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// Copyright 2014 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 "base/basictypes.h"
#include "mojo/public/cpp/application/application.h"
#include "mojo/services/navigation/navigation.mojom.h"
#include "mojo/services/public/cpp/view_manager/node.h"
#include "mojo/services/public/cpp/view_manager/view.h"
#include "mojo/services/public/cpp/view_manager/view_manager.h"
#include "mojo/services/public/cpp/view_manager/view_manager_delegate.h"
#include "mojo/services/public/cpp/view_manager/view_observer.h"
#include "mojo/services/public/interfaces/launcher/launcher.mojom.h"
#include "mojo/views/native_widget_view_manager.h"
#include "mojo/views/views_init.h"
#include "ui/views/controls/textfield/textfield.h"
#include "ui/views/controls/textfield/textfield_controller.h"
#include "ui/views/layout/layout_manager.h"
#include "ui/views/widget/widget.h"
#include "ui/views/widget/widget_delegate.h"
#include "url/gurl.h"
namespace mojo {
namespace examples {
class NodeView : public views::View {
public:
explicit NodeView(view_manager::Node* node) : node_(node) {
// This class is provisional and assumes that the node has already been
// added to a parent. I suspect we'll want to make an improved version of
// this that lives in ui/views akin to NativeViewHost that properly
// attaches/detaches when the view is.
DCHECK(node->parent());
}
virtual ~NodeView() {}
// Overridden from views::View:
virtual void OnBoundsChanged(const gfx::Rect& previous_bounds) OVERRIDE {
node_->SetBounds(ConvertRectToWidget(GetLocalBounds()));
}
private:
view_manager::Node* node_;
DISALLOW_COPY_AND_ASSIGN(NodeView);
};
class BrowserLayoutManager : public views::LayoutManager {
public:
BrowserLayoutManager() {}
virtual ~BrowserLayoutManager() {}
private:
// Overridden from views::LayoutManager:
virtual void Layout(views::View* host) OVERRIDE {
// Browser view has two children:
// 1. text input field.
// 2. content view.
DCHECK_EQ(2, host->child_count());
views::View* text_field = host->child_at(0);
gfx::Size ps = text_field->GetPreferredSize();
text_field->SetBoundsRect(gfx::Rect(host->width(), ps.height()));
views::View* content_area = host->child_at(1);
content_area->SetBounds(0, text_field->bounds().bottom(), host->width(),
host->height() - text_field->bounds().bottom());
}
virtual gfx::Size GetPreferredSize(const views::View* host) const OVERRIDE {
return gfx::Size();
}
DISALLOW_COPY_AND_ASSIGN(BrowserLayoutManager);
};
// This is the basics of creating a views widget with a textfield.
// TODO: cleanup!
class Browser : public Application,
public view_manager::ViewManagerDelegate,
public views::TextfieldController,
public InterfaceImpl<launcher::LauncherClient> {
public:
Browser() : view_manager_(NULL), view_(NULL), content_node_(NULL) {}
virtual ~Browser() {
}
private:
// Overridden from Application:
virtual void Initialize() MOJO_OVERRIDE {
views_init_.reset(new ViewsInit);
view_manager::ViewManager::Create(this, this);
ConnectTo("mojo:mojo_launcher", &launcher_);
launcher_.set_client(this);
}
void CreateWidget(const gfx::Size& size) {
views::Textfield* textfield = new views::Textfield;
textfield->set_controller(this);
views::WidgetDelegateView* widget_delegate = new views::WidgetDelegateView;
widget_delegate->GetContentsView()->AddChildView(textfield);
widget_delegate->GetContentsView()->AddChildView(
new NodeView(content_node_));
widget_delegate->GetContentsView()->SetLayoutManager(
new BrowserLayoutManager);
views::Widget* widget = new views::Widget;
views::Widget::InitParams params(views::Widget::InitParams::TYPE_WINDOW);
params.native_widget = new NativeWidgetViewManager(widget, view_);
params.delegate = widget_delegate;
params.bounds = gfx::Rect(size.width(), size.height());
widget->Init(params);
widget->Show();
textfield->RequestFocus();
}
// view_manager::ViewManagerDelegate:
virtual void OnRootAdded(view_manager::ViewManager* view_manager,
view_manager::Node* root) OVERRIDE {
// TODO: deal with OnRootAdded() being invoked multiple times.
view_manager_ = view_manager;
view_ = view_manager::View::Create(view_manager_);
view_manager_->GetRoots().front()->SetActiveView(view_);
content_node_ = view_manager::Node::Create(view_manager_);
root->AddChild(content_node_);
root->SetFocus();
CreateWidget(root->bounds().size());
}
// views::TextfieldController:
virtual bool HandleKeyEvent(views::Textfield* sender,
const ui::KeyEvent& key_event) OVERRIDE {
if (key_event.key_code() == ui::VKEY_RETURN) {
GURL url(sender->text());
printf("User entered this URL: %s\n", url.spec().c_str());
launcher_->Launch(url.spec());
}
return false;
}
// launcher::LauncherClient:
virtual void OnLaunch(
const String& handler_url,
navigation::ResponseDetailsPtr response_details) OVERRIDE {
content_node_->Embed(handler_url);
navigation::NavigationDetailsPtr navigation_details(
navigation::NavigationDetails::New());
navigation_details->url = response_details->response->url;
navigation::NavigatorPtr navigator;
ConnectTo(handler_url, &navigator);
navigator->Navigate(content_node_->id(),
navigation_details.Pass(),
response_details.Pass());
}
scoped_ptr<ViewsInit> views_init_;
view_manager::ViewManager* view_manager_;
view_manager::View* view_;
view_manager::Node* content_node_;
launcher::LauncherPtr launcher_;
DISALLOW_COPY_AND_ASSIGN(Browser);
};
} // namespace examples
// static
Application* Application::Create() {
return new examples::Browser;
}
} // namespace mojo
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