1/*
2 * Copyright 2009, The Android Open Source Project
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
6 * are met:
7 *  * Redistributions of source code must retain the above copyright
8 *    notice, this list of conditions and the following disclaimer.
9 *  * Redistributions in binary form must reproduce the above copyright
10 *    notice, this list of conditions and the following disclaimer in the
11 *    documentation and/or other materials provided with the distribution.
12 *
13 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ``AS IS'' AND ANY
14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
16 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR
17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
18 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
20 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
24 */
25
26#include <config.h>
27#include <ResourceLoaderAndroid.h>
28
29#include "Frame.h"
30#include "FrameLoaderClientAndroid.h"
31#include "WebCoreFrameBridge.h"
32#include "WebCoreResourceLoader.h"
33#include "WebUrlLoader.h"
34#include "WebViewCore.h"
35
36using namespace android;
37
38namespace WebCore {
39
40PassRefPtr<ResourceLoaderAndroid> ResourceLoaderAndroid::start(
41        ResourceHandle* handle, const ResourceRequest& request, FrameLoaderClient* client, bool isMainResource, bool isSync)
42{
43    // Called on main thread
44    FrameLoaderClientAndroid* clientAndroid = static_cast<FrameLoaderClientAndroid*>(client);
45#if USE(CHROME_NETWORK_STACK)
46    WebViewCore* webViewCore = WebViewCore::getWebViewCore(clientAndroid->getFrame()->view());
47    bool isMainFrame = !(clientAndroid->getFrame()->tree() && clientAndroid->getFrame()->tree()->parent());
48    return WebUrlLoader::start(client, handle, request, isMainResource, isMainFrame, isSync, webViewCore->webRequestContext());
49#else
50    return clientAndroid->webFrame()->startLoadingResource(handle, request, isMainResource, isSync);
51#endif
52}
53
54bool ResourceLoaderAndroid::willLoadFromCache(const WebCore::KURL& url, int64_t identifier)
55{
56#if USE(CHROME_NETWORK_STACK)
57    // This method is used to determine if a POST request can be repeated from
58    // cache, but you cannot really know until you actually try to read from the
59    // cache.  Even if we checked now, something else could come along and wipe
60    // out the cache entry by the time we fetch it.
61    //
62    // So, we always say yes here, to prevent the FrameLoader from initiating a
63    // reload.  Then in FrameLoaderClientImpl::dispatchWillSendRequest, we
64    // fix-up the cache policy of the request to force a load from the cache.
65    return true;
66#else
67    return WebCoreResourceLoader::willLoadFromCache(url, identifier);
68#endif
69}
70
71}
72