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-rw-r--r--editor/composer/nsEditingSession.cpp1303
1 files changed, 1303 insertions, 0 deletions
diff --git a/editor/composer/nsEditingSession.cpp b/editor/composer/nsEditingSession.cpp
new file mode 100644
index 0000000000..0b785fd5b9
--- /dev/null
+++ b/editor/composer/nsEditingSession.cpp
@@ -0,0 +1,1303 @@
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set ts=2 sw=2 et tw=78: */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#include <string.h> // for nullptr, strcmp
+
+#include "imgIContainer.h" // for imgIContainer, etc
+#include "mozilla/ComposerCommandsUpdater.h" // for ComposerCommandsUpdater
+#include "mozilla/FlushType.h" // for FlushType::Frames
+#include "mozilla/HTMLEditor.h" // for HTMLEditor
+#include "mozilla/mozalloc.h" // for operator new
+#include "mozilla/PresShell.h" // for PresShell
+#include "nsAString.h"
+#include "nsBaseCommandController.h" // for nsBaseCommandController
+#include "nsCommandManager.h" // for nsCommandManager
+#include "nsComponentManagerUtils.h" // for do_CreateInstance
+#include "nsContentUtils.h"
+#include "nsDebug.h" // for NS_ENSURE_SUCCESS, etc
+#include "nsEditingSession.h"
+#include "nsError.h" // for NS_ERROR_FAILURE, NS_OK, etc
+#include "nsIChannel.h" // for nsIChannel
+#include "nsIContentViewer.h" // for nsIContentViewer
+#include "nsIControllers.h" // for nsIControllers
+#include "nsID.h" // for NS_GET_IID, etc
+#include "nsHTMLDocument.h" // for nsHTMLDocument
+#include "nsIDocShell.h" // for nsIDocShell
+#include "mozilla/dom/Document.h" // for Document
+#include "nsIEditor.h" // for nsIEditor
+#include "nsIInterfaceRequestorUtils.h" // for do_GetInterface
+#include "nsIRefreshURI.h" // for nsIRefreshURI
+#include "nsIRequest.h" // for nsIRequest
+#include "nsITimer.h" // for nsITimer, etc
+#include "nsIWeakReference.h" // for nsISupportsWeakReference, etc
+#include "nsIWebNavigation.h" // for nsIWebNavigation
+#include "nsIWebProgress.h" // for nsIWebProgress, etc
+#include "nsLiteralString.h" // for NS_LITERAL_STRING
+#include "nsPIDOMWindow.h" // for nsPIDOMWindow
+#include "nsPresContext.h" // for nsPresContext
+#include "nsReadableUtils.h" // for AppendUTF16toUTF8
+#include "nsStringFwd.h" // for nsString
+#include "mozilla/dom/BrowsingContext.h" // for BrowsingContext
+#include "mozilla/dom/Selection.h" // for AutoHideSelectionChanges, etc
+#include "nsFrameSelection.h" // for nsFrameSelection
+#include "nsBaseCommandController.h" // for nsBaseCommandController
+#include "mozilla/dom/LoadURIOptionsBinding.h"
+
+class nsISupports;
+class nsIURI;
+
+using namespace mozilla;
+using namespace mozilla::dom;
+
+/*---------------------------------------------------------------------------
+
+ nsEditingSession
+
+----------------------------------------------------------------------------*/
+nsEditingSession::nsEditingSession()
+ : mDoneSetup(false),
+ mCanCreateEditor(false),
+ mInteractive(false),
+ mMakeWholeDocumentEditable(true),
+ mDisabledJSAndPlugins(false),
+ mScriptsEnabled(true),
+ mPluginsEnabled(true),
+ mProgressListenerRegistered(false),
+ mImageAnimationMode(0),
+ mEditorFlags(0),
+ mEditorStatus(eEditorOK),
+ mBaseCommandControllerId(0),
+ mDocStateControllerId(0),
+ mHTMLCommandControllerId(0) {}
+
+/*---------------------------------------------------------------------------
+
+ ~nsEditingSession
+
+----------------------------------------------------------------------------*/
+nsEditingSession::~nsEditingSession() {
+ // Must cancel previous timer?
+ if (mLoadBlankDocTimer) mLoadBlankDocTimer->Cancel();
+}
+
+NS_IMPL_ISUPPORTS(nsEditingSession, nsIEditingSession, nsIWebProgressListener,
+ nsISupportsWeakReference)
+
+/*---------------------------------------------------------------------------
+
+ MakeWindowEditable
+
+ aEditorType string, "html" "htmlsimple" "text" "textsimple"
+ void makeWindowEditable(in nsIDOMWindow aWindow, in string aEditorType,
+ in boolean aDoAfterUriLoad,
+ in boolean aMakeWholeDocumentEditable,
+ in boolean aInteractive);
+----------------------------------------------------------------------------*/
+#define DEFAULT_EDITOR_TYPE "html"
+
+NS_IMETHODIMP
+nsEditingSession::MakeWindowEditable(mozIDOMWindowProxy* aWindow,
+ const char* aEditorType,
+ bool aDoAfterUriLoad,
+ bool aMakeWholeDocumentEditable,
+ bool aInteractive) {
+ mEditorType.Truncate();
+ mEditorFlags = 0;
+
+ NS_ENSURE_TRUE(aWindow, NS_ERROR_FAILURE);
+ auto* window = nsPIDOMWindowOuter::From(aWindow);
+
+ // disable plugins
+ nsCOMPtr<nsIDocShell> docShell = window->GetDocShell();
+ NS_ENSURE_TRUE(docShell, NS_ERROR_FAILURE);
+ mDocShell = do_GetWeakReference(docShell);
+
+ mInteractive = aInteractive;
+ mMakeWholeDocumentEditable = aMakeWholeDocumentEditable;
+
+ nsresult rv;
+ if (!mInteractive) {
+ rv = DisableJSAndPlugins(*docShell);
+ NS_ENSURE_SUCCESS(rv, rv);
+ }
+
+ // Always remove existing editor
+ TearDownEditorOnWindow(aWindow);
+
+ // Tells embedder that startup is in progress
+ mEditorStatus = eEditorCreationInProgress;
+
+ // temporary to set editor type here. we will need different classes soon.
+ if (!aEditorType) aEditorType = DEFAULT_EDITOR_TYPE;
+ mEditorType = aEditorType;
+
+ // if all this does is setup listeners and I don't need listeners,
+ // can't this step be ignored?? (based on aDoAfterURILoad)
+ rv = PrepareForEditing(window);
+ NS_ENSURE_SUCCESS(rv, rv);
+
+ // set the flag on the docShell to say that it's editable
+ rv = docShell->MakeEditable(aDoAfterUriLoad);
+ NS_ENSURE_SUCCESS(rv, rv);
+
+ // Setup commands common to plaintext and html editors,
+ // including the document creation observers
+ // the first is an editing controller
+ rv = SetupEditorCommandController(
+ nsBaseCommandController::CreateEditingController, aWindow,
+ static_cast<nsIEditingSession*>(this), &mBaseCommandControllerId);
+ NS_ENSURE_SUCCESS(rv, rv);
+
+ // The second is a controller to monitor doc state,
+ // such as creation and "dirty flag"
+ rv = SetupEditorCommandController(
+ nsBaseCommandController::CreateHTMLEditorDocStateController, aWindow,
+ static_cast<nsIEditingSession*>(this), &mDocStateControllerId);
+ NS_ENSURE_SUCCESS(rv, rv);
+
+ // aDoAfterUriLoad can be false only when making an existing window editable
+ if (!aDoAfterUriLoad) {
+ rv = SetupEditorOnWindow(MOZ_KnownLive(*window));
+
+ // mEditorStatus is set to the error reason
+ // Since this is used only when editing an existing page,
+ // it IS ok to destroy current editor
+ if (NS_FAILED(rv)) {
+ TearDownEditorOnWindow(aWindow);
+ }
+ }
+ return rv;
+}
+
+nsresult nsEditingSession::DisableJSAndPlugins(nsIDocShell& aDocShell) {
+ bool tmp;
+ nsresult rv = aDocShell.GetAllowJavascript(&tmp);
+ NS_ENSURE_SUCCESS(rv, rv);
+
+ mScriptsEnabled = tmp;
+
+ rv = aDocShell.SetAllowJavascript(false);
+ NS_ENSURE_SUCCESS(rv, rv);
+
+ // Disable plugins in this document:
+ mPluginsEnabled = aDocShell.PluginsAllowedInCurrentDoc();
+
+ rv = aDocShell.GetBrowsingContext()->SetAllowPlugins(false);
+ NS_ENSURE_SUCCESS(rv, rv);
+
+ mDisabledJSAndPlugins = true;
+
+ return NS_OK;
+}
+
+nsresult nsEditingSession::RestoreJSAndPlugins(nsPIDOMWindowOuter* aWindow) {
+ if (!mDisabledJSAndPlugins) {
+ return NS_OK;
+ }
+
+ mDisabledJSAndPlugins = false;
+
+ if (NS_WARN_IF(!aWindow)) {
+ // DetachFromWindow may call this method with nullptr.
+ return NS_ERROR_FAILURE;
+ }
+ nsIDocShell* docShell = aWindow->GetDocShell();
+ NS_ENSURE_TRUE(docShell, NS_ERROR_FAILURE);
+
+ nsresult rv = docShell->SetAllowJavascript(mScriptsEnabled);
+ NS_ENSURE_SUCCESS(rv, rv);
+
+ // Disable plugins in this document:
+ auto* browsingContext = aWindow->GetBrowsingContext();
+ NS_ENSURE_TRUE(browsingContext, NS_ERROR_FAILURE);
+
+ return browsingContext->SetAllowPlugins(mPluginsEnabled);
+}
+
+/*---------------------------------------------------------------------------
+
+ WindowIsEditable
+
+ boolean windowIsEditable (in nsIDOMWindow aWindow);
+----------------------------------------------------------------------------*/
+NS_IMETHODIMP
+nsEditingSession::WindowIsEditable(mozIDOMWindowProxy* aWindow,
+ bool* outIsEditable) {
+ NS_ENSURE_STATE(aWindow);
+ nsCOMPtr<nsIDocShell> docShell =
+ nsPIDOMWindowOuter::From(aWindow)->GetDocShell();
+ NS_ENSURE_STATE(docShell);
+
+ return docShell->GetEditable(outIsEditable);
+}
+
+bool IsSupportedTextType(const nsAString& aMIMEType) {
+ // These are MIME types that are automatically parsed as "text/plain"
+ // and thus we can edit them as plaintext
+ // Note: in older versions, we attempted to convert the mimetype of
+ // the network channel for these and "text/xml" to "text/plain",
+ // but further investigation reveals that strategy doesn't work
+ static constexpr nsLiteralString sSupportedTextTypes[] = {
+ u"text/plain"_ns,
+ u"text/css"_ns,
+ u"text/rdf"_ns,
+ u"text/xsl"_ns,
+ u"text/javascript"_ns, // obsolete type
+ u"text/ecmascript"_ns, // obsolete type
+ u"application/javascript"_ns,
+ u"application/ecmascript"_ns,
+ u"application/x-javascript"_ns, // obsolete type
+ u"text/xul"_ns // obsolete type
+ };
+
+ for (const nsLiteralString& supportedTextType : sSupportedTextTypes) {
+ if (aMIMEType.Equals(supportedTextType)) {
+ return true;
+ }
+ }
+
+ return false;
+}
+
+nsresult nsEditingSession::SetupEditorOnWindow(nsPIDOMWindowOuter& aWindow) {
+ mDoneSetup = true;
+
+ // MIME CHECKING
+ // must get the content type
+ // Note: the doc gets this from the network channel during StartPageLoad,
+ // so we don't have to get it from there ourselves
+ nsAutoString mimeType;
+
+ // then lets check the mime type
+ if (RefPtr<Document> doc = aWindow.GetDoc()) {
+ doc->GetContentType(mimeType);
+
+ if (IsSupportedTextType(mimeType)) {
+ mEditorType.AssignLiteral("text");
+ mimeType.AssignLiteral("text/plain");
+ } else if (!doc->IsHTMLOrXHTML()) {
+ // Neither an acceptable text or html type.
+ mEditorStatus = eEditorErrorCantEditMimeType;
+
+ // Turn editor into HTML -- we will load blank page later
+ mEditorType.AssignLiteral("html");
+ mimeType.AssignLiteral("text/html");
+ }
+
+ // Flush out frame construction to make sure that the subframe's
+ // presshell is set up if it needs to be.
+ doc->FlushPendingNotifications(mozilla::FlushType::Frames);
+ if (mMakeWholeDocumentEditable) {
+ doc->SetEditableFlag(true);
+ // Enable usage of the execCommand API
+ doc->SetEditingState(Document::EditingState::eDesignMode);
+ }
+ }
+ bool needHTMLController = false;
+
+ if (mEditorType.EqualsLiteral("textmail")) {
+ mEditorFlags = nsIEditor::eEditorPlaintextMask |
+ nsIEditor::eEditorEnableWrapHackMask |
+ nsIEditor::eEditorMailMask;
+ } else if (mEditorType.EqualsLiteral("text")) {
+ mEditorFlags =
+ nsIEditor::eEditorPlaintextMask | nsIEditor::eEditorEnableWrapHackMask;
+ } else if (mEditorType.EqualsLiteral("htmlmail")) {
+ if (mimeType.EqualsLiteral("text/html")) {
+ needHTMLController = true;
+ mEditorFlags = nsIEditor::eEditorMailMask;
+ } else {
+ // Set the flags back to textplain.
+ mEditorFlags = nsIEditor::eEditorPlaintextMask |
+ nsIEditor::eEditorEnableWrapHackMask;
+ }
+ } else {
+ // Defaulted to html
+ needHTMLController = true;
+ }
+
+ if (mInteractive) {
+ mEditorFlags |= nsIEditor::eEditorAllowInteraction;
+ }
+
+ // make the UI state maintainer
+ mComposerCommandsUpdater = new ComposerCommandsUpdater();
+
+ // now init the state maintainer
+ // This allows notification of error state
+ // even if we don't create an editor
+ mComposerCommandsUpdater->Init(aWindow);
+
+ if (mEditorStatus != eEditorCreationInProgress) {
+ RefPtr<ComposerCommandsUpdater> updater = mComposerCommandsUpdater;
+ updater->OnHTMLEditorCreated();
+
+ // At this point we have made a final decision that we don't support
+ // editing the current document. This is an internal failure state, but
+ // we return NS_OK to avoid throwing an exception from the designMode
+ // setter for web compatibility. The document editing APIs will tell the
+ // developer if editing has been disabled because we're in a document type
+ // that doesn't support editing.
+ return NS_OK;
+ }
+
+ // Create editor and do other things
+ // only if we haven't found some error above,
+ nsCOMPtr<nsIDocShell> docShell = aWindow.GetDocShell();
+ NS_ENSURE_TRUE(docShell, NS_ERROR_FAILURE);
+ RefPtr<PresShell> presShell = docShell->GetPresShell();
+ if (NS_WARN_IF(!presShell)) {
+ return NS_ERROR_FAILURE;
+ }
+
+ if (!mInteractive) {
+ // Disable animation of images in this document:
+ nsPresContext* presContext = presShell->GetPresContext();
+ NS_ENSURE_TRUE(presContext, NS_ERROR_FAILURE);
+
+ mImageAnimationMode = presContext->ImageAnimationMode();
+ presContext->SetImageAnimationMode(imgIContainer::kDontAnimMode);
+ }
+
+ // Hide selection changes during initialization, in order to hide this
+ // from web pages.
+ RefPtr<nsFrameSelection> fs = presShell->FrameSelection();
+ NS_ENSURE_TRUE(fs, NS_ERROR_FAILURE);
+ AutoHideSelectionChanges hideSelectionChanges(fs);
+
+ // create and set editor
+ // Try to reuse an existing editor
+ nsCOMPtr<nsIEditor> editor = do_QueryReferent(mExistingEditor);
+ RefPtr<HTMLEditor> htmlEditor = editor ? editor->AsHTMLEditor() : nullptr;
+ MOZ_ASSERT(!editor || htmlEditor);
+ if (htmlEditor) {
+ htmlEditor->PreDestroy(false);
+ } else {
+ htmlEditor = new HTMLEditor();
+ mExistingEditor =
+ do_GetWeakReference(static_cast<nsIEditor*>(htmlEditor.get()));
+ }
+ // set the editor on the docShell. The docShell now owns it.
+ nsresult rv = docShell->SetHTMLEditor(htmlEditor);
+ NS_ENSURE_SUCCESS(rv, rv);
+
+ // setup the HTML editor command controller
+ if (needHTMLController) {
+ // The third controller takes an nsIEditor as the context
+ rv = SetupEditorCommandController(
+ nsBaseCommandController::CreateHTMLEditorController, &aWindow,
+ static_cast<nsIEditor*>(htmlEditor), &mHTMLCommandControllerId);
+ NS_ENSURE_SUCCESS(rv, rv);
+ }
+
+ // Set mimetype on editor
+ rv = htmlEditor->SetContentsMIMEType(mimeType);
+ NS_ENSURE_SUCCESS(rv, rv);
+
+ nsCOMPtr<nsIContentViewer> contentViewer;
+ rv = docShell->GetContentViewer(getter_AddRefs(contentViewer));
+ NS_ENSURE_SUCCESS(rv, rv);
+ NS_ENSURE_TRUE(contentViewer, NS_ERROR_FAILURE);
+
+ RefPtr<Document> doc = contentViewer->GetDocument();
+ if (NS_WARN_IF(!doc)) {
+ return NS_ERROR_FAILURE;
+ }
+
+ // Set up as a doc state listener
+ // Important! We must have this to broadcast the "obs_documentCreated" message
+ htmlEditor->SetComposerCommandsUpdater(mComposerCommandsUpdater);
+
+ rv = htmlEditor->Init(*doc, nullptr /* root content */, nullptr, mEditorFlags,
+ u""_ns);
+ NS_ENSURE_SUCCESS(rv, rv);
+
+ RefPtr<Selection> selection = htmlEditor->GetSelection();
+ if (NS_WARN_IF(!selection)) {
+ return NS_ERROR_FAILURE;
+ }
+
+ // and as a transaction listener
+ MOZ_ASSERT(mComposerCommandsUpdater);
+ DebugOnly<bool> addedTransactionListener =
+ htmlEditor->AddTransactionListener(*mComposerCommandsUpdater);
+ NS_WARNING_ASSERTION(addedTransactionListener,
+ "Failed to add transaction listener to the editor");
+
+ // Set context on all controllers to be the editor
+ rv = SetEditorOnControllers(aWindow, htmlEditor);
+ NS_ENSURE_SUCCESS(rv, rv);
+
+ // Everything went fine!
+ mEditorStatus = eEditorOK;
+
+ // This will trigger documentCreation notification
+ return htmlEditor->PostCreate();
+}
+
+// Removes all listeners and controllers from aWindow and aEditor.
+void nsEditingSession::RemoveListenersAndControllers(
+ nsPIDOMWindowOuter* aWindow, HTMLEditor* aHTMLEditor) {
+ if (!mComposerCommandsUpdater || !aHTMLEditor) {
+ return;
+ }
+
+ // Remove all the listeners
+ aHTMLEditor->SetComposerCommandsUpdater(nullptr);
+ DebugOnly<bool> removedTransactionListener =
+ aHTMLEditor->RemoveTransactionListener(*mComposerCommandsUpdater);
+ NS_WARNING_ASSERTION(removedTransactionListener,
+ "Failed to remove transaction listener from the editor");
+
+ // Remove editor controllers from the window now that we're not
+ // editing in that window any more.
+ RemoveEditorControllers(aWindow);
+}
+
+/*---------------------------------------------------------------------------
+
+ TearDownEditorOnWindow
+
+ void tearDownEditorOnWindow (in nsIDOMWindow aWindow);
+----------------------------------------------------------------------------*/
+NS_IMETHODIMP
+nsEditingSession::TearDownEditorOnWindow(mozIDOMWindowProxy* aWindow) {
+ if (!mDoneSetup) {
+ return NS_OK;
+ }
+
+ NS_ENSURE_TRUE(aWindow, NS_ERROR_NULL_POINTER);
+
+ // Kill any existing reload timer
+ if (mLoadBlankDocTimer) {
+ mLoadBlankDocTimer->Cancel();
+ mLoadBlankDocTimer = nullptr;
+ }
+
+ mDoneSetup = false;
+
+ // Check if we're turning off editing (from contentEditable or designMode).
+ auto* window = nsPIDOMWindowOuter::From(aWindow);
+
+ RefPtr<Document> doc = window->GetDoc();
+ bool stopEditing = doc && doc->IsEditingOn();
+ if (stopEditing) {
+ RemoveWebProgressListener(window);
+ }
+
+ nsCOMPtr<nsIDocShell> docShell = window->GetDocShell();
+ NS_ENSURE_STATE(docShell);
+
+ RefPtr<HTMLEditor> htmlEditor = docShell->GetHTMLEditor();
+ if (stopEditing) {
+ doc->TearingDownEditor();
+ }
+
+ if (mComposerCommandsUpdater && htmlEditor) {
+ // Null out the editor on the controllers first to prevent their weak
+ // references from pointing to a destroyed editor.
+ SetEditorOnControllers(*window, nullptr);
+ }
+
+ // Null out the editor on the docShell to trigger PreDestroy which
+ // needs to happen before document state listeners are removed below.
+ docShell->SetEditor(nullptr);
+
+ RemoveListenersAndControllers(window, htmlEditor);
+
+ if (stopEditing) {
+ // Make things the way they were before we started editing.
+ RestoreJSAndPlugins(window);
+ RestoreAnimationMode(window);
+
+ if (mMakeWholeDocumentEditable) {
+ doc->SetEditableFlag(false);
+ doc->SetEditingState(Document::EditingState::eOff);
+ }
+ }
+
+ return NS_OK;
+}
+
+/*---------------------------------------------------------------------------
+
+ GetEditorForFrame
+
+ nsIEditor getEditorForFrame (in nsIDOMWindow aWindow);
+----------------------------------------------------------------------------*/
+NS_IMETHODIMP
+nsEditingSession::GetEditorForWindow(mozIDOMWindowProxy* aWindow,
+ nsIEditor** outEditor) {
+ if (NS_WARN_IF(!aWindow)) {
+ return NS_ERROR_INVALID_ARG;
+ }
+ nsCOMPtr<nsIEditor> editor = GetHTMLEditorForWindow(aWindow);
+ editor.forget(outEditor);
+ return NS_OK;
+}
+
+/*---------------------------------------------------------------------------
+
+ OnStateChange
+
+----------------------------------------------------------------------------*/
+NS_IMETHODIMP
+nsEditingSession::OnStateChange(nsIWebProgress* aWebProgress,
+ nsIRequest* aRequest, uint32_t aStateFlags,
+ nsresult aStatus) {
+#ifdef NOISY_DOC_LOADING
+ nsCOMPtr<nsIChannel> channel(do_QueryInterface(aRequest));
+ if (channel) {
+ nsAutoCString contentType;
+ channel->GetContentType(contentType);
+ if (!contentType.IsEmpty()) {
+ printf(" ++++++ MIMETYPE = %s\n", contentType.get());
+ }
+ }
+#endif
+
+ //
+ // A Request has started...
+ //
+ if (aStateFlags & nsIWebProgressListener::STATE_START) {
+#ifdef NOISY_DOC_LOADING
+ {
+ nsCOMPtr<nsIChannel> channel(do_QueryInterface(aRequest));
+ if (channel) {
+ nsCOMPtr<nsIURI> uri;
+ channel->GetURI(getter_AddRefs(uri));
+ if (uri) {
+ nsCString spec;
+ uri->GetSpec(spec);
+ printf(" **** STATE_START: CHANNEL URI=%s, flags=%x\n", spec.get(),
+ aStateFlags);
+ }
+ } else {
+ printf(" STATE_START: NO CHANNEL flags=%x\n", aStateFlags);
+ }
+ }
+#endif
+ // Page level notification...
+ if (aStateFlags & nsIWebProgressListener::STATE_IS_NETWORK) {
+ nsCOMPtr<nsIChannel> channel(do_QueryInterface(aRequest));
+ StartPageLoad(channel);
+#ifdef NOISY_DOC_LOADING
+ printf("STATE_START & STATE_IS_NETWORK flags=%x\n", aStateFlags);
+#endif
+ }
+
+ // Document level notification...
+ if (aStateFlags & nsIWebProgressListener::STATE_IS_DOCUMENT &&
+ !(aStateFlags & nsIWebProgressListener::STATE_RESTORING)) {
+#ifdef NOISY_DOC_LOADING
+ printf("STATE_START & STATE_IS_DOCUMENT flags=%x\n", aStateFlags);
+#endif
+
+ bool progressIsForTargetDocument =
+ IsProgressForTargetDocument(aWebProgress);
+
+ if (progressIsForTargetDocument) {
+ nsCOMPtr<mozIDOMWindowProxy> window;
+ aWebProgress->GetDOMWindow(getter_AddRefs(window));
+
+ auto* piWindow = nsPIDOMWindowOuter::From(window);
+ RefPtr<Document> doc = piWindow->GetDoc();
+ nsHTMLDocument* htmlDoc =
+ doc && doc->IsHTMLOrXHTML() ? doc->AsHTMLDocument() : nullptr;
+ if (htmlDoc && doc->IsWriting()) {
+ nsAutoString designMode;
+ htmlDoc->GetDesignMode(designMode);
+
+ if (designMode.EqualsLiteral("on")) {
+ // This notification is for data coming in through
+ // document.open/write/close(), ignore it.
+
+ return NS_OK;
+ }
+ }
+
+ mCanCreateEditor = true;
+ StartDocumentLoad(aWebProgress, progressIsForTargetDocument);
+ }
+ }
+ }
+ //
+ // A Request is being processed
+ //
+ else if (aStateFlags & nsIWebProgressListener::STATE_TRANSFERRING) {
+ if (aStateFlags & nsIWebProgressListener::STATE_IS_DOCUMENT) {
+ // document transfer started
+ }
+ }
+ //
+ // Got a redirection
+ //
+ else if (aStateFlags & nsIWebProgressListener::STATE_REDIRECTING) {
+ if (aStateFlags & nsIWebProgressListener::STATE_IS_DOCUMENT) {
+ // got a redirect
+ }
+ }
+ //
+ // A network or document Request has finished...
+ //
+ else if (aStateFlags & nsIWebProgressListener::STATE_STOP) {
+#ifdef NOISY_DOC_LOADING
+ {
+ nsCOMPtr<nsIChannel> channel(do_QueryInterface(aRequest));
+ if (channel) {
+ nsCOMPtr<nsIURI> uri;
+ channel->GetURI(getter_AddRefs(uri));
+ if (uri) {
+ nsCString spec;
+ uri->GetSpec(spec);
+ printf(" **** STATE_STOP: CHANNEL URI=%s, flags=%x\n", spec.get(),
+ aStateFlags);
+ }
+ } else {
+ printf(" STATE_STOP: NO CHANNEL flags=%x\n", aStateFlags);
+ }
+ }
+#endif
+
+ // Document level notification...
+ if (aStateFlags & nsIWebProgressListener::STATE_IS_DOCUMENT) {
+ nsCOMPtr<nsIChannel> channel = do_QueryInterface(aRequest);
+ EndDocumentLoad(aWebProgress, channel, aStatus,
+ IsProgressForTargetDocument(aWebProgress));
+#ifdef NOISY_DOC_LOADING
+ printf("STATE_STOP & STATE_IS_DOCUMENT flags=%x\n", aStateFlags);
+#endif
+ }
+
+ // Page level notification...
+ if (aStateFlags & nsIWebProgressListener::STATE_IS_NETWORK) {
+ nsCOMPtr<nsIChannel> channel = do_QueryInterface(aRequest);
+ (void)EndPageLoad(aWebProgress, channel, aStatus);
+#ifdef NOISY_DOC_LOADING
+ printf("STATE_STOP & STATE_IS_NETWORK flags=%x\n", aStateFlags);
+#endif
+ }
+ }
+
+ return NS_OK;
+}
+
+/*---------------------------------------------------------------------------
+
+ OnProgressChange
+
+----------------------------------------------------------------------------*/
+NS_IMETHODIMP
+nsEditingSession::OnProgressChange(nsIWebProgress* aWebProgress,
+ nsIRequest* aRequest,
+ int32_t aCurSelfProgress,
+ int32_t aMaxSelfProgress,
+ int32_t aCurTotalProgress,
+ int32_t aMaxTotalProgress) {
+ MOZ_ASSERT_UNREACHABLE("notification excluded in AddProgressListener(...)");
+ return NS_OK;
+}
+
+/*---------------------------------------------------------------------------
+
+ OnLocationChange
+
+----------------------------------------------------------------------------*/
+NS_IMETHODIMP
+nsEditingSession::OnLocationChange(nsIWebProgress* aWebProgress,
+ nsIRequest* aRequest, nsIURI* aURI,
+ uint32_t aFlags) {
+ nsCOMPtr<mozIDOMWindowProxy> domWindow;
+ nsresult rv = aWebProgress->GetDOMWindow(getter_AddRefs(domWindow));
+ NS_ENSURE_SUCCESS(rv, rv);
+
+ auto* piWindow = nsPIDOMWindowOuter::From(domWindow);
+
+ RefPtr<Document> doc = piWindow->GetDoc();
+ NS_ENSURE_TRUE(doc, NS_ERROR_FAILURE);
+
+ doc->SetDocumentURI(aURI);
+
+ // Notify the location-changed observer that
+ // the document URL has changed
+ nsIDocShell* docShell = piWindow->GetDocShell();
+ NS_ENSURE_TRUE(docShell, NS_ERROR_FAILURE);
+
+ RefPtr<nsCommandManager> commandManager = docShell->GetCommandManager();
+ commandManager->CommandStatusChanged("obs_documentLocationChanged");
+ return NS_OK;
+}
+
+/*---------------------------------------------------------------------------
+
+ OnStatusChange
+
+----------------------------------------------------------------------------*/
+NS_IMETHODIMP
+nsEditingSession::OnStatusChange(nsIWebProgress* aWebProgress,
+ nsIRequest* aRequest, nsresult aStatus,
+ const char16_t* aMessage) {
+ MOZ_ASSERT_UNREACHABLE("notification excluded in AddProgressListener(...)");
+ return NS_OK;
+}
+
+/*---------------------------------------------------------------------------
+
+ OnSecurityChange
+
+----------------------------------------------------------------------------*/
+NS_IMETHODIMP
+nsEditingSession::OnSecurityChange(nsIWebProgress* aWebProgress,
+ nsIRequest* aRequest, uint32_t aState) {
+ MOZ_ASSERT_UNREACHABLE("notification excluded in AddProgressListener(...)");
+ return NS_OK;
+}
+
+/*---------------------------------------------------------------------------
+
+ OnContentBlockingEvent
+
+----------------------------------------------------------------------------*/
+NS_IMETHODIMP
+nsEditingSession::OnContentBlockingEvent(nsIWebProgress* aWebProgress,
+ nsIRequest* aRequest,
+ uint32_t aEvent) {
+ MOZ_ASSERT_UNREACHABLE("notification excluded in AddProgressListener(...)");
+ return NS_OK;
+}
+
+/*---------------------------------------------------------------------------
+
+ IsProgressForTargetDocument
+
+ Check that this notification is for our document.
+----------------------------------------------------------------------------*/
+
+bool nsEditingSession::IsProgressForTargetDocument(
+ nsIWebProgress* aWebProgress) {
+ nsCOMPtr<nsIWebProgress> editedWebProgress = do_QueryReferent(mDocShell);
+ return editedWebProgress == aWebProgress;
+}
+
+/*---------------------------------------------------------------------------
+
+ GetEditorStatus
+
+ Called during GetCommandStateParams("obs_documentCreated"...)
+ to determine if editor was created and document
+ was loaded successfully
+----------------------------------------------------------------------------*/
+NS_IMETHODIMP
+nsEditingSession::GetEditorStatus(uint32_t* aStatus) {
+ NS_ENSURE_ARG_POINTER(aStatus);
+ *aStatus = mEditorStatus;
+ return NS_OK;
+}
+
+/*---------------------------------------------------------------------------
+
+ StartDocumentLoad
+
+ Called on start of load in a single frame
+----------------------------------------------------------------------------*/
+nsresult nsEditingSession::StartDocumentLoad(nsIWebProgress* aWebProgress,
+ bool aIsToBeMadeEditable) {
+#ifdef NOISY_DOC_LOADING
+ printf("======= StartDocumentLoad ========\n");
+#endif
+
+ NS_ENSURE_ARG_POINTER(aWebProgress);
+
+ if (aIsToBeMadeEditable) {
+ mEditorStatus = eEditorCreationInProgress;
+ }
+
+ return NS_OK;
+}
+
+/*---------------------------------------------------------------------------
+
+ EndDocumentLoad
+
+ Called on end of load in a single frame
+----------------------------------------------------------------------------*/
+nsresult nsEditingSession::EndDocumentLoad(nsIWebProgress* aWebProgress,
+ nsIChannel* aChannel,
+ nsresult aStatus,
+ bool aIsToBeMadeEditable) {
+ NS_ENSURE_ARG_POINTER(aWebProgress);
+
+#ifdef NOISY_DOC_LOADING
+ printf("======= EndDocumentLoad ========\n");
+ printf("with status %d, ", aStatus);
+ nsCOMPtr<nsIURI> uri;
+ nsCString spec;
+ if (NS_SUCCEEDED(aChannel->GetURI(getter_AddRefs(uri)))) {
+ uri->GetSpec(spec);
+ printf(" uri %s\n", spec.get());
+ }
+#endif
+
+ // We want to call the base class EndDocumentLoad,
+ // but avoid some of the stuff
+ // that nsDocShell does (need to refactor).
+
+ // OK, time to make an editor on this document
+ nsCOMPtr<mozIDOMWindowProxy> domWindow;
+ aWebProgress->GetDOMWindow(getter_AddRefs(domWindow));
+ NS_ENSURE_TRUE(domWindow, NS_ERROR_FAILURE);
+
+ // Set the error state -- we will create an editor
+ // anyway and load empty doc later
+ if (aIsToBeMadeEditable && aStatus == NS_ERROR_FILE_NOT_FOUND) {
+ mEditorStatus = eEditorErrorFileNotFound;
+ }
+
+ auto* window = nsPIDOMWindowOuter::From(domWindow);
+ nsIDocShell* docShell = window->GetDocShell();
+ NS_ENSURE_TRUE(docShell, NS_ERROR_FAILURE); // better error handling?
+
+ // cancel refresh from meta tags
+ // we need to make sure that all pages in editor (whether editable or not)
+ // can't refresh contents being edited
+ nsCOMPtr<nsIRefreshURI> refreshURI = do_QueryInterface(docShell);
+ if (refreshURI) {
+ refreshURI->CancelRefreshURITimers();
+ }
+
+ nsresult rv = NS_OK;
+
+ // did someone set the flag to make this shell editable?
+ if (aIsToBeMadeEditable && mCanCreateEditor) {
+ bool makeEditable;
+ docShell->GetEditable(&makeEditable);
+
+ if (makeEditable) {
+ // To keep pre Gecko 1.9 behavior, setup editor always when
+ // mMakeWholeDocumentEditable.
+ bool needsSetup = false;
+ if (mMakeWholeDocumentEditable) {
+ needsSetup = true;
+ } else {
+ // do we already have an editor here?
+ needsSetup = !docShell->GetHTMLEditor();
+ }
+
+ if (needsSetup) {
+ mCanCreateEditor = false;
+ rv = SetupEditorOnWindow(MOZ_KnownLive(*window));
+ if (NS_FAILED(rv)) {
+ // If we had an error, setup timer to load a blank page later
+ if (mLoadBlankDocTimer) {
+ // Must cancel previous timer?
+ mLoadBlankDocTimer->Cancel();
+ mLoadBlankDocTimer = nullptr;
+ }
+
+ rv = NS_NewTimerWithFuncCallback(getter_AddRefs(mLoadBlankDocTimer),
+ nsEditingSession::TimerCallback,
+ static_cast<void*>(mDocShell.get()),
+ 10, nsITimer::TYPE_ONE_SHOT,
+ "nsEditingSession::EndDocumentLoad");
+ NS_ENSURE_SUCCESS(rv, rv);
+
+ mEditorStatus = eEditorCreationInProgress;
+ }
+ }
+ }
+ }
+ return rv;
+}
+
+void nsEditingSession::TimerCallback(nsITimer* aTimer, void* aClosure) {
+ nsCOMPtr<nsIDocShell> docShell =
+ do_QueryReferent(static_cast<nsIWeakReference*>(aClosure));
+ if (docShell) {
+ nsCOMPtr<nsIWebNavigation> webNav(do_QueryInterface(docShell));
+ if (webNav) {
+ LoadURIOptions loadURIOptions;
+ loadURIOptions.mTriggeringPrincipal =
+ nsContentUtils::GetSystemPrincipal();
+ webNav->LoadURI(u"about:blank"_ns, loadURIOptions);
+ }
+ }
+}
+
+/*---------------------------------------------------------------------------
+
+ StartPageLoad
+
+ Called on start load of the entire page (incl. subframes)
+----------------------------------------------------------------------------*/
+nsresult nsEditingSession::StartPageLoad(nsIChannel* aChannel) {
+#ifdef NOISY_DOC_LOADING
+ printf("======= StartPageLoad ========\n");
+#endif
+ return NS_OK;
+}
+
+/*---------------------------------------------------------------------------
+
+ EndPageLoad
+
+ Called on end load of the entire page (incl. subframes)
+----------------------------------------------------------------------------*/
+nsresult nsEditingSession::EndPageLoad(nsIWebProgress* aWebProgress,
+ nsIChannel* aChannel, nsresult aStatus) {
+#ifdef NOISY_DOC_LOADING
+ printf("======= EndPageLoad ========\n");
+ printf(" with status %d, ", aStatus);
+ nsCOMPtr<nsIURI> uri;
+ nsCString spec;
+ if (NS_SUCCEEDED(aChannel->GetURI(getter_AddRefs(uri)))) {
+ uri->GetSpec(spec);
+ printf("uri %s\n", spec.get());
+ }
+
+ nsAutoCString contentType;
+ aChannel->GetContentType(contentType);
+ if (!contentType.IsEmpty()) {
+ printf(" flags = %d, status = %d, MIMETYPE = %s\n", mEditorFlags,
+ mEditorStatus, contentType.get());
+ }
+#endif
+
+ // Set the error state -- we will create an editor anyway
+ // and load empty doc later
+ if (aStatus == NS_ERROR_FILE_NOT_FOUND) {
+ mEditorStatus = eEditorErrorFileNotFound;
+ }
+
+ nsCOMPtr<mozIDOMWindowProxy> domWindow;
+ aWebProgress->GetDOMWindow(getter_AddRefs(domWindow));
+
+ nsIDocShell* docShell =
+ domWindow ? nsPIDOMWindowOuter::From(domWindow)->GetDocShell() : nullptr;
+ NS_ENSURE_TRUE(docShell, NS_ERROR_FAILURE);
+
+ // cancel refresh from meta tags
+ // we need to make sure that all pages in editor (whether editable or not)
+ // can't refresh contents being edited
+ nsCOMPtr<nsIRefreshURI> refreshURI = do_QueryInterface(docShell);
+ if (refreshURI) {
+ refreshURI->CancelRefreshURITimers();
+ }
+
+#if 0
+ // Shouldn't we do this when we want to edit sub-frames?
+ return MakeWindowEditable(domWindow, "html", false, mInteractive);
+#else
+ return NS_OK;
+#endif
+}
+
+/*---------------------------------------------------------------------------
+
+ PrepareForEditing
+
+ Set up this editing session for one or more editors
+----------------------------------------------------------------------------*/
+nsresult nsEditingSession::PrepareForEditing(nsPIDOMWindowOuter* aWindow) {
+ if (mProgressListenerRegistered) {
+ return NS_OK;
+ }
+
+ nsIDocShell* docShell = aWindow ? aWindow->GetDocShell() : nullptr;
+
+ // register callback
+ nsCOMPtr<nsIWebProgress> webProgress = do_GetInterface(docShell);
+ NS_ENSURE_TRUE(webProgress, NS_ERROR_FAILURE);
+
+ nsresult rv = webProgress->AddProgressListener(
+ this, (nsIWebProgress::NOTIFY_STATE_NETWORK |
+ nsIWebProgress::NOTIFY_STATE_DOCUMENT |
+ nsIWebProgress::NOTIFY_LOCATION));
+
+ mProgressListenerRegistered = NS_SUCCEEDED(rv);
+
+ return rv;
+}
+
+/*---------------------------------------------------------------------------
+
+ SetupEditorCommandController
+
+ Create a command controller, append to controllers,
+ get and return the controller ID, and set the context
+----------------------------------------------------------------------------*/
+nsresult nsEditingSession::SetupEditorCommandController(
+ nsEditingSession::ControllerCreatorFn aControllerCreatorFn,
+ mozIDOMWindowProxy* aWindow, nsISupports* aContext,
+ uint32_t* aControllerId) {
+ NS_ENSURE_ARG_POINTER(aControllerCreatorFn);
+ NS_ENSURE_ARG_POINTER(aWindow);
+ NS_ENSURE_ARG_POINTER(aContext);
+ NS_ENSURE_ARG_POINTER(aControllerId);
+
+ auto* piWindow = nsPIDOMWindowOuter::From(aWindow);
+ MOZ_ASSERT(piWindow);
+
+ nsCOMPtr<nsIControllers> controllers;
+ nsresult rv = piWindow->GetControllers(getter_AddRefs(controllers));
+ NS_ENSURE_SUCCESS(rv, rv);
+
+ // We only have to create each singleton controller once
+ // We know this has happened once we have a controllerId value
+ if (!*aControllerId) {
+ RefPtr<nsBaseCommandController> commandController = aControllerCreatorFn();
+ NS_ENSURE_TRUE(commandController, NS_ERROR_FAILURE);
+
+ // We must insert at head of the list to be sure our
+ // controller is found before other implementations
+ // (e.g., not-implemented versions by browser)
+ rv = controllers->InsertControllerAt(0, commandController);
+ NS_ENSURE_SUCCESS(rv, rv);
+
+ // Remember the ID for the controller
+ rv = controllers->GetControllerId(commandController, aControllerId);
+ NS_ENSURE_SUCCESS(rv, rv);
+ }
+
+ // Set the context
+ return SetContextOnControllerById(controllers, aContext, *aControllerId);
+}
+
+nsresult nsEditingSession::SetEditorOnControllers(nsPIDOMWindowOuter& aWindow,
+ HTMLEditor* aEditor) {
+ nsCOMPtr<nsIControllers> controllers;
+ nsresult rv = aWindow.GetControllers(getter_AddRefs(controllers));
+ NS_ENSURE_SUCCESS(rv, rv);
+
+ nsCOMPtr<nsISupports> editorAsISupports = static_cast<nsIEditor*>(aEditor);
+ if (mBaseCommandControllerId) {
+ rv = SetContextOnControllerById(controllers, editorAsISupports,
+ mBaseCommandControllerId);
+ NS_ENSURE_SUCCESS(rv, rv);
+ }
+
+ if (mDocStateControllerId) {
+ rv = SetContextOnControllerById(controllers, editorAsISupports,
+ mDocStateControllerId);
+ NS_ENSURE_SUCCESS(rv, rv);
+ }
+
+ if (mHTMLCommandControllerId) {
+ rv = SetContextOnControllerById(controllers, editorAsISupports,
+ mHTMLCommandControllerId);
+ }
+
+ return rv;
+}
+
+nsresult nsEditingSession::SetContextOnControllerById(
+ nsIControllers* aControllers, nsISupports* aContext, uint32_t aID) {
+ NS_ENSURE_ARG_POINTER(aControllers);
+
+ // aContext can be null (when destroying editor)
+ nsCOMPtr<nsIController> controller;
+ aControllers->GetControllerById(aID, getter_AddRefs(controller));
+
+ // ok with nil controller
+ nsCOMPtr<nsIControllerContext> editorController =
+ do_QueryInterface(controller);
+ NS_ENSURE_TRUE(editorController, NS_ERROR_FAILURE);
+
+ return editorController->SetCommandContext(aContext);
+}
+
+void nsEditingSession::RemoveEditorControllers(nsPIDOMWindowOuter* aWindow) {
+ // Remove editor controllers from the aWindow, call when we're
+ // tearing down/detaching editor.
+
+ nsCOMPtr<nsIControllers> controllers;
+ if (aWindow) {
+ aWindow->GetControllers(getter_AddRefs(controllers));
+ }
+
+ if (controllers) {
+ nsCOMPtr<nsIController> controller;
+ if (mBaseCommandControllerId) {
+ controllers->GetControllerById(mBaseCommandControllerId,
+ getter_AddRefs(controller));
+ if (controller) {
+ controllers->RemoveController(controller);
+ }
+ }
+
+ if (mDocStateControllerId) {
+ controllers->GetControllerById(mDocStateControllerId,
+ getter_AddRefs(controller));
+ if (controller) {
+ controllers->RemoveController(controller);
+ }
+ }
+
+ if (mHTMLCommandControllerId) {
+ controllers->GetControllerById(mHTMLCommandControllerId,
+ getter_AddRefs(controller));
+ if (controller) {
+ controllers->RemoveController(controller);
+ }
+ }
+ }
+
+ // Clear IDs to trigger creation of new controllers.
+ mBaseCommandControllerId = 0;
+ mDocStateControllerId = 0;
+ mHTMLCommandControllerId = 0;
+}
+
+void nsEditingSession::RemoveWebProgressListener(nsPIDOMWindowOuter* aWindow) {
+ nsIDocShell* docShell = aWindow ? aWindow->GetDocShell() : nullptr;
+ nsCOMPtr<nsIWebProgress> webProgress = do_GetInterface(docShell);
+ if (webProgress) {
+ webProgress->RemoveProgressListener(this);
+ mProgressListenerRegistered = false;
+ }
+}
+
+void nsEditingSession::RestoreAnimationMode(nsPIDOMWindowOuter* aWindow) {
+ if (mInteractive) {
+ return;
+ }
+
+ nsCOMPtr<nsIDocShell> docShell = aWindow ? aWindow->GetDocShell() : nullptr;
+ NS_ENSURE_TRUE_VOID(docShell);
+ RefPtr<PresShell> presShell = docShell->GetPresShell();
+ if (NS_WARN_IF(!presShell)) {
+ return;
+ }
+ nsPresContext* presContext = presShell->GetPresContext();
+ NS_ENSURE_TRUE_VOID(presContext);
+
+ presContext->SetImageAnimationMode(mImageAnimationMode);
+}
+
+nsresult nsEditingSession::DetachFromWindow(nsPIDOMWindowOuter* aWindow) {
+ NS_ENSURE_TRUE(mDoneSetup, NS_OK);
+
+ NS_ASSERTION(mComposerCommandsUpdater,
+ "mComposerCommandsUpdater should exist.");
+
+ // Kill any existing reload timer
+ if (mLoadBlankDocTimer) {
+ mLoadBlankDocTimer->Cancel();
+ mLoadBlankDocTimer = nullptr;
+ }
+
+ // Remove controllers, webprogress listener, and otherwise
+ // make things the way they were before we started editing.
+ RemoveEditorControllers(aWindow);
+ RemoveWebProgressListener(aWindow);
+ RestoreJSAndPlugins(aWindow);
+ RestoreAnimationMode(aWindow);
+
+ // Kill our weak reference to our original window, in case
+ // it changes on restore, or otherwise dies.
+ mDocShell = nullptr;
+
+ return NS_OK;
+}
+
+nsresult nsEditingSession::ReattachToWindow(nsPIDOMWindowOuter* aWindow) {
+ NS_ENSURE_TRUE(mDoneSetup, NS_OK);
+ NS_ENSURE_TRUE(aWindow, NS_ERROR_FAILURE);
+
+ NS_ASSERTION(mComposerCommandsUpdater,
+ "mComposerCommandsUpdater should exist.");
+
+ // Imitate nsEditorDocShell::MakeEditable() to reattach the
+ // old editor to the window.
+ nsresult rv;
+
+ nsIDocShell* docShell = aWindow->GetDocShell();
+ NS_ENSURE_TRUE(docShell, NS_ERROR_FAILURE);
+ mDocShell = do_GetWeakReference(docShell);
+
+ // Disable plugins.
+ if (!mInteractive) {
+ rv = DisableJSAndPlugins(*docShell);
+ NS_ENSURE_SUCCESS(rv, rv);
+ }
+
+ // Tells embedder that startup is in progress.
+ mEditorStatus = eEditorCreationInProgress;
+
+ // Adds back web progress listener.
+ rv = PrepareForEditing(aWindow);
+ NS_ENSURE_SUCCESS(rv, rv);
+
+ // Setup the command controllers again.
+ rv = SetupEditorCommandController(
+ nsBaseCommandController::CreateEditingController, aWindow,
+ static_cast<nsIEditingSession*>(this), &mBaseCommandControllerId);
+ NS_ENSURE_SUCCESS(rv, rv);
+
+ rv = SetupEditorCommandController(
+ nsBaseCommandController::CreateHTMLEditorDocStateController, aWindow,
+ static_cast<nsIEditingSession*>(this), &mDocStateControllerId);
+ NS_ENSURE_SUCCESS(rv, rv);
+
+ if (mComposerCommandsUpdater) {
+ mComposerCommandsUpdater->Init(*aWindow);
+ }
+
+ // Get editor
+ RefPtr<HTMLEditor> htmlEditor = GetHTMLEditorForWindow(aWindow);
+ if (NS_WARN_IF(!htmlEditor)) {
+ return NS_ERROR_FAILURE;
+ }
+
+ if (!mInteractive) {
+ // Disable animation of images in this document:
+ RefPtr<PresShell> presShell = docShell->GetPresShell();
+ if (NS_WARN_IF(!presShell)) {
+ return NS_ERROR_FAILURE;
+ }
+ nsPresContext* presContext = presShell->GetPresContext();
+ NS_ENSURE_TRUE(presContext, NS_ERROR_FAILURE);
+
+ mImageAnimationMode = presContext->ImageAnimationMode();
+ presContext->SetImageAnimationMode(imgIContainer::kDontAnimMode);
+ }
+
+ // The third controller takes an nsIEditor as the context
+ rv = SetupEditorCommandController(
+ nsBaseCommandController::CreateHTMLEditorController, aWindow,
+ static_cast<nsIEditor*>(htmlEditor.get()), &mHTMLCommandControllerId);
+ NS_ENSURE_SUCCESS(rv, rv);
+
+ // Set context on all controllers to be the editor
+ rv = SetEditorOnControllers(*aWindow, htmlEditor);
+ NS_ENSURE_SUCCESS(rv, rv);
+
+#ifdef DEBUG
+ {
+ bool isEditable;
+ rv = WindowIsEditable(aWindow, &isEditable);
+ NS_ENSURE_SUCCESS(rv, rv);
+ NS_ASSERTION(isEditable,
+ "Window is not editable after reattaching editor.");
+ }
+#endif // DEBUG
+
+ return NS_OK;
+}
+
+HTMLEditor* nsIEditingSession::GetHTMLEditorForWindow(
+ mozIDOMWindowProxy* aWindow) {
+ if (NS_WARN_IF(!aWindow)) {
+ return nullptr;
+ }
+
+ nsCOMPtr<nsIDocShell> docShell =
+ nsPIDOMWindowOuter::From(aWindow)->GetDocShell();
+ if (NS_WARN_IF(!docShell)) {
+ return nullptr;
+ }
+
+ return docShell->GetHTMLEditor();
+}
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-16 01:02:28 +0000