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// Copyright (c) 2011 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/plugins/ppapi/ppb_flash_clipboard_impl.h"
#include <algorithm>
#include <string>
#include "base/logging.h"
#include "base/memory/ref_counted.h"
#include "ppapi/c/pp_errors.h"
#include "ppapi/c/private/ppb_flash_clipboard.h"
#include "ppapi/shared_impl/var.h"
#include "third_party/WebKit/Source/WebKit/chromium/public/platform/WebClipboard.h"
#include "third_party/WebKit/Source/WebKit/chromium/public/platform/WebCString.h"
#include "third_party/WebKit/Source/WebKit/chromium/public/WebKit.h"
#include "third_party/WebKit/Source/WebKit/chromium/public/platform/WebKitPlatformSupport.h"
#include "third_party/WebKit/Source/WebKit/chromium/public/platform/WebString.h"
#include "webkit/plugins/ppapi/common.h"
#include "webkit/plugins/ppapi/host_globals.h"
#include "webkit/plugins/ppapi/plugin_module.h"
#include "webkit/plugins/ppapi/ppapi_plugin_instance.h"
using ppapi::StringVar;
namespace webkit {
namespace ppapi {
namespace {
const size_t kMaxClipboardWriteSize = 1000000;
WebKit::WebClipboard::Buffer ConvertClipboardType(
PP_Flash_Clipboard_Type type) {
switch (type) {
case PP_FLASH_CLIPBOARD_TYPE_STANDARD:
return WebKit::WebClipboard::BufferStandard;
case PP_FLASH_CLIPBOARD_TYPE_SELECTION:
return WebKit::WebClipboard::BufferSelection;
default:
NOTREACHED();
return WebKit::WebClipboard::BufferStandard;
}
}
WebKit::WebClipboard::Format ConvertClipboardFormat(
PP_Flash_Clipboard_Format format) {
switch (format) {
case PP_FLASH_CLIPBOARD_FORMAT_PLAINTEXT:
return WebKit::WebClipboard::FormatPlainText;
case PP_FLASH_CLIPBOARD_FORMAT_HTML:
return WebKit::WebClipboard::FormatHTML;
case PP_FLASH_CLIPBOARD_FORMAT_INVALID:
default:
NOTREACHED();
return WebKit::WebClipboard::FormatPlainText; // Gotta return something.
}
}
} // namespace
PPB_Flash_Clipboard_Impl::PPB_Flash_Clipboard_Impl(PluginInstance* instance)
: instance_(instance) {
}
PPB_Flash_Clipboard_Impl::~PPB_Flash_Clipboard_Impl() {
}
::ppapi::thunk::PPB_Flash_Clipboard_FunctionAPI*
PPB_Flash_Clipboard_Impl::AsPPB_Flash_Clipboard_FunctionAPI() {
return this;
}
PP_Bool PPB_Flash_Clipboard_Impl::IsFormatAvailable(
PP_Instance instance,
PP_Flash_Clipboard_Type clipboard_type,
PP_Flash_Clipboard_Format format) {
WebKit::WebClipboard* web_clipboard =
WebKit::webKitPlatformSupport()->clipboard();
if (!web_clipboard) {
NOTREACHED();
return PP_FALSE;
}
return BoolToPPBool(
web_clipboard->isFormatAvailable(ConvertClipboardFormat(format),
ConvertClipboardType(clipboard_type)));
}
PP_Var PPB_Flash_Clipboard_Impl::ReadPlainText(
PP_Instance instance,
PP_Flash_Clipboard_Type clipboard_type) {
WebKit::WebClipboard* web_clipboard =
WebKit::webKitPlatformSupport()->clipboard();
if (!web_clipboard) {
NOTREACHED();
return PP_MakeNull();
}
WebKit::WebCString s =
web_clipboard->readPlainText(ConvertClipboardType(clipboard_type)).utf8();
return StringVar::StringToPPVar(instance_->module()->pp_module(), s);
}
int32_t PPB_Flash_Clipboard_Impl::WritePlainText(
PP_Instance instance,
PP_Flash_Clipboard_Type clipboard_type,
const PP_Var& text) {
StringVar* text_string = StringVar::FromPPVar(text);
if (!text_string)
return PP_ERROR_BADARGUMENT;
if (text_string->value().length() > kMaxClipboardWriteSize)
return PP_ERROR_NOSPACE;
if (clipboard_type != PP_FLASH_CLIPBOARD_TYPE_STANDARD) {
NOTIMPLEMENTED();
return PP_ERROR_FAILED;
}
WebKit::WebClipboard* web_clipboard =
WebKit::webKitPlatformSupport()->clipboard();
if (!web_clipboard) {
NOTREACHED();
return PP_ERROR_FAILED;
}
web_clipboard->writePlainText(
WebKit::WebCString(text_string->value()).utf16());
return PP_OK;
}
} // namespace ppapi
} // namespace webkit
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