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/base_event_utils.h"
  10 #include "ui/events/event.h"
  11
  12 namespace {
  13
  14 // We need to copy |os_event| in NativeWebKeyboardEvent because it is
  15 // queued in RenderWidgetHost and may be passed and used
  16 // RenderViewHostDelegate::HandledKeybardEvent after the original aura
  17 // event is destroyed.
  18 ui::Event* CopyEvent(const ui::Event* event) {
  19   return event ? ui::Event::Clone(*event).release() : nullptr;
  20 }
  21
  22 int EventFlagsToWebInputEventModifiers(int flags) {
  23   return
  24       (flags & ui::EF_SHIFT_DOWN ? blink::WebInputEvent::ShiftKey : 0) |
  25       (flags & ui::EF_CONTROL_DOWN ? blink::WebInputEvent::ControlKey : 0) |
  26       (flags & ui::EF_CAPS_LOCK_DOWN ? blink::WebInputEvent::CapsLockOn : 0) |
  27       (flags & ui::EF_ALT_DOWN ? blink::WebInputEvent::AltKey : 0);
  28 }
  29
  30 }  // namespace
  31
  32 using blink::WebKeyboardEvent;
  33
  34 namespace content {
  35
  36 NativeWebKeyboardEvent::NativeWebKeyboardEvent()
  37     : os_event(NULL),
  38       skip_in_browser(false),
  39       match_edit_command(false) {
  40 }
  41
  42 NativeWebKeyboardEvent::NativeWebKeyboardEvent(gfx::NativeEvent native_event)
  43     : NativeWebKeyboardEvent(static_cast<ui::KeyEvent&>(*native_event)) {
  44 }
  45
  46 NativeWebKeyboardEvent::NativeWebKeyboardEvent(const ui::KeyEvent& key_event)
  47     : WebKeyboardEvent(MakeWebKeyboardEvent(key_event)),
  48       os_event(CopyEvent(&key_event)),
  49       skip_in_browser(false),
  50       match_edit_command(false) {
  51 }
  52
  53 NativeWebKeyboardEvent::NativeWebKeyboardEvent(
  54     const NativeWebKeyboardEvent& other)
  55     : WebKeyboardEvent(other),
  56       os_event(CopyEvent(other.os_event)),
  57       skip_in_browser(other.skip_in_browser),
  58       match_edit_command(false) {
  59 }
  60
  61 NativeWebKeyboardEvent::NativeWebKeyboardEvent(
  62     ui::EventType key_event_type,
  63     bool is_char,
  64     wchar_t character,
  65     int state,
  66     double time_stamp_seconds)
  67     : os_event(NULL),
  68       skip_in_browser(false),
  69       match_edit_command(false) {
  70   switch (key_event_type) {
  71     case ui::ET_KEY_PRESSED:
  72       type = is_char ? blink::WebInputEvent::Char :
  73           blink::WebInputEvent::RawKeyDown;
  74       break;
  75     case ui::ET_KEY_RELEASED:
  76       type = blink::WebInputEvent::KeyUp;
  77       break;
  78     default:
  79       NOTREACHED();
  80   }
  81
  82   modifiers = EventFlagsToWebInputEventModifiers(state);
  83   timeStampSeconds = time_stamp_seconds;
  84   windowsKeyCode = character;
  85   nativeKeyCode = character;
  86   text[0] = character;
  87   unmodifiedText[0] = character;
  88   isSystemKey =
  89       ui::IsSystemKeyModifier(state) && (state & ui::EF_ALTGR_DOWN) == 0;
  90   setKeyIdentifierFromWindowsKeyCode();
  91 }
  92
  93 NativeWebKeyboardEvent& NativeWebKeyboardEvent::operator=(
  94     const NativeWebKeyboardEvent& other) {
  95   WebKeyboardEvent::operator=(other);
  96   delete os_event;
  97   os_event = CopyEvent(other.os_event);
  98   skip_in_browser = other.skip_in_browser;
  99   match_edit_command = other.match_edit_command;
 100   return *this;
 101 }
 102
 103 NativeWebKeyboardEvent::~NativeWebKeyboardEvent() {
 104   delete os_event;
 105 }
 106
 107 }  // namespace content