blob: 142de441f7b0864c8b34772c6386d67871cc2d3f [file] [log] [blame]
// Copyright (c) 2012 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.
#include "content/renderer/pepper/event_conversion.h"
#include <stddef.h>
#include <stdint.h>
#include <string.h>
#include <memory>
#include "base/i18n/char_iterator.h"
#include "base/logging.h"
#include "base/strings/string16.h"
#include "base/strings/string_util.h"
#include "base/strings/stringprintf.h"
#include "base/strings/utf_string_conversion_utils.h"
#include "base/strings/utf_string_conversions.h"
#include "build/build_config.h"
#include "content/common/input/web_touch_event_traits.h"
#include "ppapi/c/pp_input_event.h"
#include "ppapi/shared_impl/ppb_input_event_shared.h"
#include "third_party/WebKit/public/platform/WebGamepads.h"
#include "third_party/WebKit/public/web/WebInputEvent.h"
#include "ui/events/keycodes/dom/keycode_converter.h"
using ppapi::InputEventData;
using blink::WebInputEvent;
using blink::WebKeyboardEvent;
using blink::WebMouseEvent;
using blink::WebMouseWheelEvent;
using blink::WebTouchEvent;
using blink::WebTouchPoint;
using blink::WebUChar;
namespace content {
namespace {
// Verify the modifier flags WebKit uses match the Pepper ones. If these start
// not matching, we'll need to write conversion code to preserve the Pepper
// values (since plugins will be depending on them).
static_assert(static_cast<int>(PP_INPUTEVENT_MODIFIER_SHIFTKEY) ==
static_cast<int>(WebInputEvent::ShiftKey),
"ShiftKey should match");
static_assert(static_cast<int>(PP_INPUTEVENT_MODIFIER_CONTROLKEY) ==
static_cast<int>(WebInputEvent::ControlKey),
"ControlKey should match");
static_assert(static_cast<int>(PP_INPUTEVENT_MODIFIER_ALTKEY) ==
static_cast<int>(WebInputEvent::AltKey),
"AltKey should match");
static_assert(static_cast<int>(PP_INPUTEVENT_MODIFIER_METAKEY) ==
static_cast<int>(WebInputEvent::MetaKey),
"MetaKey should match");
static_assert(static_cast<int>(PP_INPUTEVENT_MODIFIER_ISKEYPAD) ==
static_cast<int>(WebInputEvent::IsKeyPad),
"KeyPad should match");
static_assert(static_cast<int>(PP_INPUTEVENT_MODIFIER_ISAUTOREPEAT) ==
static_cast<int>(WebInputEvent::IsAutoRepeat),
"AutoRepeat should match");
static_assert(static_cast<int>(PP_INPUTEVENT_MODIFIER_LEFTBUTTONDOWN) ==
static_cast<int>(WebInputEvent::LeftButtonDown),
"LeftButton should match");
static_assert(static_cast<int>(PP_INPUTEVENT_MODIFIER_MIDDLEBUTTONDOWN) ==
static_cast<int>(WebInputEvent::MiddleButtonDown),
"MiddleButton should match");
static_assert(static_cast<int>(PP_INPUTEVENT_MODIFIER_RIGHTBUTTONDOWN) ==
static_cast<int>(WebInputEvent::RightButtonDown),
"RightButton should match");
static_assert(static_cast<int>(PP_INPUTEVENT_MODIFIER_CAPSLOCKKEY) ==
static_cast<int>(WebInputEvent::CapsLockOn),
"CapsLock should match");
static_assert(static_cast<int>(PP_INPUTEVENT_MODIFIER_NUMLOCKKEY) ==
static_cast<int>(WebInputEvent::NumLockOn),
"NumLock should match");
static_assert(static_cast<int>(PP_INPUTEVENT_MODIFIER_ISLEFT) ==
static_cast<int>(WebInputEvent::IsLeft),
"IsLeft should match");
static_assert(static_cast<int>(PP_INPUTEVENT_MODIFIER_ISRIGHT) ==
static_cast<int>(WebInputEvent::IsRight),
"IsRight should match");
PP_InputEvent_Type ConvertEventTypes(WebInputEvent::Type wetype) {
switch (wetype) {
case WebInputEvent::MouseDown:
return PP_INPUTEVENT_TYPE_MOUSEDOWN;
case WebInputEvent::MouseUp:
return PP_INPUTEVENT_TYPE_MOUSEUP;
case WebInputEvent::MouseMove:
return PP_INPUTEVENT_TYPE_MOUSEMOVE;
case WebInputEvent::MouseEnter:
return PP_INPUTEVENT_TYPE_MOUSEENTER;
case WebInputEvent::MouseLeave:
return PP_INPUTEVENT_TYPE_MOUSELEAVE;
case WebInputEvent::ContextMenu:
return PP_INPUTEVENT_TYPE_CONTEXTMENU;
case WebInputEvent::MouseWheel:
return PP_INPUTEVENT_TYPE_WHEEL;
case WebInputEvent::RawKeyDown:
return PP_INPUTEVENT_TYPE_RAWKEYDOWN;
case WebInputEvent::KeyDown:
return PP_INPUTEVENT_TYPE_KEYDOWN;
case WebInputEvent::KeyUp:
return PP_INPUTEVENT_TYPE_KEYUP;
case WebInputEvent::Char:
return PP_INPUTEVENT_TYPE_CHAR;
case WebInputEvent::TouchStart:
return PP_INPUTEVENT_TYPE_TOUCHSTART;
case WebInputEvent::TouchMove:
return PP_INPUTEVENT_TYPE_TOUCHMOVE;
case WebInputEvent::TouchEnd:
return PP_INPUTEVENT_TYPE_TOUCHEND;
case WebInputEvent::TouchCancel:
return PP_INPUTEVENT_TYPE_TOUCHCANCEL;
case WebInputEvent::Undefined:
default:
return PP_INPUTEVENT_TYPE_UNDEFINED;
}
}
// Generates a PP_InputEvent with the fields common to all events, as well as
// the event type from the given web event. Event-specific fields will be zero
// initialized.
InputEventData GetEventWithCommonFieldsAndType(const WebInputEvent& web_event) {
InputEventData result;
result.event_type = ConvertEventTypes(web_event.type);
result.event_time_stamp = web_event.timeStampSeconds;
return result;
}
void AppendKeyEvent(const WebInputEvent& event,
std::vector<InputEventData>* result_events) {
const WebKeyboardEvent& key_event =
static_cast<const WebKeyboardEvent&>(event);
InputEventData result = GetEventWithCommonFieldsAndType(event);
result.event_modifiers = key_event.modifiers;
result.key_code = key_event.windowsKeyCode;
result.code = ui::KeycodeConverter::DomCodeToCodeString(
static_cast<ui::DomCode>(key_event.domCode));
result_events->push_back(result);
}
void AppendCharEvent(const WebInputEvent& event,
std::vector<InputEventData>* result_events) {
const WebKeyboardEvent& key_event =
static_cast<const WebKeyboardEvent&>(event);
// This is a bit complex, the input event will normally just have one 16-bit
// character in it, but may be zero or more than one. The text array is
// just padded with 0 values for the unused ones, but is not necessarily
// null-terminated.
//
// Here we see how many UTF-16 characters we have.
size_t utf16_char_count = 0;
while (utf16_char_count < WebKeyboardEvent::textLengthCap &&
key_event.text[utf16_char_count])
utf16_char_count++;
// Make a separate InputEventData for each Unicode character in the input.
base::i18n::UTF16CharIterator iter(key_event.text, utf16_char_count);
while (!iter.end()) {
InputEventData result = GetEventWithCommonFieldsAndType(event);
result.event_modifiers = key_event.modifiers;
base::WriteUnicodeCharacter(iter.get(), &result.character_text);
result_events->push_back(result);
iter.Advance();
}
}
void AppendMouseEvent(const WebInputEvent& event,
std::vector<InputEventData>* result_events) {
static_assert(static_cast<int>(WebMouseEvent::ButtonNone) ==
static_cast<int>(PP_INPUTEVENT_MOUSEBUTTON_NONE),
"MouseNone should match");
static_assert(static_cast<int>(WebMouseEvent::ButtonLeft) ==
static_cast<int>(PP_INPUTEVENT_MOUSEBUTTON_LEFT),
"MouseLeft should match");
static_assert(static_cast<int>(WebMouseEvent::ButtonRight) ==
static_cast<int>(PP_INPUTEVENT_MOUSEBUTTON_RIGHT),
"MouseRight should match");
static_assert(static_cast<int>(WebMouseEvent::ButtonMiddle) ==
static_cast<int>(PP_INPUTEVENT_MOUSEBUTTON_MIDDLE),
"MouseMiddle should match");
const WebMouseEvent& mouse_event = static_cast<const WebMouseEvent&>(event);
InputEventData result = GetEventWithCommonFieldsAndType(event);
result.event_modifiers = mouse_event.modifiers;
if (mouse_event.type == WebInputEvent::MouseDown ||
mouse_event.type == WebInputEvent::MouseMove ||
mouse_event.type == WebInputEvent::MouseUp) {
result.mouse_button =
static_cast<PP_InputEvent_MouseButton>(mouse_event.button);
}
result.mouse_position.x = mouse_event.x;
result.mouse_position.y = mouse_event.y;
result.mouse_click_count = mouse_event.clickCount;
result.mouse_movement.x = mouse_event.movementX;
result.mouse_movement.y = mouse_event.movementY;
result_events->push_back(result);
}
void AppendMouseWheelEvent(const WebInputEvent& event,
std::vector<InputEventData>* result_events) {
const WebMouseWheelEvent& mouse_wheel_event =
static_cast<const WebMouseWheelEvent&>(event);
InputEventData result = GetEventWithCommonFieldsAndType(event);
result.event_modifiers = mouse_wheel_event.modifiers;
result.wheel_delta.x = mouse_wheel_event.deltaX;
result.wheel_delta.y = mouse_wheel_event.deltaY;
result.wheel_ticks.x = mouse_wheel_event.wheelTicksX;
result.wheel_ticks.y = mouse_wheel_event.wheelTicksY;
result.wheel_scroll_by_page = !!mouse_wheel_event.scrollByPage;
result_events->push_back(result);
}
enum IncludedTouchPointTypes {
ALL, // All pointers targetting the plugin.
ACTIVE, // Only pointers that are currently down.
CHANGED // Only pointers that have changed since the previous event.
};
void SetPPTouchPoints(const WebTouchPoint* touches,
uint32_t touches_length,
IncludedTouchPointTypes included_types,
std::vector<PP_TouchPoint>* result) {
for (uint32_t i = 0; i < touches_length; i++) {
const WebTouchPoint& touch_point = touches[i];
if (included_types == ACTIVE &&
(touch_point.state == WebTouchPoint::StateReleased ||
touch_point.state == WebTouchPoint::StateCancelled)) {
continue;
}
if (included_types == CHANGED &&
(touch_point.state == WebTouchPoint::StateUndefined ||
touch_point.state == WebTouchPoint::StateStationary)) {
continue;
}
PP_TouchPoint pp_pt;
pp_pt.id = touch_point.id;
pp_pt.position.x = touch_point.position.x;
pp_pt.position.y = touch_point.position.y;
pp_pt.radius.x = touch_point.radiusX;
pp_pt.radius.y = touch_point.radiusY;
pp_pt.rotation_angle = touch_point.rotationAngle;
pp_pt.pressure = touch_point.force;
result->push_back(pp_pt);
}
}
void AppendTouchEvent(const WebInputEvent& event,
std::vector<InputEventData>* result_events) {
const WebTouchEvent& touch_event =
reinterpret_cast<const WebTouchEvent&>(event);
InputEventData result = GetEventWithCommonFieldsAndType(event);
SetPPTouchPoints(
touch_event.touches, touch_event.touchesLength, ACTIVE, &result.touches);
SetPPTouchPoints(touch_event.touches,
touch_event.touchesLength,
CHANGED,
&result.changed_touches);
SetPPTouchPoints(touch_event.touches,
touch_event.touchesLength,
ALL,
&result.target_touches);
result_events->push_back(result);
}
WebTouchPoint CreateWebTouchPoint(const PP_TouchPoint& pp_pt,
WebTouchPoint::State state) {
WebTouchPoint pt;
pt.pointerType = blink::WebPointerProperties::PointerType::Touch;
pt.id = pp_pt.id;
pt.position.x = pp_pt.position.x;
pt.position.y = pp_pt.position.y;
// TODO(crbug.com/93902): Add screen coordinate calculation.
pt.screenPosition.x = 0;
pt.screenPosition.y = 0;
pt.force = pp_pt.pressure;
pt.radiusX = pp_pt.radius.x;
pt.radiusY = pp_pt.radius.y;
pt.rotationAngle = pp_pt.rotation_angle;
pt.state = state;
return pt;
}
bool HasTouchPointWithId(const WebTouchPoint* web_touches,
uint32_t web_touches_length,
uint32_t id) {
// Note: A brute force search to find the (potentially) existing touch point
// is cheap given the small bound on |WebTouchEvent::touchesLengthCap|.
for (uint32_t i = 0; i < web_touches_length; ++i) {
if (web_touches[i].id == static_cast<int>(id))
return true;
}
return false;
}
void SetWebTouchPointsIfNotYetSet(const std::vector<PP_TouchPoint>& pp_touches,
WebTouchPoint::State state,
WebTouchPoint* web_touches,
uint32_t* web_touches_length) {
const uint32_t initial_web_touches_length = *web_touches_length;
const uint32_t touches_length =
std::min(static_cast<uint32_t>(pp_touches.size()),
static_cast<uint32_t>(WebTouchEvent::touchesLengthCap));
for (uint32_t i = 0; i < touches_length; ++i) {
const uint32_t touch_index = *web_touches_length;
if (touch_index >= static_cast<uint32_t>(WebTouchEvent::touchesLengthCap))
return;
const PP_TouchPoint& pp_pt = pp_touches[i];
if (HasTouchPointWithId(web_touches, initial_web_touches_length, pp_pt.id))
continue;
web_touches[touch_index] = CreateWebTouchPoint(pp_pt, state);
++(*web_touches_length);
}
}
WebTouchEvent* BuildTouchEvent(const InputEventData& event) {
WebTouchEvent* web_event = new WebTouchEvent();
WebTouchPoint::State state = WebTouchPoint::StateUndefined;
WebInputEvent::Type type = WebInputEvent::Undefined;
switch (event.event_type) {
case PP_INPUTEVENT_TYPE_TOUCHSTART:
type = WebInputEvent::TouchStart;
state = WebTouchPoint::StatePressed;
break;
case PP_INPUTEVENT_TYPE_TOUCHMOVE:
type = WebInputEvent::TouchMove;
state = WebTouchPoint::StateMoved;
break;
case PP_INPUTEVENT_TYPE_TOUCHEND:
type = WebInputEvent::TouchEnd;
state = WebTouchPoint::StateReleased;
break;
case PP_INPUTEVENT_TYPE_TOUCHCANCEL:
type = WebInputEvent::TouchCancel;
state = WebTouchPoint::StateCancelled;
break;
default:
NOTREACHED();
}
WebTouchEventTraits::ResetType(
type, event.event_time_stamp, web_event);
web_event->touchesLength = 0;
// First add all changed touches, then add only the remaining unset
// (stationary) touches.
SetWebTouchPointsIfNotYetSet(event.changed_touches,
state,
web_event->touches,
&web_event->touchesLength);
SetWebTouchPointsIfNotYetSet(event.touches,
WebTouchPoint::StateStationary,
web_event->touches,
&web_event->touchesLength);
return web_event;
}
WebKeyboardEvent* BuildKeyEvent(const InputEventData& event) {
WebKeyboardEvent* key_event = new WebKeyboardEvent();
switch (event.event_type) {
case PP_INPUTEVENT_TYPE_RAWKEYDOWN:
key_event->type = WebInputEvent::RawKeyDown;
break;
case PP_INPUTEVENT_TYPE_KEYDOWN:
key_event->type = WebInputEvent::KeyDown;
break;
case PP_INPUTEVENT_TYPE_KEYUP:
key_event->type = WebInputEvent::KeyUp;
break;
default:
NOTREACHED();
}
key_event->timeStampSeconds = event.event_time_stamp;
key_event->modifiers = event.event_modifiers;
key_event->windowsKeyCode = event.key_code;
return key_event;
}
WebKeyboardEvent* BuildCharEvent(const InputEventData& event) {
WebKeyboardEvent* key_event = new WebKeyboardEvent();
key_event->type = WebInputEvent::Char;
key_event->timeStampSeconds = event.event_time_stamp;
key_event->modifiers = event.event_modifiers;
// Make sure to not read beyond the buffer in case some bad code doesn't
// NULL-terminate it (this is called from plugins).
size_t text_length_cap = WebKeyboardEvent::textLengthCap;
base::string16 text16 = base::UTF8ToUTF16(event.character_text);
memset(key_event->text, 0, text_length_cap);
memset(key_event->unmodifiedText, 0, text_length_cap);
for (size_t i = 0; i < std::min(text_length_cap, text16.size()); ++i)
key_event->text[i] = text16[i];
return key_event;
}
WebMouseEvent* BuildMouseEvent(const InputEventData& event) {
WebMouseEvent* mouse_event = new WebMouseEvent();
mouse_event->pointerType = blink::WebPointerProperties::PointerType::Mouse;
switch (event.event_type) {
case PP_INPUTEVENT_TYPE_MOUSEDOWN:
mouse_event->type = WebInputEvent::MouseDown;
break;
case PP_INPUTEVENT_TYPE_MOUSEUP:
mouse_event->type = WebInputEvent::MouseUp;
break;
case PP_INPUTEVENT_TYPE_MOUSEMOVE:
mouse_event->type = WebInputEvent::MouseMove;
break;
case PP_INPUTEVENT_TYPE_MOUSEENTER:
mouse_event->type = WebInputEvent::MouseEnter;
break;
case PP_INPUTEVENT_TYPE_MOUSELEAVE:
mouse_event->type = WebInputEvent::MouseLeave;
break;
case PP_INPUTEVENT_TYPE_CONTEXTMENU:
mouse_event->type = WebInputEvent::ContextMenu;
break;
default:
NOTREACHED();
}
mouse_event->timeStampSeconds = event.event_time_stamp;
mouse_event->modifiers = event.event_modifiers;
mouse_event->button = static_cast<WebMouseEvent::Button>(event.mouse_button);
if (mouse_event->type == WebInputEvent::MouseMove) {
if (mouse_event->modifiers & WebInputEvent::LeftButtonDown)
mouse_event->button = WebMouseEvent::ButtonLeft;
else if (mouse_event->modifiers & WebInputEvent::MiddleButtonDown)
mouse_event->button = WebMouseEvent::ButtonMiddle;
else if (mouse_event->modifiers & WebInputEvent::RightButtonDown)
mouse_event->button = WebMouseEvent::ButtonRight;
}
mouse_event->x = event.mouse_position.x;
mouse_event->y = event.mouse_position.y;
mouse_event->clickCount = event.mouse_click_count;
mouse_event->movementX = event.mouse_movement.x;
mouse_event->movementY = event.mouse_movement.y;
return mouse_event;
}
WebMouseWheelEvent* BuildMouseWheelEvent(const InputEventData& event) {
WebMouseWheelEvent* mouse_wheel_event = new WebMouseWheelEvent();
mouse_wheel_event->type = WebInputEvent::MouseWheel;
mouse_wheel_event->timeStampSeconds = event.event_time_stamp;
mouse_wheel_event->modifiers = event.event_modifiers;
mouse_wheel_event->deltaX = event.wheel_delta.x;
mouse_wheel_event->deltaY = event.wheel_delta.y;
mouse_wheel_event->wheelTicksX = event.wheel_ticks.x;
mouse_wheel_event->wheelTicksY = event.wheel_ticks.y;
mouse_wheel_event->scrollByPage = event.wheel_scroll_by_page;
return mouse_wheel_event;
}
#if !defined(OS_WIN)
#define VK_RETURN 0x0D
#define VK_PRIOR 0x21
#define VK_NEXT 0x22
#define VK_END 0x23
#define VK_HOME 0x24
#define VK_LEFT 0x25
#define VK_UP 0x26
#define VK_RIGHT 0x27
#define VK_DOWN 0x28
#define VK_SNAPSHOT 0x2C
#define VK_INSERT 0x2D
#define VK_DELETE 0x2E
#define VK_APPS 0x5D
#define VK_F1 0x70
#endif
// Convert a character string to a Windows virtual key code. Adapted from
// src/components/test_runner/event_sender.cc. This
// is used by CreateSimulatedWebInputEvents to convert keyboard events.
void GetKeyCode(const std::string& char_text,
WebUChar* code,
WebUChar* text,
bool* needs_shift_modifier,
bool* generate_char) {
WebUChar vk_code = 0;
WebUChar vk_text = 0;
*needs_shift_modifier = false;
*generate_char = false;
if ("\n" == char_text) {
vk_text = vk_code = VK_RETURN;
*generate_char = true;
} else if ("rightArrow" == char_text) {
vk_code = VK_RIGHT;
} else if ("downArrow" == char_text) {
vk_code = VK_DOWN;
} else if ("leftArrow" == char_text) {
vk_code = VK_LEFT;
} else if ("upArrow" == char_text) {
vk_code = VK_UP;
} else if ("insert" == char_text) {
vk_code = VK_INSERT;
} else if ("delete" == char_text) {
vk_code = VK_DELETE;
} else if ("pageUp" == char_text) {
vk_code = VK_PRIOR;
} else if ("pageDown" == char_text) {
vk_code = VK_NEXT;
} else if ("home" == char_text) {
vk_code = VK_HOME;
} else if ("end" == char_text) {
vk_code = VK_END;
} else if ("printScreen" == char_text) {
vk_code = VK_SNAPSHOT;
} else if ("menu" == char_text) {
vk_code = VK_APPS;
} else {
// Compare the input string with the function-key names defined by the
// DOM spec (i.e. "F1",...,"F24").
for (int i = 1; i <= 24; ++i) {
std::string functionKeyName = base::StringPrintf("F%d", i);
if (functionKeyName == char_text) {
vk_code = VK_F1 + (i - 1);
break;
}
}
if (!vk_code) {
base::string16 char_text16 = base::UTF8ToUTF16(char_text);
DCHECK_EQ(char_text16.size(), 1U);
vk_text = vk_code = char_text16[0];
*needs_shift_modifier = base::IsAsciiUpper(vk_code & 0xFF);
if (base::IsAsciiLower(vk_code & 0xFF))
vk_code -= 'a' - 'A';
*generate_char = true;
}
}
*code = vk_code;
*text = vk_text;
}
} // namespace
void CreateInputEventData(const WebInputEvent& event,
std::vector<InputEventData>* result) {
result->clear();
switch (event.type) {
case WebInputEvent::MouseDown:
case WebInputEvent::MouseUp:
case WebInputEvent::MouseMove:
case WebInputEvent::MouseEnter:
case WebInputEvent::MouseLeave:
case WebInputEvent::ContextMenu:
AppendMouseEvent(event, result);
break;
case WebInputEvent::MouseWheel:
AppendMouseWheelEvent(event, result);
break;
case WebInputEvent::RawKeyDown:
case WebInputEvent::KeyDown:
case WebInputEvent::KeyUp:
AppendKeyEvent(event, result);
break;
case WebInputEvent::Char:
AppendCharEvent(event, result);
break;
case WebInputEvent::TouchStart:
case WebInputEvent::TouchMove:
case WebInputEvent::TouchEnd:
case WebInputEvent::TouchCancel:
AppendTouchEvent(event, result);
break;
case WebInputEvent::Undefined:
default:
break;
}
}
WebInputEvent* CreateWebInputEvent(const InputEventData& event) {
std::unique_ptr<WebInputEvent> web_input_event;
switch (event.event_type) {
case PP_INPUTEVENT_TYPE_UNDEFINED:
return NULL;
case PP_INPUTEVENT_TYPE_MOUSEDOWN:
case PP_INPUTEVENT_TYPE_MOUSEUP:
case PP_INPUTEVENT_TYPE_MOUSEMOVE:
case PP_INPUTEVENT_TYPE_MOUSEENTER:
case PP_INPUTEVENT_TYPE_MOUSELEAVE:
case PP_INPUTEVENT_TYPE_CONTEXTMENU:
web_input_event.reset(BuildMouseEvent(event));
break;
case PP_INPUTEVENT_TYPE_WHEEL:
web_input_event.reset(BuildMouseWheelEvent(event));
break;
case PP_INPUTEVENT_TYPE_RAWKEYDOWN:
case PP_INPUTEVENT_TYPE_KEYDOWN:
case PP_INPUTEVENT_TYPE_KEYUP:
web_input_event.reset(BuildKeyEvent(event));
break;
case PP_INPUTEVENT_TYPE_CHAR:
web_input_event.reset(BuildCharEvent(event));
break;
case PP_INPUTEVENT_TYPE_IME_COMPOSITION_START:
case PP_INPUTEVENT_TYPE_IME_COMPOSITION_UPDATE:
case PP_INPUTEVENT_TYPE_IME_COMPOSITION_END:
case PP_INPUTEVENT_TYPE_IME_TEXT:
// TODO(kinaba) implement in WebKit an event structure to handle
// composition events.
NOTREACHED();
break;
case PP_INPUTEVENT_TYPE_TOUCHSTART:
case PP_INPUTEVENT_TYPE_TOUCHMOVE:
case PP_INPUTEVENT_TYPE_TOUCHEND:
case PP_INPUTEVENT_TYPE_TOUCHCANCEL:
web_input_event.reset(BuildTouchEvent(event));
break;
}
return web_input_event.release();
}
// Generate a coherent sequence of input events to simulate a user event.
// From src/components/test_runner/event_sender.cc.
std::vector<std::unique_ptr<WebInputEvent>> CreateSimulatedWebInputEvents(
const ppapi::InputEventData& event,
int plugin_x,
int plugin_y) {
std::vector<std::unique_ptr<WebInputEvent>> events;
std::unique_ptr<WebInputEvent> original_event(CreateWebInputEvent(event));
switch (event.event_type) {
case PP_INPUTEVENT_TYPE_MOUSEDOWN:
case PP_INPUTEVENT_TYPE_MOUSEUP:
case PP_INPUTEVENT_TYPE_MOUSEMOVE:
case PP_INPUTEVENT_TYPE_MOUSEENTER:
case PP_INPUTEVENT_TYPE_MOUSELEAVE:
case PP_INPUTEVENT_TYPE_TOUCHSTART:
case PP_INPUTEVENT_TYPE_TOUCHMOVE:
case PP_INPUTEVENT_TYPE_TOUCHEND:
case PP_INPUTEVENT_TYPE_TOUCHCANCEL:
events.push_back(std::move(original_event));
break;
case PP_INPUTEVENT_TYPE_WHEEL: {
WebMouseWheelEvent* web_mouse_wheel_event =
static_cast<WebMouseWheelEvent*>(original_event.get());
web_mouse_wheel_event->x = plugin_x;
web_mouse_wheel_event->y = plugin_y;
events.push_back(std::move(original_event));
break;
}
case PP_INPUTEVENT_TYPE_RAWKEYDOWN:
case PP_INPUTEVENT_TYPE_KEYDOWN:
case PP_INPUTEVENT_TYPE_KEYUP: {
// Windows key down events should always be "raw" to avoid an ASSERT.
#if defined(OS_WIN)
WebKeyboardEvent* web_keyboard_event =
static_cast<WebKeyboardEvent*>(original_event.get());
if (web_keyboard_event->type == WebInputEvent::KeyDown)
web_keyboard_event->type = WebInputEvent::RawKeyDown;
#endif
events.push_back(std::move(original_event));
break;
}
case PP_INPUTEVENT_TYPE_CHAR: {
WebKeyboardEvent* web_char_event =
static_cast<WebKeyboardEvent*>(original_event.get());
WebUChar code = 0, text = 0;
bool needs_shift_modifier = false, generate_char = false;
GetKeyCode(event.character_text,
&code,
&text,
&needs_shift_modifier,
&generate_char);
// Synthesize key down and key up events in all cases.
std::unique_ptr<WebKeyboardEvent> key_down_event(new WebKeyboardEvent());
std::unique_ptr<WebKeyboardEvent> key_up_event(new WebKeyboardEvent());
key_down_event->type = WebInputEvent::RawKeyDown;
key_down_event->windowsKeyCode = code;
key_down_event->nativeKeyCode = code;
if (needs_shift_modifier)
key_down_event->modifiers |= WebInputEvent::ShiftKey;
// If a char event is needed, set the text fields.
if (generate_char) {
key_down_event->text[0] = text;
key_down_event->unmodifiedText[0] = text;
}
*key_up_event = *web_char_event = *key_down_event;
events.push_back(std::move(key_down_event));
if (generate_char) {
web_char_event->type = WebInputEvent::Char;
events.push_back(std::move(original_event));
}
key_up_event->type = WebInputEvent::KeyUp;
events.push_back(std::move(key_up_event));
break;
}
default:
break;
}
return events;
}
PP_InputEvent_Class ClassifyInputEvent(WebInputEvent::Type type) {
switch (type) {
case WebInputEvent::MouseDown:
case WebInputEvent::MouseUp:
case WebInputEvent::MouseMove:
case WebInputEvent::MouseEnter:
case WebInputEvent::MouseLeave:
case WebInputEvent::ContextMenu:
return PP_INPUTEVENT_CLASS_MOUSE;
case WebInputEvent::MouseWheel:
return PP_INPUTEVENT_CLASS_WHEEL;
case WebInputEvent::RawKeyDown:
case WebInputEvent::KeyDown:
case WebInputEvent::KeyUp:
case WebInputEvent::Char:
return PP_INPUTEVENT_CLASS_KEYBOARD;
case WebInputEvent::TouchCancel:
case WebInputEvent::TouchEnd:
case WebInputEvent::TouchMove:
case WebInputEvent::TouchStart:
return PP_INPUTEVENT_CLASS_TOUCH;
case WebInputEvent::TouchScrollStarted:
return PP_InputEvent_Class(0);
default:
CHECK(WebInputEvent::isGestureEventType(type));
return PP_InputEvent_Class(0);
}
}
} // namespace content