Mac-ify webinputevent

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@1382 0039d316-1c4b-4281-b951-d872f2087c98

4 files changed, 209 insertions, 11 deletions

diff --git a/webkit/glue/SConscript b/webkit/glue/SConscript
index 760b067..f71cdf5 100644
--- a/webkit/glue/SConscript
+++ b/webkit/glue/SConscript
@@ -93,7 +93,7 @@ input_files = [
     'webframe_impl.cc',
     'webframeloaderclient_impl.cc',
     'webhistoryitem_impl.cc',
-    'webinputevent.cc',
+    'webinputevent_win.cc',
     'webkit_glue.cc',
     'webplugin_impl.cc',
     'webtextinput_impl.cc',
diff --git a/webkit/glue/webinputevent.h b/webkit/glue/webinputevent.h
index 5658c6a..07e2cab 100644
--- a/webkit/glue/webinputevent.h
+++ b/webkit/glue/webinputevent.h
@@ -2,12 +2,22 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#ifndef WEBKIT_GLUE_WEBINPUTEVENT_H__
-#define WEBKIT_GLUE_WEBINPUTEVENT_H__
+#ifndef WEBKIT_GLUE_WEBINPUTEVENT_H_
+#define WEBKIT_GLUE_WEBINPUTEVENT_H_
 
-#include <windows.h>
 #include "base/basictypes.h"
 
+#if defined(OS_WIN)
+#include <windows.h>
+#elif defined(OS_MACOSX)
+#include <wtf/RetainPtr.h>
+#ifdef __OBJC__
+@class NSEvent;
+#else
+class NSEvent;
+#endif  // __OBJC__
+#endif  // OS_MACOSX
+
 // The classes defined in this file are intended to be used with WebView's
 // HandleInputEvent method.  These event types are cross-platform; however,
 // there are platform-specific constructors that accept native UI events.
@@ -50,6 +60,11 @@ class WebInputEvent {
 
   Type type;
   int modifiers;
+#if defined(OS_MACOSX)
+  // For now, good enough for the test shell. TODO(avi): Revisit when we need
+  // to start sending this over an IPC pipe.
+  RetainPtr<NSEvent> mac_event;
+#endif
 };
 
 // WebMouseEvent --------------------------------------------------------------
@@ -73,7 +88,11 @@ class WebMouseEvent : public WebInputEvent {
   int layout_test_click_count;  // Only used during layout tests.
 
   WebMouseEvent() {}
+#if defined(OS_WIN)
   WebMouseEvent(HWND hwnd, UINT message, WPARAM wparam, LPARAM lparam);
+#elif defined(OS_MACOSX)
+  WebMouseEvent(NSEvent *event);
+#endif
 };
 
 // WebMouseWheelEvent ---------------------------------------------------------
@@ -84,28 +103,41 @@ class WebMouseWheelEvent : public WebMouseEvent {
   int delta_y;
 
   WebMouseWheelEvent() {}
+#if defined(OS_WIN)
   WebMouseWheelEvent(HWND hwnd, UINT message, WPARAM wparam, LPARAM lparam);
+#elif defined(OS_MACOSX)
+  WebMouseWheelEvent(NSEvent *event);
+#endif
 };
 
 // WebKeyboardEvent -----------------------------------------------------------
 
 class WebKeyboardEvent : public WebInputEvent {
  public:
-  bool system_key;  // Set if we receive a SYSKEYDOWN/WM_SYSKEYUP message.
-  MSG actual_message; // Set to the current keyboard message.
   int key_code;
   int key_data;
+#if defined(OS_WIN)
+  bool system_key;  // Set if we receive a SYSKEYDOWN/WM_SYSKEYUP message.
+  MSG actual_message; // Set to the current keyboard message.
+#endif
 
   WebKeyboardEvent() 
-      : system_key(false),
-        key_code(0),
-        key_data(0) {
+      : key_code(0),
+        key_data(0)
+#if defined(OS_WIN)
+        , system_key(false) {
     memset(&actual_message, 0, sizeof(actual_message));
   }
+#else
+  {}
+#endif
 
+#if defined(OS_WIN)
   WebKeyboardEvent(HWND hwnd, UINT message, WPARAM wparam, LPARAM lparam);
+#elif defined(OS_MACOSX)
+  WebKeyboardEvent(NSEvent *event);
+#endif
 };
 
 
-#endif  // WEBKIT_GLUE_WEBINPUTEVENT_H__
-
+#endif  // WEBKIT_GLUE_WEBINPUTEVENT_H_
diff --git a/webkit/glue/webinputevent_mac.mm b/webkit/glue/webinputevent_mac.mm
new file mode 100644
index 0000000..08da30f
--- /dev/null
+++ b/webkit/glue/webinputevent_mac.mm
@@ -0,0 +1,166 @@
+// Copyright (c) 2006-2008 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 "config.h"
+
+#include "webkit/glue/webinputevent.h"
+
+#include "webkit/glue/event_conversion.h"
+
+#undef LOG
+#include "base/logging.h"
+
+static const unsigned long kDefaultScrollLinesPerWheelDelta = 3;
+
+// WebMouseEvent --------------------------------------------------------------
+
+WebMouseEvent::WebMouseEvent(NSEvent *event) {
+  switch ([event type]) {
+    case NSMouseExited:
+      type = MOUSE_LEAVE;
+      button = BUTTON_NONE;
+      break;
+    case NSLeftMouseDown:
+      type = [event clickCount] == 2 ? MOUSE_DOUBLE_CLICK : MOUSE_DOWN;
+      button = BUTTON_LEFT;
+      break;
+    case NSOtherMouseDown:
+      type = [event clickCount] == 2 ? MOUSE_DOUBLE_CLICK : MOUSE_DOWN;
+      button = BUTTON_MIDDLE;
+      break;
+    case NSRightMouseDown:
+      type = [event clickCount] == 2 ? MOUSE_DOUBLE_CLICK : MOUSE_DOWN;
+      button = BUTTON_RIGHT;
+      break;
+    case NSLeftMouseUp:
+      type = MOUSE_UP;
+      button = BUTTON_LEFT;
+      break;
+    case NSOtherMouseUp:
+      type = MOUSE_UP;
+      button = BUTTON_MIDDLE;
+      break;
+    case NSRightMouseUp:
+      type = MOUSE_UP;
+      button = BUTTON_RIGHT;
+      break;
+    case NSMouseMoved:
+    case NSMouseEntered:
+      type = MOUSE_MOVE;
+      break;
+    case NSLeftMouseDragged:
+      type = MOUSE_MOVE;
+      button = BUTTON_LEFT;
+      break;
+    case NSOtherMouseDragged:
+      type = MOUSE_MOVE;
+      button = BUTTON_MIDDLE;
+      break;
+    case NSRightMouseDragged:
+      type = MOUSE_MOVE;
+      button = BUTTON_RIGHT;
+      break;
+    default:
+      NOTREACHED() << "unexpected native message";
+  }
+
+  // set position fields:
+  NSPoint location = [NSEvent mouseLocation];  // global coordinates
+  global_x = location.x;
+  global_y = location.y;
+
+  location = [event locationInWindow];  // local (to receiving window)
+  x = location.x;
+  y = location.y;
+  
+  // set modifiers:
+
+  modifiers = 0;
+  if ([event modifierFlags] & NSControlKeyMask)
+    modifiers |= CTRL_KEY;
+  if ([event modifierFlags] & NSShiftKeyMask)
+    modifiers |= SHIFT_KEY;
+  if ([event modifierFlags] & NSAlternateKeyMask)
+    modifiers |= (ALT_KEY | META_KEY);  // TODO(darin): set META properly
+
+  timestamp_sec = [event timestamp];
+
+  layout_test_click_count = 0;
+  
+  mac_event.adoptNS(event);
+}
+
+// WebMouseWheelEvent ---------------------------------------------------------
+
+WebMouseWheelEvent::WebMouseWheelEvent(NSEvent *event) {
+  type = MOUSE_WHEEL;
+  button = BUTTON_NONE;
+
+  NSPoint location = [NSEvent mouseLocation];  // global coordinates
+  global_x = location.x;
+  global_y = location.y;
+  
+  location = [event locationInWindow];  // local (to receiving window)
+  x = location.x;
+  y = location.y;
+
+  int wheel_delta = [event deltaY];
+  const int delta_lines = wheel_delta * kDefaultScrollLinesPerWheelDelta;
+
+  // Scroll horizontally if shift is held. WebKit's WebKit/win/WebView.cpp 
+  // does the equivalent.
+  // TODO(jackson): Support WM_MOUSEHWHEEL = 0x020E event as well. 
+  // (Need a mouse with horizontal scrolling capabilities to test it.)
+  if ([event modifierFlags] & NSShiftKeyMask) {
+    // Scrolling up should move left, scrolling down should move right
+    delta_x = -delta_lines;  
+    delta_y = 0;
+  } else {
+    delta_x = 0;
+    delta_y = delta_lines;
+  }
+
+  modifiers = 0;
+  if ([event modifierFlags] & NSControlKeyMask)
+    modifiers |= CTRL_KEY;
+  if ([event modifierFlags] & NSShiftKeyMask)
+    modifiers |= SHIFT_KEY;
+  if ([event modifierFlags] & NSAlternateKeyMask)
+    modifiers |= ALT_KEY;
+  
+  mac_event.adoptNS(event);
+}
+
+// WebKeyboardEvent -----------------------------------------------------------
+
+WebKeyboardEvent::WebKeyboardEvent(NSEvent *event) {
+  switch ([event type]) {
+    case NSKeyDown:
+      type = KEY_DOWN;
+      break;
+    case NSKeyUp:
+      type = KEY_UP;
+      break;
+    default:
+      NOTREACHED() << "unexpected native message";
+  }
+
+  modifiers = 0;
+  if ([event modifierFlags] & NSControlKeyMask)
+    modifiers |= CTRL_KEY;
+  if ([event modifierFlags] & NSShiftKeyMask)
+    modifiers |= SHIFT_KEY;
+  if ([event modifierFlags] & NSAlternateKeyMask)
+    modifiers |= ALT_KEY;
+  
+  if ([event isARepeat])
+    modifiers |= IS_AUTO_REPEAT;
+
+  key_code = [event keyCode];
+  key_data = [[event characters] characterAtIndex:0];
+  
+  mac_event.adoptNS(event);
+}
diff --git a/webkit/glue/webinputevent.cc b/webkit/glue/webinputevent_win.cc
index 93f5da7..93f5da7 100644
--- a/webkit/glue/webinputevent.cc
+++ b/webkit/glue/webinputevent_win.cc