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138 lines
4.5 KiB
Objective-C
138 lines
4.5 KiB
Objective-C
// vim:set ts=2 sts=2 sw=2 et cin:
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// Copyright (c) 2006-2008 The Chromium Authors. All rights reserved.
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//
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions are
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// met:
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//
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// * Redistributions of source code must retain the above copyright
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// notice, this list of conditions and the following disclaimer.
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// * Redistributions in binary form must reproduce the above
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// copyright notice, this list of conditions and the following disclaimer
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// in the documentation and/or other materials provided with the
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// distribution.
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// * Neither the name of Google Inc. nor the names of its
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// contributors may be used to endorse or promote products derived from
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// this software without specific prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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#ifndef DOM_PLUGINS_IPC_PLUGININTERPOSEOSX_H
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#define DOM_PLUGINS_IPC_PLUGININTERPOSEOSX_H
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#include "base/basictypes.h"
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#include "nsPoint.h"
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#include "npapi.h"
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// Make this includable from non-Objective-C code.
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#ifndef __OBJC__
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class NSCursor;
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#else
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#import <Cocoa/Cocoa.h>
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#endif
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// The header file QuickdrawAPI.h is missing on OS X 10.7 and up (though the
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// QuickDraw APIs defined in it are still present) -- so we need to supply the
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// relevant parts of its contents here. It's likely that Apple will eventually
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// remove the APIs themselves (probably in OS X 10.8), so we need to make them
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// weak imports, and test for their presence before using them.
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#if (0) // !defined(__QUICKDRAWAPI__) // it's definitely defined in 10.4!
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typedef short Bits16[16];
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struct Cursor {
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Bits16 data;
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Bits16 mask;
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Point hotSpot;
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};
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typedef struct Cursor Cursor;
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#endif /* __QUICKDRAWAPI__ */
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namespace mac_plugin_interposing {
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// Class used to serialize NSCursor objects over IPC between processes.
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class NSCursorInfo {
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public:
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enum Type {
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TypeCustom,
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TypeArrow,
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TypeClosedHand,
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TypeContextualMenu, // Only supported on OS X 10.6 and up
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TypeCrosshair,
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TypeDisappearingItem,
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TypeDragCopy, // Only supported on OS X 10.6 and up
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TypeDragLink, // Only supported on OS X 10.6 and up
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TypeIBeam,
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TypeNotAllowed, // Only supported on OS X 10.6 and up
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TypeOpenHand,
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TypePointingHand,
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TypeResizeDown,
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TypeResizeLeft,
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TypeResizeLeftRight,
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TypeResizeRight,
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TypeResizeUp,
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TypeResizeUpDown,
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TypeTransparent // Special type
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};
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NSCursorInfo();
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explicit NSCursorInfo(NSCursor* aCursor);
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explicit NSCursorInfo(const Cursor* aCursor);
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~NSCursorInfo();
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NSCursor* GetNSCursor() const;
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Type GetType() const;
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const char* GetTypeName() const;
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nsPoint GetHotSpot() const;
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uint8_t* GetCustomImageData() const;
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uint32_t GetCustomImageDataLength() const;
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void SetType(Type aType);
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void SetHotSpot(nsPoint aHotSpot);
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void SetCustomImageData(uint8_t* aData, uint32_t aDataLength);
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static bool GetNativeCursorsSupported();
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private:
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NSCursor* GetTransparentCursor() const;
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Type mType;
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// The hot spot's coordinate system is the cursor's coordinate system, and
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// has an upper-left origin (in both Cocoa and pre-Cocoa systems).
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nsPoint mHotSpot;
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uint8_t* mCustomImageData;
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uint32_t mCustomImageDataLength;
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static int32_t mNativeCursorsSupported;
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};
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namespace parent {
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void OnPluginShowWindow(uint32_t window_id, CGRect window_bounds, bool modal);
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void OnPluginHideWindow(uint32_t window_id, pid_t aPluginPid);
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void OnSetCursor(const NSCursorInfo& cursorInfo);
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void OnShowCursor(bool show);
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void OnPushCursor(const NSCursorInfo& cursorInfo);
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void OnPopCursor();
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} // namespace parent
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namespace child {
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void SetUpCocoaInterposing();
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} // namespace child
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} // namespace mac_plugin_interposing
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#endif /* DOM_PLUGINS_IPC_PLUGININTERPOSEOSX_H */
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