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| 1 // Copyright 2015 The Chromium Authors. All rights reserved. | |
| 2 // Use of this source code is governed by a BSD-style license that can be | |
| 3 // found in the LICENSE file. | |
| 4 | |
| 5 #include "components/webui_generator/view.h" | |
| 6 | |
| 7 #include "base/logging.h" | |
| 8 #include "base/memory/scoped_ptr.h" | |
| 9 #include "components/webui_generator/view_model.h" | |
| 10 | |
| 11 namespace webui_generator { | |
| 12 | |
| 13 View::View(const std::string& id) | |
| 14 : parent_(NULL), | |
| 15 id_(id), | |
| 16 ready_children_(0), | |
| 17 view_model_ready_(false), | |
| 18 ready_(false), | |
| 19 weak_factory_(this) { | |
| 20 } | |
| 21 | |
| 22 View::~View() { | |
| 23 } | |
| 24 | |
| 25 void View::Init() { | |
| 26 CreateAndAddChildren(); | |
| 27 | |
| 28 if (!IsRootView()) | |
| 29 path_ = parent_->path() + "$"; | |
| 30 | |
| 31 path_ += id_; | |
| 32 view_model_.reset(CreateViewModel()); | |
| 33 view_model_->SetView(this); | |
| 34 | |
| 35 for (auto& id_child : children_) | |
| 36 id_child.second->Init(); | |
| 37 | |
| 38 if (children_.empty()) | |
| 39 OnChildrenReady(); | |
| 40 } | |
| 41 | |
| 42 bool View::IsRootView() const { | |
| 43 return !parent_; | |
| 44 } | |
| 45 | |
| 46 ViewModel* View::GetViewModel() const { | |
| 47 return view_model_.get(); | |
| 48 } | |
| 49 | |
| 50 void View::OnViewModelReady() { | |
| 51 view_model_ready_ = true; | |
| 52 if (ready_children_ == static_cast<int>(children_.size())) | |
| 53 OnReady(); | |
| 54 } | |
| 55 | |
| 56 View* View::GetChild(const std::string& id) const { | |
| 57 auto it = children_.find(id); | |
| 58 if (it == children_.end()) | |
| 59 return nullptr; | |
| 60 | |
| 61 return it->second; | |
| 62 } | |
| 63 | |
| 64 void View::OnReady() { | |
| 65 if (ready_) | |
| 66 return; | |
| 67 | |
| 68 ready_ = true; | |
| 69 if (!IsRootView()) | |
| 70 parent_->OnChildReady(this); | |
| 71 } | |
| 72 | |
| 73 void View::UpdateContext(const base::DictionaryValue& diff) { | |
| 74 DCHECK(ready_); | |
| 75 view_model_->UpdateContext(diff); | |
| 76 } | |
| 77 | |
| 78 void View::HandleEvent(const std::string& event) { | |
| 79 DCHECK(ready_); | |
| 80 view_model_->OnEvent(event); | |
| 81 } | |
| 82 | |
| 83 void View::AddChild(View* child) { | |
| 84 DCHECK(children_.find(child->id()) == children_.end()); | |
| 85 DCHECK(!child->id().empty()); | |
| 86 children_.set(child->id(), make_scoped_ptr(child)); | |
| 87 child->set_parent(this); | |
| 88 } | |
| 89 | |
| 90 void View::OnChildReady(View* child) { | |
| 91 ++ready_children_; | |
| 92 if (ready_children_ == static_cast<int>(children_.size())) | |
| 93 OnChildrenReady(); | |
| 94 } | |
| 95 | |
| 96 void View::OnChildrenReady() { | |
| 97 view_model_->OnChildrenReady(); | |
| 98 if (view_model_ready_) | |
| 99 OnReady(); | |
| 100 } | |
| 101 | |
| 102 } // namespace webui_generator | |
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Chromium Code Reviews
Issue 1181703008:
Removed webui_generator and new OOBE UI placeholder. (Closed)
Base URL: https://chromium.googlesource.com/chromium/src.git@master