diff options
| -rwxr-xr-x | src/net/java/sip/communicator/impl/gui/main/chat/ChatConversationPanel.java | 120 | ||||
| -rw-r--r-- | src/net/java/sip/communicator/plugin/desktoputil/SIPCommHTMLEditorKit.java | 8 |
2 files changed, 126 insertions, 2 deletions
diff --git a/src/net/java/sip/communicator/impl/gui/main/chat/ChatConversationPanel.java b/src/net/java/sip/communicator/impl/gui/main/chat/ChatConversationPanel.java index 4ba08f6..f44cf78 100755 --- a/src/net/java/sip/communicator/impl/gui/main/chat/ChatConversationPanel.java +++ b/src/net/java/sip/communicator/impl/gui/main/chat/ChatConversationPanel.java @@ -100,7 +100,7 @@ public class ChatConversationPanel /** * The editor kit used by the text component. */ - private final HTMLEditorKit editorKit; + private final ChatConversationEditorKit editorKit; /** * The document used by the text component. @@ -206,7 +206,7 @@ public class ChatConversationPanel */ public ChatConversationPanel(ChatConversationContainer chatContainer) { - editorKit = new SIPCommHTMLEditorKit(this); + editorKit = new ChatConversationEditorKit(this); this.chatContainer = chatContainer; @@ -216,6 +216,8 @@ public class ChatConversationPanel this.document = (HTMLDocument) editorKit.createDefaultDocument(); + this.document.addDocumentListener(editorKit); + this.chatTextPane.setEditorKitForContentType("text/html", editorKit); this.chatTextPane.setEditorKit(editorKit); this.chatTextPane.setEditable(false); @@ -1950,6 +1952,11 @@ public class ChatConversationPanel @Override public void dispose() { + if(editorKit != null) + { + editorKit.dispose(); + } + super.dispose(); if(showPreview != null) @@ -2074,4 +2081,113 @@ public class ChatConversationPanel return null; } + + /** + * Extends SIPCommHTMLEditorKit to keeps track of created ImageView for + * the gif images in order to flush them whenever they are no longer visible + */ + private class ChatConversationEditorKit + extends SIPCommHTMLEditorKit + implements DocumentListener + { + /** + * List of the image views. + */ + private java.util.List<ImageView> imageViews = + new ArrayList<ImageView>(); + + /** + * Constructs. + * @param container + */ + public ChatConversationEditorKit(JComponent container) + { + super(container); + } + + /** + * Clears any left img view and removes any listener was added. + */ + public void dispose() + { + if(document != null) + { + document.removeDocumentListener(this); + } + + for(ImageView iv : imageViews) + { + Image img = iv.getImage(); + if(img != null) + img.flush(); + } + + imageViews.clear(); + } + + /** + * Inform view creation. + * @param view the newly created view. + */ + protected void viewCreated(ViewFactory factory, View view) + { + if(view instanceof ImageView) + { + Element e = findFirstElement(view.getElement(), "img"); + + if(e == null) + return; + + Object src = e.getAttributes().getAttribute(Attribute.SRC); + if(src != null && src instanceof String + && ((String)src).endsWith("gif")) + { + imageViews.add((ImageView)view); + } + } + } + + /** + * Not used. + * @param e + */ + @Override + public void insertUpdate(DocumentEvent e) + {} + + /** + * When something is removed from the current document we will check + * the stored image views for any element which si no longer visible. + * @param e the event. + */ + @Override + public void removeUpdate(DocumentEvent e) + { + // will check if some image view is no longer visible + // will consider not visible when its length is 0 + Iterator<ImageView> imageViewIterator = imageViews.iterator(); + while(imageViewIterator.hasNext()) + { + ImageView iv = imageViewIterator.next(); + + if((iv.getElement().getEndOffset() + - iv.getElement().getStartOffset()) != 0) + continue; + + Image img = iv.getImage(); + if(img != null) + img.flush(); + + imageViewIterator.remove(); + } + } + + /** + * Not used. + * @param e + */ + @Override + public void changedUpdate(DocumentEvent e) + {} + } } diff --git a/src/net/java/sip/communicator/plugin/desktoputil/SIPCommHTMLEditorKit.java b/src/net/java/sip/communicator/plugin/desktoputil/SIPCommHTMLEditorKit.java index c4971a8..0f2c6b1 100644 --- a/src/net/java/sip/communicator/plugin/desktoputil/SIPCommHTMLEditorKit.java +++ b/src/net/java/sip/communicator/plugin/desktoputil/SIPCommHTMLEditorKit.java @@ -65,6 +65,8 @@ public class SIPCommHTMLEditorKit extends HTMLEditorKit { View view = super.create(elem); + viewCreated(this, view); + if (view instanceof ParagraphView) { return new ParagraphViewX(elem); @@ -79,6 +81,12 @@ public class SIPCommHTMLEditorKit extends HTMLEditorKit } /** + * Inform extenders for the view creation. + * @param view the newly created view. + */ + protected void viewCreated(ViewFactory factory, View view){} + + /** * An extended component view, which provides horizontal and vertical * filling. */ |