Unrevert 58354, reland PPAPI with the instance test disabled.

webkit/glue/plugins/pepper_plugin_instance.cc

 // Copyright (c) 2010 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 "webkit/glue/plugins/pepper_plugin_instance.h"
 
 #include "base/logging.h"
 #include "base/histogram.h"
 #if defined(OS_MACOSX)
 #include "base/mac_util.h"
@@ skipping 15 matching lines @@
 #include "third_party/ppapi/c/dev/ppp_find_dev.h"
 #include "third_party/ppapi/c/dev/ppp_zoom_dev.h"
 #include "third_party/ppapi/c/pp_event.h"
 #include "third_party/ppapi/c/pp_instance.h"
 #include "third_party/ppapi/c/pp_rect.h"
 #include "third_party/ppapi/c/pp_resource.h"
 #include "third_party/ppapi/c/pp_var.h"
 #include "third_party/ppapi/c/ppb_core.h"
 #include "third_party/ppapi/c/ppb_instance.h"
 #include "third_party/ppapi/c/ppp_instance.h"
+#include "third_party/WebKit/WebKit/chromium/public/WebBindings.h"
 #include "third_party/WebKit/WebKit/chromium/public/WebCursorInfo.h"
 #include "third_party/WebKit/WebKit/chromium/public/WebDocument.h"
 #include "third_party/WebKit/WebKit/chromium/public/WebElement.h"
 #include "third_party/WebKit/WebKit/chromium/public/WebFrame.h"
 #include "third_party/WebKit/WebKit/chromium/public/WebInputEvent.h"
 #include "third_party/WebKit/WebKit/chromium/public/WebPluginContainer.h"
 #include "third_party/WebKit/WebKit/chromium/public/WebRect.h"
 #include "webkit/glue/plugins/pepper_buffer.h"
 #include "webkit/glue/plugins/pepper_graphics_2d.h"
 #include "webkit/glue/plugins/pepper_event_conversion.h"
 #include "webkit/glue/plugins/pepper_image_data.h"
 #include "webkit/glue/plugins/pepper_plugin_delegate.h"
 #include "webkit/glue/plugins/pepper_plugin_module.h"
 #include "webkit/glue/plugins/pepper_string.h"
 #include "webkit/glue/plugins/pepper_url_loader.h"
 #include "webkit/glue/plugins/pepper_var.h"
 
+using WebKit::WebBindings;
 using WebKit::WebCanvas;
 using WebKit::WebCursorInfo;
 using WebKit::WebFrame;
 using WebKit::WebInputEvent;
 using WebKit::WebPluginContainer;
 
 namespace pepper {
 
 #if defined(OS_WIN)
 // Exported by pdf.dll
@@ skipping 90 matching lines @@
   return instance->BindGraphics(device_id);
 }
 
 bool IsFullFrame(PP_Instance instance_id) {
   PluginInstance* instance = PluginInstance::FromPPInstance(instance_id);
   if (!instance)
     return false;
   return instance->full_frame();
 }
 
+PP_Var ExecuteScript(PP_Instance instance_id,
+                     PP_Var script,
+                     PP_Var* exception) {
+  PluginInstance* instance = PluginInstance::FromPPInstance(instance_id);
+  if (!instance)
+    return PP_MakeVoid();
+  return instance->ExecuteScript(script, exception);
+}
+
 const PPB_Instance ppb_instance = {
   &GetWindowObject,
   &GetOwnerElementObject,
   &BindGraphics,
   &IsFullFrame,
+  &ExecuteScript,
 };
 
 void NumberOfFindResultsChanged(PP_Instance instance_id,
                                 int32_t total,
                                 bool final_result) {
   PluginInstance* instance = PluginInstance::FromPPInstance(instance_id);
   if (!instance)
     return;
 
   DCHECK_NE(instance->find_identifier(), -1);
@@ skipping 141 matching lines @@
   }
 
   return true;
 }
 
 bool PluginInstance::SetCursor(PP_CursorType_Dev type) {
   cursor_.reset(new WebCursorInfo(static_cast<WebCursorInfo::Type>(type)));
   return true;
 }
 
+PP_Var PluginInstance::ExecuteScript(PP_Var script, PP_Var* exception) {
+  TryCatch try_catch(exception);
+  if (try_catch.HasException())
+    return PP_MakeVoid();
+
+  // Convert the script into an inconvenient NPString object.
+  String* script_string = GetString(script);
+  if (!script_string) {
+    try_catch.SetException("Script param to ExecuteScript must be a string.");
+    return PP_MakeVoid();
+  }
+  NPString np_script;
+  np_script.UTF8Characters = script_string->value().c_str();
+  np_script.UTF8Length = script_string->value().length();
+
+  // Get the current frame to pass to the evaluate function.
+  WebFrame* frame = container_->element().document().frame();
+  if (!frame) {
+    try_catch.SetException("No frame to execute script in.");
+    return PP_MakeVoid();
+  }
+
+  NPVariant result;
+  bool ok = WebBindings::evaluate(NULL, frame->windowObject(), &np_script,
+                                  &result);
+  if (!ok) {
+    // TODO(brettw) bug 54011: The TryCatch isn't working properly and
+    // doesn't actually catch this exception.
+    try_catch.SetException("Exception caught");
+    WebBindings::releaseVariantValue(&result);
+    return PP_MakeVoid();
+  }
+
+  PP_Var ret = NPVariantToPPVar(&result);
+  WebBindings::releaseVariantValue(&result);
+  return ret;
+}
+
 void PluginInstance::Delete() {
   instance_interface_->Delete(GetPPInstance());
 
   container_ = NULL;
 }
 
 bool PluginInstance::Initialize(WebPluginContainer* container,
                                 const std::vector<std::string>& arg_names,
                                 const std::vector<std::string>& arg_values,
                                 bool full_frame) {
@@ skipping 470 matching lines @@
   bounds.size.width = dest_rect.width();
   bounds.size.height = dest_rect.height();
 
   CGContextDrawImage(canvas, bounds, image);
   CGContextRestoreGState(canvas);
 }
 #endif  // defined(OS_MACOSX)
 
 
 }  // namespace pepper