1 /* Copyright (c) 2006-2009 The Chromium Authors. All rights reserved.
2 * Use of this source code is governed by a BSD-style license that can be
3 * found in the LICENSE file.
6 #ifndef _NP_EXTENSIONS_H_
7 #define _NP_EXTENSIONS_H_
9 // Use the shorter include path here so that this file can be used in non-
10 // Chromium projects, such as the Native Client SDK.
13 #include <stddef.h> // For size_t
16 * A fake "enum" value for getting browser-implemented Pepper extensions.
17 * The variable returns a pointer to an NPNExtensions structure. */
18 #define NPNVPepperExtensions ((NPNVariable) 4000)
21 * A fake "enum" value for getting plugin-implemented Pepper extensions.
22 * The variable returns a pointer to an NPPExtensions structure. */
23 #define NPPVPepperExtensions ((NPPVariable) 4001)
25 typedef void NPDeviceConfig;
26 typedef void NPDeviceContext;
27 typedef void NPUserData;
29 /* unique id for each device interface */
30 typedef int32_t NPDeviceID;
32 /* Events -------------------------------------------------------------------*/
35 NPMouseButton_None = -1,
36 NPMouseButton_Left = 0,
37 NPMouseButton_Middle = 1,
38 NPMouseButton_Right = 2
42 NPEventType_Undefined = -1,
43 NPEventType_MouseDown = 0,
44 NPEventType_MouseUp = 1,
45 NPEventType_MouseMove = 2,
46 NPEventType_MouseEnter = 3,
47 NPEventType_MouseLeave = 4,
48 NPEventType_MouseWheel = 5,
49 NPEventType_RawKeyDown = 6,
50 NPEventType_KeyDown = 7,
51 NPEventType_KeyUp = 8,
53 NPEventType_Minimize = 10,
54 NPEventType_Focus = 11,
55 NPEventType_Device = 12
59 NPEventModifier_ShiftKey = 1 << 0,
60 NPEventModifier_ControlKey = 1 << 1,
61 NPEventModifier_AltKey = 1 << 2,
62 NPEventModifier_MetaKey = 1 << 3,
63 NPEventModifier_IsKeyPad = 1 << 4,
64 NPEventModifier_IsAutoRepeat = 1 << 5,
65 NPEventModifier_LeftButtonDown = 1 << 6,
66 NPEventModifier_MiddleButtonDown = 1 << 7,
67 NPEventModifier_RightButtonDown = 1 << 8
70 typedef struct _NPKeyEvent
73 uint32_t normalizedKeyCode;
76 typedef struct _NPCharacterEvent
80 uint16_t unmodifiedText[4];
83 typedef struct _NPMouseEvent
92 typedef struct _NPMouseWheelEvent
99 uint32_t scrollByPage;
102 typedef struct _NPDeviceEvent {
105 /* uint8_t generic[0]; */
108 typedef struct _NPMinimizeEvent {
112 typedef struct _NPFocusEvent {
116 typedef struct _NPPepperEvent
120 double timeStampSeconds;
123 NPCharacterEvent character;
125 NPMouseWheelEvent wheel;
126 NPMinimizeEvent minimize;
128 NPDeviceEvent device;
132 /* 2D -----------------------------------------------------------------------*/
134 #define NPPepper2DDevice 1
136 typedef struct _NPDeviceContext2DConfig {
137 } NPDeviceContext2DConfig;
139 typedef struct _NPDeviceContext2D
141 /* Internal value used by the browser to identify this device. */
144 /* A pointer to the pixel data. This data is 8-bit values in BGRA order in
145 * memory. Each row will start |stride| bytes after the previous one.
147 * THIS DATA USES PREMULTIPLIED ALPHA. This means that each color channel has
148 * been multiplied with the corresponding alpha, which makes compositing
149 * easier. If any color channels have a value greater than the alpha value,
150 * you'll likely get crazy colors and weird artifacts. */
153 /* Length of each row of pixels in bytes. This may be larger than width * 4
154 * if there is padding at the end of each row to help with alignment. */
157 /* The dirty region that the plugin has painted into the buffer. This
158 * will be initialized to the size of the plugin image in
159 * initializeContextPtr. The plugin can change the values to only
160 * update portions of the image. */
169 typedef struct _NPDeviceBuffer {
174 /* completion callback for flush device */
175 typedef void (*NPDeviceFlushContextCallbackPtr)(
177 NPDeviceContext* context,
179 NPUserData* userData);
181 /* query single capabilities of device */
183 *NPDeviceQueryCapabilityPtr)(NPP instance,
186 /* query config (configuration == a set of capabilities) */
188 *NPDeviceQueryConfigPtr)(NPP instance,
189 const NPDeviceConfig* request,
190 NPDeviceConfig* obtain);
191 /* device initialization */
192 typedef NPError (*NPDeviceInitializeContextPtr)(
194 const NPDeviceConfig* config,
195 NPDeviceContext* context);
196 /* peek at device state */
197 typedef NPError (*NPDeviceGetStateContextPtr) (
199 NPDeviceContext* context,
202 /* poke device state */
203 typedef NPError (*NPDeviceSetStateContextPtr) (
205 NPDeviceContext* context,
208 /* flush context, if callback, userData are NULL */
209 /* this becomes a blocking call */
210 typedef NPError (*NPDeviceFlushContextPtr)(
212 NPDeviceContext* context,
213 NPDeviceFlushContextCallbackPtr callback,
215 /* destroy device context. Application responsible for */
216 /* freeing context, if applicable */
217 typedef NPError (*NPDeviceDestroyContextPtr)(
219 NPDeviceContext* context);
220 /* Create a buffer associated with a particular context. The usage of the */
221 /* buffer is device specific. The lifetime of the buffer is scoped with the */
222 /* lifetime of the context. */
223 typedef NPError (*NPDeviceCreateBufferPtr)(
225 NPDeviceContext* context,
228 /* Destroy a buffer associated with a particular context. */
229 typedef NPError (*NPDeviceDestroyBufferPtr)(
231 NPDeviceContext* context,
233 /* Map a buffer id to its address. */
234 typedef NPError (*NPDeviceMapBufferPtr)(
236 NPDeviceContext* context,
238 NPDeviceBuffer* buffer);
241 /* forward decl typdef structs */
242 typedef struct NPDevice NPDevice;
243 typedef struct NPNExtensions NPNExtensions;
245 // DEPRECATED: this typedef is just for the NaCl code until they switch to NPNExtensions.
246 // PLEASE REMOVE THIS WHEN THE NACL CODE IS UPDATED.
247 typedef struct NPNExtensions NPExtensions;
250 /* New experimental device API. */
252 /* Mode for calls to NPDeviceSynchronizeContext. */
254 /* Get or set locally cached state without synchronizing or communicating */
255 /* with the service process (or thread). */
256 NPDeviceSynchronizationMode_Cached,
258 /* Exchanges state with service process (or thread). Does not wait for any */
259 /* progress before returning. */
260 NPDeviceSynchronizationMode_Immediate,
262 /* Exchanges state with service process (or thread). Blocks caller until */
263 /* further progress can be made. */
264 NPDeviceSynchronizationMode_Flush
265 } NPDeviceSynchronizationMode;
267 /* Get the number of configs supported by a given device. */
268 typedef NPError (*NPDeviceGetNumConfigsPtr)(NPP instance,
269 int32_t* numConfigs);
271 /* Get attribute values from a config. NPDeviceGetConfigs might return */
272 /* multiple configs. This function can be used to examine them to */
273 /* find the most suitable. For example, NPDeviceGetConfigs might return one */
274 /* config with antialiasing enabled and one without. This can be determined */
275 /* using this function. */
277 /* config: The config index to extract the attributes from. */
278 /* attribList: Array of input config attribute / value pairs */
279 /* terminated with NPAttrib_End. */
281 /* attribList: The values paired up with each attribute are filled in */
283 typedef NPError (*NPDeviceGetConfigAttribsPtr)(NPP instance,
285 int32_t* attribList);
287 /* Create a device context based on a particular device configuration and a */
288 /* list config input attributes. */
290 /* config: The device configuration to use. */
291 /* attribList: NULL or an array of context specific attribute / value */
292 /* pairs terminated with NPAttrib_End. */
294 /* context: The created context. */
295 typedef NPError (*NPDeviceCreateContextPtr)(NPP instance,
297 const int32_t* attribList,
298 NPDeviceContext** context);
300 /* Destroy a context. */
302 /* context: The context to destroy. */
303 /*typedef NPError (*NPDestroyContext)(NPP instance, */
304 /* NPDeviceContext* context); */
306 /* This type should be cast to the type associated with the particular */
308 typedef void (*NPDeviceGenericCallbackPtr)(void);
310 /* Register a callback with a context. Callbacks are never invoked after the */
311 /* associated context has been destroyed. The semantics of the particular */
312 /* callback type determine which thread the callback is invoked on. It might */
313 /* be the plugin thread, the thread RegisterCallback is invoked on or a */
314 /* special thread created for servicing callbacks, such as an audio thread */
316 /* callbackType: The device specific callback type */
317 /* callback: The callback to invoke. The signature varies by type. Use */
318 /* NULL to unregister the callback for a particular type. */
319 /* callbackData: A value that is passed to the callback function. Other */
320 /* callback arguments vary by type. */
321 typedef NPError (*NPDeviceRegisterCallbackPtr)(
323 NPDeviceContext* context,
324 int32_t callbackType,
325 NPDeviceGenericCallbackPtr callback,
328 /* Callback for NPDeviceSynchronizeContext. */
330 /* instance: The associated plugin instance. */
331 /* context: The context that was flushed. */
332 /* error: Indicates success of flush operation. */
333 /* data: The completion callback data that was passed to */
334 /* NPDeviceSynchronizeContext. */
335 typedef void (*NPDeviceSynchronizeContextCallbackPtr)(
337 NPDeviceContext* context,
341 /* Synchronize the state of a device context. Takes lists of input and output */
342 /* attributes. Generally, the input attributes are copied into the context */
343 /* and the output attributes are filled in the state of the context either */
344 /* after (before) the synchronization depending on whether it is synchronous */
345 /* (asynchronous). The get the state of the context after an asynchronous */
346 /* synchronization, call this function a second time with Cached mode after */
347 /* the callback has been invoked. */
349 /* context: The context to synchronize. */
350 /* mode: The type of synchronization to perform. */
351 /* inputAttribList: NULL or an array of input synchronization attribute / */
352 /* value pairs terminated with NPAttrib_End. */
353 /* outputAttribList: NULL or an array of output synchronization */
354 /* attributes / uninitialized value pairs terminated */
355 /* with NPAttrib_End. */
356 /* callback: NULL for synchronous operation or completion callback function */
357 /* for asynchronous operation. */
358 /* callbackData: Argument passed to callback function. */
360 /* outputAttribList: The values paired up with each attribute are filled */
361 /* in on return for synchronous operation. */
362 typedef NPError (*NPDeviceSynchronizeContextPtr)(
364 NPDeviceContext* context,
365 NPDeviceSynchronizationMode mode,
366 const int32_t* inputAttribList,
367 int32_t* outputAttribList,
368 NPDeviceSynchronizeContextCallbackPtr callback,
371 /* All attributes shared between devices, with the exception of */
372 /* NPDeviceContextAttrib_End, have bit 31 set. Device specific attributes */
373 /* have the bit clear. */
375 /* Used to terminate arrays of attribute / value pairs. */
378 /* Error status of context. Non-zero means error. Shared by all devices, */
379 /* though error values are device specific. */
380 NPAttrib_Error = 0x80000000
383 /* generic device interface */
385 NPDeviceQueryCapabilityPtr queryCapability;
386 NPDeviceQueryConfigPtr queryConfig;
387 NPDeviceInitializeContextPtr initializeContext;
388 NPDeviceSetStateContextPtr setStateContext;
389 NPDeviceGetStateContextPtr getStateContext;
390 NPDeviceFlushContextPtr flushContext;
391 NPDeviceDestroyContextPtr destroyContext;
392 NPDeviceCreateBufferPtr createBuffer;
393 NPDeviceDestroyBufferPtr destroyBuffer;
394 NPDeviceMapBufferPtr mapBuffer;
396 /* Experimental device API */
397 NPDeviceGetNumConfigsPtr getNumConfigs;
398 NPDeviceGetConfigAttribsPtr getConfigAttribs;
399 NPDeviceCreateContextPtr createContext;
400 /* NPDeviceDestroyContextPtr destroyContext; */
401 NPDeviceRegisterCallbackPtr registerCallback;
402 NPDeviceSynchronizeContextPtr synchronizeContext;
403 /* NPDeviceCreateBufferPtr createBuffer; */
404 /* NPDeviceDestroyBufferPtr destroyBuffer; */
405 /* NPDeviceMapBufferPtr mapBuffer; */
408 /* returns NULL if deviceID unavailable / unrecognized */
409 typedef NPDevice* (*NPAcquireDevicePtr)(
413 /* Updates the number of find results for the current search term. If
414 * there are no matches 0 should be passed in. Only when the plugin has
415 * finished searching should it pass in the final count with finalResult set to
417 typedef void (*NPNumberOfFindResultsChangedPtr)(
422 /* Updates the index of the currently selected search item. */
423 typedef void (*NPSelectedFindResultChangedPtr)(
427 /* Theming -----------------------------------------------------------------*/
428 typedef int32_t NPWidgetID;
431 NPWidgetTypeScrollbar = 0
434 typedef struct _NPScrollbarCreateParams {
436 } NPScrollbarCreateParams;
438 typedef struct _NPRect32
446 typedef struct _NPScrollbarTickMarks {
449 } NPScrollbarTickMarks;
452 NPWidgetPropertyLocation = 0, // variable is NPRect*.
453 NPWidgetPropertyDirtyRect = 1, // Get only. variable is NPRec*.
454 NPWidgetPropertyScrollbarThickness = 2, // Get only. variable is int32_t*.
455 NPWidgetPropertyScrollbarValue = 3, // variable is int32_t*.
456 NPWidgetPropertyScrollbarDocumentSize = 4, // Set only. variable is int32_t*.
457 // Set only. variable is NPScrollbarTickMarks*.
458 NPWidgetPropertyScrollbarTickMarks = 5,
459 // Set only. variable is bool* (true for forward, false for backward).
460 NPWidgetPropertyScrollbarScrollByLine = 6,
461 // Set only. variable is bool* (true for forward, false for backward).
462 NPWidgetPropertyScrollbarScrollByPage = 7,
463 // Set only. variable is bool* (true for forward, false for backward).
464 NPWidgetPropertyScrollbarScrollByDocument = 8,
465 // Set only. variable is int32_t* (positive forward, negative backward).
466 NPWidgetPropertyScrollbarScrollByPixels = 9
469 // Creates a widget. If it returns NPERR_NO_ERROR then id will contain a unique
470 // identifer for the widget that's used for the next functions.
471 typedef NPError (*NPCreateWidgetPtr) (
474 void* params, // Widget specific.
477 // Destroys a widget.
478 typedef NPError (*NPDestroyWidgetPtr) (
482 // Paint the dirty rectangle of the given widget into context.
483 typedef NPError (*NPPaintWidgetPtr) (
486 NPDeviceContext2D* context,
489 // Pass in a pepper event to a plugin. It'll return true iff it uses it.
490 typedef bool (*NPHandleWidgetEventPtr) (
493 NPPepperEvent* event);
495 // Gets a property of the widget. "value" varies depending on the variable.
496 typedef NPError (*NPGetWidgetPropertyPtr) (
499 NPWidgetProperty property,
502 // Sets a property of the widget.
503 typedef NPError (*NPSetWidgetPropertyPtr) (
506 NPWidgetProperty property,
509 typedef struct _NPWidgetExtensions {
510 NPCreateWidgetPtr createWidget;
511 NPDestroyWidgetPtr destroyWidget;
512 NPPaintWidgetPtr paintWidget;
513 NPHandleWidgetEventPtr handleWidgetEvent;
514 NPGetWidgetPropertyPtr getWidgetProperty;
515 NPSetWidgetPropertyPtr setWidgetProperty;
516 } NPWidgetExtensions;
518 typedef NPWidgetExtensions* (*NPGetWidgetExtensionsPtr)(
522 /* Supports opening files anywhere on the system after prompting the user to
525 * This API is asynchronous. It will return immediately and the user will be
526 * prompted in parallel to pick a file. The plugin may continue to receive
527 * events while the open file dialog is up, and may continue to paint. Plugins
528 * may want to ignore input events between the call and the callback to avoid
529 * reentrant behavior. If the return value is not NPERR_NO_ERROR, the callback
530 * will NOT be executed.
532 * It is an error to call BrowseForFile before a previous call has executed
535 * Setting the flags to "Open" requires that the file exist to allow picking.
536 * Setting the flags to "Save" allows selecting nonexistant files (which will
537 * then be created), and will prompt the user if they want to overwrite an
538 * existing file if it exists.
540 * The plugin may specify a comma-separated list of possible mime types in
541 * the "extensions" parameter. If no extensions are specified, the dialog box
542 * will default to allowing all extensions. The first extension in the list
543 * will be the default.
545 * TODO(brettw) On Windows the extensions traditionally include a text
546 * description with the extension in the popup, do we want to allow this?
547 * We should probably also allow the ability to put "All files" in the
550 * Once the user has picked a file or has canceled the dialog box, the given
551 * callback will be called with the results of the operation and the passed in
552 * "user data" pointer. If the user successfully picked a file, the filename
553 * will be non-NULL and will contain a pointer to an array of strings, one for
554 * each file picked (the first file will be file_paths[0]). This buffer will
555 * become invalid as soon as the call completes, so it is the plugin's
556 * responsibility to copy the filename(sp if it needs future access to them.
557 * A NULL file_paths in the callback means the user canceled the dialog box.
559 * The filename will be in UTF-8. It may not actually correspond to the actual
560 * file on disk on a Linux system, because we'll do our best to convert it from
561 * the filesystem's locale to UTF-8. Instead, the string will be appropriate for
562 * displaying to the user which file they picked.
565 NPChooseFile_Open = 1,
566 NPChooseFile_OpenMultiple = 2,
567 NPChooseFile_Save = 3
569 typedef void (*NPChooseFileCallback)(const char** filePaths,
572 typedef NPError (*NPChooseFilePtr)(
574 const char* mimeTypes,
575 NPChooseFileMode mode,
576 NPChooseFileCallback callback,
580 NPCursorTypePointer = 0,
581 NPCursorTypeCross = 1,
582 NPCursorTypeHand = 2,
583 NPCursorTypeIBeam = 3,
584 NPCursorTypeWait = 4,
585 NPCursorTypeHelp = 5,
586 NPCursorTypeEastResize = 6,
587 NPCursorTypeNorthResize = 7,
588 NPCursorTypeNorthEastResize = 8,
589 NPCursorTypeNorthWestResize = 9,
590 NPCursorTypeSouthResize = 10,
591 NPCursorTypeSouthEastResize = 11,
592 NPCursorTypeSouthWestResize = 12,
593 NPCursorTypeWestResize = 13,
594 NPCursorTypeNorthSouthResize = 14,
595 NPCursorTypeEastWestResize = 15,
596 NPCursorTypeNorthEastSouthWestResize = 16,
597 NPCursorTypeNorthWestSouthEastResize = 17,
598 NPCursorTypeColumnResize = 18,
599 NPCursorTypeRowResize = 19,
600 NPCursorTypeMiddlePanning = 20,
601 NPCursorTypeEastPanning = 21,
602 NPCursorTypeNorthPanning = 22,
603 NPCursorTypeNorthEastPanning = 23,
604 NPCursorTypeNorthWestPanning = 24,
605 NPCursorTypeSouthPanning = 25,
606 NPCursorTypeSouthEastPanning = 26,
607 NPCursorTypeSouthWestPanning = 27,
608 NPCursorTypeWestPanning = 28,
609 NPCursorTypeMove = 29,
610 NPCursorTypeVerticalText = 30,
611 NPCursorTypeCell = 31,
612 NPCursorTypeContextMenu = 32,
613 NPCursorTypeAlias = 33,
614 NPCursorTypeProgress = 34,
615 NPCursorTypeNoDrop = 35,
616 NPCursorTypeCopy = 36,
617 NPCursorTypeNone = 37,
618 NPCursorTypeNotAllowed = 38,
619 NPCursorTypeZoomIn = 39,
620 NPCursorTypeZoomOut = 40
623 // Temporary SetCursor API.
624 typedef NPError (*NPSetCursorPtr)(
628 /* unique id for each font */
629 typedef int NPFontID;
633 NPCharsetDefault = 1,
636 NPCharsetShiftJIS = 128,
637 NPCharsetHangul = 129,
638 NPCharsetJohab = 130,
639 NPCharsetGB2312 =134,
640 NPCharsetChineseBIG5 = 136,
641 NPCharsetGreek = 161,
642 NPCharsetTurkish = 162,
643 NPCharsetVietnamese = 163,
644 NPCharsetHebrew = 177,
645 NPCharsetArabic = 178,
646 NPCharsetBaltic = 186,
647 NPCharsetRussian = 204,
649 NPCharsetEastEurope = 238,
664 typedef struct _NPFontDescription {
673 // Return a font which best matches the given properties.
674 typedef NPError (*NPMatchFontWithFallbackPtr) (
676 const NPFontDescription* description,
679 // Loads a specified font table for the given font.
680 // table: the table in *big-endian* format, or 0 for the whole font file.
681 // output: a buffer of size output_length that gets the data. can be 0, in
682 // which case output_length will be set to the required size in bytes.
683 // output_length: size of output, if it's not 0.
684 typedef NPError (*GetFontTablePtr) (
689 size_t* output_length);
692 typedef NPError (*NPDestroyFontPtr) (
696 typedef struct _NPFontExtensions {
697 NPMatchFontWithFallbackPtr matchFontWithFallback;
698 GetFontTablePtr getFontTable;
699 NPDestroyFontPtr destroyFont;
702 typedef NPFontExtensions* (*NPGetFontExtensionsPtr)(
705 /* Pepper extensions */
706 struct NPNExtensions {
707 /* Device interface acquisition */
708 NPAcquireDevicePtr acquireDevice;
710 NPNumberOfFindResultsChangedPtr numberOfFindResultsChanged;
711 NPSelectedFindResultChangedPtr selectedFindResultChanged;
712 /* File I/O extensions */
713 NPChooseFilePtr chooseFile;
715 NPGetWidgetExtensionsPtr getWidgetExtensions;
717 NPSetCursorPtr setCursor;
719 NPGetFontExtensionsPtr getFontExtensions;
722 /* 3D -----------------------------------------------------------------------*/
724 #define NPPepper3DDevice 2
726 typedef struct _NPDeviceContext3DConfig {
727 int32_t commandBufferSize;
728 } NPDeviceContext3DConfig;
730 typedef enum _NPDeviceContext3DError {
731 // No error has ocurred.
732 NPDeviceContext3DError_NoError,
734 // The size of a command was invalid.
735 NPDeviceContext3DError_InvalidSize,
737 // An offset was out of bounds.
738 NPDeviceContext3DError_OutOfBounds,
740 // A command was not recognized.
741 NPDeviceContext3DError_UnknownCommand,
743 // The arguments to a command were invalid.
744 NPDeviceContext3DError_InvalidArguments,
746 // The 3D context was lost, for example due to a power management event. The
747 // context must be destroyed and a new one created.
748 NPDeviceContext3DError_LostContext,
751 NPDeviceContext3DError_GenericError
752 } NPDeviceContext3DError;
754 typedef struct _NPDeviceContext3D NPDeviceContext3D;
756 typedef void (*NPDeviceContext3DRepaintPtr)(NPP npp,
757 NPDeviceContext3D* context);
759 // TODO(apatrick): this need not be exposed when we switch over to the new
760 // device API. It's layout can also be implementation dependent.
761 typedef struct _NPDeviceContext3D
765 // If true, then a flush will only complete once the get offset has advanced
766 // on the GPU thread. If false, then the get offset might have changed but
767 // the GPU thread will respond as quickly as possible without guaranteeing
768 // having made any progress in executing pending commands. Set to true
769 // to ensure that progress is made or when flushing in a loop waiting for the
770 // GPU to reach a certain state, for example in advancing beyond a particular
771 // token. Set to false when flushing to query the current state, for example
772 // whether an error has occurred.
773 bool waitForProgress;
775 // Buffer in which commands are stored.
777 int32_t commandBufferSize;
779 // Offset in command buffer reader has reached. Synchronized on flush.
782 // Offset in command buffer writer has reached. Synchronized on flush.
785 // Last processed token. Synchronized on flush.
788 // Callback invoked on the main thread when the context must be repainted.
789 // TODO(apatrick): move this out of the context struct like the rest of the
791 NPDeviceContext3DRepaintPtr repaintCallback;
793 // Error status. Synchronized on flush.
794 NPDeviceContext3DError error;
798 /* Begin 3D specific portion of experimental device API */
800 /* Device buffer ID reserved for command buffer */
802 NP3DCommandBufferId = 0
807 /* Example GetConfigAttribs attributes. See EGL 1.4 spec. */
808 /* These may be passed to GetConfigAttribs. */
809 NP3DAttrib_BufferSize = 0x3020,
810 NP3DAttrib_AlphaSize = 0x3021,
811 NP3DAttrib_BlueSize = 0x3022,
812 NP3DAttrib_GreenSize = 0x3023,
813 NP3DAttrib_RedSize = 0x3024,
814 NP3DAttrib_DepthSize = 0x3025,
815 NP3DAttrib_StencilSize = 0x3026,
816 NP3DAttrib_SurfaceType = 0x3033,
818 /* Example CreateContext attributes. See EGL 1.4 spec. */
819 /* These may be passed to CreateContext. */
820 NP3DAttrib_SwapBehavior = 0x3093,
821 NP3DAttrib_MultisampleResolve = 0x3099,
823 /* Size of command buffer in 32-bit entries. */
824 /* This may be passed to CreateContext as an input or SynchronizeContext as */
826 NP3DAttrib_CommandBufferSize = 0x10000000,
828 /* These may be passed to SynchronizeContext. */
830 /* Offset in command buffer writer has reached. In / out.*/
831 NP3DAttrib_PutOffset,
833 /* Offset in command buffer reader has reached. Out only. */
834 NP3DAttrib_GetOffset,
836 /* Last processed token. Out only. */
842 /* This callback is invoked whenever the plugin must repaint everything. */
843 /* This might be because the window manager must repaint a window or */
844 /* the context has been lost, for example a power management event. */
845 NP3DCallback_Repaint = 1
848 /* Flags for NPConfig3DOutAttrib_SurfaceType */
850 NP3DSurfaceType_MultisampleResolveBox = 0x0200,
851 NP3DSurfaceType_SwapBehaviorPreserved = 0x0400
854 /* Values for NPConfig3DInAttrib_SwapBehavior */
856 NP3DSwapBehavior_Preserved = 0x3094,
857 NP3DSwapBehavior_Destroyed = 0x3095
860 /* Values for NPConfig3DInAttrib_MultisampleResolve */
862 NP3DMultisampleResolve_Default = 0x309A,
863 NP3DMultisampleResolve_Box = 0x309B
866 /* End 3D specific API */
868 /* Audio --------------------------------------------------------------------*/
870 #define NPPepperAudioDevice 3
872 /* min & max sample frame count */
874 NPAudioMinSampleFrameCount = 64,
875 NPAudioMaxSampleFrameCount = 32768
876 } NPAudioSampleFrameCounts;
878 /* supported sample rates */
880 NPAudioSampleRate44100Hz = 44100,
881 NPAudioSampleRate48000Hz = 48000,
882 NPAudioSampleRate96000Hz = 96000
883 } NPAudioSampleRates;
885 /* supported sample formats */
887 NPAudioSampleTypeInt16 = 0,
888 NPAudioSampleTypeFloat32 = 1
889 } NPAudioSampleTypes;
891 /* supported channel layouts */
892 /* there is code that depends on these being the actual number of channels */
894 NPAudioChannelNone = 0,
895 NPAudioChannelMono = 1,
896 NPAudioChannelStereo = 2,
897 NPAudioChannelThree = 3,
898 NPAudioChannelFour = 4,
899 NPAudioChannelFive = 5,
900 NPAudioChannelFiveOne = 6,
901 NPAudioChannelSeven = 7,
902 NPAudioChannelSevenOne = 8
905 /* audio context states */
907 NPAudioContextStateCallback = 0,
908 NPAudioContextStateUnderrunCounter = 1
909 } NPAudioContextStates;
911 /* audio context state values */
913 NPAudioCallbackStop = 0,
914 NPAudioCallbackStart = 1
915 } NPAudioContextStateValues;
917 /* audio query capabilities */
919 NPAudioCapabilitySampleRate = 0,
920 NPAudioCapabilitySampleType = 1,
921 NPAudioCapabilitySampleFrameCount = 2,
922 NPAudioCapabilitySampleFrameCount44100Hz = 3,
923 NPAudioCapabilitySampleFrameCount48000Hz = 4,
924 NPAudioCapabilitySampleFrameCount96000Hz = 5,
925 NPAudioCapabilityOutputChannelMap = 6,
926 NPAudioCapabilityInputChannelMap = 7
927 } NPAudioCapabilities;
929 typedef struct _NPDeviceContextAudio NPDeviceContextAudio;
931 /* user supplied callback function */
932 typedef void (*NPAudioCallback)(NPDeviceContextAudio *context);
934 typedef struct _NPDeviceContextAudioConfig {
937 int32_t outputChannelMap;
938 int32_t inputChannelMap;
939 int32_t sampleFrameCount;
940 uint32_t startThread;
942 NPAudioCallback callback;
944 } NPDeviceContextAudioConfig;
946 struct _NPDeviceContextAudio {
947 NPDeviceContextAudioConfig config;
953 /* Printing related APIs ---------------------------------------------------*/
955 /* Defines a contiguous range of pages to be printed. Page numbers use a
956 * zero-based index. */
957 typedef struct _NPPrintPageNumberRange {
958 int32_t firstPageNumber;
959 int32_t lastPageNumber;
960 } NPPrintPageNumberRange;
962 /* Being a print operation. Returns the total number of pages to print at the
963 * given printableArea size and DPI. printableArea is in points (a point is 1/72
964 * of an inch). The plugin is expected to remember the values of printableArea
965 * and printerDPI for use in subsequent print interface calls. These values
966 * should be cleared in printEnd. */
967 typedef NPError (*NPPPrintBeginPtr) (
969 NPRect* printableArea,
972 /* Returns the required raster dimensions for the given page. */
973 typedef NPError (*NPPGetRasterDimensionsPtr) (
976 int32_t* widthInPixels,
977 int32_t* heightInPixels);
978 /* Prints the specified page This allows the plugin to print a raster output. */
979 typedef NPError (*NPPPrintPageRasterPtr) (
982 NPDeviceContext2D* printSurface);
983 /* Ends the print operation */
984 typedef NPError (*NPPPrintEndPtr) (NPP instance);
985 /* Prints the specified pages as PDF. The plugin allocates the output buffer
986 * pointed to by pdf_output using the browser-supplied NPN_MemAlloc function.
987 * The caller is expected to free the output buffer upon success.*/
988 typedef NPError (*NPPrintPagesAsPDFPtr)(NPP instance,
989 NPPrintPageNumberRange* page_ranges,
990 int32_t page_range_count,
991 unsigned char** pdf_output,
992 int32_t* output_size);
995 /* TODO(sanjeevr) : Provide a vector interface for printing. We need to decide
996 * on a vector format that can support embedded fonts. A vector format will
997 * greatly reduce the size of the required output buffer. */
999 typedef struct _NPPPrintExtensions {
1000 NPPPrintBeginPtr printBegin;
1001 NPPGetRasterDimensionsPtr getRasterDimensions;
1002 NPPPrintPageRasterPtr printPageRaster;
1003 NPPPrintEndPtr printEnd;
1004 NPPrintPagesAsPDFPtr printPagesAsPDF;
1005 } NPPPrintExtensions;
1007 /* Returns NULL if the plugin does not support print extensions */
1008 typedef NPPPrintExtensions* (*NPPGetPrintExtensionsPtr)(NPP instance);
1010 /* Find ---------------------------------------------------------------------*/
1012 /* Finds the given UTF-8 text starting at the current selection. The number of
1013 * results will be updated asynchronously via numberOfFindResultsChanged. Note
1014 * that multiple StartFind calls can happen before StopFind is called in the
1015 * case of the search term changing. */
1016 typedef NPError (*NPPStartFindPtr) (
1019 bool caseSensitive);
1021 /* Go to the next/previous result. */
1022 typedef NPError (*NPPSelectFindResultPtr) (
1026 /* Tells the plugin that the find operation has stopped, so it should clear
1027 * any highlighting. */
1028 typedef NPError (*NPPStopFindPtr) (
1031 typedef struct _NPPFindExtensions {
1032 NPPStartFindPtr startFind;
1033 NPPSelectFindResultPtr selectFindResult;
1034 NPPStopFindPtr stopFind;
1035 } NPPFindExtensions;
1037 /* Returns NULL if the plugin does not support find extensions. */
1038 typedef NPPFindExtensions* (*NPPGetFindExtensionsPtr)(NPP instance);
1040 /* Zooms a plugin to the given factor. If text_only is true, then only the text
1041 * should be zoomed. */
1042 typedef NPError (*NPPZoomPtr) (
1047 typedef NPError (*NPPWidgetPropertyChangedPtr) (
1050 NPWidgetProperty property);
1052 /* type of selection */
1054 NPSelectionTypeAny = 0,
1055 NPSelectionTypePlainText = 1,
1056 NPSelectionTypeHTML = 2
1059 /* Gets the selection. NPERR_GENERIC_ERROR is returned if nothing is selected.
1060 * 'type' is both an input and output parameter. The caller can request a
1061 * specific type, and if the plugin can't provide it, it will return
1062 * NPERR_GENERIC_ERROR. Or the caller can specify NPSelectionTypeAny to let the
1063 * plugin pick the best format for the data. The result is returned in a buffer
1064 * that's owned by the caller and which is allocated using NPN_MemAlloc. If no
1065 * data is available, NPERR_GENERIC_ERROR is returned. */
1066 typedef NPError (*NPPGetSelectionPtr) (
1068 NPSelectionType* type,
1071 typedef struct _NPPExtensions {
1072 NPPGetPrintExtensionsPtr getPrintExtensions;
1073 NPPGetFindExtensionsPtr getFindExtensions;
1075 NPPWidgetPropertyChangedPtr widgetPropertyChanged;
1076 NPPGetSelectionPtr getSelection;
1079 #endif /* _NP_EXTENSIONS_H_ */