LCOV - code coverage report
Current view: top level - netwerk/base - SimpleChannel.cpp (source / functions) Hit Total Coverage
Test: output.info Lines: 0 26 0.0 %
Date: 2017-07-14 16:53:18 Functions: 0 6 0.0 %
Legend: Lines: hit not hit

          Line data    Source code
       1             : /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
       2             : /* This Source Code Form is subject to the terms of the Mozilla Public
       3             :  * License, v. 2.0. If a copy of the MPL was not distributed with this
       4             :  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
       5             : 
       6             : #include "nsBaseChannel.h"
       7             : #include "nsIInputStream.h"
       8             : #include "nsIRequest.h"
       9             : #include "SimpleChannel.h"
      10             : 
      11             : namespace mozilla {
      12             : namespace net {
      13             : 
      14             : // Like MOZ_TRY, but returns the unwrapped error value rather than a
      15             : // GenericErrorResult on failure.
      16             : #define TRY_VAR(target, expr) \
      17             :   do { \
      18             :     auto result = (expr); \
      19             :     if (result.isErr()) { \
      20             :       return result.unwrapErr(); \
      21             :     } \
      22             :     (target) = result.unwrap(); \
      23             :   } while (0)
      24             : 
      25             : class SimpleChannel final : public nsBaseChannel
      26             : {
      27             : public:
      28             :   explicit SimpleChannel(UniquePtr<SimpleChannelCallbacks>&& aCallbacks);
      29             : 
      30             : protected:
      31           0 :   virtual ~SimpleChannel() {}
      32             : 
      33             :   virtual nsresult OpenContentStream(bool async, nsIInputStream **streamOut,
      34             :                                      nsIChannel** channel) override;
      35             : 
      36             :   virtual nsresult BeginAsyncRead(nsIStreamListener* listener,
      37             :                                   nsIRequest** request) override;
      38             : 
      39             : private:
      40             :   UniquePtr<SimpleChannelCallbacks> mCallbacks;
      41             : };
      42             : 
      43           0 : SimpleChannel::SimpleChannel(UniquePtr<SimpleChannelCallbacks>&& aCallbacks)
      44           0 :   : mCallbacks(Move(aCallbacks))
      45             : {
      46           0 :   EnableSynthesizedProgressEvents(true);
      47           0 : }
      48             : 
      49             : nsresult
      50           0 : SimpleChannel::OpenContentStream(bool async, nsIInputStream **streamOut, nsIChannel** channel)
      51             : {
      52           0 :   NS_ENSURE_TRUE(mCallbacks, NS_ERROR_UNEXPECTED);
      53             : 
      54           0 :   nsCOMPtr<nsIInputStream> stream;
      55           0 :   TRY_VAR(stream, mCallbacks->OpenContentStream(async, this));
      56           0 :   MOZ_ASSERT(stream);
      57             : 
      58           0 :   mCallbacks = nullptr;
      59             : 
      60           0 :   *channel = nullptr;
      61           0 :   stream.forget(streamOut);
      62           0 :   return NS_OK;
      63             : }
      64             : 
      65             : nsresult
      66           0 : SimpleChannel::BeginAsyncRead(nsIStreamListener* listener, nsIRequest** request)
      67             : {
      68           0 :   NS_ENSURE_TRUE(mCallbacks, NS_ERROR_UNEXPECTED);
      69             : 
      70           0 :   nsCOMPtr<nsIRequest> req;
      71           0 :   TRY_VAR(req, mCallbacks->StartAsyncRead(listener, this));
      72             : 
      73           0 :   mCallbacks = nullptr;
      74             : 
      75           0 :   req.forget(request);
      76           0 :   return NS_OK;
      77             : }
      78             : 
      79             : #undef TRY_VAR
      80             : 
      81             : already_AddRefed<nsIChannel>
      82           0 : NS_NewSimpleChannelInternal(nsIURI* aURI, nsILoadInfo* aLoadInfo, UniquePtr<SimpleChannelCallbacks>&& aCallbacks)
      83             : {
      84           0 :   RefPtr<SimpleChannel> chan = new SimpleChannel(Move(aCallbacks));
      85             : 
      86           0 :   chan->SetURI(aURI);
      87             : 
      88           0 :   MOZ_ALWAYS_SUCCEEDS(chan->SetLoadInfo(aLoadInfo));
      89             : 
      90           0 :   return chan.forget();
      91             : }
      92             : 
      93             : } // namespace net
      94             : } // namespace mozilla

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