112 lines
2.1 KiB
C++
112 lines
2.1 KiB
C++
// Clipboard.cpp
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#include <app/Clipboard.h>
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#include "Clipboard.h"
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/*!
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\class Clipboard
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\brief Server-side representation of a clipboard.
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*/
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// constructor
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/*! \brief Creates and initializes a Clipboard.
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\param name The name of the clipboard.
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*/
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Clipboard::Clipboard(const char *name)
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: fName(name),
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fData(B_SIMPLE_DATA),
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fDataSource(),
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fCount(0),
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fWatchingService()
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{
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}
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// destructor
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/*! \brief Frees all resources associate with this object.
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*/
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Clipboard::~Clipboard()
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{
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}
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// SetData
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/*! \brief Sets the clipboard's data.
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Also notifies all watchers that the clipboard data have changed.
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\param data The new clipboard data.
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\param dataSource The clipboards new data source.
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*/
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void
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Clipboard::SetData(const BMessage *data, BMessenger dataSource)
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{
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fData = *data;
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fDataSource = dataSource;
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fCount++;
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NotifyWatchers();
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}
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// Data
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/*! \brief Returns the clipboard's data.
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\return The clipboard's data.
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*/
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const BMessage *
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Clipboard::Data() const
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{
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return &fData;
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}
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// DataSource
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/*! \brief Returns the clipboard's data source.
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\return The clipboard's data source.
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*/
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BMessenger
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Clipboard::DataSource() const
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{
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return fDataSource;
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}
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// Count
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int32
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Clipboard::Count() const
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{
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return fCount;
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}
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// AddWatcher
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/*! \brief Adds a new watcher for this clipboard.
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\param watcher The messenger referring to the new watcher.
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\return \c true, if the watcher could be added successfully,
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\c false otherwise.
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*/
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bool
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Clipboard::AddWatcher(BMessenger watcher)
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{
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return fWatchingService.AddWatcher(watcher);
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}
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// RemoveWatcher
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/*! \brief Removes a watcher from this clipboard.
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\param watcher The watcher to be removed.
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\return \c true, if the supplied watcher was watching the clipboard,
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\c false otherwise.
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*/
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bool
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Clipboard::RemoveWatcher(BMessenger watcher)
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{
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return fWatchingService.RemoveWatcher(watcher);
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}
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// NotifyWatchers
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/*! \brief Sends a notification message that the clipboard data have changed
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to all associated watchers.
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*/
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void
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Clipboard::NotifyWatchers()
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{
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BMessage message(B_CLIPBOARD_CHANGED);
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fWatchingService.NotifyWatchers(&message, NULL);
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}
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