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Diffstat (limited to '')
| -rw-r--r-- | widget/nsBaseScreen.h | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/widget/nsBaseScreen.h b/widget/nsBaseScreen.h new file mode 100644 index 0000000000..3158894754 --- /dev/null +++ b/widget/nsBaseScreen.h @@ -0,0 +1,41 @@ +/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- + * vim: sw=2 ts=8 et : + */ +/* This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ + +#ifndef nsBaseScreen_h +#define nsBaseScreen_h + +#include "mozilla/Attributes.h" +#include "nsIScreen.h" + +class nsBaseScreen : public nsIScreen { + public: + nsBaseScreen(); + + NS_DECL_ISUPPORTS + + // nsIScreen interface + + // These simply forward to the device-pixel versions; + // implementations where desktop pixels may not correspond + // to per-screen device pixels must override. + NS_IMETHOD GetRectDisplayPix(int32_t* outLeft, int32_t* outTop, + int32_t* outWidth, int32_t* outHeight) override; + NS_IMETHOD GetAvailRectDisplayPix(int32_t* outLeft, int32_t* outTop, + int32_t* outWidth, + int32_t* outHeight) override; + + NS_IMETHOD GetContentsScaleFactor(double* aContentsScaleFactor) override; + + NS_IMETHOD GetDefaultCSSScaleFactor(double* aScaleFactor) override; + + NS_IMETHOD GetDpi(float* aDPI) override; + + protected: + virtual ~nsBaseScreen(); +}; + +#endif // nsBaseScreen_h |