Browser Plugin: Remove dependency on NPAPI

content/renderer/browser_plugin/browser_plugin_bindings.cc

Index: content/renderer/browser_plugin/browser_plugin_bindings.cc
diff --git a/content/renderer/browser_plugin/browser_plugin_bindings.cc b/content/renderer/browser_plugin/browser_plugin_bindings.cc
deleted file mode 100644
index 46751d640b2288d2e6ca056c279f8ef07ec44675..0000000000000000000000000000000000000000
--- a/content/renderer/browser_plugin/browser_plugin_bindings.cc
+++ /dev/null
@@ -1,267 +0,0 @@
-// 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 <string>
-
-#include "content/common/browser_plugin/browser_plugin_constants.h"
-#include "content/renderer/browser_plugin/browser_plugin.h"
-#include "third_party/WebKit/public/web/WebBindings.h"
-#include "third_party/npapi/bindings/npapi.h"
-
-using blink::WebBindings;
-
-namespace content {
-
-namespace {
-
-BrowserPluginBindings* GetBindings(NPObject* object) {
-  return static_cast<BrowserPluginBindings::BrowserPluginNPObject*>(object)->
-      message_channel.get();
-}
-
-std::string StringFromNPVariant(const NPVariant& variant) {
-  if (!NPVARIANT_IS_STRING(variant))
-    return std::string();
-  const NPString& np_string = NPVARIANT_TO_STRING(variant);
-  return std::string(np_string.UTF8Characters, np_string.UTF8Length);
-}
-
-//------------------------------------------------------------------------------
-// Implementations of NPClass functions.  These are here to:
-// - Implement src attribute.
-//------------------------------------------------------------------------------
-NPObject* BrowserPluginBindingsAllocate(NPP npp, NPClass* the_class) {
-  return new BrowserPluginBindings::BrowserPluginNPObject;
-}
-
-void BrowserPluginBindingsDeallocate(NPObject* object) {
-  BrowserPluginBindings::BrowserPluginNPObject* instance =
-      static_cast<BrowserPluginBindings::BrowserPluginNPObject*>(object);
-  delete instance;
-}
-
-bool BrowserPluginBindingsHasMethod(NPObject* np_obj, NPIdentifier name) {
-  return false;
-}
-
-bool BrowserPluginBindingsInvokeDefault(NPObject* np_obj,
-                                        const NPVariant* args,
-                                        uint32 arg_count,
-                                        NPVariant* result) {
-  NOTIMPLEMENTED();
-  return false;
-}
-
-bool BrowserPluginBindingsHasProperty(NPObject* np_obj, NPIdentifier name) {
-  if (!np_obj)
-    return false;
-
-  BrowserPluginBindings* bindings = GetBindings(np_obj);
-  if (!bindings)
-    return false;
-
-  return bindings->HasProperty(name);
-}
-
-bool BrowserPluginBindingsGetProperty(NPObject* np_obj, NPIdentifier name,
-                                      NPVariant* result) {
-  if (!np_obj)
-    return false;
-
-  if (!result)
-    return false;
-
-  // All attributes from here on rely on the bindings, so retrieve it once and
-  // return on failure.
-  BrowserPluginBindings* bindings = GetBindings(np_obj);
-  if (!bindings)
-    return false;
-
-  return bindings->GetProperty(name, result);
-}
-
-bool BrowserPluginBindingsSetProperty(NPObject* np_obj, NPIdentifier name,
-                                      const NPVariant* variant) {
-  if (!np_obj)
-    return false;
-  if (!variant)
-    return false;
-
-  // All attributes from here on rely on the bindings, so retrieve it once and
-  // return on failure.
-  BrowserPluginBindings* bindings = GetBindings(np_obj);
-  if (!bindings)
-    return false;
-
-  if (variant->type == NPVariantType_Null)
-    return bindings->RemoveProperty(np_obj, name);
-
-  return bindings->SetProperty(np_obj, name, variant);
-}
-
-bool BrowserPluginBindingsEnumerate(NPObject *np_obj, NPIdentifier **value,
-                                    uint32_t *count) {
-  NOTIMPLEMENTED();
-  return true;
-}
-
-NPClass browser_plugin_message_class = {
-  NP_CLASS_STRUCT_VERSION,
-  &BrowserPluginBindingsAllocate,
-  &BrowserPluginBindingsDeallocate,
-  NULL,
-  &BrowserPluginBindingsHasMethod,
-  NULL,
-  &BrowserPluginBindingsInvokeDefault,
-  &BrowserPluginBindingsHasProperty,
-  &BrowserPluginBindingsGetProperty,
-  &BrowserPluginBindingsSetProperty,
-  NULL,
-  &BrowserPluginBindingsEnumerate,
-};
-
-}  // namespace
-
-// BrowserPluginPropertyBinding ------------------------------------------------
-
-class BrowserPluginPropertyBinding {
- public:
-  explicit BrowserPluginPropertyBinding(const char name[]) : name_(name) {}
-  virtual ~BrowserPluginPropertyBinding() {}
-  const std::string& name() const { return name_; }
-  bool MatchesName(NPIdentifier name) const {
-    return WebBindings::getStringIdentifier(name_.c_str()) == name;
-  }
-  virtual bool GetProperty(BrowserPluginBindings* bindings,
-                           NPVariant* result) = 0;
-  virtual bool SetProperty(BrowserPluginBindings* bindings,
-                           NPObject* np_obj,
-                           const NPVariant* variant) = 0;
-  virtual void RemoveProperty(BrowserPluginBindings* bindings,
-                              NPObject* np_obj) = 0;
-  // Updates the DOM Attribute value with the current property value.
-  void UpdateDOMAttribute(BrowserPluginBindings* bindings,
-                          std::string new_value) {
-    bindings->instance()->UpdateDOMAttribute(name(), new_value);
-  }
- private:
-  std::string name_;
-
-  DISALLOW_COPY_AND_ASSIGN(BrowserPluginPropertyBinding);
-};
-
-class BrowserPluginPropertyBindingAllowTransparency
-    : public BrowserPluginPropertyBinding {
- public:
-  BrowserPluginPropertyBindingAllowTransparency()
-      : BrowserPluginPropertyBinding(
-          browser_plugin::kAttributeAllowTransparency) {
-  }
-  virtual bool GetProperty(BrowserPluginBindings* bindings,
-                           NPVariant* result) OVERRIDE {
-    bool allow_transparency =
-        bindings->instance()->GetAllowTransparencyAttribute();
-    BOOLEAN_TO_NPVARIANT(allow_transparency, *result);
-    return true;
-  }
-  virtual bool SetProperty(BrowserPluginBindings* bindings,
-                           NPObject* np_obj,
-                           const NPVariant* variant) OVERRIDE {
-    std::string value = StringFromNPVariant(*variant);
-    if (!bindings->instance()->HasDOMAttribute(name())) {
-      UpdateDOMAttribute(bindings, value);
-      bindings->instance()->ParseAllowTransparencyAttribute();
-    } else {
-      UpdateDOMAttribute(bindings, value);
-    }
-    return true;
-  }
-  virtual void RemoveProperty(BrowserPluginBindings* bindings,
-                              NPObject* np_obj) OVERRIDE {
-    bindings->instance()->RemoveDOMAttribute(name());
-    bindings->instance()->ParseAllowTransparencyAttribute();
-  }
- private:
-  DISALLOW_COPY_AND_ASSIGN(BrowserPluginPropertyBindingAllowTransparency);
-};
-
-
-// BrowserPluginBindings ------------------------------------------------------
-
-BrowserPluginBindings::BrowserPluginNPObject::BrowserPluginNPObject() {
-}
-
-BrowserPluginBindings::BrowserPluginNPObject::~BrowserPluginNPObject() {
-}
-
-BrowserPluginBindings::BrowserPluginBindings(BrowserPlugin* instance)
-    : instance_(instance),
-      np_object_(NULL),
-      weak_ptr_factory_(this) {
-  NPObject* obj =
-      WebBindings::createObject(instance->pluginNPP(),
-                                &browser_plugin_message_class);
-  np_object_ = static_cast<BrowserPluginBindings::BrowserPluginNPObject*>(obj);
-  np_object_->message_channel = weak_ptr_factory_.GetWeakPtr();
-
-  property_bindings_.push_back(
-      new BrowserPluginPropertyBindingAllowTransparency);
-}
-
-BrowserPluginBindings::~BrowserPluginBindings() {
-  WebBindings::releaseObject(np_object_);
-}
-
-bool BrowserPluginBindings::HasProperty(NPIdentifier name) const {
-  for (PropertyBindingList::const_iterator iter = property_bindings_.begin();
-       iter != property_bindings_.end();
-       ++iter) {
-    if ((*iter)->MatchesName(name))
-      return true;
-  }
-  return false;
-}
-
-bool BrowserPluginBindings::SetProperty(NPObject* np_obj,
-                                        NPIdentifier name,
-                                        const NPVariant* variant) {
-  for (PropertyBindingList::iterator iter = property_bindings_.begin();
-       iter != property_bindings_.end();
-       ++iter) {
-    if ((*iter)->MatchesName(name)) {
-      if ((*iter)->SetProperty(this, np_obj, variant)) {
-        return true;
-      }
-      break;
-    }
-  }
-  return false;
-}
-
-bool BrowserPluginBindings::RemoveProperty(NPObject* np_obj,
-                                           NPIdentifier name) {
-  for (PropertyBindingList::iterator iter = property_bindings_.begin();
-       iter != property_bindings_.end();
-       ++iter) {
-    if ((*iter)->MatchesName(name)) {
-      (*iter)->RemoveProperty(this, np_obj);
-      return true;
-    }
-  }
-  return false;
-}
-
-bool BrowserPluginBindings::GetProperty(NPIdentifier name, NPVariant* result) {
-  for (PropertyBindingList::iterator iter = property_bindings_.begin();
-       iter != property_bindings_.end();
-       ++iter) {
-    if ((*iter)->MatchesName(name))
-      return (*iter)->GetProperty(this, result);
-  }
-  return false;
-}
-
-}  // namespace content