| /* |
| * Copyright (C) 2008, 2009 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 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 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 "DOMApplicationCache.h" |
| |
| #if ENABLE(OFFLINE_WEB_APPLICATIONS) |
| |
| #include "ApplicationCacheHost.h" |
| #include "DocumentLoader.h" |
| #include "Event.h" |
| #include "EventException.h" |
| #include "EventListener.h" |
| #include "EventNames.h" |
| #include "Frame.h" |
| #include "FrameLoader.h" |
| |
| namespace WebCore { |
| |
| DOMApplicationCache::DOMApplicationCache(Frame* frame) |
| : m_frame(frame) |
| { |
| ASSERT(applicationCacheHost()); |
| applicationCacheHost()->setDOMApplicationCache(this); |
| } |
| |
| void DOMApplicationCache::disconnectFrame() |
| { |
| ApplicationCacheHost* cacheHost = applicationCacheHost(); |
| if (cacheHost) |
| cacheHost->setDOMApplicationCache(0); |
| m_frame = 0; |
| } |
| |
| ApplicationCacheHost* DOMApplicationCache::applicationCacheHost() const |
| { |
| if (!m_frame || !m_frame->loader()->documentLoader()) |
| return 0; |
| return m_frame->loader()->documentLoader()->applicationCacheHost(); |
| } |
| |
| unsigned short DOMApplicationCache::status() const |
| { |
| ApplicationCacheHost* cacheHost = applicationCacheHost(); |
| if (!cacheHost) |
| return ApplicationCacheHost::UNCACHED; |
| return cacheHost->status(); |
| } |
| |
| void DOMApplicationCache::update(ExceptionCode& ec) |
| { |
| ApplicationCacheHost* cacheHost = applicationCacheHost(); |
| if (!cacheHost || !cacheHost->update()) |
| ec = INVALID_STATE_ERR; |
| } |
| |
| bool DOMApplicationCache::swapCache() |
| { |
| ApplicationCacheHost* cacheHost = applicationCacheHost(); |
| if (!cacheHost) |
| return false; |
| return cacheHost->swapCache(); |
| } |
| |
| void DOMApplicationCache::swapCache(ExceptionCode& ec) |
| { |
| if (!swapCache()) |
| ec = INVALID_STATE_ERR; |
| } |
| |
| ScriptExecutionContext* DOMApplicationCache::scriptExecutionContext() const |
| { |
| return m_frame->document(); |
| } |
| |
| void DOMApplicationCache::addEventListener(const AtomicString& eventType, PassRefPtr<EventListener> eventListener, bool) |
| { |
| EventListenersMap::iterator iter = m_eventListeners.find(eventType); |
| if (iter == m_eventListeners.end()) { |
| ListenerVector listeners; |
| listeners.append(eventListener); |
| m_eventListeners.add(eventType, listeners); |
| } else { |
| ListenerVector& listeners = iter->second; |
| for (ListenerVector::iterator listenerIter = listeners.begin(); listenerIter != listeners.end(); ++listenerIter) { |
| if (*listenerIter == eventListener) |
| return; |
| } |
| |
| listeners.append(eventListener); |
| m_eventListeners.add(eventType, listeners); |
| } |
| } |
| |
| void DOMApplicationCache::removeEventListener(const AtomicString& eventType, EventListener* eventListener, bool) |
| { |
| EventListenersMap::iterator iter = m_eventListeners.find(eventType); |
| if (iter == m_eventListeners.end()) |
| return; |
| |
| ListenerVector& listeners = iter->second; |
| for (ListenerVector::const_iterator listenerIter = listeners.begin(); listenerIter != listeners.end(); ++listenerIter) { |
| if (*listenerIter == eventListener) { |
| listeners.remove(listenerIter - listeners.begin()); |
| return; |
| } |
| } |
| } |
| |
| bool DOMApplicationCache::dispatchEvent(PassRefPtr<Event> event, ExceptionCode& ec) |
| { |
| if (!event || event->type().isEmpty()) { |
| ec = EventException::UNSPECIFIED_EVENT_TYPE_ERR; |
| return true; |
| } |
| |
| ListenerVector listenersCopy = m_eventListeners.get(event->type()); |
| for (ListenerVector::const_iterator listenerIter = listenersCopy.begin(); listenerIter != listenersCopy.end(); ++listenerIter) { |
| event->setTarget(this); |
| event->setCurrentTarget(this); |
| listenerIter->get()->handleEvent(event.get(), false); |
| } |
| |
| return !event->defaultPrevented(); |
| } |
| |
| void DOMApplicationCache::callListener(const AtomicString& eventType, EventListener* listener) |
| { |
| ASSERT(m_frame); |
| |
| RefPtr<Event> event = Event::create(eventType, false, false); |
| if (listener) { |
| event->setTarget(this); |
| event->setCurrentTarget(this); |
| listener->handleEvent(event.get(), false); |
| } |
| |
| ExceptionCode ec = 0; |
| dispatchEvent(event.release(), ec); |
| ASSERT(!ec); |
| } |
| |
| const AtomicString& DOMApplicationCache::toEventType(ApplicationCacheHost::EventID id) |
| { |
| switch (id) { |
| case ApplicationCacheHost::CHECKING_EVENT: |
| return eventNames().checkingEvent; |
| case ApplicationCacheHost::ERROR_EVENT: |
| return eventNames().errorEvent; |
| case ApplicationCacheHost::NOUPDATE_EVENT: |
| return eventNames().noupdateEvent; |
| case ApplicationCacheHost::DOWNLOADING_EVENT: |
| return eventNames().downloadingEvent; |
| case ApplicationCacheHost::PROGRESS_EVENT: |
| return eventNames().progressEvent; |
| case ApplicationCacheHost::UPDATEREADY_EVENT: |
| return eventNames().updatereadyEvent; |
| case ApplicationCacheHost::CACHED_EVENT: |
| return eventNames().cachedEvent; |
| case ApplicationCacheHost::OBSOLETE_EVENT: |
| return eventNames().obsoleteEvent; |
| } |
| ASSERT_NOT_REACHED(); |
| return eventNames().errorEvent; |
| } |
| |
| ApplicationCacheHost::EventID DOMApplicationCache::toEventID(const AtomicString& eventType) |
| { |
| if (eventType == eventNames().checkingEvent) |
| return ApplicationCacheHost::CHECKING_EVENT; |
| if (eventType == eventNames().errorEvent) |
| return ApplicationCacheHost::ERROR_EVENT; |
| if (eventType == eventNames().noupdateEvent) |
| return ApplicationCacheHost::NOUPDATE_EVENT; |
| if (eventType == eventNames().downloadingEvent) |
| return ApplicationCacheHost::DOWNLOADING_EVENT; |
| if (eventType == eventNames().progressEvent) |
| return ApplicationCacheHost::PROGRESS_EVENT; |
| if (eventType == eventNames().updatereadyEvent) |
| return ApplicationCacheHost::UPDATEREADY_EVENT; |
| if (eventType == eventNames().cachedEvent) |
| return ApplicationCacheHost::CACHED_EVENT; |
| if (eventType == eventNames().obsoleteEvent) |
| return ApplicationCacheHost::OBSOLETE_EVENT; |
| |
| ASSERT_NOT_REACHED(); |
| return ApplicationCacheHost::ERROR_EVENT; |
| } |
| |
| } // namespace WebCore |
| |
| #endif // ENABLE(OFFLINE_WEB_APPLICATIONS) |