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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/browser/ui/views/extensions/browser_action_drag_data.h"
#include "base/logging.h"
#include "base/pickle.h"
#include "base/strings/string_util.h"
#include "chrome/browser/profiles/profile.h"
#include "ui/base/clipboard/clipboard.h"
namespace {
// The MIME type for the clipboard format for BrowserActionDragData.
const char kClipboardFormatString[] = "chromium/x-browser-actions";
}
BrowserActionDragData::BrowserActionDragData()
: profile_(NULL), index_(static_cast<size_t>(-1)) {
}
BrowserActionDragData::BrowserActionDragData(
const std::string& id, int index)
: profile_(NULL), id_(id), index_(index) {
}
bool BrowserActionDragData::GetDropFormats(
std::set<ui::OSExchangeData::CustomFormat>* custom_formats) {
custom_formats->insert(GetBrowserActionCustomFormat());
return true;
}
bool BrowserActionDragData::AreDropTypesRequired() {
return true;
}
bool BrowserActionDragData::CanDrop(const ui::OSExchangeData& data,
const Profile* profile) {
BrowserActionDragData drop_data;
return drop_data.Read(data) && drop_data.IsFromProfile(profile);
}
bool BrowserActionDragData::IsFromProfile(const Profile* profile) const {
return profile_ == profile;
}
#if defined(TOOLKIT_VIEWS)
void BrowserActionDragData::Write(
Profile* profile, ui::OSExchangeData* data) const {
DCHECK(data);
base::Pickle data_pickle;
WriteToPickle(profile, &data_pickle);
data->SetPickledData(GetBrowserActionCustomFormat(), data_pickle);
}
bool BrowserActionDragData::Read(const ui::OSExchangeData& data) {
if (!data.HasCustomFormat(GetBrowserActionCustomFormat()))
return false;
base::Pickle drag_data_pickle;
if (!data.GetPickledData(GetBrowserActionCustomFormat(), &drag_data_pickle))
return false;
if (!ReadFromPickle(&drag_data_pickle))
return false;
return true;
}
// static
const ui::OSExchangeData::CustomFormat&
BrowserActionDragData::GetBrowserActionCustomFormat() {
CR_DEFINE_STATIC_LOCAL(
ui::OSExchangeData::CustomFormat,
format,
(ui::Clipboard::GetFormatType(kClipboardFormatString)));
return format;
}
#endif
void BrowserActionDragData::WriteToPickle(Profile* profile,
base::Pickle* pickle) const {
pickle->WriteBytes(&profile, sizeof(profile));
pickle->WriteString(id_);
pickle->WriteUInt64(index_);
}
bool BrowserActionDragData::ReadFromPickle(base::Pickle* pickle) {
base::PickleIterator data_iterator(*pickle);
const char* tmp;
if (!data_iterator.ReadBytes(&tmp, sizeof(profile_)))
return false;
memcpy(&profile_, tmp, sizeof(profile_));
if (!data_iterator.ReadString(&id_))
return false;
uint64 index;
if (!data_iterator.ReadUInt64(&index))
return false;
index_ = static_cast<size_t>(index);
return true;
}
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