browser-plugin: Remove event handling code, and use CustomEvents in webkit instead.

content/renderer/browser_plugin/browser_plugin_bindings.cc

 // 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/browser_plugin/browser_plugin_bindings.h"
 
 #include <cstdlib>
 #include <string>
 
 #include "base/bind.h"
@@ skipping 341 matching lines @@
                       const NPVariant* args,
                       NPVariant* result) = 0;
 
  private:
   std::string name_;
   uint32 arg_count_;
 
   DISALLOW_COPY_AND_ASSIGN(BrowserPluginMethodBinding);
 };
 
-class BrowserPluginBindingAddListener : public BrowserPluginMethodBinding {
- public:
-  BrowserPluginBindingAddListener()
-      : BrowserPluginMethodBinding(kAddEventListener, 2) {
-  }
-
-  virtual bool Invoke(BrowserPluginBindings* bindings,
-                      const NPVariant* args,
-                      NPVariant* result) OVERRIDE {
-    std::string event_name = StringFromNPVariant(args[0]);
-    if (event_name.empty())
-      return false;
-
-    v8::Local<v8::Value> value =
-        v8::Local<v8::Value>::New(WebBindings::toV8Value(&args[1]));
-    if (value.IsEmpty() || !value->IsFunction())
-      return false;
-
-    v8::Local<v8::Function> function = v8::Local<v8::Function>::Cast(value);
-    BOOLEAN_TO_NPVARIANT(
-        bindings->instance()->AddEventListener(event_name, function), *result);
-    return true;
-  }
-
- private:
-  DISALLOW_COPY_AND_ASSIGN(BrowserPluginBindingAddListener);
-};
-
 class BrowserPluginBindingBack : public BrowserPluginMethodBinding {
  public:
   BrowserPluginBindingBack()
       : BrowserPluginMethodBinding(kBackMethod, 0) {
   }
 
   virtual bool Invoke(BrowserPluginBindings* bindings,
                       const NPVariant* args,
                       NPVariant* result) OVERRIDE {
     bindings->instance()->Back();
@@ skipping 100 matching lines @@
                       const NPVariant* args,
                       NPVariant* result) OVERRIDE {
     bindings->instance()->Reload();
     return true;
   }
 
  private:
   DISALLOW_COPY_AND_ASSIGN(BrowserPluginBindingReload);
 };
 
-class BrowserPluginBindingRemoveListener : public BrowserPluginMethodBinding {
- public:
-  BrowserPluginBindingRemoveListener()
-      : BrowserPluginMethodBinding(kRemoveEventListener, 2) {
-  }
-
-  virtual bool Invoke(BrowserPluginBindings* bindings,
-                      const NPVariant* args,
-                      NPVariant* result) OVERRIDE {
-    std::string event_name = StringFromNPVariant(args[0]);
-    if (event_name.empty())
-      return false;
-
-    v8::Local<v8::Value> value =
-        v8::Local<v8::Value>::New(WebBindings::toV8Value(&args[1]));
-
-    if (value.IsEmpty() || !value->IsFunction())
-      return false;
-
-    v8::Local<v8::Function> function = v8::Local<v8::Function>::Cast(value);
-    BOOLEAN_TO_NPVARIANT(
-        bindings->instance()->RemoveEventListener(event_name, function),
-        *result);
-    return true;
-  }
-
- private:
-  DISALLOW_COPY_AND_ASSIGN(BrowserPluginBindingRemoveListener);
-};
-
 class BrowserPluginBindingStop : public BrowserPluginMethodBinding {
  public:
   BrowserPluginBindingStop()
       : BrowserPluginMethodBinding(kStopMethod, 0) {
   }
 
   virtual bool Invoke(BrowserPluginBindings* bindings,
                       const NPVariant* args,
                       NPVariant* result) OVERRIDE {
     bindings->instance()->Stop();
@@ skipping 31 matching lines @@
 
 BrowserPluginBindings::BrowserPluginBindings(BrowserPlugin* instance)
     : instance_(instance),
       np_object_(NULL),
       ALLOW_THIS_IN_INITIALIZER_LIST(weak_ptr_factory_(this)) {
   NPObject* obj =
       WebBindings::createObject(NULL, &browser_plugin_message_class);
   np_object_ = static_cast<BrowserPluginBindings::BrowserPluginNPObject*>(obj);
   np_object_->message_channel = weak_ptr_factory_.GetWeakPtr();
 
-  method_bindings_.push_back(new BrowserPluginBindingAddListener);
   method_bindings_.push_back(new BrowserPluginBindingBack);
   method_bindings_.push_back(new BrowserPluginBindingCanGoBack);
   method_bindings_.push_back(new BrowserPluginBindingCanGoForward);
   method_bindings_.push_back(new BrowserPluginBindingForward);
   method_bindings_.push_back(new BrowserPluginBindingGetProcessID);
   method_bindings_.push_back(new BrowserPluginBindingGo);
   method_bindings_.push_back(new BrowserPluginBindingReload);
-  method_bindings_.push_back(new BrowserPluginBindingRemoveListener);
   method_bindings_.push_back(new BrowserPluginBindingStop);
   method_bindings_.push_back(new BrowserPluginBindingTerminate);
 }
 
 BrowserPluginBindings::~BrowserPluginBindings() {
   WebBindings::releaseObject(np_object_);
 }
 
 bool BrowserPluginBindings::HasMethod(NPIdentifier name) const {
   for (BindingList::const_iterator iter = method_bindings_.begin();
@@ skipping 12 matching lines @@
   for (BindingList::iterator iter = method_bindings_.begin();
        iter != method_bindings_.end();
        ++iter) {
     if ((*iter)->MatchesName(name) && (*iter)->arg_count() == arg_count)
       return (*iter)->Invoke(this, args, result);
   }
   return false;
 }
 
 }  // namespace content