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IN NO EVENT SHALL THE COPYRIGHT 225c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 235c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 245c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 255c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 265c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 275c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 285c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 295c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) */ 305c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 315c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)#ifndef WorkerLoaderProxy_h 325c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)#define WorkerLoaderProxy_h 335c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 341e202183a5dc46166763171984b285173f8585e5Torne (Richard Coles)#include "core/dom/ExecutionContext.h" 35e1f1df5f01594c0e62e751e4b46e779b85c2faa5Torne (Richard Coles)#include "wtf/Forward.h" 36e1f1df5f01594c0e62e751e4b46e779b85c2faa5Torne (Richard Coles)#include "wtf/PassOwnPtr.h" 375c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 38c1847b1379d12d0e05df27436bf19a9b1bf12deaTorne (Richard Coles)namespace blink { 395c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 405c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) // A proxy to talk to the loader context. Normally, the document on the main thread 415c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) // provides loading services for the subordinate workers. This interface provides 2-way 425c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) // communications to the Document context and back to the worker. 435c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) // Note that in multi-process browsers, the Worker object context and the Document 445c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) // context can be distinct. 455c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) class WorkerLoaderProxy { 465c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) public: 475c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) virtual ~WorkerLoaderProxy() { } 485c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 495c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) // Posts a task to the thread which runs the loading code (normally, the main thread). 501e202183a5dc46166763171984b285173f8585e5Torne (Richard Coles) virtual void postTaskToLoader(PassOwnPtr<ExecutionContextTask>) = 0; 515c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 5209380295ba73501a205346becac22c6978e4671dTorne (Richard Coles) // Posts callbacks from loading code to the WorkerGlobalScope. 535c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) // Returns true if the task was posted successfully. 5409380295ba73501a205346becac22c6978e4671dTorne (Richard Coles) virtual bool postTaskToWorkerGlobalScope(PassOwnPtr<ExecutionContextTask>) = 0; 555c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) }; 565c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 57c1847b1379d12d0e05df27436bf19a9b1bf12deaTorne (Richard Coles)} // namespace blink 585c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 595c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)#endif // WorkerLoaderProxy_h 60