gecko-dev/widget/android/nsAndroidProtocolHandler.cpp

175 строки
4.9 KiB
C++

/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/* vim:set ts=4 sw=4 sts=4 et cin: */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#include "nsAndroidProtocolHandler.h"
#include "nsCOMPtr.h"
#include "nsIChannel.h"
#include "nsIIOService.h"
#include "nsNetUtil.h"
#include "android/log.h"
#include "nsBaseChannel.h"
#include "AndroidBridge.h"
#include "GeneratedJNIWrappers.h"
using namespace mozilla;
using namespace mozilla::widget::android;
class AndroidInputStream : public nsIInputStream
{
public:
AndroidInputStream(jobject connection) {
JNIEnv *env = GetJNIForThread();
mBridgeInputStream = env->NewGlobalRef(GeckoAppShell::CreateInputStream(connection));
mBridgeChannel = env->NewGlobalRef(AndroidBridge::ChannelCreate(mBridgeInputStream));
}
private:
virtual ~AndroidInputStream() {
JNIEnv *env = GetJNIForThread();
env->DeleteGlobalRef(mBridgeInputStream);
env->DeleteGlobalRef(mBridgeChannel);
}
public:
NS_DECL_THREADSAFE_ISUPPORTS
NS_DECL_NSIINPUTSTREAM
private:
jobject mBridgeInputStream;
jobject mBridgeChannel;
};
NS_IMPL_ISUPPORTS(AndroidInputStream, nsIInputStream)
NS_IMETHODIMP AndroidInputStream::Close(void) {
mozilla::AndroidBridge::InputStreamClose(mBridgeInputStream);
return NS_OK;
}
NS_IMETHODIMP AndroidInputStream::Available(uint64_t *_retval) {
*_retval = mozilla::AndroidBridge::InputStreamAvailable(mBridgeInputStream);
return NS_OK;
}
NS_IMETHODIMP AndroidInputStream::Read(char *aBuf, uint32_t aCount, uint32_t *_retval) {
return mozilla::AndroidBridge::InputStreamRead(mBridgeChannel, aBuf, aCount, _retval);
}
NS_IMETHODIMP AndroidInputStream::ReadSegments(nsWriteSegmentFun aWriter, void *aClosure, uint32_t aCount, uint32_t *_retval) {
return NS_ERROR_NOT_IMPLEMENTED;
}
NS_IMETHODIMP AndroidInputStream::IsNonBlocking(bool *_retval) {
*_retval = false;
return NS_OK;
}
class AndroidChannel : public nsBaseChannel
{
private:
AndroidChannel(nsIURI *aURI, jobject aConnection) {
JNIEnv *env = GetJNIForThread();
mConnection = env->NewGlobalRef(aConnection);
mURI = aURI;
nsCString type;
jstring jtype = GeckoAppShell::ConnectionGetMimeType(mConnection);
if (jtype)
SetContentType(nsJNICString(jtype, env));
}
public:
static AndroidChannel* CreateChannel(nsIURI *aURI) {
nsCString spec;
aURI->GetSpec(spec);
jobject connection = GeckoAppShell::GetConnection(spec);
if (!connection)
return NULL;
return new AndroidChannel(aURI, connection);
}
~AndroidChannel() {
JNIEnv *env = GetJNIForThread();
env->DeleteGlobalRef(mConnection);
}
virtual nsresult OpenContentStream(bool async, nsIInputStream **result,
nsIChannel** channel) {
nsCOMPtr<nsIInputStream> stream = new AndroidInputStream(mConnection);
NS_ADDREF(*result = stream);
return NS_OK;
}
private:
jobject mConnection;
};
NS_IMPL_ISUPPORTS(nsAndroidProtocolHandler,
nsIProtocolHandler,
nsISupportsWeakReference)
NS_IMETHODIMP
nsAndroidProtocolHandler::GetScheme(nsACString &result)
{
result.AssignLiteral("android");
return NS_OK;
}
NS_IMETHODIMP
nsAndroidProtocolHandler::GetDefaultPort(int32_t *result)
{
*result = -1; // no port for android: URLs
return NS_OK;
}
NS_IMETHODIMP
nsAndroidProtocolHandler::AllowPort(int32_t port, const char *scheme, bool *_retval)
{
// don't override anything.
*_retval = false;
return NS_OK;
}
NS_IMETHODIMP
nsAndroidProtocolHandler::GetProtocolFlags(uint32_t *result)
{
*result = URI_STD | URI_IS_UI_RESOURCE | URI_IS_LOCAL_RESOURCE | URI_NORELATIVE | URI_DANGEROUS_TO_LOAD;
return NS_OK;
}
NS_IMETHODIMP
nsAndroidProtocolHandler::NewURI(const nsACString &aSpec,
const char *aCharset,
nsIURI *aBaseURI,
nsIURI **result)
{
nsresult rv;
nsCOMPtr<nsIStandardURL> surl(do_CreateInstance(NS_STANDARDURL_CONTRACTID, &rv));
NS_ENSURE_SUCCESS(rv, rv);
rv = surl->Init(nsIStandardURL::URLTYPE_STANDARD, -1, aSpec, aCharset, aBaseURI);
if (NS_FAILED(rv))
return rv;
nsCOMPtr<nsIURL> url(do_QueryInterface(surl, &rv));
NS_ENSURE_SUCCESS(rv, rv);
surl->SetMutable(false);
NS_ADDREF(*result = url);
return NS_OK;
}
NS_IMETHODIMP
nsAndroidProtocolHandler::NewChannel(nsIURI* aURI,
nsIChannel* *aResult)
{
nsCOMPtr<nsIChannel> channel = AndroidChannel::CreateChannel(aURI);
if (!channel)
return NS_ERROR_FAILURE;
NS_ADDREF(*aResult = channel);
return NS_OK;
}