Native Client

pp::Core Class Reference

APIs related to memory management, time, and threads. More...

List of all members.

Public Functions

void AddRefResource (PP_Resource resource)
void ReleaseResource (PP_Resource resource)
PP_Time GetTime ()
PP_TimeTicks GetTimeTicks ()
void CallOnMainThread (int32_t delay_in_milliseconds, const CompletionCallback &callback, int32_t result=0)
bool IsMainThread ()

Friends List

class Module

Detailed Description

APIs related to memory management, time, and threads.


Function Details

void pp::Core::AddRefResource ( PP_Resource  resource) [inline]

AddRefResource() increments the reference count for the provided resource.

Parameters:
[in]resourceA PP_Resource corresponding to a resource.
void pp::Core::CallOnMainThread ( int32_t  delay_in_milliseconds,
const CompletionCallback callback,
int32_t  result = 0 
)

CallOnMainThread() schedules work to be executed on the main pepper thread after the specified delay.

The delay may be 0 to specify a call back as soon as possible.

The |result| parameter will just be passed as the second argument to the callback. Many applications won't need this, but it allows a module to emulate calls of some callbacks which do use this value.

Note: CallOnMainThread(), even when used from the main thread with a delay of 0 milliseconds, will never directly invoke the callback. Even in this case, the callback will be scheduled asynchronously.

Note: If the browser is shutting down or if the module has no instances, then the callback function may not be called.

Parameters:
[in]delay_in_millisecondsAn int32_t delay in milliseconds.
[in]callbackA CompletionCallback callback function that the browser will call after the specified delay.
[in]resultAn int32_t that the browser will pass to the given CompletionCallback.
PP_Time pp::Core::GetTime ( ) [inline]

GetTime() returns the "wall clock time" according to the browser.

Returns:
A PP_Time containing the "wall clock time" according to the browser.
PP_TimeTicks pp::Core::GetTimeTicks ( ) [inline]

GetTimeTicks() returns the "tick time" according to the browser.

This clock is used by the browser when passing some event times to the module (for example, using the PP_InputEvent::time_stamp_seconds field). It is not correlated to any actual wall clock time (like GetTime()). Because of this, it will not change if the user changes their computer clock.

Returns:
A PP_TimeTicks containing the "tick time" according to the browser.
bool pp::Core::IsMainThread ( )

IsMainThread() returns true if the current thread is the main pepper thread.

This function is useful for implementing sanity checks, and deciding if dispatching using CallOnMainThread() is required.

Returns:
true if the current thread is the main pepper thread, otherwise false.
void pp::Core::ReleaseResource ( PP_Resource  resource) [inline]

ReleaseResource() decrements the reference count for the provided resource.

The resource will be deallocated if the reference count reaches zero.

Parameters:
[in]resourceA PP_Resource corresponding to a resource.

Friends and Related Functions Details

friend class Module [friend]

The documentation for this class was generated from the following file:

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