refactor base_paths so that windows-specific paths are pulled out into their own file. Note that some of the same path key names will exist in other platform-specific files. For example, base_paths_mac.mm will have FILE_EXE and DIR_APP_DATA (among others).

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@389 0039d316-1c4b-4281-b951-d872f2087c98

1 files changed, 131 insertions, 0 deletions

diff --git a/base/base_paths_win.cc b/base/base_paths_win.cc
new file mode 100644
index 0000000..9afd875
--- /dev/null
+++ b/base/base_paths_win.cc
@@ -0,0 +1,131 @@
+// Copyright 2008, Google Inc.
+// All rights reserved.
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+//    * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+//    * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following disclaimer
+// in the documentation and/or other materials provided with the
+// distribution.
+//    * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived from
+// this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+#include "base/base_paths_win.h"
+
+#include <shlobj.h>
+
+#include "base/file_util.h"
+#include "base/path_service.h"
+
+// This is here for the sole purpose of looking up the corresponding HMODULE.
+static int handle_lookup = 0;
+
+namespace base {
+
+bool PathProviderWin(int key, std::wstring* result) {
+
+  // We need to go compute the value. It would be nice to support paths with
+  // names longer than MAX_PATH, but the system functions don't seem to be
+  // designed for it either, with the exception of GetTempPath (but other
+  // things will surely break if the temp path is too long, so we don't bother
+  // handling it.
+  wchar_t system_buffer[MAX_PATH];
+  system_buffer[0] = 0;
+
+  std::wstring cur;
+  switch (key) {
+    case base::FILE_EXE:
+      GetModuleFileName(NULL, system_buffer, MAX_PATH);
+      cur = system_buffer;
+      break;
+    case base::FILE_MODULE: {
+      // the resource containing module is assumed to be the one that
+      // this code lives in, whether that's a dll or exe
+      MEMORY_BASIC_INFORMATION info = { 0 };
+      VirtualQuery(reinterpret_cast<void*>(&handle_lookup),
+                   &info, sizeof(info));
+      // Module handles are just the allocation base address of the module.
+      HMODULE this_module = reinterpret_cast<HMODULE>(info.AllocationBase);
+      GetModuleFileName(this_module, system_buffer, MAX_PATH);
+      cur = system_buffer;
+      break;
+    }
+    case base::DIR_WINDOWS:
+      GetWindowsDirectory(system_buffer, MAX_PATH);
+      cur = system_buffer;
+      break;
+    case base::DIR_SYSTEM:
+      GetSystemDirectory(system_buffer, MAX_PATH);
+      cur = system_buffer;
+      break;
+    case base::DIR_PROGRAM_FILES:
+      if (FAILED(SHGetFolderPath(NULL, CSIDL_PROGRAM_FILES, NULL,
+                                 SHGFP_TYPE_CURRENT, system_buffer)))
+        return false;
+      cur = system_buffer;
+      break;
+    case base::DIR_IE_INTERNET_CACHE:
+      if (FAILED(SHGetFolderPath(NULL, CSIDL_INTERNET_CACHE, NULL,
+                                 SHGFP_TYPE_CURRENT, system_buffer)))
+        return false;
+      cur = system_buffer;
+      break;
+    case base::DIR_COMMON_START_MENU:
+      if (FAILED(SHGetFolderPath(NULL, CSIDL_COMMON_PROGRAMS, NULL,
+                                 SHGFP_TYPE_CURRENT, system_buffer)))
+        return false;
+      cur = system_buffer;
+      break;
+    case base::DIR_START_MENU:
+      if (FAILED(SHGetFolderPath(NULL, CSIDL_PROGRAMS, NULL,
+                                 SHGFP_TYPE_CURRENT, system_buffer)))
+        return false;
+      cur = system_buffer;
+      break;
+    case base::DIR_APP_DATA:
+      if (FAILED(SHGetFolderPath(NULL, CSIDL_APPDATA, NULL, SHGFP_TYPE_CURRENT,
+                                 system_buffer)))
+        return false;
+      cur = system_buffer;
+      break;
+    case base::DIR_LOCAL_APP_DATA_LOW:
+      // TODO(nsylvain): We should use SHGetKnownFolderPath instead. Bug 1281128
+      if (FAILED(SHGetFolderPath(NULL, CSIDL_APPDATA, NULL, SHGFP_TYPE_CURRENT,
+                                 system_buffer)))
+        return false;
+      cur = system_buffer;
+      file_util::UpOneDirectory(&cur);
+      file_util::AppendToPath(&cur, L"LocalLow");
+      break;
+    case base::DIR_LOCAL_APP_DATA:
+      if (FAILED(SHGetFolderPath(NULL, CSIDL_LOCAL_APPDATA, NULL,
+                                 SHGFP_TYPE_CURRENT, system_buffer)))
+        return false;
+      cur = system_buffer;
+      break;
+    default:
+      return false;
+  }
+
+  result->swap(cur);
+  return true;
+}
+
+}  // namespace base