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// Copyright (c) 2013 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/common/extensions/api/extension_action/page_action_handler.h"
#include "base/strings/utf_string_conversions.h"
#include "base/values.h"
#include "chrome/common/extensions/extension.h"
#include "chrome/common/extensions/extension_constants.h"
#include "chrome/common/extensions/extension_file_util.h"
#include "extensions/common/manifest_constants.h"
#include "grit/generated_resources.h"
namespace extensions {
namespace keys = manifest_keys;
namespace errors = manifest_errors;
PageActionHandler::PageActionHandler() {
}
PageActionHandler::~PageActionHandler() {
}
bool PageActionHandler::Parse(Extension* extension, string16* error) {
scoped_ptr<ActionInfo> page_action_info;
const base::DictionaryValue* page_action_value = NULL;
if (extension->manifest()->HasKey(keys::kPageActions)) {
const base::ListValue* list_value = NULL;
if (!extension->manifest()->GetList(keys::kPageActions, &list_value)) {
*error = ASCIIToUTF16(errors::kInvalidPageActionsList);
return false;
}
size_t list_value_length = list_value->GetSize();
if (list_value_length == 0u) {
// A list with zero items is allowed, and is equivalent to not having
// a page_actions key in the manifest. Don't set |page_action_value|.
} else if (list_value_length == 1u) {
if (!list_value->GetDictionary(0, &page_action_value)) {
*error = ASCIIToUTF16(errors::kInvalidPageAction);
return false;
}
} else { // list_value_length > 1u.
*error = ASCIIToUTF16(errors::kInvalidPageActionsListSize);
return false;
}
} else if (extension->manifest()->HasKey(keys::kPageAction)) {
if (!extension->manifest()->GetDictionary(keys::kPageAction,
&page_action_value)) {
*error = ASCIIToUTF16(errors::kInvalidPageAction);
return false;
}
}
// An extension cannot have both browser and page actions.
if (extension->manifest()->HasKey(keys::kBrowserAction)) {
*error = ASCIIToUTF16(errors::kOneUISurfaceOnly);
return false;
}
// If page_action_value is not NULL, then there was a valid page action.
if (page_action_value) {
page_action_info = ActionInfo::Load(extension, page_action_value, error);
if (!page_action_info)
return false; // Failed to parse page action definition.
}
ActionInfo::SetPageActionInfo(extension, page_action_info.release());
return true;
}
bool PageActionHandler::Validate(const Extension* extension,
std::string* error,
std::vector<InstallWarning>* warnings) const {
const extensions::ActionInfo* action =
extensions::ActionInfo::GetPageActionInfo(extension);
if (action && !action->default_icon.empty() &&
!extension_file_util::ValidateExtensionIconSet(
action->default_icon,
extension,
IDS_EXTENSION_LOAD_ICON_FOR_PAGE_ACTION_FAILED,
error)) {
return false;
}
return true;
}
const std::vector<std::string> PageActionHandler::Keys() const {
std::vector<std::string> keys;
keys.push_back(keys::kPageAction);
keys.push_back(keys::kPageActions);
return keys;
}
} // namespace extensions
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