Attachment 65697 Details for Bug 53586 – Provide 'AA' dictionary entries as LinkAction objects

[patch] Provide 'AA' dictionary entries as LinkAction objects

aa_annotations.patch (text/plain), 6.41 KB, created by Tobias Koenig on 2012-08-17 14:30:13 UTC

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Creator: Tobias Koenig

Created: 2012-08-17 14:30:13 UTC

Size: 6.41 KB

patch

obsolete

>diff --git a/poppler/Annot.cc b/poppler/Annot.cc
>index e55ddde..c07b616 100644
>--- a/poppler/Annot.cc
>+++ b/poppler/Annot.cc
>@@ -195,6 +195,40 @@ PDFRectangle *parseDiffRectangle(Array *array, PDFRectangle *rect) {
>   return newRect;
> }
> 
>+static LinkAction* getAdditionalAction(Annot::AdditionalActionsType type, Object *additionalActions, PDFDoc *doc) {
>+
>+  Object additionalActionsObject;
>+
>+  additionalActions->fetch(doc->getXRef(), &additionalActionsObject);
>+
>+  if (!additionalActionsObject.isDict()) {
>+    additionalActionsObject.free();
>+    return 0;
>+  }
>+
>+  Dict *dict = additionalActionsObject.getDict();
>+
>+  const char *key = (type == Annot::actionCursorEntering ? "E" :
>+                     type == Annot::actionCursorLeaving ?  "X" :
>+                     type == Annot::actionMousePressed ?   "D" :
>+                     type == Annot::actionMouseReleased ?  "U" :
>+                     type == Annot::actionFocusIn ?       "Fo" :
>+                     type == Annot::actionFocusOut ?      "BI" :
>+                     type == Annot::actionPageOpening ?   "PO" :
>+                     type == Annot::actionPageClosing ?   "PC" :
>+                     type == Annot::actionPageVisible ?   "PV" :
>+                     type == Annot::actionPageInvisible ? "PI" : 0);
>+
>+  Object actionObject;
>+  dict->lookup(key, &actionObject);
>+  LinkAction *linkAction = LinkAction::parseAction(&actionObject, doc->getCatalog()->getBaseURI());
>+  actionObject.free();
>+
>+  additionalActionsObject.free();
>+
>+  return linkAction;
>+}
>+
> //------------------------------------------------------------------------
> // AnnotBorderEffect
> //------------------------------------------------------------------------
>@@ -3730,10 +3764,9 @@ AnnotWidget::~AnnotWidget() {
>   
>   if (action)
>     delete action;
>-    
>-  if (additionActions)
>-    delete additionActions;
>-    
>+
>+  additionalActions.free();
>+
>   if (parent)
>     delete parent;
> }
>@@ -3773,12 +3806,7 @@ void AnnotWidget::initialize(PDFDoc *docA, Dict *dict) {
>   }
>   obj1.free();
> 
>-  if(dict->lookup("AA", &obj1)->isDict()) {
>-    additionActions = NULL;
>-  } else {
>-    additionActions = NULL;
>-  }
>-  obj1.free();
>+  dict->lookupNF("AA", &additionalActions);
> 
>   if(dict->lookup("Parent", &obj1)->isDict()) {
>     parent = NULL;
>@@ -3788,6 +3816,11 @@ void AnnotWidget::initialize(PDFDoc *docA, Dict *dict) {
>   obj1.free();
> }
> 
>+LinkAction* AnnotWidget::getAdditionalAction(AdditionalActionsType type)
>+{
>+  return ::getAdditionalAction(type, &additionalActions, doc);
>+}
>+
> // Grand unified handler for preparing text strings to be drawn into form
> // fields.  Takes as input a text string (in PDFDocEncoding or UTF-16).
> // Converts some or all of this string to the appropriate encoding for the
>@@ -5103,7 +5136,7 @@ AnnotScreen::~AnnotScreen() {
>   if (action)
>     delete action;
> 
>-  additionAction.free();
>+  additionalActions.free();
> }
> 
> void AnnotScreen::initialize(PDFDoc *docA, Dict* dict) {
>@@ -5127,14 +5160,21 @@ void AnnotScreen::initialize(PDFDoc *docA, Dict* dict) {
>   }
>   obj1.free();
> 
>-  dict->lookup("AA", &additionAction);
>+  dict->lookupNF("AA", &additionalActions);
> 
>   appearCharacs = NULL;
>   if(dict->lookup("MK", &obj1)->isDict()) {
>     appearCharacs = new AnnotAppearanceCharacs(obj1.getDict());
>   }
>   obj1.free();
>+}
>+
>+LinkAction* AnnotScreen::getAdditionalAction(AdditionalActionsType type)
>+{
>+  if (type == actionFocusIn || type == actionFocusOut) // not defined for screen annotation
>+    return 0;
> 
>+  return ::getAdditionalAction(type, &additionalActions, doc);
> }
> 
> //------------------------------------------------------------------------
>diff --git a/poppler/Annot.h b/poppler/Annot.h
>index 0d20cc7..876e70a 100644
>--- a/poppler/Annot.h
>+++ b/poppler/Annot.h
>@@ -518,6 +518,22 @@ public:
>     type3D              // 3D             25
>   };
> 
>+  /**
>+   * Describes the additional actions of a screen or widget annotation.
>+   */
>+  enum AdditionalActionsType {
>+    actionCursorEntering, ///< Performed when the cursor enters the annotation's active area
>+    actionCursorLeaving,  ///< Performed when the cursor exists the annotation's active area
>+    actionMousePressed,   ///< Performed when the mouse button is pressed inside the annotation's active area
>+    actionMouseReleased,  ///< Performed when the mouse button is released inside the annotation's active area
>+    actionFocusIn,        ///< Performed when the annotation receives the input focus
>+    actionFocusOut,       ///< Performed when the annotation loses the input focus
>+    actionPageOpening,    ///< Performed when the page containing the annotation is opened
>+    actionPageClosing,    ///< Performed when the page containing the annotation is closed
>+    actionPageVisible,    ///< Performed when the page containing the annotation becomes visible
>+    actionPageInvisible   ///< Performed when the page containing the annotation becomes invisible
>+  };
>+
>   Annot(PDFDoc *docA, PDFRectangle *rectA);
>   Annot(PDFDoc *docA, Dict *dict);
>   Annot(PDFDoc *docA, Dict *dict, Object *obj);
>@@ -805,7 +821,7 @@ class AnnotScreen: public Annot {
> 
>   AnnotAppearanceCharacs *getAppearCharacs() { return appearCharacs; }
>   LinkAction* getAction() { return action; }
>-  Object* getAdditionActions() { return &additionAction; }
>+  LinkAction *getAdditionalAction(AdditionalActionsType type);
> 
>  private:
>   void initialize(PDFDoc *docA, Dict *dict);
>@@ -816,7 +832,7 @@ class AnnotScreen: public Annot {
>   AnnotAppearanceCharacs* appearCharacs; // MK
> 
>   LinkAction *action;                    // A
>-  Object additionAction;                 // AA
>+  Object additionalActions;              // AA
> };
> 
> //------------------------------------------------------------------------
>@@ -1278,7 +1294,7 @@ public:
>   AnnotWidgetHighlightMode getMode() { return mode; }
>   AnnotAppearanceCharacs *getAppearCharacs() { return appearCharacs; }
>   LinkAction *getAction() { return action; }
>-  Dict *getAdditionActions() { return additionActions; }
>+  LinkAction *getAdditionalAction(AdditionalActionsType type);
>   Dict *getParent() { return parent; }
> 
> private:
>@@ -1297,7 +1313,7 @@ private:
>   AnnotWidgetHighlightMode mode;          // H  (Default I)
>   AnnotAppearanceCharacs *appearCharacs;  // MK
>   LinkAction *action;                     // A
>-  Dict *additionActions;                  // AA
>+  Object additionalActions;               // AA
>   // inherited  from Annot
>   // AnnotBorderBS border;                // BS
>   Dict *parent;                           // Parent

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Attachments on bug 53586: 65647 | 65651 | 65697 | 65765 | 65817

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