidget->GetLayerManager()->GetBackendType() == LayersBackend::LAYERS_CLIENT);
|
|
|
|
ClientLayerManager *manager = static_cast<ClientLayerManager*>(mWidget->GetLayerManager());
|
|
manager->DidComposite(aTransactionId);
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
TabChild::OnShowTooltip(int32_t aXCoords, int32_t aYCoords, const char16_t *aTipText)
|
|
{
|
|
nsString str(aTipText);
|
|
SendShowTooltip(aXCoords, aYCoords, str);
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
TabChild::OnHideTooltip()
|
|
{
|
|
SendHideTooltip();
|
|
return NS_OK;
|
|
}
|
|
|
|
bool
|
|
TabChild::RecvUIResolutionChanged()
|
|
{
|
|
static_cast<PuppetWidget*>(mWidget.get())->ClearBackingScaleCache();
|
|
nsCOMPtr<nsIDocument> document(GetDocument());
|
|
nsCOMPtr<nsIPresShell> presShell = document->GetShell();
|
|
nsRefPtr<nsPresContext> presContext = presShell->GetPresContext();
|
|
presContext->UIResolutionChanged();
|
|
return true;
|
|
}
|
|
|
|
TabChildGlobal::TabChildGlobal(TabChildBase* aTabChild)
|
|
: mTabChild(aTabChild)
|
|
{
|
|
}
|
|
|
|
TabChildGlobal::~TabChildGlobal()
|
|
{
|
|
}
|
|
|
|
void
|
|
TabChildGlobal::Init()
|
|
{
|
|
NS_ASSERTION(!mMessageManager, "Re-initializing?!?");
|
|
mMessageManager = new nsFrameMessageManager(mTabChild,
|
|
nullptr,
|
|
MM_CHILD);
|
|
}
|
|
|
|
NS_IMPL_CYCLE_COLLECTION_INHERITED(TabChildGlobal, DOMEventTargetHelper,
|
|
mMessageManager, mTabChild)
|
|
|
|
NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION_INHERITED(TabChildGlobal)
|
|
NS_INTERFACE_MAP_ENTRY(nsIMessageListenerManager)
|
|
NS_INTERFACE_MAP_ENTRY(nsIMessageSender)
|
|
NS_INTERFACE_MAP_ENTRY(nsISyncMessageSender)
|
|
NS_INTERFACE_MAP_ENTRY(nsIContentFrameMessageManager)
|
|
NS_INTERFACE_MAP_ENTRY(nsIScriptObjectPrincipal)
|
|
NS_INTERFACE_MAP_ENTRY(nsIGlobalObject)
|
|
NS_DOM_INTERFACE_MAP_ENTRY_CLASSINFO(ContentFrameMessageManager)
|
|
NS_INTERFACE_MAP_END_INHERITING(DOMEventTargetHelper)
|
|
|
|
NS_IMPL_ADDREF_INHERITED(TabChildGlobal, DOMEventTargetHelper)
|
|
NS_IMPL_RELEASE_INHERITED(TabChildGlobal, DOMEventTargetHelper)
|
|
|
|
/* [notxpcom] boolean markForCC (); */
|
|
// This method isn't automatically forwarded safely because it's notxpcom, so
|
|
// the IDL binding doesn't know what value to return.
|
|
NS_IMETHODIMP_(bool)
|
|
TabChildGlobal::MarkForCC()
|
|
{
|
|
return mMessageManager ? mMessageManager->MarkForCC() : false;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
TabChildGlobal::GetContent(nsIDOMWindow** aContent)
|
|
{
|
|
*aContent = nullptr;
|
|
if (!mTabChild)
|
|
return NS_ERROR_NULL_POINTER;
|
|
nsCOMPtr<nsIDOMWindow> window = do_GetInterface(mTabChild->WebNavigation());
|
|
window.swap(*aContent);
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
TabChildGlobal::PrivateNoteIntentionalCrash()
|
|
{
|
|
mozilla::NoteIntentionalCrash("tab");
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
TabChildGlobal::GetDocShell(nsIDocShell** aDocShell)
|
|
{
|
|
*aDocShell = nullptr;
|
|
if (!mTabChild)
|
|
return NS_ERROR_NULL_POINTER;
|
|
nsCOMPtr<nsIDocShell> docShell = do_GetInterface(mTabChild->WebNavigation());
|
|
docShell.swap(*aDocShell);
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
TabChildGlobal::Btoa(const nsAString& aBinaryData,
|
|
nsAString& aAsciiBase64String)
|
|
{
|
|
return nsContentUtils::Btoa(aBinaryData, aAsciiBase64String);
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
TabChildGlobal::Atob(const nsAString& aAsciiString,
|
|
nsAString& aBinaryData)
|
|
{
|
|
return nsContentUtils::Atob(aAsciiString, aBinaryData);
|
|
}
|
|
|
|
JSContext*
|
|
TabChildGlobal::GetJSContextForEventHandlers()
|
|
{
|
|
return nsContentUtils::GetSafeJSContext();
|
|
}
|
|
|
|
nsIPrincipal*
|
|
TabChildGlobal::GetPrincipal()
|
|
{
|
|
if (!mTabChild)
|
|
return nullptr;
|
|
return mTabChild->GetPrincipal();
|
|
}
|
|
|
|
JSObject*
|
|
TabChildGlobal::GetGlobalJSObject()
|
|
{
|
|
NS_ENSURE_TRUE(mTabChild, nullptr);
|
|
nsCOMPtr<nsIXPConnectJSObjectHolder> ref = mTabChild->GetGlobal();
|
|
NS_ENSURE_TRUE(ref, nullptr);
|
|
return ref->GetJSObject();
|
|
}
|
|
|