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gecko-dev/dom/ipc/TabParent.cpp

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25 KiB
C++
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/* -*- Mode: C++; c-basic-offset: 2; indent-tabs-mode: nil; tab-width: 8; -*- */
/* vim: set sw=2 ts=8 et tw=80 : */
/* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is Mozilla Content App.
*
* The Initial Developer of the Original Code is
* The Mozilla Foundation.
* Portions created by the Initial Developer are Copyright (C) 2009
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
*
* Alternatively, the contents of this file may be used under the terms of
* either the GNU General Public License Version 2 or later (the "GPL"), or
* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the MPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the MPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
#include "TabParent.h"
#include "mozilla/dom/ContentParent.h"
#include "mozilla/ipc/DocumentRendererParent.h"
#include "mozilla/layout/RenderFrameParent.h"
#include "mozilla/docshell/OfflineCacheUpdateParent.h"
#include "nsIURI.h"
#include "nsFocusManager.h"
#include "nsCOMPtr.h"
#include "nsServiceManagerUtils.h"
#include "nsIDOMElement.h"
#include "nsEventDispatcher.h"
#include "nsIDOMEventTarget.h"
#include "nsIWindowWatcher.h"
#include "nsIDOMWindow.h"
#include "nsIIdentityInfo.h"
#include "nsPIDOMWindow.h"
#include "TabChild.h"
#include "nsIDOMEvent.h"
#include "nsIPrivateDOMEvent.h"
#include "nsFrameLoader.h"
#include "nsNetUtil.h"
#include "nsContentUtils.h"
#include "nsContentPermissionHelper.h"
#include "nsIDOMNSHTMLFrameElement.h"
#include "nsIDialogCreator.h"
#include "nsThreadUtils.h"
#include "nsSerializationHelper.h"
#include "nsIPromptFactory.h"
#include "nsIContent.h"
#include "nsIWidget.h"
#include "nsIViewManager.h"
#include "mozilla/unused.h"
#include "nsDebug.h"
using namespace mozilla::dom;
using namespace mozilla::ipc;
using namespace mozilla::layout;
// The flags passed by the webProgress notifications are 16 bits shifted
// from the ones registered by webProgressListeners.
#define NOTIFY_FLAG_SHIFT 16
namespace mozilla {
namespace dom {
TabParent *TabParent::mIMETabParent = nsnull;
NS_IMPL_ISUPPORTS3(TabParent, nsITabParent, nsIAuthPromptProvider, nsISecureBrowserUI)
TabParent::TabParent()
: mIMEComposing(PR_FALSE)
, mIMECompositionEnding(PR_FALSE)
, mIMESeqno(0)
, mDPI(0)
{
}
TabParent::~TabParent()
{
}
void
TabParent::SetOwnerElement(nsIDOMElement* aElement)
{
mFrameElement = aElement;
// Cache the DPI of the screen, since we may lose the element/widget later
if (aElement) {
nsCOMPtr<nsIWidget> widget = GetWidget();
NS_ABORT_IF_FALSE(widget, "Non-null OwnerElement must provide a widget!");
mDPI = widget->GetDPI();
}
}
void
TabParent::Destroy()
{
// If this fails, it's most likely due to a content-process crash,
// and auto-cleanup will kick in. Otherwise, the child side will
// destroy itself and send back __delete__().
unused << SendDestroy();
for (size_t i = 0; i < ManagedPRenderFrameParent().Length(); ++i) {
RenderFrameParent* rfp =
static_cast<RenderFrameParent*>(ManagedPRenderFrameParent()[i]);
rfp->Destroy();
}
}
void
TabParent::ActorDestroy(ActorDestroyReason why)
{
if (mIMETabParent == this)
mIMETabParent = nsnull;
nsRefPtr<nsFrameLoader> frameLoader = GetFrameLoader();
if (frameLoader) {
frameLoader->DestroyChild();
}
}
bool
TabParent::RecvMoveFocus(const bool& aForward)
{
nsCOMPtr<nsIFocusManager> fm = do_GetService(FOCUSMANAGER_CONTRACTID);
if (fm) {
nsCOMPtr<nsIDOMElement> dummy;
PRUint32 type = aForward ? PRUint32(nsIFocusManager::MOVEFOCUS_FORWARD)
: PRUint32(nsIFocusManager::MOVEFOCUS_BACKWARD);
fm->MoveFocus(nsnull, mFrameElement, type, nsIFocusManager::FLAG_BYKEY,
getter_AddRefs(dummy));
}
return true;
}
bool
TabParent::RecvEvent(const RemoteDOMEvent& aEvent)
{
nsCOMPtr<nsIDOMEvent> event = do_QueryInterface(aEvent.mEvent);
NS_ENSURE_TRUE(event, true);
nsCOMPtr<nsIDOMEventTarget> target = do_QueryInterface(mFrameElement);
NS_ENSURE_TRUE(target, true);
PRBool dummy;
target->DispatchEvent(event, &dummy);
return true;
}
bool
TabParent::AnswerCreateWindow(PBrowserParent** retval)
{
if (!mBrowserDOMWindow) {
return false;
}
// Get a new rendering area from the browserDOMWin. We don't want
// to be starting any loads here, so get it with a null URI.
nsCOMPtr<nsIFrameLoaderOwner> frameLoaderOwner;
mBrowserDOMWindow->OpenURIInFrame(nsnull, nsnull,
nsIBrowserDOMWindow::OPEN_NEWTAB,
nsIBrowserDOMWindow::OPEN_NEW,
getter_AddRefs(frameLoaderOwner));
if (!frameLoaderOwner) {
return false;
}
nsRefPtr<nsFrameLoader> frameLoader = frameLoaderOwner->GetFrameLoader();
if (!frameLoader) {
return false;
}
*retval = frameLoader->GetRemoteBrowser();
return true;
}
void
TabParent::LoadURL(nsIURI* aURI)
{
nsCString spec;
aURI->GetSpec(spec);
unused << SendLoadURL(spec);
}
void
TabParent::Show(const nsIntSize& size)
{
// sigh
unused << SendShow(size);
}
void
TabParent::UpdateDimensions(const nsRect& rect, const nsIntSize& size)
{
unused << SendUpdateDimensions(rect, size);
}
void
TabParent::Activate()
{
unused << SendActivate();
}
void
TabParent::Deactivate()
{
unused << SendDeactivate();
}
NS_IMETHODIMP
TabParent::Init(nsIDOMWindow *window)
{
return NS_OK;
}
NS_IMETHODIMP
TabParent::GetState(PRUint32 *aState)
{
NS_ENSURE_ARG(aState);
NS_WARNING("SecurityState not valid here");
*aState = 0;
return NS_OK;
}
NS_IMETHODIMP
TabParent::GetTooltipText(nsAString & aTooltipText)
{
aTooltipText.Truncate();
return NS_OK;
}
PDocumentRendererParent*
TabParent::AllocPDocumentRenderer(const nsRect& documentRect,
const gfxMatrix& transform,
const nsString& bgcolor,
const PRUint32& renderFlags,
const bool& flushLayout,
const nsIntSize& renderSize)
{
return new DocumentRendererParent();
}
bool
TabParent::DeallocPDocumentRenderer(PDocumentRendererParent* actor)
{
delete actor;
return true;
}
PContentPermissionRequestParent*
TabParent::AllocPContentPermissionRequest(const nsCString& type, const IPC::URI& uri)
{
return new ContentPermissionRequestParent(type, mFrameElement, uri);
}
bool
TabParent::DeallocPContentPermissionRequest(PContentPermissionRequestParent* actor)
{
delete actor;
return true;
}
void
TabParent::SendMouseEvent(const nsAString& aType, float aX, float aY,
PRInt32 aButton, PRInt32 aClickCount,
PRInt32 aModifiers, PRBool aIgnoreRootScrollFrame)
{
unused << PBrowserParent::SendMouseEvent(nsString(aType), aX, aY,
aButton, aClickCount,
aModifiers, aIgnoreRootScrollFrame);
}
void
TabParent::SendKeyEvent(const nsAString& aType,
PRInt32 aKeyCode,
PRInt32 aCharCode,
PRInt32 aModifiers,
PRBool aPreventDefault)
{
unused << PBrowserParent::SendKeyEvent(nsString(aType), aKeyCode, aCharCode,
aModifiers, aPreventDefault);
}
bool TabParent::SendRealMouseEvent(nsMouseEvent& event)
{
return PBrowserParent::SendRealMouseEvent(event);
}
bool TabParent::SendMouseScrollEvent(nsMouseScrollEvent& event)
{
return PBrowserParent::SendMouseScrollEvent(event);
}
bool TabParent::SendRealKeyEvent(nsKeyEvent& event)
{
return PBrowserParent::SendRealKeyEvent(event);
}
bool
TabParent::RecvSyncMessage(const nsString& aMessage,
const nsString& aJSON,
InfallibleTArray<nsString>* aJSONRetVal)
{
return ReceiveMessage(aMessage, PR_TRUE, aJSON, aJSONRetVal);
}
bool
TabParent::RecvAsyncMessage(const nsString& aMessage,
const nsString& aJSON)
{
return ReceiveMessage(aMessage, PR_FALSE, aJSON, nsnull);
}
bool
TabParent::RecvSetCursor(const PRUint32& aCursor)
{
nsCOMPtr<nsIWidget> widget = GetWidget();
if (widget) {
widget->SetCursor((nsCursor) aCursor);
}
return true;
}
bool
TabParent::RecvNotifyIMEFocus(const PRBool& aFocus,
nsIMEUpdatePreference* aPreference,
PRUint32* aSeqno)
{
nsCOMPtr<nsIWidget> widget = GetWidget();
if (!widget)
return true;
*aSeqno = mIMESeqno;
mIMETabParent = aFocus ? this : nsnull;
mIMESelectionAnchor = 0;
mIMESelectionFocus = 0;
nsresult rv = widget->OnIMEFocusChange(aFocus);
if (aFocus) {
if (NS_SUCCEEDED(rv) && rv != NS_SUCCESS_IME_NO_UPDATES) {
*aPreference = widget->GetIMEUpdatePreference();
} else {
aPreference->mWantUpdates = PR_FALSE;
aPreference->mWantHints = PR_FALSE;
}
} else {
mIMECacheText.Truncate(0);
}
return true;
}
bool
TabParent::RecvNotifyIMETextChange(const PRUint32& aStart,
const PRUint32& aEnd,
const PRUint32& aNewEnd)
{
nsCOMPtr<nsIWidget> widget = GetWidget();
if (!widget)
return true;
widget->OnIMETextChange(aStart, aEnd, aNewEnd);
return true;
}
bool
TabParent::RecvNotifyIMESelection(const PRUint32& aSeqno,
const PRUint32& aAnchor,
const PRUint32& aFocus)
{
nsCOMPtr<nsIWidget> widget = GetWidget();
if (!widget)
return true;
if (aSeqno == mIMESeqno) {
mIMESelectionAnchor = aAnchor;
mIMESelectionFocus = aFocus;
widget->OnIMESelectionChange();
}
return true;
}
bool
TabParent::RecvNotifyIMETextHint(const nsString& aText)
{
// Replace our cache with new text
mIMECacheText = aText;
return true;
}
/**
* Try to answer query event using cached text.
*
* For NS_QUERY_SELECTED_TEXT, fail if the cache doesn't contain the whole
* selected range. (This shouldn't happen because PuppetWidget should have
* already sent the whole selection.)
*
* For NS_QUERY_TEXT_CONTENT, fail only if the cache doesn't overlap with
* the queried range. Note the difference from above. We use
* this behavior because a normal NS_QUERY_TEXT_CONTENT event is allowed to
* have out-of-bounds offsets, so that widget can request content without
* knowing the exact length of text. It's up to widget to handle cases when
* the returned offset/length are different from the queried offset/length.
*/
bool
TabParent::HandleQueryContentEvent(nsQueryContentEvent& aEvent)
{
aEvent.mSucceeded = PR_FALSE;
aEvent.mWasAsync = PR_FALSE;
aEvent.mReply.mFocusedWidget = nsCOMPtr<nsIWidget>(GetWidget()).get();
switch (aEvent.message)
{
case NS_QUERY_SELECTED_TEXT:
{
aEvent.mReply.mOffset = NS_MIN(mIMESelectionAnchor, mIMESelectionFocus);
if (mIMESelectionAnchor == mIMESelectionFocus) {
aEvent.mReply.mString.Truncate(0);
} else {
if (mIMESelectionAnchor > mIMECacheText.Length() ||
mIMESelectionFocus > mIMECacheText.Length()) {
break;
}
PRUint32 selLen = mIMESelectionAnchor > mIMESelectionFocus ?
mIMESelectionAnchor - mIMESelectionFocus :
mIMESelectionFocus - mIMESelectionAnchor;
aEvent.mReply.mString = Substring(mIMECacheText,
aEvent.mReply.mOffset,
selLen);
}
aEvent.mReply.mReversed = mIMESelectionFocus < mIMESelectionAnchor;
aEvent.mReply.mHasSelection = PR_TRUE;
aEvent.mSucceeded = PR_TRUE;
}
break;
case NS_QUERY_TEXT_CONTENT:
{
PRUint32 inputOffset = aEvent.mInput.mOffset,
inputEnd = inputOffset + aEvent.mInput.mLength;
if (inputEnd > mIMECacheText.Length()) {
inputEnd = mIMECacheText.Length();
}
if (inputEnd < inputOffset) {
break;
}
aEvent.mReply.mOffset = inputOffset;
aEvent.mReply.mString = Substring(mIMECacheText,
inputOffset,
inputEnd - inputOffset);
aEvent.mSucceeded = PR_TRUE;
}
break;
}
return true;
}
bool
TabParent::SendCompositionEvent(nsCompositionEvent& event)
{
mIMEComposing = event.message == NS_COMPOSITION_START;
mIMECompositionStart = NS_MIN(mIMESelectionAnchor, mIMESelectionFocus);
if (mIMECompositionEnding)
return true;
event.seqno = ++mIMESeqno;
return PBrowserParent::SendCompositionEvent(event);
}
/**
* During ResetInputState or CancelComposition, widget usually sends a
* NS_TEXT_TEXT event to finalize or clear the composition, respectively
*
* Because the event will not reach content in time, we intercept it
* here and pass the text as the EndIMEComposition return value
*/
bool
TabParent::SendTextEvent(nsTextEvent& event)
{
if (mIMECompositionEnding) {
mIMECompositionText = event.theText;
return true;
}
// We must be able to simulate the selection because
// we might not receive selection updates in time
if (!mIMEComposing) {
mIMECompositionStart = NS_MIN(mIMESelectionAnchor, mIMESelectionFocus);
}
mIMESelectionAnchor = mIMESelectionFocus =
mIMECompositionStart + event.theText.Length();
event.seqno = ++mIMESeqno;
return PBrowserParent::SendTextEvent(event);
}
bool
TabParent::SendSelectionEvent(nsSelectionEvent& event)
{
mIMESelectionAnchor = event.mOffset + (event.mReversed ? event.mLength : 0);
mIMESelectionFocus = event.mOffset + (!event.mReversed ? event.mLength : 0);
event.seqno = ++mIMESeqno;
return PBrowserParent::SendSelectionEvent(event);
}
bool
TabParent::RecvEndIMEComposition(const PRBool& aCancel,
nsString* aComposition)
{
nsCOMPtr<nsIWidget> widget = GetWidget();
if (!widget)
return true;
mIMECompositionEnding = PR_TRUE;
if (aCancel) {
widget->CancelIMEComposition();
} else {
widget->ResetInputState();
}
mIMECompositionEnding = PR_FALSE;
*aComposition = mIMECompositionText;
mIMECompositionText.Truncate(0);
return true;
}
bool
TabParent::RecvGetIMEEnabled(PRUint32* aValue)
{
nsCOMPtr<nsIWidget> widget = GetWidget();
if (!widget) {
*aValue = nsIWidget::IME_STATUS_DISABLED;
return true;
}
IMEContext context;
widget->GetInputMode(context);
*aValue = context.mStatus;
return true;
}
bool
TabParent::RecvSetInputMode(const PRUint32& aValue, const nsString& aType, const nsString& aAction, const PRUint32& aReason)
{
// mIMETabParent (which is actually static) tracks which if any TabParent has IMEFocus
// When the input mode is set to anything but IME_STATUS_NONE, mIMETabParent should be set to this
mIMETabParent = aValue & nsIContent::IME_STATUS_MASK_ENABLED ? this : nsnull;
nsCOMPtr<nsIWidget> widget = GetWidget();
if (!widget || !AllowContentIME())
return true;
IMEContext context;
context.mStatus = aValue;
context.mHTMLInputType.Assign(aType);
context.mActionHint.Assign(aAction);
context.mReason = aReason;
widget->SetInputMode(context);
nsCOMPtr<nsIObserverService> observerService = mozilla::services::GetObserverService();
if (!observerService)
return true;
nsAutoString state;
state.AppendInt(aValue);
observerService->NotifyObservers(nsnull, "ime-enabled-state-changed", state.get());
return true;
}
bool
TabParent::RecvGetIMEOpenState(PRBool* aValue)
{
nsCOMPtr<nsIWidget> widget = GetWidget();
if (widget)
widget->GetIMEOpenState(aValue);
return true;
}
bool
TabParent::RecvSetIMEOpenState(const PRBool& aValue)
{
nsCOMPtr<nsIWidget> widget = GetWidget();
if (widget && AllowContentIME())
widget->SetIMEOpenState(aValue);
return true;
}
bool
TabParent::RecvGetDPI(float* aValue)
{
NS_ABORT_IF_FALSE(mDPI > 0,
"Must not ask for DPI before OwnerElement is received!");
*aValue = mDPI;
return true;
}
bool
TabParent::RecvGetWidgetNativeData(WindowsHandle* aValue)
{
nsCOMPtr<nsIContent> content = do_QueryInterface(mFrameElement);
if (content) {
nsIDocument* document = content->GetOwnerDoc();
if (document) {
nsIPresShell* shell = document->GetShell();
if (shell) {
nsIViewManager* vm = shell->GetViewManager();
nsCOMPtr<nsIWidget> widget;
vm->GetRootWidget(getter_AddRefs(widget));
if (widget) {
*aValue = reinterpret_cast<WindowsHandle>(
widget->GetNativeData(NS_NATIVE_WINDOW));
return true;
}
}
}
}
return false;
}
bool
TabParent::ReceiveMessage(const nsString& aMessage,
PRBool aSync,
const nsString& aJSON,
InfallibleTArray<nsString>* aJSONRetVal)
{
nsRefPtr<nsFrameLoader> frameLoader = GetFrameLoader();
if (frameLoader && frameLoader->GetFrameMessageManager()) {
nsRefPtr<nsFrameMessageManager> manager =
frameLoader->GetFrameMessageManager();
JSContext* ctx = manager->GetJSContext();
JSAutoRequest ar(ctx);
PRUint32 len = 0; //TODO: obtain a real value in bug 572685
// Because we want JS messages to have always the same properties,
// create array even if len == 0.
JSObject* objectsArray = JS_NewArrayObject(ctx, len, NULL);
if (!objectsArray) {
return false;
}
manager->ReceiveMessage(mFrameElement,
aMessage,
aSync,
aJSON,
objectsArray,
aJSONRetVal);
}
return true;
}
// nsIAuthPromptProvider
// This method is largely copied from nsDocShell::GetAuthPrompt
NS_IMETHODIMP
TabParent::GetAuthPrompt(PRUint32 aPromptReason, const nsIID& iid,
void** aResult)
{
// we're either allowing auth, or it's a proxy request
nsresult rv;
nsCOMPtr<nsIPromptFactory> wwatch =
do_GetService(NS_WINDOWWATCHER_CONTRACTID, &rv);
NS_ENSURE_SUCCESS(rv, rv);
nsCOMPtr<nsIDOMWindow> window;
nsCOMPtr<nsIContent> frame = do_QueryInterface(mFrameElement);
if (frame)
window = do_QueryInterface(frame->GetOwnerDoc()->GetWindow());
// Get an auth prompter for our window so that the parenting
// of the dialogs works as it should when using tabs.
return wwatch->GetPrompt(window, iid,
reinterpret_cast<void**>(aResult));
}
PContentDialogParent*
TabParent::AllocPContentDialog(const PRUint32& aType,
const nsCString& aName,
const nsCString& aFeatures,
const InfallibleTArray<int>& aIntParams,
const InfallibleTArray<nsString>& aStringParams)
{
ContentDialogParent* parent = new ContentDialogParent();
nsCOMPtr<nsIDialogParamBlock> params =
do_CreateInstance(NS_DIALOGPARAMBLOCK_CONTRACTID);
TabChild::ArraysToParams(aIntParams, aStringParams, params);
mDelayedDialogs.AppendElement(new DelayedDialogData(parent, aType, aName,
aFeatures, params));
nsRefPtr<nsIRunnable> ev =
NS_NewRunnableMethod(this, &TabParent::HandleDelayedDialogs);
NS_DispatchToCurrentThread(ev);
return parent;
}
void
TabParent::HandleDelayedDialogs()
{
nsCOMPtr<nsIWindowWatcher> ww = do_GetService(NS_WINDOWWATCHER_CONTRACTID);
nsCOMPtr<nsIDOMWindow> window;
nsCOMPtr<nsIContent> frame = do_QueryInterface(mFrameElement);
if (frame) {
window = do_QueryInterface(frame->GetOwnerDoc()->GetWindow());
}
nsCOMPtr<nsIDialogCreator> dialogCreator = do_QueryInterface(mBrowserDOMWindow);
while (!ShouldDelayDialogs() && mDelayedDialogs.Length()) {
PRUint32 index = mDelayedDialogs.Length() - 1;
DelayedDialogData* data = mDelayedDialogs[index];
mDelayedDialogs.RemoveElementAt(index);
nsCOMPtr<nsIDialogParamBlock> params;
params.swap(data->mParams);
PContentDialogParent* dialog = data->mDialog;
if (dialogCreator) {
dialogCreator->OpenDialog(data->mType,
data->mName, data->mFeatures,
params, mFrameElement);
} else if (ww) {
nsCAutoString url;
if (data->mType) {
if (data->mType == nsIDialogCreator::SELECT_DIALOG) {
url.Assign("chrome://global/content/selectDialog.xul");
} else if (data->mType == nsIDialogCreator::GENERIC_DIALOG) {
url.Assign("chrome://global/content/commonDialog.xul");
}
nsCOMPtr<nsISupports> arguments(do_QueryInterface(params));
nsCOMPtr<nsIDOMWindow> dialog;
ww->OpenWindow(window, url.get(), data->mName.get(),
data->mFeatures.get(), arguments, getter_AddRefs(dialog));
} else {
NS_WARNING("unknown dialog types aren't automatically supported in E10s yet!");
}
}
delete data;
if (dialog) {
InfallibleTArray<PRInt32> intParams;
InfallibleTArray<nsString> stringParams;
TabChild::ParamsToArrays(params, intParams, stringParams);
unused << PContentDialogParent::Send__delete__(dialog,
intParams, stringParams);
}
}
if (ShouldDelayDialogs() && mDelayedDialogs.Length()) {
nsContentUtils::DispatchTrustedEvent(frame->GetOwnerDoc(), frame,
NS_LITERAL_STRING("MozDelayedModalDialog"),
PR_TRUE, PR_TRUE);
}
}
PRenderFrameParent*
TabParent::AllocPRenderFrame()
{
nsRefPtr<nsFrameLoader> frameLoader = GetFrameLoader();
NS_WARN_IF_FALSE(frameLoader, "'message sent to unknown actor ID' coming up");
return frameLoader ? new RenderFrameParent(frameLoader) : nsnull;
}
bool
TabParent::DeallocPRenderFrame(PRenderFrameParent* aFrame)
{
delete aFrame;
return true;
}
mozilla::docshell::POfflineCacheUpdateParent*
TabParent::AllocPOfflineCacheUpdate(const URI& aManifestURI,
const URI& aDocumentURI,
const nsCString& aClientID,
const bool& stickDocument)
{
nsRefPtr<mozilla::docshell::OfflineCacheUpdateParent> update =
new mozilla::docshell::OfflineCacheUpdateParent();
nsresult rv = update->Schedule(aManifestURI, aDocumentURI, aClientID,
stickDocument);
if (NS_FAILED(rv))
return nsnull;
POfflineCacheUpdateParent* result = update.get();
update.forget();
return result;
}
bool
TabParent::DeallocPOfflineCacheUpdate(mozilla::docshell::POfflineCacheUpdateParent* actor)
{
mozilla::docshell::OfflineCacheUpdateParent* update =
static_cast<mozilla::docshell::OfflineCacheUpdateParent*>(actor);
update->Release();
return true;
}
PRBool
TabParent::ShouldDelayDialogs()
{
nsRefPtr<nsFrameLoader> frameLoader = GetFrameLoader();
NS_ENSURE_TRUE(frameLoader, PR_TRUE);
PRBool delay = PR_FALSE;
frameLoader->GetDelayRemoteDialogs(&delay);
return delay;
}
PRBool
TabParent::AllowContentIME()
{
nsFocusManager* fm = nsFocusManager::GetFocusManager();
NS_ENSURE_TRUE(fm, PR_FALSE);
nsCOMPtr<nsIContent> focusedContent = fm->GetFocusedContent();
if (focusedContent && focusedContent->IsEditable())
return PR_FALSE;
return PR_TRUE;
}
already_AddRefed<nsFrameLoader>
TabParent::GetFrameLoader() const
{
nsCOMPtr<nsIFrameLoaderOwner> frameLoaderOwner = do_QueryInterface(mFrameElement);
return frameLoaderOwner ? frameLoaderOwner->GetFrameLoader() : nsnull;
}
already_AddRefed<nsIWidget>
TabParent::GetWidget() const
{
nsCOMPtr<nsIContent> content = do_QueryInterface(mFrameElement);
if (!content)
return nsnull;
nsIFrame *frame = content->GetPrimaryFrame();
if (!frame)
return nsnull;
return nsCOMPtr<nsIWidget>(frame->GetNearestWidget()).forget();
}
} // namespace tabs
} // namespace mozilla
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