content/browser/renderer_host/input/web_input_event_builders_android.cc

   1 // Copyright 2013 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/browser/renderer_host/input/web_input_event_builders_android.h"
   6
   7 #include "base/logging.h"
   8 #include "content/browser/renderer_host/input/motion_event_android.h"
   9 #include "content/browser/renderer_host/input/web_input_event_util.h"
  10 #include "ui/events/keycodes/dom/dom_code.h"
  11 #include "ui/events/keycodes/dom/keycode_converter.h"
  12 #include "ui/events/keycodes/keyboard_code_conversion.h"
  13 #include "ui/events/keycodes/keyboard_code_conversion_android.h"
  14 #include "ui/events/keycodes/keyboard_codes_posix.h"
  15
  16 using blink::WebInputEvent;
  17 using blink::WebKeyboardEvent;
  18 using blink::WebGestureEvent;
  19 using blink::WebMouseEvent;
  20 using blink::WebMouseWheelEvent;
  21 using blink::WebTouchEvent;
  22 using blink::WebTouchPoint;
  23
  24 namespace content {
  25
  26 WebKeyboardEvent WebKeyboardEventBuilder::Build(WebInputEvent::Type type,
  27                                                 int modifiers,
  28                                                 double time_sec,
  29                                                 int keycode,
  30                                                 int scancode,
  31                                                 int unicode_character,
  32                                                 bool is_system_key) {
  33   DCHECK(WebInputEvent::isKeyboardEventType(type));
  34   WebKeyboardEvent result;
  35
  36   ui::DomCode dom_code = ui::DomCode::NONE;
  37   if (scancode != 0)
  38     dom_code = ui::KeycodeConverter::NativeKeycodeToDomCode(scancode);
  39   result.type = type;
  40   result.modifiers = modifiers;
  41   result.timeStampSeconds = time_sec;
  42   result.windowsKeyCode = ui::LocatedToNonLocatedKeyboardCode(
  43       ui::KeyboardCodeFromAndroidKeyCode(keycode));
  44   result.modifiers |= DomCodeToWebInputEventModifiers(dom_code);
  45   result.nativeKeyCode = keycode;
  46   result.domCode = static_cast<int>(dom_code);
  47   result.unmodifiedText[0] = unicode_character;
  48   if (result.windowsKeyCode == ui::VKEY_RETURN) {
  49     // This is the same behavior as GTK:
  50     // We need to treat the enter key as a key press of character \r. This
  51     // is apparently just how webkit handles it and what it expects.
  52     result.unmodifiedText[0] = '\r';
  53   }
  54   result.text[0] = result.unmodifiedText[0];
  55   result.isSystemKey = is_system_key;
  56   result.setKeyIdentifierFromWindowsKeyCode();
  57
  58   return result;
  59 }
  60
  61 WebMouseEvent WebMouseEventBuilder::Build(blink::WebInputEvent::Type type,
  62                                           WebMouseEvent::Button button,
  63                                           double time_sec,
  64                                           int window_x,
  65                                           int window_y,
  66                                           int modifiers,
  67                                           int click_count) {
  68   DCHECK(WebInputEvent::isMouseEventType(type));
  69   WebMouseEvent result;
  70
  71   result.type = type;
  72   result.x = window_x;
  73   result.y = window_y;
  74   result.windowX = window_x;
  75   result.windowY = window_y;
  76   result.timeStampSeconds = time_sec;
  77   result.clickCount = click_count;
  78   result.modifiers = modifiers;
  79
  80   if (type == WebInputEvent::MouseDown || type == WebInputEvent::MouseUp)
  81     result.button = button;
  82   else
  83     result.button = WebMouseEvent::ButtonNone;
  84
  85   return result;
  86 }
  87
  88 WebMouseWheelEvent WebMouseWheelEventBuilder::Build(float ticks_x,
  89                                                     float ticks_y,
  90                                                     float tick_multiplier,
  91                                                     double time_sec,
  92                                                     int window_x,
  93                                                     int window_y) {
  94   WebMouseWheelEvent result;
  95
  96   result.type = WebInputEvent::MouseWheel;
  97   result.x = window_x;
  98   result.y = window_y;
  99   result.windowX = window_x;
 100   result.windowY = window_y;
 101   result.timeStampSeconds = time_sec;
 102   result.button = WebMouseEvent::ButtonNone;
 103   result.hasPreciseScrollingDeltas = true;
 104   result.deltaX = ticks_x * tick_multiplier;
 105   result.deltaY = ticks_y * tick_multiplier;
 106   result.wheelTicksX = ticks_x;
 107   result.wheelTicksY = ticks_y;
 108
 109   return result;
 110 }
 111
 112 WebGestureEvent WebGestureEventBuilder::Build(WebInputEvent::Type type,
 113                                               double time_sec,
 114                                               int x,
 115                                               int y) {
 116   DCHECK(WebInputEvent::isGestureEventType(type));
 117   WebGestureEvent result;
 118
 119   result.type = type;
 120   result.x = x;
 121   result.y = y;
 122   result.timeStampSeconds = time_sec;
 123   result.sourceDevice = blink::WebGestureDeviceTouchscreen;
 124
 125   return result;
 126 }
 127
 128 }  // namespace content