mirror of
https://github.com/flutter/flutter.git
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138 lines
5.0 KiB
C++
138 lines
5.0 KiB
C++
/*
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* Copyright (C) 2006, 2007, 2008, 2009, 2010, 2011 Apple Inc. All rights reserved.
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* Copyright (C) 2008 Nokia Corporation and/or its subsidiary(-ies)
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* Copyright (C) 2008, 2009 Torch Mobile Inc. All rights reserved. (http://www.torchmobile.com/)
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* Copyright (C) 2008 Alp Toker <alp@atoker.com>
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* Copyright (C) Research In Motion Limited 2009. All rights reserved.
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* Copyright (C) 2011 Kris Jordan <krisjordan@gmail.com>
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* Copyright (C) 2011 Google Inc. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of Apple Computer, Inc. ("Apple") nor the names of
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* its contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
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* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
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* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "sky/engine/core/loader/FrameLoader.h"
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#include "sky/engine/core/dom/Document.h"
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#include "sky/engine/core/dom/Element.h"
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#include "sky/engine/core/frame/FrameHost.h"
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#include "sky/engine/core/frame/FrameView.h"
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#include "sky/engine/core/frame/LocalDOMWindow.h"
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#include "sky/engine/core/frame/LocalFrame.h"
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#include "sky/engine/core/frame/Settings.h"
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#include "sky/engine/core/inspector/ConsoleMessage.h"
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#include "sky/engine/core/loader/DocumentLoadTiming.h"
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#include "sky/engine/core/loader/FrameLoaderClient.h"
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#include "sky/engine/core/loader/UniqueIdentifier.h"
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#include "sky/engine/core/page/ChromeClient.h"
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#include "sky/engine/core/page/Page.h"
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#include "sky/engine/platform/Logging.h"
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#include "sky/engine/platform/geometry/FloatRect.h"
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#include "sky/engine/platform/weborigin/SecurityPolicy.h"
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#include "sky/engine/wtf/TemporaryChange.h"
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#include "sky/engine/wtf/text/CString.h"
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#include "sky/engine/wtf/text/WTFString.h"
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namespace blink {
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FrameLoader::FrameLoader(LocalFrame* frame)
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: m_frame(frame)
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, m_inStopAllLoaders(false)
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{
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}
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FrameLoader::~FrameLoader()
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{
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}
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void FrameLoader::stopLoading()
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{
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if (!m_frame->document() || !m_frame->document()->parsing())
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return;
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finishedParsing();
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m_frame->document()->setParsing(false);
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}
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bool FrameLoader::closeURL()
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{
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// Should only send the pagehide event here if the current document exists.
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if (m_frame->document())
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m_frame->document()->dispatchUnloadEvents();
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stopLoading();
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return true;
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}
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void FrameLoader::clear()
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{
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m_frame->document()->cancelParsing();
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m_frame->document()->prepareForDestruction();
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if (m_frame->view())
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m_frame->view()->clear();
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}
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void FrameLoader::finishedParsing()
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{
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// This can be called from the LocalFrame's destructor, in which case we shouldn't protect ourselves
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// because doing so will cause us to re-enter the destructor when protector goes out of scope.
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// Null-checking the FrameView indicates whether or not we're in the destructor.
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RefPtr<LocalFrame> protector = m_frame->view() ? m_frame : 0;
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m_frame->document()->checkCompleted();
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}
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void FrameLoader::reportLocalLoadFailed(LocalFrame* frame, const String& url)
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{
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// FIXME(sky): Move this to Frame?
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ASSERT(!url.isEmpty());
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if (!frame)
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return;
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}
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void FrameLoader::stopAllLoaders()
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{
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if (m_frame->document()->pageDismissalEventBeingDispatched() != Document::NoDismissal)
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return;
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// If this method is called from within this method, infinite recursion can occur (3442218). Avoid this.
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if (m_inStopAllLoaders)
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return;
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// Calling stopLoading() on the provisional document loader can blow away
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// the frame from underneath.
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RefPtr<LocalFrame> protect(m_frame);
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m_inStopAllLoaders = true;
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// Attempt to stop the frame if the document loader is loading, or if it is done loading but
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// still parsing. Failure to do so can cause a world leak.
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if (m_frame->document()->parsing())
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stopLoading();
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m_inStopAllLoaders = false;
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}
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} // namespace blink
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