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

webkit/plugins/npapi/plugin_web_event_converter_mac.mm

-// 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.
-
-#import <Cocoa/Cocoa.h>
-
-#include "base/logging.h"
-#include "webkit/plugins/npapi/plugin_web_event_converter_mac.h"
-#include "third_party/WebKit/public/web/WebInputEvent.h"
-
-using WebKit::WebInputEvent;
-using WebKit::WebKeyboardEvent;
-using WebKit::WebMouseEvent;
-using WebKit::WebMouseWheelEvent;
-
-namespace webkit {
-namespace npapi {
-
-namespace {
-
-// Returns true if the given key is a modifier key.
-bool KeyIsModifier(int native_key_code) {
-  switch (native_key_code) {
-    case 55:  // Left command
-    case 54:  // Right command
-    case 58:  // Left option
-    case 61:  // Right option
-    case 59:  // Left control
-    case 62:  // Right control
-    case 56:  // Left shift
-    case 60:  // Right shift
-    case 57:  // Caps lock
-      return true;
-    default:
-      return false;
-  }
-}
-
-// Returns true if the caps lock flag should be set for the given event.
-bool CapsLockIsActive(const WebInputEvent& event) {
-  // Only key events have accurate information for the caps lock flag; see
-  // <https://bugs.webkit.org/show_bug.cgi?id=46518>.
-  // For other types, use the live state.
-  if (WebInputEvent::isKeyboardEventType(event.type))
-    return (event.modifiers & WebInputEvent::CapsLockOn) != 0;
-  else
-    return ([[NSApp currentEvent] modifierFlags] & NSAlphaShiftKeyMask) != 0;
-}
-
-}  // namespace
-
-#pragma mark -
-
-PluginWebEventConverter::PluginWebEventConverter() {
-}
-
-PluginWebEventConverter::~PluginWebEventConverter() {
-}
-
-bool PluginWebEventConverter::InitWithEvent(const WebInputEvent& web_event) {
-  memset(&cocoa_event_, 0, sizeof(cocoa_event_));
-  if (web_event.type == WebInputEvent::MouseWheel) {
-    return ConvertMouseWheelEvent(
-        *static_cast<const WebMouseWheelEvent*>(&web_event));
-  } else if (WebInputEvent::isMouseEventType(web_event.type)) {
-    return ConvertMouseEvent(*static_cast<const WebMouseEvent*>(&web_event));
-  } else if (WebInputEvent::isKeyboardEventType(web_event.type)) {
-    return ConvertKeyboardEvent(
-       *static_cast<const WebKeyboardEvent*>(&web_event));
-  }
-  DLOG(WARNING) << "Unknown event type " << web_event.type;
-  return false;
-}
-
-bool PluginWebEventConverter::ConvertKeyboardEvent(
-    const WebKeyboardEvent& key_event) {
-  cocoa_event_.data.key.keyCode = key_event.nativeKeyCode;
-
-  cocoa_event_.data.key.modifierFlags |= CocoaModifiers(key_event);
-
-  // Modifier keys have their own event type, and don't get character or
-  // repeat data.
-  if (KeyIsModifier(key_event.nativeKeyCode)) {
-    cocoa_event_.type = NPCocoaEventFlagsChanged;
-    return true;
-  }
-
-  cocoa_event_.data.key.characters = reinterpret_cast<NPNSString*>(
-      [NSString stringWithFormat:@"%S", key_event.text]);
-  cocoa_event_.data.key.charactersIgnoringModifiers =
-      reinterpret_cast<NPNSString*>(
-          [NSString stringWithFormat:@"%S", key_event.unmodifiedText]);
-
-  if (key_event.modifiers & WebInputEvent::IsAutoRepeat)
-    cocoa_event_.data.key.isARepeat = true;
-
-  switch (key_event.type) {
-    case WebInputEvent::KeyDown:
-      cocoa_event_.type = NPCocoaEventKeyDown;
-      return true;
-    case WebInputEvent::KeyUp:
-      cocoa_event_.type = NPCocoaEventKeyUp;
-      return true;
-    case WebInputEvent::RawKeyDown:
-    case WebInputEvent::Char:
-      // May be used eventually for IME, but currently not needed.
-      return false;
-    default:
-      NOTREACHED();
-      return false;
-  }
-}
-
-bool PluginWebEventConverter::ConvertMouseEvent(
-    const WebMouseEvent& mouse_event) {
-  cocoa_event_.data.mouse.pluginX = mouse_event.x;
-  cocoa_event_.data.mouse.pluginY = mouse_event.y;
-  cocoa_event_.data.mouse.modifierFlags |= CocoaModifiers(mouse_event);
-  cocoa_event_.data.mouse.clickCount = mouse_event.clickCount;
-  switch (mouse_event.button) {
-    case WebMouseEvent::ButtonLeft:
-      cocoa_event_.data.mouse.buttonNumber = 0;
-      break;
-    case WebMouseEvent::ButtonMiddle:
-      cocoa_event_.data.mouse.buttonNumber = 2;
-      break;
-    case WebMouseEvent::ButtonRight:
-      cocoa_event_.data.mouse.buttonNumber = 1;
-      break;
-    default:
-      cocoa_event_.data.mouse.buttonNumber = mouse_event.button;
-      break;
-  }
-  switch (mouse_event.type) {
-    case WebInputEvent::MouseDown:
-      cocoa_event_.type = NPCocoaEventMouseDown;
-      return true;
-    case WebInputEvent::MouseUp:
-      cocoa_event_.type = NPCocoaEventMouseUp;
-      return true;
-    case WebInputEvent::MouseMove: {
-      bool mouse_is_down =
-          (mouse_event.modifiers & WebInputEvent::LeftButtonDown) ||
-          (mouse_event.modifiers & WebInputEvent::RightButtonDown) ||
-          (mouse_event.modifiers & WebInputEvent::MiddleButtonDown);
-      cocoa_event_.type = mouse_is_down ? NPCocoaEventMouseDragged
-                                        : NPCocoaEventMouseMoved;
-      return true;
-    }
-    case WebInputEvent::MouseEnter:
-      cocoa_event_.type = NPCocoaEventMouseEntered;
-      return true;
-    case WebInputEvent::MouseLeave:
-      cocoa_event_.type = NPCocoaEventMouseExited;
-      return true;
-    default:
-      NOTREACHED();
-      return false;
-  }
-}
-
-bool PluginWebEventConverter::ConvertMouseWheelEvent(
-    const WebMouseWheelEvent& wheel_event) {
-  cocoa_event_.type = NPCocoaEventScrollWheel;
-  cocoa_event_.data.mouse.pluginX = wheel_event.x;
-  cocoa_event_.data.mouse.pluginY = wheel_event.y;
-  cocoa_event_.data.mouse.modifierFlags |= CocoaModifiers(wheel_event);
-  cocoa_event_.data.mouse.deltaX = wheel_event.deltaX;
-  cocoa_event_.data.mouse.deltaY = wheel_event.deltaY;
-  return true;
-}
-
-NSUInteger PluginWebEventConverter::CocoaModifiers(
-    const WebInputEvent& web_event) {
-  NSInteger modifiers = 0;
-  if (web_event.modifiers & WebInputEvent::ControlKey)
-    modifiers |= NSControlKeyMask;
-  if (web_event.modifiers & WebInputEvent::ShiftKey)
-    modifiers |= NSShiftKeyMask;
-  if (web_event.modifiers & WebInputEvent::AltKey)
-    modifiers |= NSAlternateKeyMask;
-  if (web_event.modifiers & WebInputEvent::MetaKey)
-    modifiers |= NSCommandKeyMask;
-  if (CapsLockIsActive(web_event))
-    modifiers |= NSAlphaShiftKeyMask;
-  return modifiers;
-}
-
-}  // namespace npapi
-}  // namespace webkit