view.h
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#ifndef __DALI_DEMO_HELPER_VIEW_H__
#define __DALI_DEMO_HELPER_VIEW_H__
/*
* Copyright (c) 2014 Samsung Electronics Co., Ltd.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*/
#include <dali-toolkit/dali-toolkit.h>
#include <dali-toolkit/devel-api/controls/tool-bar/tool-bar.h>
namespace DemoHelper
{
/**
* Provide a style for the view and its tool bar.
*/
struct ViewStyle
{
ViewStyle( float toolBarButtonPercentage, float toolBarTitlePercentage, float toolBarHeight, float toolBarPadding )
: mToolBarButtonPercentage( toolBarButtonPercentage ),
mToolBarTitlePercentage( toolBarTitlePercentage ),
mToolBarHeight( toolBarHeight ),
mToolBarPadding( toolBarPadding )
{}
float mToolBarButtonPercentage; ///< The tool bar button width is a percentage of the tool bar width.
float mToolBarTitlePercentage; ///< The tool bar title width is a percentage of the tool bar width.
float mToolBarHeight; ///< The tool bar height (in pixels).
float mToolBarPadding; ///< The tool bar padding (in pixels)..
};
const ViewStyle DEFAULT_VIEW_STYLE( 0.1f, 0.7f, 80.f, 4.f );
const char* DEFAULT_TEXT_STYLE_FONT_FAMILY("HelveticaNue");
const float DEFAULT_TEXT_STYLE_POINT_SIZE( 8.0f );
const Dali::Toolkit::Alignment::Padding DEFAULT_PLAY_PADDING(12.0f, 12.0f, 12.0f, 12.0f);
const Dali::Toolkit::Alignment::Padding DEFAULT_MODE_SWITCH_PADDING(8.0f, 8.0f, 8.0f, 8.0f);
float ScalePointSize(int pointSize)
{
Dali::Vector2 dpi = Dali::Stage::GetCurrent().GetDpi();
float meanDpi = (dpi.height + dpi.width) * 0.5f;
return pointSize * 220.0f / meanDpi; // 220 is the default horizontal DPI defined in adaptor Application
}
Dali::Layer CreateToolbar( Dali::Toolkit::ToolBar& toolBar,
const std::string& toolbarImagePath,
const std::string& title,
const ViewStyle& style )
{
Dali::Stage stage = Dali::Stage::GetCurrent();
Dali::Layer toolBarLayer = Dali::Layer::New();
toolBarLayer.SetName( "TOOLBAR_LAYER" );
toolBarLayer.SetAnchorPoint( Dali::AnchorPoint::TOP_CENTER );
toolBarLayer.SetParentOrigin( Dali::ParentOrigin::TOP_CENTER );
toolBarLayer.SetResizePolicy( Dali::ResizePolicy::FILL_TO_PARENT, Dali::Dimension::WIDTH );
toolBarLayer.SetSize( 0.0f, style.mToolBarHeight );
// Raise tool bar layer to the top.
toolBarLayer.RaiseToTop();
// Tool bar
toolBar = Dali::Toolkit::ToolBar::New();
toolBar.SetName( "TOOLBAR" );
Dali::Property::Map background;
background["url"] = toolbarImagePath;
toolBar.SetProperty( Dali::Toolkit::Control::Property::BACKGROUND, background );
toolBar.SetParentOrigin( Dali::ParentOrigin::TOP_CENTER );
toolBar.SetAnchorPoint( Dali::AnchorPoint::TOP_CENTER );
toolBar.SetResizePolicy( Dali::ResizePolicy::FILL_TO_PARENT, Dali::Dimension::ALL_DIMENSIONS );
// Add the tool bar to the tool bar layer.
toolBarLayer.Add( toolBar );
// Tool bar text.
if( !title.empty() )
{
Dali::Toolkit::TextLabel label = Dali::Toolkit::TextLabel::New();
label.SetAnchorPoint( Dali::AnchorPoint::TOP_LEFT );
label.SetStyleName( "ToolbarLabel" );
label.SetProperty( Dali::Toolkit::TextLabel::Property::TEXT, title );
label.SetProperty( Dali::Toolkit::TextLabel::Property::HORIZONTAL_ALIGNMENT, "CENTER" );
label.SetProperty( Dali::Toolkit::TextLabel::Property::VERTICAL_ALIGNMENT, "CENTER" );
label.SetResizePolicy( Dali::ResizePolicy::FILL_TO_PARENT, Dali::Dimension::HEIGHT );
// Add title to the tool bar.
const float padding( style.mToolBarPadding );
toolBar.AddControl( label, style.mToolBarTitlePercentage, Dali::Toolkit::Alignment::HorizontalCenter, Dali::Toolkit::Alignment::Padding( padding, padding, padding, padding ) );
}
return toolBarLayer;
}
Dali::Layer CreateView( Dali::Application& application,
Dali::Toolkit::Control& view,
Dali::Toolkit::ToolBar& toolBar,
const std::string& backgroundImagePath,
const std::string& toolbarImagePath,
const std::string& title,
const ViewStyle& style = DEFAULT_VIEW_STYLE )
{
Dali::Stage stage = Dali::Stage::GetCurrent();
// Hide the indicator bar
application.GetWindow().ShowIndicator( Dali::Window::INVISIBLE );
// Create default View.
view = Dali::Toolkit::Control::New();
view.SetAnchorPoint( Dali::AnchorPoint::CENTER );
view.SetParentOrigin( Dali::ParentOrigin::CENTER );
view.SetResizePolicy( Dali::ResizePolicy::FILL_TO_PARENT, Dali::Dimension::ALL_DIMENSIONS );
// Add the view to the stage before setting the background.
stage.Add( view );
// Set background image, loading it at screen resolution:
if ( !backgroundImagePath.empty() )
{
Dali::Property::Map map;
map[Dali::Toolkit::Visual::Property::TYPE] = Dali::Toolkit::Visual::IMAGE;
map[Dali::Toolkit::ImageVisual::Property::URL] = backgroundImagePath;
map[Dali::Toolkit::ImageVisual::Property::DESIRED_WIDTH] = stage.GetSize().x;
map[Dali::Toolkit::ImageVisual::Property::DESIRED_HEIGHT] = stage.GetSize().y;
map[Dali::Toolkit::ImageVisual::Property::FITTING_MODE] = Dali::FittingMode::SCALE_TO_FILL;
map[Dali::Toolkit::ImageVisual::Property::SAMPLING_MODE] = Dali::SamplingMode::BOX_THEN_LINEAR;
map[Dali::Toolkit::ImageVisual::Property::SYNCHRONOUS_LOADING] = true;
view.SetProperty( Dali::Toolkit::Control::Property::BACKGROUND, map );
}
// FIXME
// Connects the orientation signal with the View::OrientationChanged method.
//application.GetOrientation().ChangedSignal().Connect( &view, &Dali::Toolkit::View::OrientationChanged );
// Create default ToolBar
Dali::Layer toolBarLayer = CreateToolbar( toolBar, toolbarImagePath, title, style );
// Add tool bar layer to the view.
view.Add( toolBarLayer );
// Create a content layer.
Dali::Layer contentLayer = Dali::Layer::New();
contentLayer.SetAnchorPoint( Dali::AnchorPoint::CENTER );
contentLayer.SetParentOrigin( Dali::ParentOrigin::CENTER );
contentLayer.SetResizePolicy( Dali::ResizePolicy::FILL_TO_PARENT, Dali::Dimension::ALL_DIMENSIONS );
view.Add( contentLayer );
contentLayer.LowerBelow( toolBarLayer );
return contentLayer;
}
Dali::Toolkit::TextLabel CreateToolBarLabel( const std::string& text )
{
Dali::Toolkit::TextLabel label = Dali::Toolkit::TextLabel::New( text );
label.SetStyleName( "ToolbarLabel" );
label.SetProperty( Dali::Toolkit::TextLabel::Property::HORIZONTAL_ALIGNMENT, "CENTER" );
label.SetProperty( Dali::Toolkit::TextLabel::Property::VERTICAL_ALIGNMENT, "CENTER" );
label.SetResizePolicy( Dali::ResizePolicy::FILL_TO_PARENT, Dali::Dimension::HEIGHT );
return label;
}
} // DemoHelper
#endif // __DALI_DEMO_HELPER_VIEW_H__