Move NPAPI implementation out of webkit/plugins/npapi and into content.

webkit/plugins/npapi/plugin_instance_mac.mm

-// Copyright (c) 2010 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.
-
-#import <AppKit/AppKit.h>
-
-#include "base/logging.h"
-#include "build/build_config.h"
-#include "webkit/plugins/npapi/plugin_instance.h"
-
-// When C++ exceptions are disabled, the C++ library defines |try| and
-// |catch| so as to allow exception-expecting C++ code to build properly when
-// language support for exceptions is not present.  These macros interfere
-// with the use of |@try| and |@catch| in Objective-C files such as this one.
-// Undefine these macros here, after everything has been #included, since
-// there will be no C++ uses and only Objective-C uses from this point on.
-#undef try
-#undef catch
-
-namespace webkit {
-namespace npapi {
-
-namespace {
-
-// Returns an autoreleased NSEvent constructed from the given np_event,
-// targeting the given window.
-NSEvent* NSEventForNPCocoaEvent(NPCocoaEvent* np_event, NSWindow* window) {
-  bool mouse_down = 1;
-  switch (np_event->type) {
-    case NPCocoaEventMouseDown:
-      mouse_down = 1;
-      break;
-    case NPCocoaEventMouseUp:
-      mouse_down = 0;
-      break;
-    default:
-      // If plugins start bringing up context menus for things other than
-      // clicks, this will need more plumbing; for now just log it and proceed
-      // as if it were a mouse down.
-      NOTREACHED();
-  }
-  NSEventType event_type = NSLeftMouseDown;
-  switch (np_event->data.mouse.buttonNumber) {
-    case 0:
-      event_type = mouse_down ? NSLeftMouseDown : NSLeftMouseUp;
-      break;
-    case 1:
-      event_type = mouse_down ? NSRightMouseDown : NSRightMouseUp;
-      break;
-    default:
-      event_type = mouse_down ? NSOtherMouseDown : NSOtherMouseUp;
-      break;
-  }
-
-  NSInteger click_count = np_event->data.mouse.clickCount;
-  NSInteger modifiers = np_event->data.mouse.modifierFlags;
-  // NPCocoaEvent doesn't have a timestamp, so just use the current time.
-  NSEvent* event =
-      [NSEvent mouseEventWithType:event_type
-                         location:NSZeroPoint
-                    modifierFlags:modifiers
-                        timestamp:[[NSApp currentEvent] timestamp]
-                     windowNumber:[window windowNumber]
-                          context:[NSGraphicsContext currentContext]
-                      eventNumber:0
-                       clickCount:click_count
-                         pressure:1.0];
-  return event;
-}
-
-}  // namespace
-
-NPError PluginInstance::PopUpContextMenu(NPMenu* menu) {
-  if (!currently_handled_event_)
-    return NPERR_GENERIC_ERROR;
-
-  CGRect main_display_bounds = CGDisplayBounds(CGMainDisplayID());
-  NSPoint screen_point = NSMakePoint(
-      plugin_origin_.x() + currently_handled_event_->data.mouse.pluginX,
-      plugin_origin_.y() + currently_handled_event_->data.mouse.pluginY);
-  // Plugin offsets are upper-left based, so flip vertically for Cocoa.
-  screen_point.y = main_display_bounds.size.height - screen_point.y;
-
-  NSMenu* nsmenu = reinterpret_cast<NSMenu*>(menu);
-  NPError return_val = NPERR_NO_ERROR;
-  @try {
-    [nsmenu popUpMenuPositioningItem:nil atLocation:screen_point inView:nil];
-  }
-  @catch (NSException* e) {
-    NSLog(@"Caught exception while handling PopUpContextMenu: %@", e);
-    return_val = NPERR_GENERIC_ERROR;
-  }
-
-  return return_val;
-}
-
-ScopedCurrentPluginEvent::ScopedCurrentPluginEvent(PluginInstance* instance,
-                                                   NPCocoaEvent* event)
-    : instance_(instance) {
-  instance_->set_currently_handled_event(event);
-}
-
-ScopedCurrentPluginEvent::~ScopedCurrentPluginEvent() {
-  instance_->set_currently_handled_event(NULL);
-}
-
-}  // namespace npapi
-}  // namespace webkit