[dali_1.1.16] Merge branch 'devel/master'
[platform/core/uifw/dali-demo.git] / shared / view.h
1 #ifndef __DALI_DEMO_HELPER_VIEW_H__
2 #define __DALI_DEMO_HELPER_VIEW_H__
3
4 /*
5  * Copyright (c) 2014 Samsung Electronics Co., Ltd.
6  *
7  * Licensed under the Apache License, Version 2.0 (the "License");
8  * you may not use this file except in compliance with the License.
9  * You may obtain a copy of the License at
10  *
11  * http://www.apache.org/licenses/LICENSE-2.0
12  *
13  * Unless required by applicable law or agreed to in writing, software
14  * distributed under the License is distributed on an "AS IS" BASIS,
15  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
16  * See the License for the specific language governing permissions and
17  * limitations under the License.
18  *
19  */
20
21 #include <dali-toolkit/dali-toolkit.h>
22 #include <dali-toolkit/devel-api/controls/tool-bar/tool-bar.h>
23 #include <dali-toolkit/devel-api/styling/style-manager.h>
24
25
26 namespace DemoHelper
27 {
28
29 /**
30  * Provide a style for the view and its tool bar.
31  */
32 struct ViewStyle
33 {
34   ViewStyle( float toolBarButtonPercentage, float toolBarTitlePercentage, float toolBarHeight, float toolBarPadding )
35   : mToolBarButtonPercentage( toolBarButtonPercentage ),
36     mToolBarTitlePercentage( toolBarTitlePercentage ),
37     mToolBarHeight( toolBarHeight ),
38     mToolBarPadding( toolBarPadding )
39   {}
40
41   float mToolBarButtonPercentage; ///< The tool bar button width is a percentage of the tool bar width.
42   float mToolBarTitlePercentage;  ///< The tool bar title width is a percentage of the tool bar width.
43   float mToolBarHeight;           ///< The tool bar height (in pixels).
44   float mToolBarPadding;          ///< The tool bar padding (in pixels)..
45 };
46
47 const ViewStyle DEFAULT_VIEW_STYLE( 0.1f, 0.7f, 80.f, 4.f );
48
49 const char*                   DEFAULT_TEXT_STYLE_FONT_FAMILY("HelveticaNue");
50 const char*                   DEFAULT_TEXT_STYLE_FONT_STYLE("Regular");
51 const float                   DEFAULT_TEXT_STYLE_POINT_SIZE( 8.0f );
52
53 const Dali::Toolkit::Alignment::Padding DEFAULT_PLAY_PADDING(12.0f, 12.0f, 12.0f, 12.0f);
54 const Dali::Toolkit::Alignment::Padding DEFAULT_MODE_SWITCH_PADDING(8.0f, 8.0f, 8.0f, 8.0f);
55
56 float ScalePointSize(int pointSize)
57 {
58   Dali::Vector2 dpi = Dali::Stage::GetCurrent().GetDpi();
59   float meanDpi = (dpi.height + dpi.width) * 0.5f;
60   return pointSize * 220.0f / meanDpi;        // 220 is the default horizontal DPI defined in adaptor Application
61 }
62
63 Dali::Layer CreateToolbar( Dali::Toolkit::ToolBar& toolBar,
64                            const std::string& toolbarImagePath,
65                            const std::string& title,
66                            const ViewStyle& style )
67 {
68   Dali::Stage stage = Dali::Stage::GetCurrent();
69
70   Dali::Layer toolBarLayer = Dali::Layer::New();
71   toolBarLayer.SetName( "TOOLBAR_LAYER" );
72   toolBarLayer.SetAnchorPoint( Dali::AnchorPoint::TOP_CENTER );
73   toolBarLayer.SetParentOrigin( Dali::ParentOrigin::TOP_CENTER );
74   toolBarLayer.SetResizePolicy( Dali::ResizePolicy::FILL_TO_PARENT, Dali::Dimension::WIDTH );
75   toolBarLayer.SetSize( 0.0f, style.mToolBarHeight );
76
77   // Raise tool bar layer to the top.
78   toolBarLayer.RaiseToTop();
79
80   // Tool bar
81   Dali::Image image = Dali::ResourceImage::New( toolbarImagePath );
82   toolBar = Dali::Toolkit::ToolBar::New();
83   toolBar.SetName( "TOOLBAR" );
84   toolBar.SetBackgroundImage( image );
85   toolBar.SetParentOrigin( Dali::ParentOrigin::TOP_CENTER );
86   toolBar.SetAnchorPoint( Dali::AnchorPoint::TOP_CENTER );
87   toolBar.SetResizePolicy( Dali::ResizePolicy::FILL_TO_PARENT, Dali::Dimension::ALL_DIMENSIONS );
88
89   // Add the tool bar to the too bar layer.
90   toolBarLayer.Add( toolBar );
91
92   // Tool bar text.
93   if( !title.empty() )
94   {
95     Dali::Toolkit::TextLabel label = Dali::Toolkit::TextLabel::New();
96     label.SetAnchorPoint( Dali::AnchorPoint::TOP_LEFT );
97     label.SetProperty( Dali::Toolkit::Control::Property::STYLE_NAME, "toolbarlabel" );
98     label.SetProperty( Dali::Toolkit::TextLabel::Property::TEXT, title );
99     label.SetProperty( Dali::Toolkit::TextLabel::Property::HORIZONTAL_ALIGNMENT, "CENTER" );
100     label.SetProperty( Dali::Toolkit::TextLabel::Property::VERTICAL_ALIGNMENT, "CENTER" );
101     label.SetResizePolicy( Dali::ResizePolicy::FILL_TO_PARENT, Dali::Dimension::HEIGHT );
102
103     // Add title to the tool bar.
104     const float padding( style.mToolBarPadding );
105     toolBar.AddControl( label, style.mToolBarTitlePercentage, Dali::Toolkit::Alignment::HorizontalCenter, Dali::Toolkit::Alignment::Padding( padding, padding, padding, padding ) );
106   }
107
108   return toolBarLayer;
109 }
110
111 Dali::Layer CreateView( Dali::Application& application,
112                         Dali::Toolkit::Control& view,
113                         Dali::Toolkit::ToolBar& toolBar,
114                         const std::string& backgroundImagePath,
115                         const std::string& toolbarImagePath,
116                         const std::string& title,
117                         const ViewStyle& style = DEFAULT_VIEW_STYLE )
118 {
119   Dali::Stage stage = Dali::Stage::GetCurrent();
120
121   // Create default View.
122   view = Dali::Toolkit::Control::New();
123   view.SetAnchorPoint( Dali::AnchorPoint::CENTER );
124   view.SetParentOrigin( Dali::ParentOrigin::CENTER );
125   view.SetResizePolicy( Dali::ResizePolicy::FILL_TO_PARENT, Dali::Dimension::ALL_DIMENSIONS );
126
127   // Add the view to the stage before setting the background.
128   stage.Add( view );
129
130   // Set background image, loading it at screen resolution:
131   if ( !backgroundImagePath.empty() )
132   {
133     Dali::Image backgroundImage = Dali::ResourceImage::New( backgroundImagePath, Dali::ImageDimensions( stage.GetSize().x, stage.GetSize().y ), Dali::FittingMode::SCALE_TO_FILL, Dali::SamplingMode::BOX_THEN_LINEAR );
134     view.SetBackgroundImage( backgroundImage );
135   }
136
137   // FIXME
138   // Connects the orientation signal with the View::OrientationChanged method.
139   //application.GetOrientation().ChangedSignal().Connect( &view, &Dali::Toolkit::View::OrientationChanged );
140
141   // Create default ToolBar
142   Dali::Layer toolBarLayer = CreateToolbar( toolBar, toolbarImagePath, title, style );
143
144   // Add tool bar layer to the view.
145   view.Add( toolBarLayer );
146
147   // Create a content layer.
148   Dali::Layer contentLayer = Dali::Layer::New();
149   contentLayer.SetAnchorPoint( Dali::AnchorPoint::CENTER );
150   contentLayer.SetParentOrigin( Dali::ParentOrigin::CENTER );
151   contentLayer.SetResizePolicy( Dali::ResizePolicy::FILL_TO_PARENT, Dali::Dimension::ALL_DIMENSIONS );
152   view.Add( contentLayer );
153   contentLayer.LowerBelow( toolBarLayer );
154
155   return contentLayer;
156 }
157
158 Dali::Toolkit::TextLabel CreateToolBarLabel( const std::string& text )
159 {
160   Dali::Toolkit::TextLabel label = Dali::Toolkit::TextLabel::New( text );
161   label.SetProperty( Dali::Toolkit::Control::Property::STYLE_NAME, "toolbarlabel" );
162   label.SetProperty( Dali::Toolkit::TextLabel::Property::HORIZONTAL_ALIGNMENT, "CENTER" );
163   label.SetProperty( Dali::Toolkit::TextLabel::Property::VERTICAL_ALIGNMENT, "CENTER" );
164   label.SetResizePolicy( Dali::ResizePolicy::FILL_TO_PARENT, Dali::Dimension::HEIGHT );
165
166   return label;
167 }
168
169 } // DemoHelper
170
171 #endif // __DALI_DEMO_HELPER_VIEW_H__