Protocolo <GCKMediaQueueDelegate>
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O protocolo delegado para receber notificações assíncronas de um GCKMediaQueue.
- Como
- 4.3.4
Herda <NSObjectNSObject>.
Chamado quando uma ou mais alterações estão prestes a ser feitas na fila.
- Parameters
-
Chamado quando a fila é totalmente recarregada.
Todos os itens da fila acessados anteriormente devem ser considerados inválidos.
- Parameters
-
| - (void) mediaQueue: |
|
(GCKMediaQueue *) |
queue |
| didInsertItemsInRange: |
|
(NSRange) |
range |
|
|
| |
|
optional |
Chamado quando um intervalo contíguo de itens da fila é inserido na fila.
- Parameters
-
| queue | The queue. |
| range | The range indicating the starting index and count of items inserted. |
| - (void) mediaQueue: |
|
(GCKMediaQueue *) |
queue |
| didUpdateItemsAtIndexes: |
|
(NSArray< NSNumber * > *) |
indexes |
|
|
| |
|
optional |
Chamado quando um ou mais itens da fila são atualizados na fila.
Isso inclui o caso em que itens acessados anteriormente, mas indisponíveis foram recuperados e colocados no cache e o caso em que itens previamente armazenados foram apagados do cache.
- Parameters
-
| queue | The queue. |
| indexes | The ordered list of indexes of the items that have been updated. |
| - (void) mediaQueue: |
|
(GCKMediaQueue *) |
queue |
| didRemoveItemsAtIndexes: |
|
(NSArray< NSNumber * > *) |
indexes |
|
|
| |
|
optional |
Chamado quando um ou mais itens da fila são removidos.
- Parameters
-
| queue | The queue. |
| indexes | The ordered list of indexes of the items that have been removed. |
Chamado depois de uma ou mais alterações na fila.
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Última atualização 2025-07-25 UTC.
[null,null,["Última atualização 2025-07-25 UTC."],[[["\u003cp\u003eThe \u003ccode\u003eGCKMediaQueueDelegate\u003c/code\u003e protocol enables receiving asynchronous notifications from a \u003ccode\u003eGCKMediaQueue\u003c/code\u003e, informing about changes like insertions, removals, and updates.\u003c/p\u003e\n"],["\u003cp\u003eIt provides methods to handle queue changes, including \u003ccode\u003emediaQueueWillChange:\u003c/code\u003e, \u003ccode\u003emediaQueueDidReloadItems:\u003c/code\u003e, \u003ccode\u003emediaQueue:didInsertItemsInRange:\u003c/code\u003e, \u003ccode\u003emediaQueue:didUpdateItemsAtIndexes:\u003c/code\u003e, \u003ccode\u003emediaQueue:didRemoveItemsAtIndexes:\u003c/code\u003e, and \u003ccode\u003emediaQueueDidChange:\u003c/code\u003e.\u003c/p\u003e\n"],["\u003cp\u003eThese methods are optional and offer insights into queue modifications, such as when items are added, updated, or removed, or when the entire queue is reloaded.\u003c/p\u003e\n"],["\u003cp\u003eDevelopers can implement these methods to respond to queue events and update their application's state accordingly, ensuring synchronization with the media queue.\u003c/p\u003e\n"]]],["The `GCKMediaQueueDelegate` protocol provides methods for asynchronous notifications about changes to a media queue. Key actions include: notifying when changes are imminent (`mediaQueueWillChange:`), when the queue is reloaded (`mediaQueueDidReloadItems:`), when items are inserted (`mediaQueue:didInsertItemsInRange:`), updated (`mediaQueue:didUpdateItemsAtIndexes:`), or removed (`mediaQueue:didRemoveItemsAtIndexes:`), and when changes are completed (`mediaQueueDidChange:`). Each method provides the affected queue and relevant details like ranges or indexes.\n"],null,["# <GCKMediaQueueDelegate> Protocol\n\n[Instance Methods](#pub-methods) \n\\\u003cGCKMediaQueueDelegate\\\u003e Protocol Reference \n\nOverview\n--------\n\nThe delegate protocol for receiving asynchronous notifications from a [GCKMediaQueue](/cast/docs/reference/ios/interface_g_c_k_media_queue \"A data model representation of a media queue of arbitrary length. \").\n\nSince\n: 4.3.4\n\nInherits \\\u003cNSObjectNSObject\\\u003e.\n\n|--------|-------------------------------------------------------------------------------------------------------------------------------------------|\n| Instance Method Summary ----------------------- ||\n| (void) | - [mediaQueueWillChange:](/cast/docs/reference/ios/protocol_g_c_k_media_queue_delegate-p#a67d1e8d507009c2358055878f0734beb) |\n| | Called when one or more changes are about to be made to the queue. [More...](#a67d1e8d507009c2358055878f0734beb) |\n| ||\n| (void) | - [mediaQueueDidReloadItems:](/cast/docs/reference/ios/protocol_g_c_k_media_queue_delegate-p#a47da208fd18f9c9e8d77b9b9820008e0) |\n| | Called when the queue has been entirely reloaded. [More...](#a47da208fd18f9c9e8d77b9b9820008e0) |\n| ||\n| (void) | - [mediaQueue:didInsertItemsInRange:](/cast/docs/reference/ios/protocol_g_c_k_media_queue_delegate-p#a999c9cff6813cc3e3217b56783d9923f) |\n| | Called when a contiguous range of queue items ahve been inserted into the queue. [More...](#a999c9cff6813cc3e3217b56783d9923f) |\n| ||\n| (void) | - [mediaQueue:didUpdateItemsAtIndexes:](/cast/docs/reference/ios/protocol_g_c_k_media_queue_delegate-p#a1b1e5914235108690d76c49d2c12fab3) |\n| | Called when one or more queue items have been updated in the queue. [More...](#a1b1e5914235108690d76c49d2c12fab3) |\n| ||\n| (void) | - [mediaQueue:didRemoveItemsAtIndexes:](/cast/docs/reference/ios/protocol_g_c_k_media_queue_delegate-p#ae1d7987e73d3adbbc87efb1115775e88) |\n| | Called when one or more queue items have been removed from the queue. [More...](#ae1d7987e73d3adbbc87efb1115775e88) |\n| ||\n| (void) | - [mediaQueueDidChange:](/cast/docs/reference/ios/protocol_g_c_k_media_queue_delegate-p#a167626bc840e79933b16480962362e1c) |\n| | Called after one or more queue changes have been made to the queue. [More...](#a167626bc840e79933b16480962362e1c) |\n| ||\n\nMethod Detail\n-------------\n\n|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|----------|\n| |--------------------------------|---|----------------------------------------------------------------------------|---------|---| | - (void) mediaQueueWillChange: | | ([GCKMediaQueue](/cast/docs/reference/ios/interface_g_c_k_media_queue) \\*) | *queue* | | | optional |\n\nCalled when one or more changes are about to be made to the queue.\n\nParameters\n:\n\n |-------|------------|\n | queue | The queue. |\n\n\n|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|----------|\n| |------------------------------------|---|----------------------------------------------------------------------------|---------|---| | - (void) mediaQueueDidReloadItems: | | ([GCKMediaQueue](/cast/docs/reference/ios/interface_g_c_k_media_queue) \\*) | *queue* | | | optional |\n\nCalled when the queue has been entirely reloaded.\n\nAny previously accessed queue items should be considered invalid.\n\nParameters\n:\n\n |-------|------------|\n | queue | The queue. |\n\n\n|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|----------|\n| |------------------------|---|----------------------------------------------------------------------------|---------| | - (void) mediaQueue: | | ([GCKMediaQueue](/cast/docs/reference/ios/interface_g_c_k_media_queue) \\*) | *queue* | | didInsertItemsInRange: | | (NSRange) | *range* | | | | | | | optional |\n\nCalled when a contiguous range of queue items ahve been inserted into the queue.\n\nParameters\n:\n\n |-------|----------------------------------------------------------------------|\n | queue | The queue. |\n | range | The range indicating the starting index and count of items inserted. |\n\n\n|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|----------|\n| |--------------------------|---|----------------------------------------------------------------------------|-----------| | - (void) mediaQueue: | | ([GCKMediaQueue](/cast/docs/reference/ios/interface_g_c_k_media_queue) \\*) | *queue* | | didUpdateItemsAtIndexes: | | (NSArray\\\u003c NSNumber \\* \\\u003e \\*) | *indexes* | | | | | | | optional |\n\nCalled when one or more queue items have been updated in the queue.\n\nThis includes the case where previously accessed but unavailable items have been retrieved and placed in the cache, and the case where previously cached items have been flushed from the cache.\n\nParameters\n:\n\n |---------|------------------------------------------------------------------|\n | queue | The queue. |\n | indexes | The ordered list of indexes of the items that have been updated. |\n\n\n|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|----------|\n| |--------------------------|---|----------------------------------------------------------------------------|-----------| | - (void) mediaQueue: | | ([GCKMediaQueue](/cast/docs/reference/ios/interface_g_c_k_media_queue) \\*) | *queue* | | didRemoveItemsAtIndexes: | | (NSArray\\\u003c NSNumber \\* \\\u003e \\*) | *indexes* | | | | | | | optional |\n\nCalled when one or more queue items have been removed from the queue.\n\nParameters\n:\n\n |---------|------------------------------------------------------------------|\n | queue | The queue. |\n | indexes | The ordered list of indexes of the items that have been removed. |\n\n\n|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|----------|\n| |-------------------------------|---|----------------------------------------------------------------------------|---------|---| | - (void) mediaQueueDidChange: | | ([GCKMediaQueue](/cast/docs/reference/ios/interface_g_c_k_media_queue) \\*) | *queue* | | | optional |\n\nCalled after one or more queue changes have been made to the queue."]]
