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// 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 "chrome/renderer/extensions/runtime_custom_bindings.h"
#include "base/bind.h"
#include "base/memory/scoped_ptr.h"
#include "base/values.h"
#include "chrome/common/extensions/extension_messages.h"
#include "chrome/renderer/extensions/api_activity_logger.h"
#include "chrome/renderer/extensions/chrome_v8_context.h"
#include "chrome/renderer/extensions/dispatcher.h"
#include "chrome/renderer/extensions/extension_helper.h"
#include "content/public/renderer/render_view.h"
#include "content/public/renderer/v8_value_converter.h"
#include "extensions/common/extension.h"
#include "extensions/common/features/feature.h"
#include "extensions/common/features/feature_provider.h"
#include "extensions/common/manifest.h"
#include "third_party/WebKit/public/web/WebDocument.h"
#include "third_party/WebKit/public/web/WebFrame.h"
#include "third_party/WebKit/public/web/WebView.h"
using content::V8ValueConverter;
namespace extensions {
RuntimeCustomBindings::RuntimeCustomBindings(Dispatcher* dispatcher,
ChromeV8Context* context)
: ChromeV8Extension(dispatcher, context) {
RouteFunction("GetManifest",
base::Bind(&RuntimeCustomBindings::GetManifest,
base::Unretained(this)));
RouteFunction("OpenChannelToExtension",
base::Bind(&RuntimeCustomBindings::OpenChannelToExtension,
base::Unretained(this)));
RouteFunction("OpenChannelToNativeApp",
base::Bind(&RuntimeCustomBindings::OpenChannelToNativeApp,
base::Unretained(this)));
RouteFunction("GetExtensionViews",
base::Bind(&RuntimeCustomBindings::GetExtensionViews,
base::Unretained(this)));
}
RuntimeCustomBindings::~RuntimeCustomBindings() {}
void RuntimeCustomBindings::OpenChannelToExtension(
const v8::FunctionCallbackInfo<v8::Value>& args) {
// Get the current RenderView so that we can send a routed IPC message from
// the correct source.
content::RenderView* renderview = GetRenderView();
if (!renderview)
return;
// The Javascript code should validate/fill the arguments.
CHECK_EQ(args.Length(), 3);
CHECK(args[0]->IsString() && args[1]->IsString() && args[2]->IsBoolean());
ExtensionMsg_ExternalConnectionInfo info;
info.source_id = context()->GetExtensionID();
info.target_id = *v8::String::Utf8Value(args[0]->ToString());
info.source_url = context()->GetURL();
std::string channel_name = *v8::String::Utf8Value(args[1]->ToString());
bool include_tls_channel_id =
args.Length() > 2 ? args[2]->BooleanValue() : false;
int port_id = -1;
renderview->Send(new ExtensionHostMsg_OpenChannelToExtension(
renderview->GetRoutingID(), info, channel_name, include_tls_channel_id,
&port_id));
args.GetReturnValue().Set(static_cast<int32_t>(port_id));
}
void RuntimeCustomBindings::OpenChannelToNativeApp(
const v8::FunctionCallbackInfo<v8::Value>& args) {
// Verify that the extension has permission to use native messaging.
Feature::Availability availability =
FeatureProvider::GetPermissionFeatures()->
GetFeature("nativeMessaging")->IsAvailableToContext(
GetExtensionForRenderView(),
context()->context_type(),
context()->GetURL());
if (!availability.is_available())
return;
// Get the current RenderView so that we can send a routed IPC message from
// the correct source.
content::RenderView* renderview = GetRenderView();
if (!renderview)
return;
// The Javascript code should validate/fill the arguments.
CHECK(args.Length() >= 2 &&
args[0]->IsString() &&
args[1]->IsString());
std::string extension_id = *v8::String::Utf8Value(args[0]->ToString());
std::string native_app_name = *v8::String::Utf8Value(args[1]->ToString());
int port_id = -1;
renderview->Send(new ExtensionHostMsg_OpenChannelToNativeApp(
renderview->GetRoutingID(),
extension_id,
native_app_name,
&port_id));
args.GetReturnValue().Set(static_cast<int32_t>(port_id));
}
void RuntimeCustomBindings::GetManifest(
const v8::FunctionCallbackInfo<v8::Value>& args) {
CHECK(context()->extension());
scoped_ptr<V8ValueConverter> converter(V8ValueConverter::create());
args.GetReturnValue().Set(
converter->ToV8Value(context()->extension()->manifest()->value(),
context()->v8_context()));
}
void RuntimeCustomBindings::GetExtensionViews(
const v8::FunctionCallbackInfo<v8::Value>& args) {
if (args.Length() != 2)
return;
if (!args[0]->IsInt32() || !args[1]->IsString())
return;
// |browser_window_id| == extension_misc::kUnknownWindowId means getting
// all views for the current extension.
int browser_window_id = args[0]->Int32Value();
std::string view_type_string = *v8::String::Utf8Value(args[1]->ToString());
StringToUpperASCII(&view_type_string);
// |view_type| == VIEW_TYPE_INVALID means getting any type of
// views.
ViewType view_type = VIEW_TYPE_INVALID;
if (view_type_string == kViewTypeBackgroundPage) {
view_type = VIEW_TYPE_EXTENSION_BACKGROUND_PAGE;
} else if (view_type_string == kViewTypeInfobar) {
view_type = VIEW_TYPE_EXTENSION_INFOBAR;
} else if (view_type_string == kViewTypeNotification) {
view_type = VIEW_TYPE_NOTIFICATION;
} else if (view_type_string == kViewTypeTabContents) {
view_type = VIEW_TYPE_TAB_CONTENTS;
} else if (view_type_string == kViewTypePopup) {
view_type = VIEW_TYPE_EXTENSION_POPUP;
} else if (view_type_string == kViewTypeExtensionDialog) {
view_type = VIEW_TYPE_EXTENSION_DIALOG;
} else if (view_type_string == kViewTypeAppShell) {
view_type = VIEW_TYPE_APP_SHELL;
} else if (view_type_string == kViewTypePanel) {
view_type = VIEW_TYPE_PANEL;
} else if (view_type_string != kViewTypeAll) {
return;
}
std::string extension_id = context()->GetExtensionID();
if (extension_id.empty())
return;
std::vector<content::RenderView*> views = ExtensionHelper::GetExtensionViews(
extension_id, browser_window_id, view_type);
v8::Local<v8::Array> v8_views = v8::Array::New();
int v8_index = 0;
for (size_t i = 0; i < views.size(); ++i) {
v8::Local<v8::Context> context =
views[i]->GetWebView()->mainFrame()->mainWorldScriptContext();
if (!context.IsEmpty()) {
v8::Local<v8::Value> window = context->Global();
DCHECK(!window.IsEmpty());
v8_views->Set(v8::Integer::New(v8_index++), window);
}
}
args.GetReturnValue().Set(v8_views);
}
} // namespace extensions
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