mirror of
https://github.com/mozilla/gecko-dev.git
synced 2024-11-24 21:31:04 +00:00
be0c1a4f55
Differential Revision: https://phabricator.services.mozilla.com/D2893 --HG-- extra : moz-landing-system : lando
1399 lines
45 KiB
C++
1399 lines
45 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=2 sw=2 et tw=78: */
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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 <string.h> // for nullptr, strcmp
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#include "imgIContainer.h" // for imgIContainer, etc
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#include "mozilla/ComposerCommandsUpdater.h" // for ComposerCommandsUpdater
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#include "mozilla/FlushType.h" // for FlushType::Frames
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#include "mozilla/HTMLEditor.h" // for HTMLEditor
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#include "mozilla/mozalloc.h" // for operator new
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#include "nsAString.h"
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#include "nsComponentManagerUtils.h" // for do_CreateInstance
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#include "nsContentUtils.h"
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#include "nsDebug.h" // for NS_ENSURE_SUCCESS, etc
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#include "nsEditingSession.h"
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#include "nsError.h" // for NS_ERROR_FAILURE, NS_OK, etc
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#include "nsIChannel.h" // for nsIChannel
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#include "nsICommandManager.h" // for nsICommandManager
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#include "nsIContentViewer.h" // for nsIContentViewer
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#include "nsIController.h" // for nsIController
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#include "nsIControllerContext.h" // for nsIControllerContext
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#include "nsIControllers.h" // for nsIControllers
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#include "nsID.h" // for NS_GET_IID, etc
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#include "nsHTMLDocument.h" // for nsHTMLDocument
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#include "nsIDOMWindow.h" // for nsIDOMWindow
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#include "nsIDocShell.h" // for nsIDocShell
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#include "nsIDocument.h" // for nsIDocument
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#include "nsIDocumentStateListener.h"
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#include "nsIEditor.h" // for nsIEditor
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#include "nsIHTMLDocument.h" // for nsIHTMLDocument, etc
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#include "nsIInterfaceRequestorUtils.h" // for do_GetInterface
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#include "nsIPlaintextEditor.h" // for nsIPlaintextEditor, etc
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#include "nsIPresShell.h" // for nsIPresShell
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#include "nsIRefreshURI.h" // for nsIRefreshURI
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#include "nsIRequest.h" // for nsIRequest
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#include "nsITimer.h" // for nsITimer, etc
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#include "nsITransactionManager.h" // for nsITransactionManager
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#include "nsIWeakReference.h" // for nsISupportsWeakReference, etc
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#include "nsIWebNavigation.h" // for nsIWebNavigation
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#include "nsIWebProgress.h" // for nsIWebProgress, etc
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#include "nsLiteralString.h" // for NS_LITERAL_STRING
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#include "nsPICommandUpdater.h" // for nsPICommandUpdater
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#include "nsPIDOMWindow.h" // for nsPIDOMWindow
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#include "nsPresContext.h" // for nsPresContext
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#include "nsReadableUtils.h" // for AppendUTF16toUTF8
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#include "nsStringFwd.h" // for nsString
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#include "mozilla/dom/Selection.h" // for AutoHideSelectionChanges, etc
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#include "nsFrameSelection.h" // for nsFrameSelection
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class nsISupports;
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class nsIURI;
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using namespace mozilla;
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using namespace mozilla::dom;
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/*---------------------------------------------------------------------------
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nsEditingSession
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----------------------------------------------------------------------------*/
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nsEditingSession::nsEditingSession()
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: mDoneSetup(false)
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, mCanCreateEditor(false)
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, mInteractive(false)
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, mMakeWholeDocumentEditable(true)
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, mDisabledJSAndPlugins(false)
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, mScriptsEnabled(true)
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, mPluginsEnabled(true)
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, mProgressListenerRegistered(false)
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, mImageAnimationMode(0)
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, mEditorFlags(0)
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, mEditorStatus(eEditorOK)
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, mBaseCommandControllerId(0)
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, mDocStateControllerId(0)
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, mHTMLCommandControllerId(0)
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{
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}
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/*---------------------------------------------------------------------------
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~nsEditingSession
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----------------------------------------------------------------------------*/
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nsEditingSession::~nsEditingSession()
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{
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// Must cancel previous timer?
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if (mLoadBlankDocTimer)
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mLoadBlankDocTimer->Cancel();
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}
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NS_IMPL_ISUPPORTS(nsEditingSession, nsIEditingSession, nsIWebProgressListener,
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nsISupportsWeakReference)
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/*---------------------------------------------------------------------------
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MakeWindowEditable
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aEditorType string, "html" "htmlsimple" "text" "textsimple"
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void makeWindowEditable(in nsIDOMWindow aWindow, in string aEditorType,
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in boolean aDoAfterUriLoad,
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in boolean aMakeWholeDocumentEditable,
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in boolean aInteractive);
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----------------------------------------------------------------------------*/
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#define DEFAULT_EDITOR_TYPE "html"
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NS_IMETHODIMP
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nsEditingSession::MakeWindowEditable(mozIDOMWindowProxy* aWindow,
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const char *aEditorType,
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bool aDoAfterUriLoad,
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bool aMakeWholeDocumentEditable,
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bool aInteractive)
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{
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mEditorType.Truncate();
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mEditorFlags = 0;
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NS_ENSURE_TRUE(aWindow, NS_ERROR_FAILURE);
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auto* window = nsPIDOMWindowOuter::From(aWindow);
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// disable plugins
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nsCOMPtr<nsIDocShell> docShell = window->GetDocShell();
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NS_ENSURE_TRUE(docShell, NS_ERROR_FAILURE);
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mDocShell = do_GetWeakReference(docShell);
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mInteractive = aInteractive;
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mMakeWholeDocumentEditable = aMakeWholeDocumentEditable;
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nsresult rv;
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if (!mInteractive) {
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rv = DisableJSAndPlugins(aWindow);
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NS_ENSURE_SUCCESS(rv, rv);
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}
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// Always remove existing editor
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TearDownEditorOnWindow(aWindow);
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// Tells embedder that startup is in progress
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mEditorStatus = eEditorCreationInProgress;
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//temporary to set editor type here. we will need different classes soon.
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if (!aEditorType)
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aEditorType = DEFAULT_EDITOR_TYPE;
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mEditorType = aEditorType;
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// if all this does is setup listeners and I don't need listeners,
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// can't this step be ignored?? (based on aDoAfterURILoad)
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rv = PrepareForEditing(window);
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NS_ENSURE_SUCCESS(rv, rv);
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// set the flag on the docShell to say that it's editable
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rv = docShell->MakeEditable(aDoAfterUriLoad);
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NS_ENSURE_SUCCESS(rv, rv);
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// Setup commands common to plaintext and html editors,
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// including the document creation observers
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// the first is an editing controller
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rv = SetupEditorCommandController("@mozilla.org/editor/editingcontroller;1",
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aWindow,
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static_cast<nsIEditingSession*>(this),
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&mBaseCommandControllerId);
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NS_ENSURE_SUCCESS(rv, rv);
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// The second is a controller to monitor doc state,
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// such as creation and "dirty flag"
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rv = SetupEditorCommandController("@mozilla.org/editor/editordocstatecontroller;1",
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aWindow,
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static_cast<nsIEditingSession*>(this),
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&mDocStateControllerId);
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NS_ENSURE_SUCCESS(rv, rv);
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// aDoAfterUriLoad can be false only when making an existing window editable
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if (!aDoAfterUriLoad) {
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rv = SetupEditorOnWindow(aWindow);
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// mEditorStatus is set to the error reason
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// Since this is used only when editing an existing page,
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// it IS ok to destroy current editor
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if (NS_FAILED(rv)) {
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TearDownEditorOnWindow(aWindow);
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}
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}
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return rv;
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}
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NS_IMETHODIMP
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nsEditingSession::DisableJSAndPlugins(mozIDOMWindowProxy* aWindow)
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{
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NS_ENSURE_TRUE(aWindow, NS_ERROR_FAILURE);
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nsIDocShell *docShell = nsPIDOMWindowOuter::From(aWindow)->GetDocShell();
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NS_ENSURE_TRUE(docShell, NS_ERROR_FAILURE);
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bool tmp;
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nsresult rv = docShell->GetAllowJavascript(&tmp);
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NS_ENSURE_SUCCESS(rv, rv);
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mScriptsEnabled = tmp;
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rv = docShell->SetAllowJavascript(false);
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NS_ENSURE_SUCCESS(rv, rv);
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// Disable plugins in this document:
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mPluginsEnabled = docShell->PluginsAllowedInCurrentDoc();
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rv = docShell->SetAllowPlugins(false);
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NS_ENSURE_SUCCESS(rv, rv);
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mDisabledJSAndPlugins = true;
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return NS_OK;
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}
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NS_IMETHODIMP
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nsEditingSession::RestoreJSAndPlugins(mozIDOMWindowProxy* aWindow)
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{
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if (!mDisabledJSAndPlugins) {
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return NS_OK;
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}
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mDisabledJSAndPlugins = false;
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NS_ENSURE_TRUE(aWindow, NS_ERROR_FAILURE);
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nsIDocShell *docShell = nsPIDOMWindowOuter::From(aWindow)->GetDocShell();
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NS_ENSURE_TRUE(docShell, NS_ERROR_FAILURE);
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nsresult rv = docShell->SetAllowJavascript(mScriptsEnabled);
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NS_ENSURE_SUCCESS(rv, rv);
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// Disable plugins in this document:
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return docShell->SetAllowPlugins(mPluginsEnabled);
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}
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NS_IMETHODIMP
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nsEditingSession::GetJsAndPluginsDisabled(bool *aResult)
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{
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NS_ENSURE_ARG_POINTER(aResult);
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*aResult = mDisabledJSAndPlugins;
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return NS_OK;
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}
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/*---------------------------------------------------------------------------
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WindowIsEditable
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boolean windowIsEditable (in nsIDOMWindow aWindow);
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----------------------------------------------------------------------------*/
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NS_IMETHODIMP
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nsEditingSession::WindowIsEditable(mozIDOMWindowProxy* aWindow,
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bool *outIsEditable)
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{
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NS_ENSURE_STATE(aWindow);
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nsCOMPtr<nsIDocShell> docShell = nsPIDOMWindowOuter::From(aWindow)->GetDocShell();
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NS_ENSURE_STATE(docShell);
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return docShell->GetEditable(outIsEditable);
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}
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// These are MIME types that are automatically parsed as "text/plain"
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// and thus we can edit them as plaintext
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// Note: in older versions, we attempted to convert the mimetype of
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// the network channel for these and "text/xml" to "text/plain",
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// but further investigation reveals that strategy doesn't work
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const char* const gSupportedTextTypes[] = {
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"text/plain",
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"text/css",
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"text/rdf",
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"text/xsl",
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"text/javascript", // obsolete type
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"text/ecmascript", // obsolete type
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"application/javascript",
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"application/ecmascript",
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"application/x-javascript", // obsolete type
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"text/xul", // obsolete type
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"application/vnd.mozilla.xul+xml",
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nullptr // IMPORTANT! Null must be at end
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};
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bool
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IsSupportedTextType(const char* aMIMEType)
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{
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NS_ENSURE_TRUE(aMIMEType, false);
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for (size_t i = 0; gSupportedTextTypes[i]; ++i) {
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if (!strcmp(gSupportedTextTypes[i], aMIMEType)) {
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return true;
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}
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}
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return false;
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}
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/*---------------------------------------------------------------------------
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SetupEditorOnWindow
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nsIEditor setupEditorOnWindow (in nsIDOMWindow aWindow);
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----------------------------------------------------------------------------*/
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NS_IMETHODIMP
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nsEditingSession::SetupEditorOnWindow(mozIDOMWindowProxy* aWindow)
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{
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mDoneSetup = true;
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NS_ENSURE_TRUE(aWindow, NS_ERROR_FAILURE);
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auto* window = nsPIDOMWindowOuter::From(aWindow);
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nsresult rv;
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//MIME CHECKING
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//must get the content type
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// Note: the doc gets this from the network channel during StartPageLoad,
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// so we don't have to get it from there ourselves
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nsAutoCString mimeCType;
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//then lets check the mime type
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if (nsCOMPtr<nsIDocument> doc = window->GetDoc()) {
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nsAutoString mimeType;
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doc->GetContentType(mimeType);
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AppendUTF16toUTF8(mimeType, mimeCType);
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if (IsSupportedTextType(mimeCType.get())) {
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mEditorType.AssignLiteral("text");
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mimeCType = "text/plain";
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} else if (!mimeCType.EqualsLiteral("text/html") &&
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!mimeCType.EqualsLiteral("application/xhtml+xml")) {
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// Neither an acceptable text or html type.
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mEditorStatus = eEditorErrorCantEditMimeType;
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// Turn editor into HTML -- we will load blank page later
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mEditorType.AssignLiteral("html");
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mimeCType.AssignLiteral("text/html");
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}
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// Flush out frame construction to make sure that the subframe's
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// presshell is set up if it needs to be.
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doc->FlushPendingNotifications(mozilla::FlushType::Frames);
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if (mMakeWholeDocumentEditable) {
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doc->SetEditableFlag(true);
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nsCOMPtr<nsIHTMLDocument> htmlDocument = do_QueryInterface(doc);
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if (htmlDocument) {
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// Enable usage of the execCommand API
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htmlDocument->SetEditingState(nsIHTMLDocument::eDesignMode);
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}
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}
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}
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bool needHTMLController = false;
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if (mEditorType.EqualsLiteral("textmail")) {
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mEditorFlags = nsIPlaintextEditor::eEditorPlaintextMask |
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nsIPlaintextEditor::eEditorEnableWrapHackMask |
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nsIPlaintextEditor::eEditorMailMask;
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} else if (mEditorType.EqualsLiteral("text")) {
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mEditorFlags = nsIPlaintextEditor::eEditorPlaintextMask |
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nsIPlaintextEditor::eEditorEnableWrapHackMask;
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} else if (mEditorType.EqualsLiteral("htmlmail")) {
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if (mimeCType.EqualsLiteral("text/html")) {
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needHTMLController = true;
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mEditorFlags = nsIPlaintextEditor::eEditorMailMask;
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} else {
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// Set the flags back to textplain.
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mEditorFlags = nsIPlaintextEditor::eEditorPlaintextMask |
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nsIPlaintextEditor::eEditorEnableWrapHackMask;
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}
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} else {
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// Defaulted to html
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needHTMLController = true;
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}
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if (mInteractive) {
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mEditorFlags |= nsIPlaintextEditor::eEditorAllowInteraction;
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}
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// make the UI state maintainer
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mComposerCommandsUpdater = new ComposerCommandsUpdater();
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// now init the state maintainer
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// This allows notification of error state
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// even if we don't create an editor
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rv = mComposerCommandsUpdater->Init(window);
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NS_ENSURE_SUCCESS(rv, rv);
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if (mEditorStatus != eEditorCreationInProgress) {
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mComposerCommandsUpdater->NotifyDocumentCreated();
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return NS_ERROR_FAILURE;
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}
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// Create editor and do other things
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// only if we haven't found some error above,
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nsCOMPtr<nsIDocShell> docShell = window->GetDocShell();
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NS_ENSURE_TRUE(docShell, NS_ERROR_FAILURE);
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nsCOMPtr<nsIPresShell> presShell = docShell->GetPresShell();
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NS_ENSURE_TRUE(presShell, NS_ERROR_FAILURE);
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if (!mInteractive) {
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// Disable animation of images in this document:
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nsPresContext* presContext = presShell->GetPresContext();
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NS_ENSURE_TRUE(presContext, NS_ERROR_FAILURE);
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mImageAnimationMode = presContext->ImageAnimationMode();
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presContext->SetImageAnimationMode(imgIContainer::kDontAnimMode);
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}
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// Hide selection changes during initialization, in order to hide this
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// from web pages.
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RefPtr<nsFrameSelection> fs = presShell->FrameSelection();
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NS_ENSURE_TRUE(fs, NS_ERROR_FAILURE);
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AutoHideSelectionChanges hideSelectionChanges(fs);
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// create and set editor
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// Try to reuse an existing editor
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nsCOMPtr<nsIEditor> editor = do_QueryReferent(mExistingEditor);
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RefPtr<HTMLEditor> htmlEditor = editor ? editor->AsHTMLEditor() : nullptr;
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MOZ_ASSERT(!editor || htmlEditor);
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if (htmlEditor) {
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htmlEditor->PreDestroy(false);
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} else {
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htmlEditor = new HTMLEditor();
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mExistingEditor =
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do_GetWeakReference(static_cast<nsIEditor*>(htmlEditor.get()));
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}
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// set the editor on the docShell. The docShell now owns it.
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rv = docShell->SetHTMLEditor(htmlEditor);
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NS_ENSURE_SUCCESS(rv, rv);
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// setup the HTML editor command controller
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if (needHTMLController) {
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// The third controller takes an nsIEditor as the context
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rv = SetupEditorCommandController("@mozilla.org/editor/htmleditorcontroller;1",
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aWindow,
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static_cast<nsIEditor*>(htmlEditor),
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&mHTMLCommandControllerId);
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NS_ENSURE_SUCCESS(rv, rv);
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}
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// Set mimetype on editor
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rv = htmlEditor->SetContentsMIMEType(mimeCType.get());
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NS_ENSURE_SUCCESS(rv, rv);
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nsCOMPtr<nsIContentViewer> contentViewer;
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rv = docShell->GetContentViewer(getter_AddRefs(contentViewer));
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NS_ENSURE_SUCCESS(rv, rv);
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NS_ENSURE_TRUE(contentViewer, NS_ERROR_FAILURE);
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nsCOMPtr<nsIDocument> doc = contentViewer->GetDocument();
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if (NS_WARN_IF(!doc)) {
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return NS_ERROR_FAILURE;
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}
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// Set up as a doc state listener
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// Important! We must have this to broadcast the "obs_documentCreated" message
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rv = htmlEditor->AddDocumentStateListener(mComposerCommandsUpdater);
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NS_ENSURE_SUCCESS(rv, rv);
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rv = htmlEditor->Init(*doc, nullptr /* root content */,
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nullptr, mEditorFlags, EmptyString());
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NS_ENSURE_SUCCESS(rv, rv);
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RefPtr<Selection> selection = htmlEditor->GetSelection();
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if (NS_WARN_IF(!selection)) {
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return NS_ERROR_FAILURE;
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}
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htmlEditor->SetComposerCommandsUpdater(mComposerCommandsUpdater);
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// and as a transaction listener
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MOZ_ASSERT(mComposerCommandsUpdater);
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DebugOnly<bool> addedTransactionListener =
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htmlEditor->AddTransactionListener(*mComposerCommandsUpdater);
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NS_WARNING_ASSERTION(addedTransactionListener,
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"Failed to add transaction listener to the editor");
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// Set context on all controllers to be the editor
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rv = SetEditorOnControllers(aWindow, htmlEditor);
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NS_ENSURE_SUCCESS(rv, rv);
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// Everything went fine!
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mEditorStatus = eEditorOK;
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// This will trigger documentCreation notification
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return htmlEditor->PostCreate();
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}
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// Removes all listeners and controllers from aWindow and aEditor.
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void
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nsEditingSession::RemoveListenersAndControllers(nsPIDOMWindowOuter* aWindow,
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HTMLEditor* aHTMLEditor)
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|
{
|
|
if (!mComposerCommandsUpdater || !aHTMLEditor) {
|
|
return;
|
|
}
|
|
|
|
// Remove all the listeners
|
|
aHTMLEditor->SetComposerCommandsUpdater(nullptr);
|
|
aHTMLEditor->RemoveDocumentStateListener(mComposerCommandsUpdater);
|
|
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);
|
|
|
|
nsCOMPtr<nsIDocument> doc = window->GetDoc();
|
|
nsCOMPtr<nsIHTMLDocument> htmlDoc = do_QueryInterface(doc);
|
|
bool stopEditing = htmlDoc && htmlDoc->IsEditingOn();
|
|
if (stopEditing) {
|
|
RemoveWebProgressListener(window);
|
|
}
|
|
|
|
nsCOMPtr<nsIDocShell> docShell = window->GetDocShell();
|
|
NS_ENSURE_STATE(docShell);
|
|
|
|
RefPtr<HTMLEditor> htmlEditor = docShell->GetHTMLEditor();
|
|
if (stopEditing) {
|
|
htmlDoc->TearingDownEditor();
|
|
}
|
|
|
|
if (mComposerCommandsUpdater && htmlEditor) {
|
|
// Null out the editor on the controllers first to prevent their weak
|
|
// references from pointing to a destroyed editor.
|
|
SetEditorOnControllers(aWindow, 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(aWindow);
|
|
RestoreAnimationMode(window);
|
|
|
|
if (mMakeWholeDocumentEditable) {
|
|
doc->SetEditableFlag(false);
|
|
nsCOMPtr<nsIHTMLDocument> htmlDocument = do_QueryInterface(doc);
|
|
if (htmlDocument) {
|
|
htmlDocument->SetEditingState(nsIHTMLDocument::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);
|
|
nsCOMPtr<nsIDocument> doc = piWindow->GetDoc();
|
|
nsHTMLDocument* htmlDoc = doc && doc->IsHTMLOrXHTML()
|
|
? doc->AsHTMLDocument() : nullptr;
|
|
if (htmlDoc && htmlDoc->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);
|
|
|
|
nsCOMPtr<nsIDocument> 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);
|
|
|
|
nsCOMPtr<nsICommandManager> commandManager = docShell->GetCommandManager();
|
|
nsCOMPtr<nsPICommandUpdater> commandUpdater =
|
|
do_QueryInterface(commandManager);
|
|
NS_ENSURE_TRUE(commandUpdater, NS_ERROR_FAILURE);
|
|
|
|
return commandUpdater->CommandStatusChanged("obs_documentLocationChanged");
|
|
}
|
|
|
|
/*---------------------------------------------------------------------------
|
|
|
|
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 state)
|
|
{
|
|
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;
|
|
}
|
|
|
|
nsIDocShell *docShell = nsPIDOMWindowOuter::From(domWindow)->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(domWindow);
|
|
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) {
|
|
webNav->LoadURI(u"about:blank", 0, nullptr, nullptr, nullptr,
|
|
nsContentUtils::GetSystemPrincipal());
|
|
}
|
|
}
|
|
}
|
|
|
|
/*---------------------------------------------------------------------------
|
|
|
|
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(
|
|
const char *aControllerClassName,
|
|
mozIDOMWindowProxy *aWindow,
|
|
nsISupports *aContext,
|
|
uint32_t *aControllerId)
|
|
{
|
|
NS_ENSURE_ARG_POINTER(aControllerClassName);
|
|
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) {
|
|
nsCOMPtr<nsIController> controller;
|
|
controller = do_CreateInstance(aControllerClassName, &rv);
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
|
|
// 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, controller);
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
|
|
// Remember the ID for the controller
|
|
rv = controllers->GetControllerId(controller, aControllerId);
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
}
|
|
|
|
// Set the context
|
|
return SetContextOnControllerById(controllers, aContext, *aControllerId);
|
|
}
|
|
|
|
/*---------------------------------------------------------------------------
|
|
|
|
SetEditorOnControllers
|
|
|
|
Set the editor on the controller(s) for this window
|
|
----------------------------------------------------------------------------*/
|
|
NS_IMETHODIMP
|
|
nsEditingSession::SetEditorOnControllers(mozIDOMWindowProxy* aWindow,
|
|
nsIEditor* aEditor)
|
|
{
|
|
NS_ENSURE_TRUE(aWindow, NS_ERROR_NULL_POINTER);
|
|
|
|
auto* piWindow = nsPIDOMWindowOuter::From(aWindow);
|
|
|
|
nsCOMPtr<nsIControllers> controllers;
|
|
nsresult rv = piWindow->GetControllers(getter_AddRefs(controllers));
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
|
|
nsCOMPtr<nsISupports> editorAsISupports = static_cast<nsISupports*>(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);
|
|
nsCOMPtr<nsIPresShell> presShell = docShell->GetPresShell();
|
|
NS_ENSURE_TRUE_VOID(presShell);
|
|
nsPresContext* presContext = presShell->GetPresContext();
|
|
NS_ENSURE_TRUE_VOID(presContext);
|
|
|
|
presContext->SetImageAnimationMode(mImageAnimationMode);
|
|
}
|
|
|
|
nsresult
|
|
nsEditingSession::DetachFromWindow(mozIDOMWindowProxy* aWindow)
|
|
{
|
|
NS_ENSURE_TRUE(mDoneSetup, NS_OK);
|
|
|
|
NS_ASSERTION(mComposerCommandsUpdater,
|
|
"mComposerCommandsUpdater should exist.");
|
|
|
|
// Kill any existing reload timer
|
|
if (mLoadBlankDocTimer) {
|
|
mLoadBlankDocTimer->Cancel();
|
|
mLoadBlankDocTimer = nullptr;
|
|
}
|
|
|
|
auto* window = nsPIDOMWindowOuter::From(aWindow);
|
|
|
|
// Remove controllers, webprogress listener, and otherwise
|
|
// make things the way they were before we started editing.
|
|
RemoveEditorControllers(window);
|
|
RemoveWebProgressListener(window);
|
|
RestoreJSAndPlugins(aWindow);
|
|
RestoreAnimationMode(window);
|
|
|
|
// 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(mozIDOMWindowProxy* 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 ot the window.
|
|
nsresult rv;
|
|
|
|
auto* window = nsPIDOMWindowOuter::From(aWindow);
|
|
nsIDocShell *docShell = window->GetDocShell();
|
|
NS_ENSURE_TRUE(docShell, NS_ERROR_FAILURE);
|
|
mDocShell = do_GetWeakReference(docShell);
|
|
|
|
// Disable plugins.
|
|
if (!mInteractive) {
|
|
rv = DisableJSAndPlugins(aWindow);
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
}
|
|
|
|
// Tells embedder that startup is in progress.
|
|
mEditorStatus = eEditorCreationInProgress;
|
|
|
|
// Adds back web progress listener.
|
|
rv = PrepareForEditing(window);
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
|
|
// Setup the command controllers again.
|
|
rv = SetupEditorCommandController("@mozilla.org/editor/editingcontroller;1",
|
|
aWindow,
|
|
static_cast<nsIEditingSession*>(this),
|
|
&mBaseCommandControllerId);
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
|
|
rv = SetupEditorCommandController("@mozilla.org/editor/editordocstatecontroller;1",
|
|
aWindow,
|
|
static_cast<nsIEditingSession*>(this),
|
|
&mDocStateControllerId);
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
|
|
if (mComposerCommandsUpdater) {
|
|
mComposerCommandsUpdater->Init(window);
|
|
}
|
|
|
|
// 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:
|
|
nsCOMPtr<nsIPresShell> presShell = docShell->GetPresShell();
|
|
NS_ENSURE_TRUE(presShell, 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("@mozilla.org/editor/htmleditorcontroller;1",
|
|
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();
|
|
}
|