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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 "chrome/browser/ui/intents/intents_model.h"
#include "base/string_split.h"
#include "base/string_util.h"
#include "base/stringprintf.h"
#include "base/utf_string_conversions.h"
#include "chrome/browser/intents/web_intents_registry.h"
IntentsTreeNode::IntentsTreeNode()
: ui::TreeNode<IntentsTreeNode>(string16()),
type_(TYPE_ROOT) {}
IntentsTreeNode::IntentsTreeNode(const string16& title)
: ui::TreeNode<IntentsTreeNode>(title),
type_(TYPE_ORIGIN) {}
IntentsTreeNode::~IntentsTreeNode() {}
ServiceTreeNode::ServiceTreeNode(const string16& title)
: IntentsTreeNode(title, IntentsTreeNode::TYPE_SERVICE),
blocked_(false),
disabled_(false) {}
ServiceTreeNode::~ServiceTreeNode() {}
IntentsModel::IntentsModel(WebIntentsRegistry* intents_registry)
: ui::TreeNodeModel<IntentsTreeNode>(new IntentsTreeNode()),
intents_registry_(intents_registry),
batch_update_(0) {
LoadModel();
}
IntentsModel::~IntentsModel() {}
void IntentsModel::AddIntentsTreeObserver(Observer* observer) {
intents_observer_list_.AddObserver(observer);
// Call super so that TreeNodeModel can notify, too.
ui::TreeNodeModel<IntentsTreeNode>::AddObserver(observer);
}
void IntentsModel::RemoveIntentsTreeObserver(Observer* observer) {
intents_observer_list_.RemoveObserver(observer);
// Call super so that TreeNodeModel doesn't have dead pointers.
ui::TreeNodeModel<IntentsTreeNode>::RemoveObserver(observer);
}
string16 IntentsModel::GetTreeNodeId(IntentsTreeNode* node) {
if (node->Type() == IntentsTreeNode::TYPE_ORIGIN)
return node->GetTitle();
// TODO(gbillock): handle TYPE_SERVICE when/if we ever want to do
// specific managing of them.
return string16();
}
IntentsTreeNode* IntentsModel::GetTreeNode(std::string path_id) {
if (path_id.empty())
return GetRoot();
std::vector<std::string> node_ids;
base::SplitString(path_id, ',', &node_ids);
for (int i = 0; i < GetRoot()->child_count(); ++i) {
IntentsTreeNode* node = GetRoot()->GetChild(i);
if (UTF16ToUTF8(node->GetTitle()) == node_ids[0]) {
if (node_ids.size() == 1)
return node;
}
}
// TODO: support service nodes?
return NULL;
}
void IntentsModel::GetChildNodeList(IntentsTreeNode* parent,
int start, int count,
base::ListValue* nodes) {
for (int i = 0; i < count; ++i) {
base::DictionaryValue* dict = new base::DictionaryValue;
IntentsTreeNode* child = parent->GetChild(start + i);
GetIntentsTreeNodeDictionary(*child, dict);
nodes->Append(dict);
}
}
void IntentsModel::GetIntentsTreeNodeDictionary(const IntentsTreeNode& node,
base::DictionaryValue* dict) {
if (node.Type() == IntentsTreeNode::TYPE_ROOT) {
return;
}
if (node.Type() == IntentsTreeNode::TYPE_ORIGIN) {
dict->SetString("site", node.GetTitle());
dict->SetBoolean("hasChildren", node.child_count() > 0);
return;
}
if (node.Type() == IntentsTreeNode::TYPE_SERVICE) {
const ServiceTreeNode* snode = static_cast<const ServiceTreeNode*>(&node);
dict->SetString("site", snode->GetTitle());
dict->SetString("name", snode->ServiceName());
dict->SetString("url", snode->ServiceUrl());
dict->SetString("icon", snode->IconUrl());
dict->SetString("action", snode->Action());
dict->Set("types", snode->Types().DeepCopy());
dict->SetBoolean("blocked", snode->IsBlocked());
dict->SetBoolean("disabled", snode->IsDisabled());
return;
}
}
void IntentsModel::LoadModel() {
NotifyObserverBeginBatch();
intents_registry_->GetAllIntentProviders(this);
}
void IntentsModel::OnIntentsQueryDone(
WebIntentsRegistry::QueryID query_id,
const std::vector<WebIntentData>& intents) {
for (size_t i = 0; i < intents.size(); ++i) {
// Eventually do some awesome sorting, grouping, clustering stuff here.
// For now, just stick it in the model flat.
IntentsTreeNode* n = new IntentsTreeNode(ASCIIToUTF16(
intents[i].service_url.host()));
ServiceTreeNode* ns = new ServiceTreeNode(ASCIIToUTF16(
intents[i].service_url.host()));
ns->SetServiceName(intents[i].title);
ns->SetServiceUrl(ASCIIToUTF16(intents[i].service_url.spec()));
GURL icon_url = intents[i].service_url.GetOrigin().Resolve("/favicon.ico");
ns->SetIconUrl(ASCIIToUTF16(icon_url.spec()));
ns->SetAction(intents[i].action);
ns->AddType(intents[i].type);
// Won't generate a notification. OK for now as the next line will.
n->Add(ns, 0);
Add(GetRoot(), n, GetRoot()->child_count());
}
NotifyObserverEndBatch();
}
void IntentsModel::NotifyObserverBeginBatch() {
// Only notify the model once if we're batching in a nested manner.
if (batch_update_++ == 0) {
FOR_EACH_OBSERVER(Observer,
intents_observer_list_,
TreeModelBeginBatch(this));
}
}
void IntentsModel::NotifyObserverEndBatch() {
// Only notify the observers if this is the outermost call to EndBatch() if
// called in a nested manner.
if (--batch_update_ == 0) {
FOR_EACH_OBSERVER(Observer,
intents_observer_list_,
TreeModelEndBatch(this));
}
}
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