dali/internal/event/images/image-impl.cpp

   1 /*
   2  * Copyright (c) 2014 Samsung Electronics Co., Ltd.
   3  *
   4  * Licensed under the Apache License, Version 2.0 (the "License");
   5  * you may not use this file except in compliance with the License.
   6  * You may obtain a copy of the License at
   7  *
   8  * http://www.apache.org/licenses/LICENSE-2.0
   9  *
  10  * Unless required by applicable law or agreed to in writing, software
  11  * distributed under the License is distributed on an "AS IS" BASIS,
  12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13  * See the License for the specific language governing permissions and
  14  * limitations under the License.
  15  *
  16  */
  17
  18 // CLASS HEADER
  19 #include <dali/internal/event/images/image-impl.h>
  20
  21 // EXTERNAL INCLUDES
  22 #include <cstring> // for strcmp
  23
  24 // INTERNAL INCLUDES
  25 #include <dali/public-api/common/dali-common.h>
  26 #include <dali/public-api/object/type-registry.h>
  27
  28 #include <dali/integration-api/debug.h>
  29 #include <dali/internal/event/resources/resource-ticket.h>
  30 #include <dali/internal/event/common/thread-local-storage.h>
  31 #include <dali/internal/event/resources/resource-client.h>
  32 #include <dali/internal/event/common/stage-impl.h>
  33
  34 using namespace Dali::Integration;
  35
  36 namespace Dali
  37 {
  38
  39 namespace Internal
  40 {
  41
  42 namespace
  43 {
  44
  45 // Signals
  46
  47 const char* const SIGNAL_IMAGE_UPLOADED = "uploaded";
  48
  49 TypeRegistration mType( typeid( Dali::Image ), typeid( Dali::BaseHandle ), NULL );
  50
  51 Dali::SignalConnectorType signalConnector1( mType, SIGNAL_IMAGE_UPLOADED, &Image::DoConnectSignal );
  52
  53 }
  54
  55 bool Image::DoConnectSignal( BaseObject* object, ConnectionTrackerInterface* tracker, const std::string& signalName, FunctorDelegate* functor )
  56 {
  57   bool connected( true );
  58   DALI_ASSERT_DEBUG( dynamic_cast<Image*>( object ) && "Resource ticket not ImageTicket subclass for image resource.\n" );
  59   Image* image = static_cast<Image*>(object);
  60
  61   if( 0 == strcmp( signalName.c_str(), SIGNAL_IMAGE_UPLOADED ) )
  62   {
  63     image->UploadedSignal().Connect( tracker, functor );
  64   }
  65   else
  66   {
  67     // signalName does not match any signal
  68     connected = false;
  69   }
  70
  71   return connected;
  72 }
  73
  74 ResourceId Image::GetResourceId() const
  75 {
  76   ResourceId ret = mTicket ? mTicket->GetId() : 0;
  77
  78   return ret;
  79 }
  80
  81 void Image::ResourceLoadingFailed(const ResourceTicket& ticket)
  82 {
  83   // do nothing
  84 }
  85
  86 void Image::ResourceLoadingSucceeded(const ResourceTicket& ticket)
  87 {
  88   // do nothing
  89 }
  90
  91 void Image::ResourceUploaded(const ResourceTicket& ticket)
  92 {
  93   mUploaded.Emit( Dali::Image( this ) );
  94 }
  95
  96 unsigned int Image::GetWidth() const
  97 {
  98   return mWidth;
  99 }
 100
 101 unsigned int Image::GetHeight() const
 102 {
 103   return mHeight;
 104 }
 105
 106 Vector2 Image::GetNaturalSize() const
 107 {
 108   return Vector2( mWidth, mHeight );
 109 }
 110
 111 Image::Image()
 112 : mTexture(),
 113   mWidth( 0 ),
 114   mHeight( 0 ),
 115   mConnectionCount( 0 )
 116 {
 117 }
 118
 119 Image::~Image()
 120 {
 121   if( mTicket )
 122   {
 123     mTicket->RemoveObserver( *this );
 124     mTicket.Reset();
 125   }
 126
 127   if( Stage::IsInstalled() )
 128   {
 129     UnregisterObject();
 130   }
 131 }
 132
 133 void Image::Initialize()
 134 {
 135   RegisterObject();
 136 }
 137
 138 } // namespace Internal
 139
 140 } // namespace Dali