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/*
* Copyright (C) 2006, 2007, 2008 Apple Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "event_handler.h"
#include <stdarg.h>
#include <stdio.h>
#include <string.h>
#include <string>
#include "native_client/src/include/nacl_macros.h"
#include "plugin_object.h"
// Utility methods.
std::string DoubleToString(double d) {
char buf[2048];
const size_t kBufSize = sizeof(buf);
snprintf(buf, kBufSize, "%f", d);
return buf;
}
std::string StringPrintf(const char* format, ...) {
char buf[2048];
const size_t kBufSize = sizeof(buf);
va_list ap;
va_start(ap, format);
vsnprintf(buf, kBufSize, format, ap);
va_end(ap);
return buf;
}
EventHandler* event_handler = NULL;
// EventHandler ----------------------------------------------------------------
EventHandler::EventHandler(NPP npp)
: npp_(npp),
text_box_(NULL) {
}
EventHandler::~EventHandler() {
}
void EventHandler::addText(const char* cstr) {
NPVariant variant;
// Create a a string variant to be set for the innerText.
MakeNPVariant(cstr, &variant);
// Report the string to the div.
NPVariant result;
browser->invokeDefault(npp_, text_box_, &variant, 1, &result);
// Release the variant.
browser->releasevariantvalue(&variant);
browser->releasevariantvalue(&result);
}
std::string EventHandler::EventName(double timestamp, int32 type) {
std::string str = DoubleToString(timestamp) + ": ";
switch (type) {
case NPEventType_MouseDown:
return str + "MouseDown";
case NPEventType_MouseUp:
return str + "MouseUp";
case NPEventType_MouseMove:
return str + "MouseMove";
case NPEventType_MouseEnter:
return str + "MouseEnter";
case NPEventType_MouseLeave:
return str + "MouseLeave";
case NPEventType_MouseWheel:
return str + "MouseWheel";
case NPEventType_RawKeyDown:
return str + "RawKeyDown";
case NPEventType_KeyDown:
return str + "KeyDown";
case NPEventType_KeyUp:
return str + "KeyUp";
case NPEventType_Char:
return str + "Char";
case NPEventType_Minimize:
return str + "Minimize";
case NPEventType_Focus:
return str + "Focus";
case NPEventType_Device:
return str + "Device";
case NPEventType_Undefined:
default:
return str + "Undefined";
}
}
int EventHandler::handle(void* event) {
NPPepperEvent* npevent = reinterpret_cast<NPPepperEvent*>(event);
std::string str = EventName(npevent->timeStampSeconds, npevent->type);
switch (npevent->type) {
case NPEventType_MouseDown:
case NPEventType_MouseUp:
case NPEventType_MouseMove:
case NPEventType_MouseEnter:
case NPEventType_MouseLeave:
str += StringPrintf(": mod %x, but: %x, x: %d, y: %d, click: %d",
npevent->u.mouse.modifier,
npevent->u.mouse.button,
npevent->u.mouse.x,
npevent->u.mouse.y,
npevent->u.mouse.clickCount);
break;
case NPEventType_MouseWheel:
str += StringPrintf(": mod %x, dx: %f, dy: %f, wtx: %f, wty: %d: sbp %d",
npevent->u.wheel.modifier,
npevent->u.wheel.deltaX,
npevent->u.wheel.deltaY,
npevent->u.wheel.wheelTicksX,
npevent->u.wheel.wheelTicksY,
npevent->u.wheel.scrollByPage);
break;
case NPEventType_RawKeyDown:
case NPEventType_KeyDown:
case NPEventType_KeyUp:
str += StringPrintf(": mod %x, key: %x",
npevent->u.key.modifier,
npevent->u.key.normalizedKeyCode);
break;
case NPEventType_Char:
str += StringPrintf(": mod %x, text: ",
npevent->u.character.modifier);
size_t i;
for (i = 0; i < NACL_ARRAY_SIZE(npevent->u.character.text); ++i) {
str += StringPrintf("%x ", npevent->u.character.text[i]);
}
str += ", unmod: ";
for (i = 0;
i < NACL_ARRAY_SIZE(npevent->u.character.unmodifiedText);
++i) {
str += StringPrintf("%x ", npevent->u.character.unmodifiedText[i]);
}
break;
case NPEventType_Minimize:
case NPEventType_Focus:
case NPEventType_Device:
// TODO(sehr): add prints as we support these.
break;
case NPEventType_Undefined:
default:
return 0;
}
addText(str.c_str());
return 1;
}
bool EventHandler::set_text_box(NPObject* text_box_object) {
text_box_ = text_box_object;
// Keep a reference to the text box update object.
browser->retainobject(text_box_object);
// Announce that we are alive.
addText("Set the callback for text\n");
return true;
}
char* EventHandler::string_duplicate(const char* cstr, size_t* len) {
*len = strlen(cstr);
char* str = reinterpret_cast<char*>(browser->memalloc(*len + 1));
if (NULL == str) {
*len = 0;
return NULL;
}
memcpy(str, cstr, *len + 1);
return str;
}
void EventHandler::MakeNPVariant(const char* cstr, NPVariant* var) {
if (NULL == cstr) {
STRINGN_TO_NPVARIANT(NULL, 0, *var);
return;
}
size_t len;
char* name = string_duplicate(cstr, &len);
if (NULL == name) {
STRINGN_TO_NPVARIANT(NULL, 0, *var);
return;
}
STRINGN_TO_NPVARIANT(name, len, *var);
}
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