From 05b6b4d746867a9fb02e14edfe1bf3685abeb813 Mon Sep 17 00:00:00 2001
From: Derek Sollenberger <djsollen@google.com>
Date: Mon, 14 Mar 2011 11:20:24 -0400
Subject: Skia Merge (revision 922)

Change-Id: I7ed57d10905d8bad6486a4d7410165eec1cc2b4f
---
 include/views/SkEvent.h | 257 ------------------------------------------------
 1 file changed, 257 deletions(-)
 delete mode 100644 include/views/SkEvent.h

(limited to 'include/views/SkEvent.h')

diff --git a/include/views/SkEvent.h b/include/views/SkEvent.h
deleted file mode 100644
index f6719d6..0000000
--- a/include/views/SkEvent.h
+++ /dev/null
@@ -1,257 +0,0 @@
-/*
- * Copyright (C) 2006 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#ifndef SkEvent_DEFINED
-#define SkEvent_DEFINED
-
-#include "SkDOM.h"
-#include "SkMetaData.h"
-#include "SkString.h"
-
-/** Unique 32bit id used to identify an instance of SkEventSink. When events are
-    posted, they are posted to a specific sinkID. When it is time to dispatch the
-    event, the sinkID is used to find the specific SkEventSink object. If it is found,
-    its doEvent() method is called with the event.
-*/
-typedef uint32_t SkEventSinkID;
-
-/** \class SkEvent
-
-    SkEvents are used to communicate type-safe information to SkEventSinks.
-    SkEventSinks (including SkViews) each have a unique ID, which is stored
-    in an event. This ID is used to target the event once it has been "posted".
-*/
-class SkEvent {
-public:
-    /** Default construct, creating an empty event.
-    */
-    SkEvent();
-    /** Construct a new event with the specified type.
-    */
-    explicit SkEvent(const SkString& type);
-    /** Construct a new event with the specified type.
-    */
-    explicit SkEvent(const char type[]);
-    /** Construct a new event by copying the fields from the src event.
-    */
-    SkEvent(const SkEvent& src);
-    ~SkEvent();
-
-//  /** Return the event's type (will never be null) */
-//  const char* getType() const;
-    /** Copy the event's type into the specified SkString parameter */
-    void    getType(SkString* str) const;
-    /** Returns true if the event's type matches exactly the specified type (case sensitive) */
-    bool    isType(const SkString& str) const;
-    /** Returns true if the event's type matches exactly the specified type (case sensitive) */
-    bool    isType(const char type[], size_t len = 0) const;
-    /** Set the event's type to the specified string.
-        In XML, use the "type" attribute.
-    */
-    void    setType(const SkString&);
-    /** Set the event's type to the specified string.
-        In XML, use the "type" attribute.
-    */
-    void    setType(const char type[], size_t len = 0);
-
-    /** Return the event's unnamed 32bit field. Default value is 0 */
-    uint32_t getFast32() const { return f32; }
-    /** Set the event's unnamed 32bit field. In XML, use
-        the subelement <data fast32=... />
-    */
-    void    setFast32(uint32_t x) { f32 = x; }
-
-    /** Return true if the event contains the named 32bit field, and return the field
-        in value (if value is non-null). If there is no matching named field, return false
-        and ignore the value parameter.
-    */
-    bool    findS32(const char name[], int32_t* value = NULL) const { return fMeta.findS32(name, value); }
-    /** Return true if the event contains the named SkScalar field, and return the field
-        in value (if value is non-null). If there is no matching named field, return false
-        and ignore the value parameter.
-    */
-    bool    findScalar(const char name[], SkScalar* value = NULL) const { return fMeta.findScalar(name, value); }
-    /** Return true if the event contains the named SkScalar field, and return the fields
-        in value[] (if value is non-null), and return the number of SkScalars in count (if count is non-null).
-        If there is no matching named field, return false and ignore the value and count parameters.
-    */
-    const SkScalar* findScalars(const char name[], int* count, SkScalar values[] = NULL) const { return fMeta.findScalars(name, count, values); }
-    /** Return the value of the named string field, or if no matching named field exists, return null.
-    */
-    const char* findString(const char name[]) const { return fMeta.findString(name); }
-    /** Return true if the event contains the named pointer field, and return the field
-        in value (if value is non-null). If there is no matching named field, return false
-        and ignore the value parameter.
-    */
-    bool    findPtr(const char name[], void** value) const { return fMeta.findPtr(name, value); }
-    bool    findBool(const char name[], bool* value) const { return fMeta.findBool(name, value); }
-    const void* findData(const char name[], size_t* byteCount = NULL) const {
-        return fMeta.findData(name, byteCount);
-    }
-
-    /** Returns true if ethe event contains the named 32bit field, and if it equals the specified value */
-    bool    hasS32(const char name[], int32_t value) const { return fMeta.hasS32(name, value); }
-    /** Returns true if ethe event contains the named SkScalar field, and if it equals the specified value */
-    bool    hasScalar(const char name[], SkScalar value) const { return fMeta.hasScalar(name, value); }
-    /** Returns true if ethe event contains the named string field, and if it equals (using strcmp) the specified value */
-    bool    hasString(const char name[], const char value[]) const { return fMeta.hasString(name, value); }
-    /** Returns true if ethe event contains the named pointer field, and if it equals the specified value */
-    bool    hasPtr(const char name[], void* value) const { return fMeta.hasPtr(name, value); }
-    bool    hasBool(const char name[], bool value) const { return fMeta.hasBool(name, value); }
-    bool hasData(const char name[], const void* data, size_t byteCount) const {
-        return fMeta.hasData(name, data, byteCount);
-    }
-
-    /** Add/replace the named 32bit field to the event. In XML use the subelement <data name=... s32=... /> */
-    void    setS32(const char name[], int32_t value) { fMeta.setS32(name, value); }
-    /** Add/replace the named SkScalar field to the event. In XML use the subelement <data name=... scalar=... /> */
-    void    setScalar(const char name[], SkScalar value) { fMeta.setScalar(name, value); }
-    /** Add/replace the named SkScalar[] field to the event. */
-    SkScalar* setScalars(const char name[], int count, const SkScalar values[] = NULL) { return fMeta.setScalars(name, count, values); }
-    /** Add/replace the named string field to the event. In XML use the subelement <data name=... string=... */
-    void    setString(const char name[], const SkString& value) { fMeta.setString(name, value.c_str()); }
-    /** Add/replace the named string field to the event. In XML use the subelement <data name=... string=... */
-    void    setString(const char name[], const char value[]) { fMeta.setString(name, value); }
-    /** Add/replace the named pointer field to the event. There is no XML equivalent for this call */
-    void    setPtr(const char name[], void* value) { fMeta.setPtr(name, value); }
-    void    setBool(const char name[], bool value) { fMeta.setBool(name, value); }
-    void setData(const char name[], const void* data, size_t byteCount) {
-        fMeta.setData(name, data, byteCount);
-    }
-
-    /** Return the underlying metadata object */
-    SkMetaData&         getMetaData() { return fMeta; }
-    /** Return the underlying metadata object */
-    const SkMetaData&   getMetaData() const { return fMeta; }
-
-    void tron() { SkDEBUGCODE(fDebugTrace = true;) }
-    void troff() { SkDEBUGCODE(fDebugTrace = false;) }
-    bool isDebugTrace() const
-    {
-#ifdef SK_DEBUG
-        return fDebugTrace;
-#else
-        return false;
-#endif
-    }
-
-    /** Call this to initialize the event from the specified XML node */
-    void    inflate(const SkDOM&, const SkDOM::Node*);
-
-    SkDEBUGCODE(void dump(const char title[] = NULL);)
-
-    /** Post the specified event to the event queue, targeting the specified eventsink, with an optional
-        delay. The event must be dynamically allocated for this. It cannot be a global or on the stack.
-        After this call, ownership is transfered to the system, so the caller must not retain
-        the event's ptr. Returns false if the event could not be posted (which means it will have been deleted).
-    */
-    static bool Post(SkEvent* evt, SkEventSinkID targetID, SkMSec delay = 0);
-    /** Post the specified event to the event queue, targeting the specified eventsink, to be delivered on/after the
-        specified millisecond time. The event must be dynamically allocated for this. It cannot be a global or on the stack.
-        After this call, ownership is transfered to the system, so the caller must not retain
-        the event's ptr. Returns false if the event could not be posted (which means it will have been deleted).
-    */
-    static bool PostTime(SkEvent* evt, SkEventSinkID targetID, SkMSec time);
-
-    /** Helper method for calling SkEvent::PostTime(this, ...), where the caller specifies a delay.
-        The real "time" will be computed automatically by sampling the clock and adding its value
-        to delay.
-    */
-    bool post(SkEventSinkID sinkID, SkMSec delay = 0)
-    {
-        return SkEvent::Post(this, sinkID, delay);
-    }
-
-    void postTime(SkEventSinkID sinkID, SkMSec time)
-    {
-        SkEvent::PostTime(this, sinkID, time);
-    }
-
-    ///////////////////////////////////////////////
-    /** Porting layer must call these functions **/
-    ///////////////////////////////////////////////
-
-    /** Global initialization function for the SkEvent system. Should be called exactly
-        once before any other event method is called, and should be called after the
-        call to SkGraphics::Init().
-    */
-    static void     Init();
-    /** Global cleanup function for the SkEvent system. Should be called exactly once after
-        all event methods have been called, and should be called before calling SkGraphics::Term().
-    */
-    static void     Term();
-
-    /** Call this to process one event from the queue. If it returns true, there are more events
-        to process.
-    */
-    static bool     ProcessEvent();
-    /** Call this whenever the requested timer has expired (requested by a call to SetQueueTimer).
-        It will post any delayed events whose time as "expired" onto the event queue.
-        It may also call SignalQueueTimer() and SignalNonEmptyQueue().
-    */
-    static void     ServiceQueueTimer();
-
-    /** Return the number of queued events. note that this value may be obsolete
-        upon return, since another thread may have called ProcessEvent() or
-        Post() after the count was made.
-     */
-    static int CountEventsOnQueue();
-
-    ////////////////////////////////////////////////////
-    /** Porting layer must implement these functions **/
-    ////////////////////////////////////////////////////
-
-    /** Called whenever an SkEvent is posted to an empty queue, so that the OS
-        can be told to later call Dequeue().
-    */
-    static void SignalNonEmptyQueue();
-    /** Called whenever the delay until the next delayed event changes. If zero is
-        passed, then there are no more queued delay events.
-    */
-    static void SignalQueueTimer(SkMSec delay);
-
-#ifndef SK_USE_WXWIDGETS
-#ifdef SK_BUILD_FOR_WIN
-    static bool WndProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam);
-#elif defined(SK_BUILD_FOR_UNIXx)
-  static uint32_t HandleTimer(uint32_t, void*);
-  static bool WndProc(Display*, Window, XEvent&);
-#endif
-#else
-    // Don't know yet what this will be
-    //static bool CustomEvent();
-#endif
-
-private:
-    SkMetaData      fMeta;
-    mutable char*   fType;  // may be characters with low bit set to know that it is not a pointer
-    uint32_t        f32;
-    SkDEBUGCODE(bool fDebugTrace;)
-
-    // these are for our implementation of the event queue
-    SkEventSinkID   fTargetID;
-    SkMSec          fTime;
-    SkEvent*        fNextEvent; // either in the delay or normal event queue
-    void initialize(const char* type, size_t typeLen);
-
-    static bool Enqueue(SkEvent* evt);
-    static SkMSec EnqueueTime(SkEvent* evt, SkMSec time);
-    static SkEvent* Dequeue(SkEventSinkID* targetID);
-    static bool     QHasEvents();
-};
-
-#endif
-
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