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1 // Copyright (c) 2006-2009 Nokia Corporation and/or its subsidiary(-ies). |
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2 // All rights reserved. |
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3 // This component and the accompanying materials are made available |
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4 // under the terms of "Eclipse Public License v1.0" |
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5 // which accompanies this distribution, and is available |
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6 // at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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7 // |
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8 // Initial Contributors: |
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9 // Nokia Corporation - initial contribution. |
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10 // |
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11 // Contributors: |
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12 // |
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13 // Description: |
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14 // GFXTRANSEFFECT.CPP |
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15 // |
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16 // |
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17 |
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18 #include "TransitionParticipant.h" |
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19 #include <graphics/remotegc.h> |
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20 |
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21 //---------------- |
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22 // Utility function |
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23 //---------------- |
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24 //#define RECURSIVE_GC_SETTING |
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25 |
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26 #ifdef RECURSIVE_GC_SETTING |
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27 |
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28 void DrawControl(const CCoeControl *aControl, CTransitionParticipant::TCaptureType aCaptureType, CRemoteGc* aGc) |
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29 { |
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30 const TRect rect = aControl->Rect(); |
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31 if(aControl->Background()) |
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32 { |
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33 aControl->DrawBackground(rect); |
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34 } |
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35 aControl->DrawForeground(rect); |
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36 if(aCaptureType == CTransitionParticipant::EDeep) |
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37 { |
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38 |
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39 TInt count = aControl->CountComponentControls(); |
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40 for(TInt i = 0 ; i < count; i++) |
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41 { |
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42 CCoeControl *child = aControl->ComponentControl(i); |
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43 if(child->OwnsWindow()) |
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44 child->SetGc(aGc); //Set gc for each WO child control. |
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45 //Is it correct to check if windowowning? maybe not... :) |
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46 if(child->IsVisible()/* && !child->OwnsWindow()*/) |
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47 { |
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48 DrawControl(child, aCaptureType, aGc); |
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49 } |
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50 } |
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51 } |
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52 } |
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53 |
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54 #else |
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55 void DrawControl(const CCoeControl *aControl, CTransitionParticipant::TCaptureType aCaptureType) |
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56 { |
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57 const TRect rect = aControl->Rect(); |
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58 if(aControl->Background()) |
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59 { |
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60 aControl->DrawBackground(rect); |
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61 } |
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62 aControl->DrawForeground(rect); |
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63 if(aCaptureType == CTransitionParticipant::EDeep) |
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64 { |
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65 |
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66 TInt count = aControl->CountComponentControls(); |
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67 for(TInt i = 0 ; i < count; i++) |
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68 { |
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69 CCoeControl *child = aControl->ComponentControl(i); |
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70 //Is it correct to check if windowowning? |
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71 if(child->IsVisible() && !child->OwnsWindow()) |
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72 { |
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73 DrawControl(child, aCaptureType); |
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74 } |
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75 } |
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76 } |
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77 } |
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78 #endif |
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79 |
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80 void ResetRemoteGc(const CCoeControl* aControl) |
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81 { |
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82 aControl->SetGc(NULL); |
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83 #ifdef RECURSIVE_GC_SETTING |
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84 for(TInt i = aControl->CountComponentControls() - 1; i >= 0; i--) |
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85 { |
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86 ResetRemoteGc(aControl->ComponentControl(i)); |
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87 } |
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88 #endif |
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89 } |
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90 |
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91 |
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92 |
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93 TInt DrawUptoControlRec(CWindowGc& aGc, const CCoeControl* aCurrent, const TRect& aRect,const CCoeControl* aUpto) |
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94 { |
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95 TInt err = KErrNone; |
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96 if(aCurrent != aUpto) |
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97 { |
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98 CWindowGc* oldGc = aCurrent->GetGc(); |
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99 err = aCurrent->SetGc(&aGc); |
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100 if(!err) |
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101 { |
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102 if(aCurrent->Background()) |
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103 { |
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104 //if we have a background, draw it |
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105 aCurrent->DrawBackground(aRect); |
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106 } |
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107 else if(aCurrent->OwnsWindow()) |
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108 { |
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109 // try to find background |
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110 const CCoeControl* bgOwningParent = aCurrent; |
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111 do |
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112 { |
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113 if(const MCoeControlBackground* bg = bgOwningParent->Background()) |
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114 { |
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115 bg->Draw(aGc,*aCurrent,aRect); |
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116 break; // mission complete |
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117 } |
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118 bgOwningParent = bgOwningParent->Parent(); |
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119 } while(bgOwningParent); |
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120 } |
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121 //draw foreground |
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122 aCurrent->DrawForeground(aRect); |
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123 |
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124 // draw component controls |
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125 for(TInt i=0; (i < aCurrent->CountComponentControls()) && !err; i++) |
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126 { |
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127 const CCoeControl* child = aCurrent->ComponentControl(i); |
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128 if(child->IsVisible() && !child->OwnsWindow()) |
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129 { |
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130 TRect childRect = child->Rect(); |
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131 if(childRect.Intersects(aRect)) |
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132 { |
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133 childRect.Intersection(aRect); |
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134 err = DrawUptoControlRec(aGc,child,childRect,aUpto); |
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135 } |
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136 } |
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137 } |
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138 //set back the old gc |
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139 err = const_cast<CCoeControl*>(aCurrent)->SetGc(oldGc); |
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140 } |
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141 } |
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142 return err; |
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143 } |
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144 |
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145 TInt DrawUptoControl(CWindowGc& aGc,const CCoeControl* aControl) |
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146 { |
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147 const CCoeControl* aWindowOwningParent = aControl; |
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148 //find the windowowing parent |
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149 while(!aWindowOwningParent->OwnsWindow() && aWindowOwningParent->Parent()) |
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150 { |
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151 aWindowOwningParent = aWindowOwningParent->Parent(); |
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152 } |
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153 return DrawUptoControlRec(aGc, aWindowOwningParent, aControl->Rect(), aControl); |
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154 } |
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155 |
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156 |
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157 |
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158 //---------------- |
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159 // Construct/Destruct |
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160 //---------------- |
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161 CTransitionParticipant *CTransitionParticipant::New(const CCoeControl *aKey, |
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162 CTransitionControl *aTransControl, |
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163 TUint aFlags) |
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164 { |
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165 CTransitionParticipant *participant = new CTransitionParticipant(aTransControl); |
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166 if(!participant) |
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167 { |
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168 return NULL; |
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169 } |
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170 if(NULL == (participant->iData = new CParticipantData())) |
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171 { |
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172 delete participant; |
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173 return NULL; |
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174 } |
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175 participant->iData->iKey = aKey; |
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176 participant->iData->iBeginZ = -1; |
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177 participant->iData->iEndZ = -1; |
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178 participant->iData->iBeginCapture = 0; |
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179 participant->iData->iEndCapture = 0; |
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180 participant->iData->iLayerType = TUid::Uid(0); |
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181 participant->iData->iFlags = aFlags; |
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182 //create remote gc |
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183 TRAPD(err, participant->iRemoteGc = CRemoteGc::NewL(aTransControl->ScreenDevice())); |
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184 if(err < KErrNone || !(participant->iRemoteGc)) |
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185 { |
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186 delete participant; |
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187 return NULL; |
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188 } |
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189 participant->iRemoteGc->SetCommandBufferObserver(participant); |
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190 |
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191 return participant; |
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192 } |
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193 |
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194 CTransitionParticipant::CTransitionParticipant(CTransitionControl *aTransControl) |
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195 { |
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196 iTransControl = aTransControl; |
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197 iInvalidated = EFalse; |
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198 iCaptureState = ENoCapture; |
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199 iCaptureEndCalled = EFalse; |
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200 iCoordRefBegin = CTransitionParticipant::EWindowOwning; |
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201 iCoordRefEnd = CTransitionParticipant::EWindowOwning; |
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202 } |
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203 |
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204 CTransitionParticipant::~CTransitionParticipant() |
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205 { |
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206 if(iData) |
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207 { |
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208 ResetRemoteGc(Control()); |
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209 delete iData; |
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210 } |
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211 |
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212 if(iRemoteGc) |
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213 { |
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214 delete iRemoteGc; |
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215 } |
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216 } |
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217 |
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218 |
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219 //---------------- |
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220 // Capture |
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221 //---------------- |
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222 TInt CTransitionParticipant::CaptureBegin(const CCoeControl *aControl, TCaptureType aCaptureType, TInt aZDepth) |
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223 { |
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224 if(iTransControl->Policy() == ESupported) |
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225 { |
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226 //capture begin |
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227 iRemoteGc->ResetCommandBuffer(); |
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228 if(KErrNone != aControl->SetGc(iRemoteGc)) |
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229 { |
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230 return KErrAbort; |
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231 } |
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232 iCapturedGc = ETrue; |
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233 iInCapture = ETrue; |
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234 iRemoteGc->BeginDraw(aControl->Rect()); |
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235 #ifdef RECURSIVE_GC_SETTING |
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236 DrawControl(aControl, aCaptureType, iRemoteGc); |
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237 #else |
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238 DrawControl(aControl, aCaptureType); |
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239 #endif |
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240 iRemoteGc->EndDraw(); |
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241 iInCapture = EFalse; |
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242 if(NULL == (iData->iBeginCapture = new RWsGraphicMsgBuf())) |
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243 { |
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244 ResetRemoteGc(Control()); |
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245 return KErrAbort; |
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246 } |
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247 |
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248 TRAPD(err, iRemoteGc->ExternalizeL(*(iData->iBeginCapture), ETrue)); |
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249 if(err < KErrNone) |
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250 { |
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251 ResetRemoteGc(Control()); |
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252 return err; |
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253 } |
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254 |
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255 iRemoteGc->ResetCommandBuffer(); |
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256 |
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257 } |
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258 |
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259 //capture begin rect |
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260 iData->iBeginRect = aControl->Rect(); |
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261 iCaptureState = (TCaptureState)(iCaptureState | EBeginCapture); |
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262 //set z depth |
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263 iData->iBeginZ = aZDepth; |
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264 return KErrNone; |
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265 } |
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266 |
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267 TInt CTransitionParticipant::CaptureEnd(const CCoeControl *aControl, TCaptureType aCaptureType, TInt aZDepth) |
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268 { |
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269 if(iTransControl->Policy() == ESupported) |
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270 { |
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271 // check if we need to capture image |
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272 if(!HaveImageCapture() || Invalidated()) |
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273 { |
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274 // Capture End image |
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275 iRemoteGc->ResetCommandBuffer(); |
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276 if(KErrNone != aControl->SetGc(iRemoteGc)) |
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277 { |
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278 return KErrAbort; |
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279 } |
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280 iCapturedGc = ETrue; |
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281 iInCapture = ETrue; |
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282 iRemoteGc->BeginDraw(aControl->Rect()); |
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283 #ifdef RECURSIVE_GC_SETTING |
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284 DrawControl(aControl, aCaptureType, iRemoteGc); |
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285 #else |
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286 DrawControl(aControl, aCaptureType); |
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287 #endif |
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288 iRemoteGc->EndDraw(); |
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289 iInCapture = EFalse; |
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290 if(NULL == (iData->iEndCapture = new RWsGraphicMsgBuf())) |
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291 { |
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292 ResetRemoteGc(Control()); |
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293 return KErrNoMemory; |
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294 } |
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295 |
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296 TRAPD(err, iRemoteGc->ExternalizeL(*(iData->iEndCapture), ETrue)); |
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297 if(err < KErrNone) |
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298 { |
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299 ResetRemoteGc(Control()); |
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300 return err; |
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301 } |
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302 } |
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303 else if(iCommandsReceived) |
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304 { |
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305 // Draw commands received between begin and end. |
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306 if(NULL == (iData->iEndCapture = new RWsGraphicMsgBuf())) |
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307 { |
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308 ResetRemoteGc(Control()); |
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309 return KErrNoMemory; |
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310 } |
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311 |
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312 TRAPD(err, iRemoteGc->ExternalizeL(*(iData->iEndCapture), ETrue)); |
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313 if(err < KErrNone) |
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314 { |
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315 ResetRemoteGc(Control()); |
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316 return err; |
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317 } |
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318 } |
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319 else |
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320 { |
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321 iData->iEndCapture = iData->iBeginCapture; |
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322 } |
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323 |
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324 iRemoteGc->ResetCommandBuffer(); |
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325 } |
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326 //check if we need to capture end rect |
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327 if(!(iCaptureState & EEndCapture)) |
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328 { |
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329 iData->iEndRect = aControl->Rect(); |
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330 iCaptureState = (TCaptureState) (iCaptureState | EEndCapture); |
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331 } |
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332 iData->iEndZ = aZDepth; |
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333 iCaptureEndCalled = ETrue; |
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334 return KErrNone; |
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335 } |
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336 |
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337 //---------------- |
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338 // Demarcations |
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339 //---------------- |
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340 |
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341 void CTransitionParticipant::SetBeginDemarcation(TRect& aBeginRect, TCoordinateRef aCoordRef) |
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342 { |
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343 iCoordRefBegin = aCoordRef; |
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344 iData->iBeginRect = aBeginRect; |
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345 iCaptureState = (TCaptureState)(iCaptureState | EBeginCapture); |
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346 } |
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347 |
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348 void CTransitionParticipant::SetEndDemarcation(TRect& aEndRect, TCoordinateRef aCoordRef) |
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349 { |
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350 iCoordRefEnd = aCoordRef; |
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351 iData->iEndRect = aEndRect; |
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352 iCaptureState = (TCaptureState)(iCaptureState | EEndCapture); |
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353 } |
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354 |
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355 void CTransitionParticipant::ModifyCoordinates(TPoint& aBeginRef, TPoint& aEndRef) |
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356 { |
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357 if(iCoordRefBegin == CTransitionParticipant::EScreen) |
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358 { |
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359 iData->iBeginRect.iTl-=aBeginRef; |
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360 iData->iBeginRect.iBr-=aBeginRef; |
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361 } |
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362 if(iCoordRefEnd == CTransitionParticipant::EScreen) |
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363 { |
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364 iData->iEndRect.iTl-=aEndRef; |
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365 iData->iEndRect.iBr-=aEndRef; |
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366 } |
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367 } |
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368 |
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369 //---------------- |
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370 // MCommandBufferObserver functions |
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371 //---------------- |
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372 |
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373 void CTransitionParticipant::CommandBufferUpdated(const TRect& aDrawRect, const TRect& aBoundingRect) |
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374 { |
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375 if(!iInCapture) |
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376 { |
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377 if(!iCaptureEndCalled) |
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378 { |
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379 iCommandsReceived = ETrue; |
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380 } |
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381 else if(iListensForUpdates) |
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382 { |
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383 RWsGraphicMsgBuf* commandbuffer = new RWsGraphicMsgBuf; |
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384 if(commandbuffer) |
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385 { |
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386 TRAPD(err, iRemoteGc->ExternalizeL(*(commandbuffer), ETrue)); |
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387 if(err == KErrNone) |
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388 { |
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389 iTransControl->ParticipantUpdated(this, commandbuffer, aDrawRect, aBoundingRect); |
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390 } |
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391 commandbuffer->Close(); |
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392 delete commandbuffer; |
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393 } |
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394 } |
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395 } |
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396 } |