1 /* libs/graphics/animator/SkDisplayEvents.cpp
2 **
3 ** Copyright 2006, The Android Open Source Project
4 **
5 ** Licensed under the Apache License, Version 2.0 (the "License");
6 ** you may not use this file except in compliance with the License.
7 ** You may obtain a copy of the License at
8 **
9 ** http://www.apache.org/licenses/LICENSE-2.0
10 **
11 ** Unless required by applicable law or agreed to in writing, software
12 ** distributed under the License is distributed on an "AS IS" BASIS,
13 ** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 ** See the License for the specific language governing permissions and
15 ** limitations under the License.
16 */
17
18 #include "SkDisplayEvents.h"
19 #include "SkAnimateMaker.h"
20 #include "SkAnimator.h"
21 #include "SkDisplayEvent.h"
22 #include "SkDisplayMovie.h"
23 #include "SkDrawable.h"
24 #ifdef SK_DEBUG
25 #include "SkDump.h"
26 #endif
27
SkEventState()28 SkEventState::SkEventState() : fCode(0), fDisable(false), fDisplayable(0), fX(0), fY(0) {
29 }
30
SkEvents()31 SkEvents::SkEvents() {
32 }
33
~SkEvents()34 SkEvents::~SkEvents() {
35 }
36
doEvent(SkAnimateMaker & maker,SkDisplayEvent::Kind kind,SkEventState * state)37 bool SkEvents::doEvent(SkAnimateMaker& maker, SkDisplayEvent::Kind kind, SkEventState* state) {
38 /*#ifdef SK_DUMP_ENABLED
39 if (maker.fDumpEvents) {
40 SkDebugf("doEvent: ");
41 SkString str;
42 SkDump::GetEnumString(SkType_EventKind, kind, &str);
43 SkDebugf("kind=%s ", str.c_str());
44 if (state && state->fDisplayable)
45 state->fDisplayable->SkDisplayable::dump(&maker);
46 else
47 SkDebugf("\n");
48 }
49 #endif*/
50 bool handled = false;
51 SkDisplayable** firstMovie = maker.fMovies.begin();
52 SkDisplayable** endMovie = maker.fMovies.end();
53 for (SkDisplayable** ptr = firstMovie; ptr < endMovie; ptr++) {
54 SkDisplayMovie* movie = (SkDisplayMovie*) *ptr;
55 if (kind != SkDisplayEvent::kOnload)
56 movie->doEvent(kind, state);
57 }
58 SkDisplayable* displayable = state ? state->fDisplayable : NULL;
59 int keyCode = state ? state->fCode : 0;
60 int count = fEvents.count();
61 for (int index = 0; index < count; index++) {
62 SkDisplayEvent* evt = fEvents[index];
63 if (evt->disable)
64 continue;
65 if (evt->kind != kind)
66 continue;
67 if (evt->code != (SkKey) -1) {
68 if ((int) evt->code > keyCode || (int) (evt->fMax != (SkKey) -1 ? evt->fMax : evt->code) < keyCode)
69 continue;
70 evt->fLastCode = (SkKey) keyCode;
71 }
72 if (evt->fTarget != NULL && evt->fTarget != displayable)
73 continue;
74 if (state == NULL || state->fDisable == 0) {
75 if (kind >= SkDisplayEvent::kMouseDown && kind <= SkDisplayEvent::kMouseUp) {
76 evt->x = state->fX;
77 evt->y = state->fY;
78 }
79 if (evt->enableEvent(maker))
80 fError = true;
81 }
82 handled = true;
83 }
84 return handled;
85 }
86
87 #ifdef SK_DUMP_ENABLED
dump(SkAnimateMaker & maker)88 void SkEvents::dump(SkAnimateMaker& maker) {
89 int index;
90 SkTDDrawableArray& drawArray = maker.fDisplayList.fDrawList;
91 int count = drawArray.count();
92 for (index = 0; index < count; index++) {
93 SkDrawable* drawable = drawArray[index];
94 drawable->dumpEvents();
95 }
96 count = fEvents.count();
97 for (index = 0; index < count; index++) {
98 SkDisplayEvent* evt = fEvents[index];
99 evt->dumpEvent(&maker);
100 }
101 }
102 #endif
103
104 // currently this only removes onLoad events
removeEvent(SkDisplayEvent::Kind kind,SkEventState * state)105 void SkEvents::removeEvent(SkDisplayEvent::Kind kind, SkEventState* state) {
106 int keyCode = state ? state->fCode : 0;
107 SkDisplayable* displayable = state ? state->fDisplayable : NULL;
108 for (SkDisplayEvent** evtPtr = fEvents.begin(); evtPtr < fEvents.end(); evtPtr++) {
109 SkDisplayEvent* evt = *evtPtr;
110 if (evt->kind != kind)
111 continue;
112 if (evt->code != (SkKey) -1) {
113 if ((int) evt->code > keyCode || (int) (evt->fMax != (SkKey) -1 ? evt->fMax : evt->code) < keyCode)
114 continue;
115 }
116 if (evt->fTarget != NULL && evt->fTarget != displayable)
117 continue;
118 int index = fEvents.find(evt);
119 fEvents.remove(index);
120 }
121 }
122