content/browser/renderer_host/native_web_keyboard_event_aura.cc

   1 // Copyright (c) 2011 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "content/public/browser/native_web_keyboard_event.h"
   6
   7 #include "base/logging.h"
   8 #include "content/browser/renderer_host/web_input_event_aura.h"
   9 #include "ui/events/event.h"
  10
  11 namespace {
  12
  13 // We need to copy |os_event| in NativeWebKeyboardEvent because it is
  14 // queued in RenderWidgetHost and may be passed and used
  15 // RenderViewHostDelegate::HandledKeybardEvent after the original aura
  16 // event is destroyed.
  17 ui::Event* CopyEvent(ui::Event* event) {
  18   return event ? new ui::KeyEvent(*static_cast<ui::KeyEvent*>(event)) : NULL;
  19 }
  20
  21 int EventFlagsToWebInputEventModifiers(int flags) {
  22   return
  23       (flags & ui::EF_SHIFT_DOWN ? blink::WebInputEvent::ShiftKey : 0) |
  24       (flags & ui::EF_CONTROL_DOWN ? blink::WebInputEvent::ControlKey : 0) |
  25       (flags & ui::EF_CAPS_LOCK_DOWN ? blink::WebInputEvent::CapsLockOn : 0) |
  26       (flags & ui::EF_ALT_DOWN ? blink::WebInputEvent::AltKey : 0);
  27 }
  28
  29 }  // namespace
  30
  31 using blink::WebKeyboardEvent;
  32
  33 namespace content {
  34
  35 NativeWebKeyboardEvent::NativeWebKeyboardEvent()
  36     : os_event(NULL),
  37       skip_in_browser(false) {
  38 }
  39
  40 NativeWebKeyboardEvent::NativeWebKeyboardEvent(gfx::NativeEvent native_event)
  41     : WebKeyboardEvent(MakeWebKeyboardEvent(
  42           static_cast<ui::KeyEvent*>(native_event))),
  43       os_event(CopyEvent(native_event)),
  44       skip_in_browser(false) {
  45 }
  46
  47 NativeWebKeyboardEvent::NativeWebKeyboardEvent(
  48     const NativeWebKeyboardEvent& other)
  49     : WebKeyboardEvent(other),
  50       os_event(CopyEvent(other.os_event)),
  51       skip_in_browser(other.skip_in_browser) {
  52 }
  53
  54 NativeWebKeyboardEvent::NativeWebKeyboardEvent(
  55     ui::EventType key_event_type,
  56     bool is_char,
  57     wchar_t character,
  58     int state,
  59     double time_stamp_seconds)
  60     : os_event(NULL),
  61       skip_in_browser(false) {
  62   switch (key_event_type) {
  63     case ui::ET_KEY_PRESSED:
  64       type = is_char ? blink::WebInputEvent::Char :
  65           blink::WebInputEvent::RawKeyDown;
  66       break;
  67     case ui::ET_KEY_RELEASED:
  68       type = blink::WebInputEvent::KeyUp;
  69       break;
  70     default:
  71       NOTREACHED();
  72   }
  73
  74   modifiers = EventFlagsToWebInputEventModifiers(state);
  75   timeStampSeconds = time_stamp_seconds;
  76   windowsKeyCode = character;
  77   nativeKeyCode = character;
  78   text[0] = character;
  79   unmodifiedText[0] = character;
  80   isSystemKey =
  81       (state & ui::EF_ALT_DOWN) != 0 && (state & ui::EF_ALTGR_DOWN) == 0;
  82   setKeyIdentifierFromWindowsKeyCode();
  83 }
  84
  85 NativeWebKeyboardEvent& NativeWebKeyboardEvent::operator=(
  86     const NativeWebKeyboardEvent& other) {
  87   WebKeyboardEvent::operator=(other);
  88   delete os_event;
  89   os_event = CopyEvent(other.os_event);
  90   skip_in_browser = other.skip_in_browser;
  91
  92   return *this;
  93 }
  94
  95 NativeWebKeyboardEvent::~NativeWebKeyboardEvent() {
  96   delete os_event;
  97 }
  98
  99 }  // namespace content