Enable pepper events to flow to the plugin. Also enable printing of the event

types observed at NPP_HandleEvent.

Review URL: http://codereview.chromium.org/465110

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@34038 0039d316-1c4b-4281-b951-d872f2087c98

1 files changed, 182 insertions, 0 deletions

diff --git a/webkit/tools/pepper_test_plugin/event_handler.cc b/webkit/tools/pepper_test_plugin/event_handler.cc
new file mode 100644
index 0000000..75ede4e
--- /dev/null
+++ b/webkit/tools/pepper_test_plugin/event_handler.cc
@@ -0,0 +1,182 @@
+/*
+ * 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 "webkit/tools/pepper_test_plugin/event_handler.h"
+
+#include <stdio.h>
+#include <string>
+
+#include "base/logging.h"
+#include "base/string_util.h"
+#include "webkit/tools/pepper_test_plugin/plugin_object.h"
+
+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 < ARRAYSIZE(npevent->u.character.text); ++i) {
+        str += StringPrintf("%x ", npevent->u.character.text[i]);
+      }
+      str += ", unmod: ";
+      for (i = 0; i < ARRAYSIZE(npevent->u.character.unmodifiedText); ++i) {
+          str += StringPrintf("%x ", npevent->u.character.unmodifiedText[i]);
+      }
+      break;
+    case NPEventType_Minimize:
+    case NPEventType_Focus:
+    case NPEventType_Device:
+      break;
+    case NPEventType_Undefined:
+    default:
+      break;
+  }
+  addText(str.c_str());
+  return 0;
+}
+
+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;
+  }
+  strcpy(str, cstr);
+  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);
+}