chrome_frame/chrome_protocol.cc

   1 // Copyright (c) 2009 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 // Implementation of ChromeProtocol
   6 #include "chrome_frame/chrome_protocol.h"
   7
   8 #include "base/logging.h"
   9 #include "chrome_frame/utils.h"
  10
  11 // ChromeProtocol
  12
  13 // Starts the class associated with the asynchronous pluggable protocol.
  14 STDMETHODIMP ChromeProtocol::Start(LPCWSTR url,
  15                                    IInternetProtocolSink* prot_sink,
  16                                    IInternetBindInfo* bind_info,
  17                                    DWORD flags,
  18                                    DWORD reserved) {
  19   DVLOG(1) << __FUNCTION__ << ": URL = " << url;
  20   prot_sink->ReportProgress(BINDSTATUS_VERIFIEDMIMETYPEAVAILABLE,
  21                             kChromeMimeType);
  22   prot_sink->ReportData(
  23       BSCF_FIRSTDATANOTIFICATION | BSCF_LASTDATANOTIFICATION |
  24       BSCF_DATAFULLYAVAILABLE,
  25       0,
  26       0);
  27   return S_OK;
  28 }
  29
  30 // Allows the pluggable protocol handler to continue processing data on the
  31 // apartment (or user interface) thread. This method is called in response
  32 // to a call to IInternetProtocolSink::Switch.
  33 STDMETHODIMP ChromeProtocol::Continue(PROTOCOLDATA* protocol_data) {
  34   DVLOG(1) << __FUNCTION__;
  35   return S_OK;
  36 }
  37
  38 // Aborts an operation in progress.
  39 STDMETHODIMP ChromeProtocol::Abort(HRESULT reason, DWORD options) {
  40   DVLOG(1) << __FUNCTION__;
  41   return S_OK;
  42 }
  43
  44 STDMETHODIMP ChromeProtocol::Terminate(DWORD options) {
  45   DVLOG(1) << __FUNCTION__;
  46   return S_OK;
  47 }
  48
  49 STDMETHODIMP ChromeProtocol::Suspend() {
  50   return E_NOTIMPL;
  51 }
  52 STDMETHODIMP ChromeProtocol::Resume() {
  53   return E_NOTIMPL;
  54 }
  55
  56 // Reads data retrieved by the pluggable protocol handler.
  57 STDMETHODIMP ChromeProtocol::Read(void* buffer,
  58                                   ULONG buffer_size_in_bytes,
  59                                   ULONG* bytes_read) {
  60   DVLOG(1) << __FUNCTION__;
  61   return S_FALSE;
  62 }
  63
  64 // Moves the current seek offset.
  65 STDMETHODIMP ChromeProtocol::Seek(LARGE_INTEGER move_by,
  66                               DWORD origin,
  67                               ULARGE_INTEGER* new_position) {
  68   DVLOG(1) << __FUNCTION__;
  69   return E_NOTIMPL;
  70 }
  71
  72 // Locks the request so that IInternetProtocolRoot::Terminate ()
  73 // can be called and the remaining data can be read.
  74 STDMETHODIMP ChromeProtocol::LockRequest(DWORD options) {
  75   DVLOG(1) << __FUNCTION__;
  76   return S_OK;
  77 }
  78
  79 // Frees any resources associated with a lock. Called only if
  80 // IInternetProtocol::LockRequest () was called.
  81 STDMETHODIMP ChromeProtocol::UnlockRequest() {
  82   DVLOG(1) << __FUNCTION__;
  83   return S_OK;
  84 }