/
DOMWindow.cpp
1539 lines (1245 loc) · 39.1 KB
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DOMWindow.cpp
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/*
* Copyright (C) 2006, 2007, 2008 Apple Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "config.h"
#include "DOMWindow.h"
#include "AbstractDatabase.h"
#include "Base64.h"
#include "BarInfo.h"
#include "BeforeUnloadEvent.h"
#include "CSSComputedStyleDeclaration.h"
#include "CSSRuleList.h"
#include "CSSStyleSelector.h"
#include "Chrome.h"
#include "Console.h"
#include "DocumentLoader.h"
#include "DOMApplicationCache.h"
#include "DOMSelection.h"
#include "DOMTimer.h"
#include "Database.h"
#include "DatabaseCallback.h"
#include "DeviceOrientationController.h"
#include "PageTransitionEvent.h"
#include "Document.h"
#include "Element.h"
#include "EventException.h"
#include "EventListener.h"
#include "EventNames.h"
#include "ExceptionCode.h"
#include "FloatRect.h"
#include "Frame.h"
#include "FrameLoader.h"
#include "FrameTree.h"
#include "FrameView.h"
#include "HTMLFrameOwnerElement.h"
#include "History.h"
#include "IndexedDatabase.h"
#include "IndexedDatabaseRequest.h"
#include "InspectorController.h"
#include "InspectorTimelineAgent.h"
#include "Location.h"
#include "StyleMedia.h"
#include "MessageEvent.h"
#include "Navigator.h"
#include "NotificationCenter.h"
#include "Page.h"
#include "PageGroup.h"
#include "Performance.h"
#include "PlatformScreen.h"
#include "PlatformString.h"
#include "Screen.h"
#include "SecurityOrigin.h"
#include "SerializedScriptValue.h"
#include "Settings.h"
#include "Storage.h"
#include "StorageArea.h"
#include "StorageNamespace.h"
#include "SuddenTermination.h"
#include "WebKitPoint.h"
#include <algorithm>
#include <wtf/CurrentTime.h>
#include <wtf/MathExtras.h>
#include <wtf/text/CString.h>
using std::min;
using std::max;
namespace WebCore {
class PostMessageTimer : public TimerBase {
public:
PostMessageTimer(DOMWindow* window, PassRefPtr<SerializedScriptValue> message, const String& sourceOrigin, PassRefPtr<DOMWindow> source, PassOwnPtr<MessagePortChannelArray> channels, SecurityOrigin* targetOrigin)
: m_window(window)
, m_message(message)
, m_origin(sourceOrigin)
, m_source(source)
, m_channels(channels)
, m_targetOrigin(targetOrigin)
{
}
PassRefPtr<MessageEvent> event(ScriptExecutionContext* context)
{
OwnPtr<MessagePortArray> messagePorts = MessagePort::entanglePorts(*context, m_channels.release());
return MessageEvent::create(messagePorts.release(), m_message, m_origin, "", m_source);
}
SecurityOrigin* targetOrigin() const { return m_targetOrigin.get(); }
private:
virtual void fired()
{
m_window->postMessageTimerFired(this);
}
RefPtr<DOMWindow> m_window;
RefPtr<SerializedScriptValue> m_message;
String m_origin;
RefPtr<DOMWindow> m_source;
OwnPtr<MessagePortChannelArray> m_channels;
RefPtr<SecurityOrigin> m_targetOrigin;
};
typedef HashCountedSet<DOMWindow*> DOMWindowSet;
static DOMWindowSet& windowsWithUnloadEventListeners()
{
DEFINE_STATIC_LOCAL(DOMWindowSet, windowsWithUnloadEventListeners, ());
return windowsWithUnloadEventListeners;
}
static DOMWindowSet& windowsWithBeforeUnloadEventListeners()
{
DEFINE_STATIC_LOCAL(DOMWindowSet, windowsWithBeforeUnloadEventListeners, ());
return windowsWithBeforeUnloadEventListeners;
}
static void addUnloadEventListener(DOMWindow* domWindow)
{
DOMWindowSet& set = windowsWithUnloadEventListeners();
if (set.isEmpty())
disableSuddenTermination();
set.add(domWindow);
}
static void removeUnloadEventListener(DOMWindow* domWindow)
{
DOMWindowSet& set = windowsWithUnloadEventListeners();
DOMWindowSet::iterator it = set.find(domWindow);
if (it == set.end())
return;
set.remove(it);
if (set.isEmpty())
enableSuddenTermination();
}
static void removeAllUnloadEventListeners(DOMWindow* domWindow)
{
DOMWindowSet& set = windowsWithUnloadEventListeners();
DOMWindowSet::iterator it = set.find(domWindow);
if (it == set.end())
return;
set.removeAll(it);
if (set.isEmpty())
enableSuddenTermination();
}
static void addBeforeUnloadEventListener(DOMWindow* domWindow)
{
DOMWindowSet& set = windowsWithBeforeUnloadEventListeners();
if (set.isEmpty())
disableSuddenTermination();
set.add(domWindow);
}
static void removeBeforeUnloadEventListener(DOMWindow* domWindow)
{
DOMWindowSet& set = windowsWithBeforeUnloadEventListeners();
DOMWindowSet::iterator it = set.find(domWindow);
if (it == set.end())
return;
set.remove(it);
if (set.isEmpty())
enableSuddenTermination();
}
static void removeAllBeforeUnloadEventListeners(DOMWindow* domWindow)
{
DOMWindowSet& set = windowsWithBeforeUnloadEventListeners();
DOMWindowSet::iterator it = set.find(domWindow);
if (it == set.end())
return;
set.removeAll(it);
if (set.isEmpty())
enableSuddenTermination();
}
static bool allowsBeforeUnloadListeners(DOMWindow* window)
{
ASSERT_ARG(window, window);
Frame* frame = window->frame();
if (!frame)
return false;
Page* page = frame->page();
if (!page)
return false;
return frame == page->mainFrame();
}
bool DOMWindow::dispatchAllPendingBeforeUnloadEvents()
{
DOMWindowSet& set = windowsWithBeforeUnloadEventListeners();
if (set.isEmpty())
return true;
static bool alreadyDispatched = false;
ASSERT(!alreadyDispatched);
if (alreadyDispatched)
return true;
Vector<RefPtr<DOMWindow> > windows;
DOMWindowSet::iterator end = set.end();
for (DOMWindowSet::iterator it = set.begin(); it != end; ++it)
windows.append(it->first);
size_t size = windows.size();
for (size_t i = 0; i < size; ++i) {
DOMWindow* window = windows[i].get();
if (!set.contains(window))
continue;
Frame* frame = window->frame();
if (!frame)
continue;
if (!frame->loader()->shouldClose())
return false;
}
enableSuddenTermination();
alreadyDispatched = true;
return true;
}
unsigned DOMWindow::pendingUnloadEventListeners() const
{
return windowsWithUnloadEventListeners().count(const_cast<DOMWindow*>(this));
}
void DOMWindow::dispatchAllPendingUnloadEvents()
{
DOMWindowSet& set = windowsWithUnloadEventListeners();
if (set.isEmpty())
return;
static bool alreadyDispatched = false;
ASSERT(!alreadyDispatched);
if (alreadyDispatched)
return;
Vector<RefPtr<DOMWindow> > windows;
DOMWindowSet::iterator end = set.end();
for (DOMWindowSet::iterator it = set.begin(); it != end; ++it)
windows.append(it->first);
size_t size = windows.size();
for (size_t i = 0; i < size; ++i) {
DOMWindow* window = windows[i].get();
if (!set.contains(window))
continue;
window->dispatchEvent(PageTransitionEvent::create(eventNames().pagehideEvent, false), window->document());
window->dispatchEvent(Event::create(eventNames().unloadEvent, false, false), window->document());
}
enableSuddenTermination();
alreadyDispatched = true;
}
// This function:
// 1) Validates the pending changes are not changing to NaN
// 2) Constrains the window rect to no smaller than 100 in each dimension and no
// bigger than the the float rect's dimensions.
// 3) Constrain window rect to within the top and left boundaries of the screen rect
// 4) Constraint the window rect to within the bottom and right boundaries of the
// screen rect.
// 5) Translate the window rect coordinates to be within the coordinate space of
// the screen rect.
void DOMWindow::adjustWindowRect(const FloatRect& screen, FloatRect& window, const FloatRect& pendingChanges)
{
// Make sure we're in a valid state before adjusting dimensions.
ASSERT(isfinite(screen.x()));
ASSERT(isfinite(screen.y()));
ASSERT(isfinite(screen.width()));
ASSERT(isfinite(screen.height()));
ASSERT(isfinite(window.x()));
ASSERT(isfinite(window.y()));
ASSERT(isfinite(window.width()));
ASSERT(isfinite(window.height()));
// Update window values if new requested values are not NaN.
if (!isnan(pendingChanges.x()))
window.setX(pendingChanges.x());
if (!isnan(pendingChanges.y()))
window.setY(pendingChanges.y());
if (!isnan(pendingChanges.width()))
window.setWidth(pendingChanges.width());
if (!isnan(pendingChanges.height()))
window.setHeight(pendingChanges.height());
// Resize the window to between 100 and the screen width and height.
window.setWidth(min(max(100.0f, window.width()), screen.width()));
window.setHeight(min(max(100.0f, window.height()), screen.height()));
// Constrain the window position to the screen.
window.setX(max(screen.x(), min(window.x(), screen.right() - window.width())));
window.setY(max(screen.y(), min(window.y(), screen.bottom() - window.height())));
}
void DOMWindow::parseModalDialogFeatures(const String& featuresArg, HashMap<String, String>& map)
{
Vector<String> features;
featuresArg.split(';', features);
Vector<String>::const_iterator end = features.end();
for (Vector<String>::const_iterator it = features.begin(); it != end; ++it) {
String s = *it;
int pos = s.find('=');
int colonPos = s.find(':');
if (pos >= 0 && colonPos >= 0)
continue; // ignore any strings that have both = and :
if (pos < 0)
pos = colonPos;
if (pos < 0) {
// null string for value means key without value
map.set(s.stripWhiteSpace().lower(), String());
} else {
String key = s.left(pos).stripWhiteSpace().lower();
String val = s.substring(pos + 1).stripWhiteSpace().lower();
int spacePos = val.find(' ');
if (spacePos != -1)
val = val.left(spacePos);
map.set(key, val);
}
}
}
bool DOMWindow::allowPopUp(Frame* activeFrame)
{
ASSERT(activeFrame);
Settings* settings = activeFrame->settings();
return settings && settings->javaScriptCanOpenWindowsAutomatically();
}
bool DOMWindow::canShowModalDialog(const Frame* frame)
{
if (!frame)
return false;
Page* page = frame->page();
if (!page)
return false;
return page->chrome()->canRunModal();
}
bool DOMWindow::canShowModalDialogNow(const Frame* frame)
{
if (!frame)
return false;
Page* page = frame->page();
if (!page)
return false;
return page->chrome()->canRunModalNow();
}
DOMWindow::DOMWindow(Frame* frame)
: m_frame(frame)
{
}
DOMWindow::~DOMWindow()
{
if (m_frame)
m_frame->clearFormerDOMWindow(this);
removeAllUnloadEventListeners(this);
removeAllBeforeUnloadEventListeners(this);
}
ScriptExecutionContext* DOMWindow::scriptExecutionContext() const
{
return document();
}
void DOMWindow::disconnectFrame()
{
m_frame = 0;
clear();
}
void DOMWindow::clear()
{
if (m_screen)
m_screen->disconnectFrame();
m_screen = 0;
if (m_selection)
m_selection->disconnectFrame();
m_selection = 0;
if (m_history)
m_history->disconnectFrame();
m_history = 0;
if (m_locationbar)
m_locationbar->disconnectFrame();
m_locationbar = 0;
if (m_menubar)
m_menubar->disconnectFrame();
m_menubar = 0;
if (m_personalbar)
m_personalbar->disconnectFrame();
m_personalbar = 0;
if (m_scrollbars)
m_scrollbars->disconnectFrame();
m_scrollbars = 0;
if (m_statusbar)
m_statusbar->disconnectFrame();
m_statusbar = 0;
if (m_toolbar)
m_toolbar->disconnectFrame();
m_toolbar = 0;
if (m_console)
m_console->disconnectFrame();
m_console = 0;
if (m_navigator)
m_navigator->disconnectFrame();
m_navigator = 0;
#if ENABLE(WEB_TIMING)
if (m_performance)
m_performance->disconnectFrame();
m_performance = 0;
#endif
if (m_location)
m_location->disconnectFrame();
m_location = 0;
if (m_media)
m_media->disconnectFrame();
m_media = 0;
#if ENABLE(DOM_STORAGE)
if (m_sessionStorage)
m_sessionStorage->disconnectFrame();
m_sessionStorage = 0;
if (m_localStorage)
m_localStorage->disconnectFrame();
m_localStorage = 0;
#endif
#if ENABLE(OFFLINE_WEB_APPLICATIONS)
if (m_applicationCache)
m_applicationCache->disconnectFrame();
m_applicationCache = 0;
#endif
#if ENABLE(NOTIFICATIONS)
if (m_notifications)
m_notifications->disconnectFrame();
m_notifications = 0;
#endif
#if ENABLE(INDEXED_DATABASE)
m_indexedDatabaseRequest = 0;
#endif
}
#if ENABLE(ORIENTATION_EVENTS)
int DOMWindow::orientation() const
{
if (!m_frame)
return 0;
return m_frame->orientation();
}
#endif
Screen* DOMWindow::screen() const
{
if (!m_screen)
m_screen = Screen::create(m_frame);
return m_screen.get();
}
History* DOMWindow::history() const
{
if (!m_history)
m_history = History::create(m_frame);
return m_history.get();
}
BarInfo* DOMWindow::locationbar() const
{
if (!m_locationbar)
m_locationbar = BarInfo::create(m_frame, BarInfo::Locationbar);
return m_locationbar.get();
}
BarInfo* DOMWindow::menubar() const
{
if (!m_menubar)
m_menubar = BarInfo::create(m_frame, BarInfo::Menubar);
return m_menubar.get();
}
BarInfo* DOMWindow::personalbar() const
{
if (!m_personalbar)
m_personalbar = BarInfo::create(m_frame, BarInfo::Personalbar);
return m_personalbar.get();
}
BarInfo* DOMWindow::scrollbars() const
{
if (!m_scrollbars)
m_scrollbars = BarInfo::create(m_frame, BarInfo::Scrollbars);
return m_scrollbars.get();
}
BarInfo* DOMWindow::statusbar() const
{
if (!m_statusbar)
m_statusbar = BarInfo::create(m_frame, BarInfo::Statusbar);
return m_statusbar.get();
}
BarInfo* DOMWindow::toolbar() const
{
if (!m_toolbar)
m_toolbar = BarInfo::create(m_frame, BarInfo::Toolbar);
return m_toolbar.get();
}
Console* DOMWindow::console() const
{
if (!m_console)
m_console = Console::create(m_frame);
return m_console.get();
}
#if ENABLE(OFFLINE_WEB_APPLICATIONS)
DOMApplicationCache* DOMWindow::applicationCache() const
{
if (!m_applicationCache)
m_applicationCache = DOMApplicationCache::create(m_frame);
return m_applicationCache.get();
}
#endif
Navigator* DOMWindow::navigator() const
{
if (!m_navigator)
m_navigator = Navigator::create(m_frame);
return m_navigator.get();
}
#if ENABLE(WEB_TIMING)
Performance* DOMWindow::webkitPerformance() const
{
if (!m_performance)
m_performance = Performance::create(m_frame);
return m_performance.get();
}
#endif
Location* DOMWindow::location() const
{
if (!m_location)
m_location = Location::create(m_frame);
return m_location.get();
}
#if ENABLE(DOM_STORAGE)
Storage* DOMWindow::sessionStorage(ExceptionCode& ec) const
{
if (m_sessionStorage)
return m_sessionStorage.get();
Document* document = this->document();
if (!document)
return 0;
if (!document->securityOrigin()->canAccessLocalStorage()) {
ec = SECURITY_ERR;
return 0;
}
Page* page = document->page();
if (!page)
return 0;
RefPtr<StorageArea> storageArea = page->sessionStorage()->storageArea(document->securityOrigin());
#if ENABLE(INSPECTOR)
page->inspectorController()->didUseDOMStorage(storageArea.get(), false, m_frame);
#endif
m_sessionStorage = Storage::create(m_frame, storageArea.release());
return m_sessionStorage.get();
}
Storage* DOMWindow::localStorage(ExceptionCode& ec) const
{
if (m_localStorage)
return m_localStorage.get();
Document* document = this->document();
if (!document)
return 0;
if (!document->securityOrigin()->canAccessLocalStorage()) {
ec = SECURITY_ERR;
return 0;
}
Page* page = document->page();
if (!page)
return 0;
if (!page->settings()->localStorageEnabled())
return 0;
RefPtr<StorageArea> storageArea = page->group().localStorage()->storageArea(document->securityOrigin());
#if ENABLE(INSPECTOR)
page->inspectorController()->didUseDOMStorage(storageArea.get(), true, m_frame);
#endif
m_localStorage = Storage::create(m_frame, storageArea.release());
return m_localStorage.get();
}
#endif
#if ENABLE(NOTIFICATIONS)
NotificationCenter* DOMWindow::webkitNotifications() const
{
if (m_notifications)
return m_notifications.get();
Document* document = this->document();
if (!document)
return 0;
Page* page = document->page();
if (!page)
return 0;
NotificationPresenter* provider = page->chrome()->notificationPresenter();
if (provider)
m_notifications = NotificationCenter::create(document, provider);
return m_notifications.get();
}
#endif
#if ENABLE(INDEXED_DATABASE)
IndexedDatabaseRequest* DOMWindow::indexedDB() const
{
if (m_indexedDatabaseRequest)
return m_indexedDatabaseRequest.get();
Document* document = this->document();
if (!document)
return 0;
// FIXME: See if access is allowed.
Page* page = document->page();
if (!page)
return 0;
// FIXME: See if indexedDatabase access is allowed.
m_indexedDatabaseRequest = IndexedDatabaseRequest::create(page->group().indexedDatabase());
return m_indexedDatabaseRequest.get();
}
#endif
void DOMWindow::postMessage(PassRefPtr<SerializedScriptValue> message, MessagePort* port, const String& targetOrigin, DOMWindow* source, ExceptionCode& ec)
{
MessagePortArray ports;
if (port)
ports.append(port);
postMessage(message, &ports, targetOrigin, source, ec);
}
void DOMWindow::postMessage(PassRefPtr<SerializedScriptValue> message, const MessagePortArray* ports, const String& targetOrigin, DOMWindow* source, ExceptionCode& ec)
{
if (!m_frame)
return;
// Compute the target origin. We need to do this synchronously in order
// to generate the SYNTAX_ERR exception correctly.
RefPtr<SecurityOrigin> target;
if (targetOrigin != "*") {
target = SecurityOrigin::createFromString(targetOrigin);
if (target->isEmpty()) {
ec = SYNTAX_ERR;
return;
}
}
OwnPtr<MessagePortChannelArray> channels = MessagePort::disentanglePorts(ports, ec);
if (ec)
return;
// Capture the source of the message. We need to do this synchronously
// in order to capture the source of the message correctly.
Document* sourceDocument = source->document();
if (!sourceDocument)
return;
String sourceOrigin = sourceDocument->securityOrigin()->toString();
// Schedule the message.
PostMessageTimer* timer = new PostMessageTimer(this, message, sourceOrigin, source, channels.release(), target.get());
timer->startOneShot(0);
}
void DOMWindow::postMessageTimerFired(PostMessageTimer* t)
{
OwnPtr<PostMessageTimer> timer(t);
if (!document())
return;
if (timer->targetOrigin()) {
// Check target origin now since the target document may have changed since the simer was scheduled.
if (!timer->targetOrigin()->isSameSchemeHostPort(document()->securityOrigin())) {
String message = String::format("Unable to post message to %s. Recipient has origin %s.\n",
timer->targetOrigin()->toString().utf8().data(), document()->securityOrigin()->toString().utf8().data());
console()->addMessage(JSMessageSource, LogMessageType, ErrorMessageLevel, message, 0, String());
return;
}
}
dispatchEvent(timer->event(document()));
}
DOMSelection* DOMWindow::getSelection()
{
if (!m_selection)
m_selection = DOMSelection::create(m_frame);
return m_selection.get();
}
Element* DOMWindow::frameElement() const
{
if (!m_frame)
return 0;
return m_frame->ownerElement();
}
void DOMWindow::focus()
{
if (!m_frame)
return;
Page* page = m_frame->page();
if (!page)
return;
// If we're a top level window, bring the window to the front.
if (m_frame == page->mainFrame())
page->chrome()->focus();
if (!m_frame)
return;
m_frame->eventHandler()->focusDocumentView();
}
void DOMWindow::blur()
{
if (!m_frame)
return;
Page* page = m_frame->page();
if (!page)
return;
if (m_frame != page->mainFrame())
return;
page->chrome()->unfocus();
}
void DOMWindow::close()
{
if (!m_frame)
return;
Page* page = m_frame->page();
if (!page)
return;
if (m_frame != page->mainFrame())
return;
Settings* settings = m_frame->settings();
bool allowScriptsToCloseWindows = settings && settings->allowScriptsToCloseWindows();
if (!(page->openedByDOM() || page->getHistoryLength() <= 1 || allowScriptsToCloseWindows))
return;
if (!m_frame->loader()->shouldClose())
return;
page->chrome()->closeWindowSoon();
}
void DOMWindow::print()
{
if (!m_frame)
return;
Page* page = m_frame->page();
if (!page)
return;
page->chrome()->print(m_frame);
}
void DOMWindow::stop()
{
if (!m_frame)
return;
// We must check whether the load is complete asynchronously, because we might still be parsing
// the document until the callstack unwinds.
m_frame->loader()->stopForUserCancel(true);
}
void DOMWindow::alert(const String& message)
{
if (!m_frame)
return;
m_frame->document()->updateStyleIfNeeded();
Page* page = m_frame->page();
if (!page)
return;
page->chrome()->runJavaScriptAlert(m_frame, message);
}
bool DOMWindow::confirm(const String& message)
{
if (!m_frame)
return false;
m_frame->document()->updateStyleIfNeeded();
Page* page = m_frame->page();
if (!page)
return false;
return page->chrome()->runJavaScriptConfirm(m_frame, message);
}
String DOMWindow::prompt(const String& message, const String& defaultValue)
{
if (!m_frame)
return String();
m_frame->document()->updateStyleIfNeeded();
Page* page = m_frame->page();
if (!page)
return String();
String returnValue;
if (page->chrome()->runJavaScriptPrompt(m_frame, message, defaultValue, returnValue))
return returnValue;
return String();
}
static bool isSafeToConvertCharList(const String& string)
{
for (unsigned i = 0; i < string.length(); i++) {
if (string[i] > 0xFF)
return false;
}
return true;
}
String DOMWindow::btoa(const String& stringToEncode, ExceptionCode& ec)
{
if (stringToEncode.isNull())
return String();
if (!isSafeToConvertCharList(stringToEncode)) {
ec = INVALID_CHARACTER_ERR;
return String();
}
Vector<char> in;
in.append(stringToEncode.characters(), stringToEncode.length());
Vector<char> out;
base64Encode(in, out);
return String(out.data(), out.size());
}
String DOMWindow::atob(const String& encodedString, ExceptionCode& ec)
{
if (encodedString.isNull())
return String();
if (!isSafeToConvertCharList(encodedString)) {
ec = INVALID_CHARACTER_ERR;
return String();
}
Vector<char> in;
in.append(encodedString.characters(), encodedString.length());
Vector<char> out;
if (!base64Decode(in, out)) {
ec = INVALID_CHARACTER_ERR;
return String();
}
return String(out.data(), out.size());
}
bool DOMWindow::find(const String& string, bool caseSensitive, bool backwards, bool wrap, bool /*wholeWord*/, bool /*searchInFrames*/, bool /*showDialog*/) const
{
if (!m_frame)
return false;
// FIXME (13016): Support wholeWord, searchInFrames and showDialog
return m_frame->findString(string, !backwards, caseSensitive, wrap, false);
}
bool DOMWindow::offscreenBuffering() const
{
return true;
}
int DOMWindow::outerHeight() const
{
if (!m_frame)
return 0;
Page* page = m_frame->page();
if (!page)
return 0;
return static_cast<int>(page->chrome()->windowRect().height());
}
int DOMWindow::outerWidth() const
{
if (!m_frame)
return 0;
Page* page = m_frame->page();
if (!page)
return 0;
return static_cast<int>(page->chrome()->windowRect().width());
}
int DOMWindow::innerHeight() const
{
if (!m_frame)
return 0;
FrameView* view = m_frame->view();
if (!view)
return 0;
return static_cast<int>(view->height() / view->pageZoomFactor());
}