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(const ui::Event* event) {
  18   return event ? ui::Event::Clone(*event).release() : nullptr;
  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       match_edit_command(false) {
  39 }
  40
  41 NativeWebKeyboardEvent::NativeWebKeyboardEvent(gfx::NativeEvent native_event)
  42     : NativeWebKeyboardEvent(static_cast<ui::KeyEvent&>(*native_event)) {
  43 }
  44
  45 NativeWebKeyboardEvent::NativeWebKeyboardEvent(const ui::KeyEvent& key_event)
  46     : WebKeyboardEvent(MakeWebKeyboardEvent(key_event)),
  47       os_event(CopyEvent(&key_event)),
  48       skip_in_browser(false),
  49       match_edit_command(false) {
  50 }
  51
  52 NativeWebKeyboardEvent::NativeWebKeyboardEvent(
  53     const NativeWebKeyboardEvent& other)
  54     : WebKeyboardEvent(other),
  55       os_event(CopyEvent(other.os_event)),
  56       skip_in_browser(other.skip_in_browser),
  57       match_edit_command(false) {
  58 }
  59
  60 NativeWebKeyboardEvent::NativeWebKeyboardEvent(
  61     ui::EventType key_event_type,
  62     bool is_char,
  63     wchar_t character,
  64     int state,
  65     double time_stamp_seconds)
  66     : os_event(NULL),
  67       skip_in_browser(false),
  68       match_edit_command(false) {
  69   switch (key_event_type) {
  70     case ui::ET_KEY_PRESSED:
  71       type = is_char ? blink::WebInputEvent::Char :
  72           blink::WebInputEvent::RawKeyDown;
  73       break;
  74     case ui::ET_KEY_RELEASED:
  75       type = blink::WebInputEvent::KeyUp;
  76       break;
  77     default:
  78       NOTREACHED();
  79   }
  80
  81   modifiers = EventFlagsToWebInputEventModifiers(state);
  82   timeStampSeconds = time_stamp_seconds;
  83   windowsKeyCode = character;
  84   nativeKeyCode = character;
  85   text[0] = character;
  86   unmodifiedText[0] = character;
  87   isSystemKey =
  88       (state & ui::EF_ALT_DOWN) != 0 && (state & ui::EF_ALTGR_DOWN) == 0;
  89   setKeyIdentifierFromWindowsKeyCode();
  90 }
  91
  92 NativeWebKeyboardEvent& NativeWebKeyboardEvent::operator=(
  93     const NativeWebKeyboardEvent& other) {
  94   WebKeyboardEvent::operator=(other);
  95   delete os_event;
  96   os_event = CopyEvent(other.os_event);
  97   skip_in_browser = other.skip_in_browser;
  98   match_edit_command = other.match_edit_command;
  99   return *this;
 100 }
 101
 102 NativeWebKeyboardEvent::~NativeWebKeyboardEvent() {
 103   delete os_event;
 104 }
 105
 106 }  // namespace content