Move headers in include/utils/win to src/utils/win.

These headers are not intended for external use and are only used in src.

Review-Url: https://codereview.chromium.org/2070983002

4 files changed, 309 insertions, 0 deletions

diff --git a/src/utils/win/SkAutoCoInitialize.h b/src/utils/win/SkAutoCoInitialize.h
new file mode 100644
index 0000000000..f11cf856c5
--- /dev/null
+++ b/src/utils/win/SkAutoCoInitialize.h
@@ -0,0 +1,31 @@
+/*
+ * Copyright 2011 Google Inc.
+ *
+ * Use of this source code is governed by a BSD-style license that can be
+ * found in the LICENSE file.
+ */
+
+#ifndef SkAutoCo_DEFINED
+#define SkAutoCo_DEFINED
+
+#include "SkTypes.h"
+
+#ifdef SK_BUILD_FOR_WIN
+
+#include "SkLeanWindows.h"
+
+/**
+ * An instance of this class initializes COM on creation
+ * and closes the COM library on destruction.
+ */
+class SkAutoCoInitialize : SkNoncopyable {
+private:
+    HRESULT fHR;
+public:
+    SkAutoCoInitialize();
+    ~SkAutoCoInitialize();
+    bool succeeded();
+};
+
+#endif  // SK_BUILD_FOR_WIN
+#endif  // SkAutoCo_DEFINED
diff --git a/src/utils/win/SkHRESULT.h b/src/utils/win/SkHRESULT.h
new file mode 100644
index 0000000000..a9cd8c408b
--- /dev/null
+++ b/src/utils/win/SkHRESULT.h
@@ -0,0 +1,62 @@
+/*
+ * Copyright 2011 Google Inc.
+ *
+ * Use of this source code is governed by a BSD-style license that can be
+ * found in the LICENSE file.
+ */
+
+#ifndef SkHRESULT_DEFINED
+#define SkHRESULT_DEFINED
+
+#include "SkTypes.h"
+#ifdef SK_BUILD_FOR_WIN
+
+#include "SkLeanWindows.h"
+
+void SkTraceHR(const char* file, unsigned long line,
+               HRESULT hr, const char* msg);
+
+#ifdef SK_DEBUG
+#define SK_TRACEHR(_hr, _msg) SkTraceHR(__FILE__, __LINE__, _hr, _msg)
+#else
+#define SK_TRACEHR(_hr, _msg) sk_ignore_unused_variable(_hr)
+#endif
+
+#define HR_GENERAL(_ex, _msg, _ret) {\
+    HRESULT _hr = _ex;\
+    if (FAILED(_hr)) {\
+        SK_TRACEHR(_hr, _msg);\
+        return _ret;\
+    }\
+}
+
+//@{
+/**
+These macros are for reporting HRESULT errors.
+The expression will be evaluated.
+If the resulting HRESULT SUCCEEDED then execution will continue normally.
+If the HRESULT FAILED then the macro will return from the current function.
+In variants ending with 'M' the given message will be traced when FAILED.
+The HR variants will return the HRESULT when FAILED.
+The HRB variants will return false when FAILED.
+The HRN variants will return nullptr when FAILED.
+The HRV variants will simply return when FAILED.
+The HRZ variants will return 0 when FAILED.
+*/
+#define HR(ex) HR_GENERAL(ex, nullptr, _hr)
+#define HRM(ex, msg) HR_GENERAL(ex, msg, _hr)
+
+#define HRB(ex) HR_GENERAL(ex, nullptr, false)
+#define HRBM(ex, msg) HR_GENERAL(ex, msg, false)
+
+#define HRN(ex) HR_GENERAL(ex, nullptr, nullptr)
+#define HRNM(ex, msg) HR_GENERAL(ex, msg, nullptr)
+
+#define HRV(ex) HR_GENERAL(ex, nullptr, )
+#define HRVM(ex, msg) HR_GENERAL(ex, msg, )
+
+#define HRZ(ex) HR_GENERAL(ex, nullptr, 0)
+#define HRZM(ex, msg) HR_GENERAL(ex, msg, 0)
+//@}
+#endif  // SK_BUILD_FOR_WIN
+#endif  // SkHRESULT_DEFINED
diff --git a/src/utils/win/SkIStream.h b/src/utils/win/SkIStream.h
new file mode 100644
index 0000000000..a3315c121d
--- /dev/null
+++ b/src/utils/win/SkIStream.h
@@ -0,0 +1,135 @@
+
+/*
+ * Copyright 2011 Google Inc.
+ *
+ * Use of this source code is governed by a BSD-style license that can be
+ * found in the LICENSE file.
+ */
+
+
+#ifndef SkIStream_DEFINED
+#define SkIStream_DEFINED
+
+#include "SkTypes.h"
+
+#ifdef SK_BUILD_FOR_WIN
+
+#include "SkLeanWindows.h"
+#include <ole2.h>
+
+class SkStream;
+class SkWStream;
+
+/**
+ * A bare IStream implementation which properly reference counts
+ * but returns E_NOTIMPL for all ISequentialStream and IStream methods.
+ */
+class SkBaseIStream : public IStream {
+private:
+    LONG _refcount;
+
+protected:
+    explicit SkBaseIStream();
+    virtual ~SkBaseIStream();
+
+public:
+    virtual HRESULT STDMETHODCALLTYPE QueryInterface(REFIID iid
+                                                   , void ** ppvObject);
+    virtual ULONG STDMETHODCALLTYPE AddRef(void);
+    virtual ULONG STDMETHODCALLTYPE Release(void);
+
+    // ISequentialStream Interface
+public:
+    virtual HRESULT STDMETHODCALLTYPE Read(void* pv, ULONG cb, ULONG* pcbRead);
+
+    virtual HRESULT STDMETHODCALLTYPE Write(void const* pv
+                                          , ULONG cb
+                                          , ULONG* pcbWritten);
+
+    // IStream Interface
+public:
+    virtual HRESULT STDMETHODCALLTYPE SetSize(ULARGE_INTEGER);
+
+    virtual HRESULT STDMETHODCALLTYPE CopyTo(IStream*
+                                           , ULARGE_INTEGER
+                                           , ULARGE_INTEGER*
+                                           , ULARGE_INTEGER*);
+
+    virtual HRESULT STDMETHODCALLTYPE Commit(DWORD);
+
+    virtual HRESULT STDMETHODCALLTYPE Revert(void);
+
+    virtual HRESULT STDMETHODCALLTYPE LockRegion(ULARGE_INTEGER
+                                               , ULARGE_INTEGER
+                                               , DWORD);
+
+    virtual HRESULT STDMETHODCALLTYPE UnlockRegion(ULARGE_INTEGER
+                                                 , ULARGE_INTEGER
+                                                 , DWORD);
+
+    virtual HRESULT STDMETHODCALLTYPE Clone(IStream **);
+
+    virtual HRESULT STDMETHODCALLTYPE Seek(LARGE_INTEGER liDistanceToMove
+                                         , DWORD dwOrigin
+                                         , ULARGE_INTEGER* lpNewFilePointer);
+
+    virtual HRESULT STDMETHODCALLTYPE Stat(STATSTG* pStatstg
+                                         , DWORD grfStatFlag);
+};
+
+/**
+ * A minimal read-only IStream implementation which wraps an SkStream.
+ */
+class SkIStream : public SkBaseIStream {
+private:
+    SkStream *fSkStream;
+    const bool fDeleteOnRelease;
+    ULARGE_INTEGER fLocation;
+
+    SkIStream(SkStream* stream, bool fDeleteOnRelease);
+    virtual ~SkIStream();
+
+public:
+    HRESULT static CreateFromSkStream(SkStream* stream
+                                    , bool fDeleteOnRelease
+                                    , IStream ** ppStream);
+
+    virtual HRESULT STDMETHODCALLTYPE Read(void* pv, ULONG cb, ULONG* pcbRead);
+
+    virtual HRESULT STDMETHODCALLTYPE Write(void const* pv
+                                          , ULONG cb
+                                          , ULONG* pcbWritten);
+
+    virtual HRESULT STDMETHODCALLTYPE Seek(LARGE_INTEGER liDistanceToMove
+                                         , DWORD dwOrigin
+                                         , ULARGE_INTEGER* lpNewFilePointer);
+
+    virtual HRESULT STDMETHODCALLTYPE Stat(STATSTG* pStatstg
+                                         , DWORD grfStatFlag);
+};
+
+/**
+ * A minimal write-only IStream implementation which wraps an SkWIStream.
+ */
+class SkWIStream : public SkBaseIStream {
+private:
+    SkWStream *fSkWStream;
+
+    SkWIStream(SkWStream* stream);
+    virtual ~SkWIStream();
+
+public:
+    HRESULT static CreateFromSkWStream(SkWStream* stream, IStream ** ppStream);
+
+    virtual HRESULT STDMETHODCALLTYPE Write(void const* pv
+                                          , ULONG cb
+                                          , ULONG* pcbWritten);
+
+    virtual HRESULT STDMETHODCALLTYPE Commit(DWORD);
+
+    virtual HRESULT STDMETHODCALLTYPE Stat(STATSTG* pStatstg
+                                         , DWORD grfStatFlag);
+};
+
+#endif  // SK_BUILD_FOR_WIN
+#endif  // SkIStream_DEFINED
diff --git a/src/utils/win/SkTScopedComPtr.h b/src/utils/win/SkTScopedComPtr.h
new file mode 100644
index 0000000000..5410f5c992
--- /dev/null
+++ b/src/utils/win/SkTScopedComPtr.h
@@ -0,0 +1,81 @@
+/*
+ * Copyright 2011 Google Inc.
+ *
+ * Use of this source code is governed by a BSD-style license that can be
+ * found in the LICENSE file.
+ */
+
+#ifndef SkTScopedComPtr_DEFINED
+#define SkTScopedComPtr_DEFINED
+
+#include "SkLeanWindows.h"
+
+#ifdef SK_BUILD_FOR_WIN
+
+template<typename T>
+class SkBlockComRef : public T {
+private:
+    virtual ULONG STDMETHODCALLTYPE AddRef(void) = 0;
+    virtual ULONG STDMETHODCALLTYPE Release(void) = 0;
+};
+
+template<typename T> T* SkRefComPtr(T* ptr) {
+    ptr->AddRef();
+    return ptr;
+}
+
+template<typename T> T* SkSafeRefComPtr(T* ptr) {
+    if (ptr) {
+        ptr->AddRef();
+    }
+    return ptr;
+}
+
+template<typename T>
+class SkTScopedComPtr : SkNoncopyable {
+private:
+    T *fPtr;
+
+public:
+    explicit SkTScopedComPtr(T *ptr = nullptr) : fPtr(ptr) { }
+
+    ~SkTScopedComPtr() { this->reset();}
+
+    T &operator*() const { SkASSERT(fPtr != nullptr); return *fPtr; }
+
+    explicit operator bool() const { return fPtr != nullptr; }
+
+    SkBlockComRef<T> *operator->() const { return static_cast<SkBlockComRef<T>*>(fPtr); }
+
+    /**
+     * Returns the address of the underlying pointer.
+     * This is dangerous -- it breaks encapsulation and the reference escapes.
+     * Must only be used on instances currently pointing to NULL,
+     * and only to initialize the instance.
+     */
+    T **operator&() { SkASSERT(fPtr == nullptr); return &fPtr; }
+
+    T *get() const { return fPtr; }
+
+    void reset() {
+        if (this->fPtr) {
+            this->fPtr->Release();
+            this->fPtr = nullptr;
+        }
+    }
+
+    void swap(SkTScopedComPtr<T>& that) {
+        T* temp = this->fPtr;
+        this->fPtr = that.fPtr;
+        that.fPtr = temp;
+    }
+
+    T* release() {
+        T* temp = this->fPtr;
+        this->fPtr = nullptr;
+        return temp;
+    }
+};
+
+#endif  // SK_BUILD_FOR_WIN
+#endif  // SkTScopedComPtr_DEFINED