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author | Steve Block <steveblock@google.com> | 2011-05-06 11:45:16 +0100 |
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committer | Steve Block <steveblock@google.com> | 2011-05-12 13:44:10 +0100 |
commit | cad810f21b803229eb11403f9209855525a25d57 (patch) | |
tree | 29a6fd0279be608e0fe9ffe9841f722f0f4e4269 /Source/WebCore/loader/FrameLoaderStateMachine.h | |
parent | 121b0cf4517156d0ac5111caf9830c51b69bae8f (diff) | |
download | external_webkit-cad810f21b803229eb11403f9209855525a25d57.zip external_webkit-cad810f21b803229eb11403f9209855525a25d57.tar.gz external_webkit-cad810f21b803229eb11403f9209855525a25d57.tar.bz2 |
Merge WebKit at r75315: Initial merge by git.
Change-Id: I570314b346ce101c935ed22a626b48c2af266b84
Diffstat (limited to 'Source/WebCore/loader/FrameLoaderStateMachine.h')
-rw-r--r-- | Source/WebCore/loader/FrameLoaderStateMachine.h | 67 |
1 files changed, 67 insertions, 0 deletions
diff --git a/Source/WebCore/loader/FrameLoaderStateMachine.h b/Source/WebCore/loader/FrameLoaderStateMachine.h new file mode 100644 index 0000000..c3408c2 --- /dev/null +++ b/Source/WebCore/loader/FrameLoaderStateMachine.h @@ -0,0 +1,67 @@ +/* + * Copyright (C) 2010 Google 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. + * 3. Neither the name of Google, Inc. nor the names of + * its contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "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 OR ITS 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. + */ + +#ifndef FrameLoaderStateMachine_h +#define FrameLoaderStateMachine_h + +#include <wtf/Noncopyable.h> + +namespace WebCore { + +// Encapsulates a state machine for FrameLoader. Note that this is different from FrameState, +// which stores the state of the current load that FrameLoader is executing. +class FrameLoaderStateMachine : public Noncopyable { +public: + FrameLoaderStateMachine(); + + // Once a load has been committed, the state may + // alternate between CommittedFirstRealLoad and FirstLayoutDone. + // Otherwise, the states only go down the list. + enum State { + Uninitialized, + CreatingInitialEmptyDocument, + DisplayingInitialEmptyDocument, + DisplayingInitialEmptyDocumentPostCommit, + CommittedFirstRealLoad, + FirstLayoutDone + }; + + bool committingFirstRealLoad() const; + bool committedFirstRealDocumentLoad() const; + bool creatingInitialEmptyDocument() const; + bool isDisplayingInitialEmptyDocument() const; + bool firstLayoutDone() const; + void advanceTo(State); + +private: + State m_state; +}; + +} // namespace WebCore + +#endif // FrameLoaderStateMachine_h |