| OLD | NEW |
|---|
| (Empty) |
| 1 // Copyright (c) 2010 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 #ifndef CHROME_FRAME_URLMON_MONIKER_BASE_H_ | |
| 6 #define CHROME_FRAME_URLMON_MONIKER_BASE_H_ | |
| 7 | |
| 8 #include <atlbase.h> | |
| 9 #include <atlcom.h> | |
| 10 | |
| 11 // An implementation of IStream (minus IUnknown) that delegates to | |
| 12 // another source. Most of the methods contain a NOTREACHED() as the | |
| 13 // class is used by the ReadStreamCache class where we don't expect those | |
| 14 // calls under normal circumstances. | |
| 15 class DelegatingReadStream : public IStream { | |
| 16 public: | |
| 17 DelegatingReadStream() { | |
| 18 } | |
| 19 | |
| 20 ~DelegatingReadStream() { | |
| 21 } | |
| 22 | |
| 23 void SetDelegate(IStream* delegate) { | |
| 24 delegate_ = delegate; | |
| 25 } | |
| 26 | |
| 27 // ISequentialStream. | |
| 28 STDMETHOD(Read)(void* pv, ULONG cb, ULONG* read) { | |
| 29 return delegate_->Read(pv, cb, read); | |
| 30 } | |
| 31 | |
| 32 STDMETHOD(Write)(const void* pv, ULONG cb, ULONG* written) { | |
| 33 NOTREACHED(); | |
| 34 return delegate_->Write(pv, cb, written); | |
| 35 } | |
| 36 | |
| 37 // IStream. | |
| 38 STDMETHOD(Seek)(LARGE_INTEGER move, DWORD origin, ULARGE_INTEGER* new_pos) { | |
| 39 NOTREACHED(); | |
| 40 return delegate_->Seek(move, origin, new_pos); | |
| 41 } | |
| 42 | |
| 43 STDMETHOD(SetSize)(ULARGE_INTEGER new_size) { | |
| 44 NOTREACHED(); | |
| 45 return delegate_->SetSize(new_size); | |
| 46 } | |
| 47 | |
| 48 STDMETHOD(CopyTo)(IStream* stream, ULARGE_INTEGER cb, ULARGE_INTEGER* read, | |
| 49 ULARGE_INTEGER* written) { | |
| 50 NOTREACHED(); | |
| 51 return delegate_->CopyTo(stream, cb, read, written); | |
| 52 } | |
| 53 | |
| 54 STDMETHOD(Commit)(DWORD commit_flags) { | |
| 55 NOTREACHED(); | |
| 56 return delegate_->Commit(commit_flags); | |
| 57 } | |
| 58 | |
| 59 STDMETHOD(Revert)() { | |
| 60 NOTREACHED(); | |
| 61 return delegate_->Revert(); | |
| 62 } | |
| 63 | |
| 64 STDMETHOD(LockRegion)(ULARGE_INTEGER offset, ULARGE_INTEGER cb, | |
| 65 DWORD lock_type) { | |
| 66 NOTREACHED(); | |
| 67 return delegate_->LockRegion(offset, cb, lock_type); | |
| 68 } | |
| 69 | |
| 70 STDMETHOD(UnlockRegion)(ULARGE_INTEGER offset, ULARGE_INTEGER cb, | |
| 71 DWORD lock_type) { | |
| 72 NOTREACHED(); | |
| 73 return delegate_->UnlockRegion(offset, cb, lock_type); | |
| 74 } | |
| 75 | |
| 76 STDMETHOD(Stat)(STATSTG* stat_stg, DWORD stat_flag) { | |
| 77 DCHECK(delegate_); | |
| 78 return delegate_->Stat(stat_stg, stat_flag); | |
| 79 } | |
| 80 | |
| 81 STDMETHOD(Clone)(IStream** stream) { | |
| 82 NOTREACHED(); | |
| 83 return delegate_->Clone(stream); | |
| 84 } | |
| 85 | |
| 86 protected: | |
| 87 ScopedComPtr<IStream> delegate_; | |
| 88 }; | |
| 89 | |
| 90 // A very basic implementation of IBinding that forwards all calls | |
| 91 // to a delegate. | |
| 92 class DelegatingBinding : public IBinding { | |
| 93 public: | |
| 94 DelegatingBinding() { | |
| 95 } | |
| 96 | |
| 97 ~DelegatingBinding() { | |
| 98 } | |
| 99 | |
| 100 IBinding* delegate() const { | |
| 101 return delegate_; | |
| 102 } | |
| 103 | |
| 104 void SetDelegate(IBinding* delegate) { | |
| 105 delegate_ = delegate; | |
| 106 } | |
| 107 | |
| 108 STDMETHOD(Abort)() { | |
| 109 DCHECK(delegate_); | |
| 110 if (!delegate_) | |
| 111 return S_OK; | |
| 112 return delegate_->Abort(); | |
| 113 } | |
| 114 | |
| 115 STDMETHOD(Suspend)() { | |
| 116 DCHECK(delegate_); | |
| 117 if (!delegate_) | |
| 118 return E_FAIL; | |
| 119 return delegate_->Suspend(); | |
| 120 } | |
| 121 | |
| 122 STDMETHOD(Resume)() { | |
| 123 DCHECK(delegate_); | |
| 124 if (!delegate_) | |
| 125 return E_FAIL; | |
| 126 return delegate_->Resume(); | |
| 127 } | |
| 128 | |
| 129 STDMETHOD(SetPriority)(LONG priority) { | |
| 130 DCHECK(delegate_); | |
| 131 if (!delegate_) | |
| 132 return E_FAIL; | |
| 133 return delegate_->SetPriority(priority); | |
| 134 } | |
| 135 | |
| 136 STDMETHOD(GetPriority)(LONG* priority) { | |
| 137 DCHECK(delegate_); | |
| 138 if (!delegate_) | |
| 139 return E_FAIL; | |
| 140 return delegate_->GetPriority(priority); | |
| 141 } | |
| 142 | |
| 143 STDMETHOD(GetBindResult)(CLSID* protocol, DWORD* result_code, | |
| 144 LPOLESTR* result, DWORD* reserved) { | |
| 145 DCHECK(delegate_); | |
| 146 if (!delegate_) | |
| 147 return E_FAIL; | |
| 148 return delegate_->GetBindResult(protocol, result_code, result, reserved); | |
| 149 } | |
| 150 | |
| 151 protected: | |
| 152 ScopedComPtr<IBinding> delegate_; | |
| 153 }; | |
| 154 | |
| 155 #endif // CHROME_FRAME_URLMON_MONIKER_BASE_H_ | |
| 156 | |
| OLD | NEW |
|---|
Chromium Code Reviews
Issue 1589013:
Switch renderer in Moniker patch... (Closed)
Base URL: svn://svn.chromium.org/chrome/trunk/src/