content/plugin/plugin_interpose_util_mac.h

// Copyright (c) 2012 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef CONTENT_PLUGIN_PLUGIN_INTERPOSE_UTIL_MAC_H_
#define CONTENT_PLUGIN_PLUGIN_INTERPOSE_UTIL_MAC_H_

#include <Carbon/Carbon.h>

#import "base/basictypes.h"

typedef struct Cursor Cursor;

// This is really a WebPluginDelegateImpl, but that class is private to the
// framework, and these functions are called from a dylib.
typedef void* OpaquePluginRef;

namespace mac_plugin_interposing {

// Swizzles methods we need to watch in order to manage process and window
// focus correctly.
void SetUpCocoaInterposing();

// Brings the plugin process to the front so that the user can see its windows.
void SwitchToPluginProcess();

// Returns the delegate currently processing events.
OpaquePluginRef GetActiveDelegate();

// Sends a message to the browser process to inform it that the given window
// has been brought forward.
void NotifyBrowserOfPluginSelectWindow(uint32 window_id, CGRect bounds,
                                       bool modal);

// Sends a message to the browser process to inform it that the given window
// has been shown.
void NotifyBrowserOfPluginShowWindow(uint32 window_id, CGRect bounds,
                                     bool modal);

// Sends a message to the browser process to inform it that the given window
// has been hidden, and switches focus back to the browser process if there are
// no remaining plugin windows.
void NotifyBrowserOfPluginHideWindow(uint32 window_id, CGRect bounds);

// Sends a message to the plugin that a theme cursor was set.
void NotifyPluginOfSetThemeCursor(OpaquePluginRef delegate,
                                  ThemeCursor cursor);

// Sends a message to the plugin that a cursor was set.
void NotifyPluginOfSetCursor(OpaquePluginRef delegate,
                             const Cursor* cursor);

// Returns true if the window containing the given plugin delegate is focused.
bool GetPluginWindowHasFocus(const OpaquePluginRef delegate);

}  // namespace MacPluginInterpose

#endif  // CONTENT_PLUGIN_PLUGIN_INTERPOSE_UTIL_MAC_H_