1 /*
2 * Copyright (C) 2010 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17 #define LOG_TAG "MediaLayer"
18 #define LOG_NDEBUG 1
19
20 #include "config.h"
21 #include "MediaLayer.h"
22
23 #include "AndroidLog.h"
24 #include "MediaTexture.h"
25 #include "TilesManager.h"
26
27 #if USE(ACCELERATED_COMPOSITING)
28
29 namespace WebCore {
30
MediaLayer(jobject webViewRef,jobject webViewCoreRef)31 MediaLayer::MediaLayer(jobject webViewRef, jobject webViewCoreRef) : LayerAndroid((RenderLayer*) NULL)
32 {
33 m_mediaTexture = new MediaTexture(webViewRef, webViewCoreRef);
34 m_mediaTexture->incStrong(this);
35
36 m_isCopy = false;
37 m_outlineSize = 0;
38 ALOGV("Creating Media Layer %p", this);
39 }
40
MediaLayer(const MediaLayer & layer)41 MediaLayer::MediaLayer(const MediaLayer& layer) : LayerAndroid(layer)
42 {
43 m_mediaTexture = layer.m_mediaTexture;
44 m_mediaTexture->incStrong(this);
45
46 m_isCopy = true;
47 m_outlineSize = layer.m_outlineSize;
48 ALOGV("Creating Media Layer Copy %p -> %p", &layer, this);
49 }
50
~MediaLayer()51 MediaLayer::~MediaLayer()
52 {
53 ALOGV("Deleting Media Layer");
54 m_mediaTexture->decStrong(this);
55 }
56
drawGL(bool layerTilesDisabled)57 bool MediaLayer::drawGL(bool layerTilesDisabled)
58 {
59 FloatRect clippingRect = TilesManager::instance()->shader()->rectInInvViewCoord(drawClip());
60 TilesManager::instance()->shader()->clip(clippingRect);
61
62 // when the plugin gains focus webkit applies an outline to the
63 // widget, which causes the layer to expand to accommodate the
64 // outline. Therefore, we shrink the rect by the outline's dimensions
65 // to ensure the plugin does not draw outside of its bounds.
66 SkRect mediaBounds;
67 mediaBounds.set(0, 0, getSize().width(), getSize().height());
68 mediaBounds.inset(m_outlineSize, m_outlineSize);
69
70 // check to see if we need to create a content or video texture
71 m_mediaTexture->initNativeWindowIfNeeded();
72
73 // the layer's shader draws the content inverted so we must undo
74 // that change in the transformation matrix
75 TransformationMatrix m = m_drawTransform;
76 if (!m_mediaTexture->isContentInverted()) {
77 m.flipY();
78 m.translate(0, -getSize().height());
79 }
80
81 // draw any content or video if present
82 m_mediaTexture->draw(m, m_drawTransform, mediaBounds);
83 return false;
84 }
85
acquireNativeWindowForContent()86 ANativeWindow* MediaLayer::acquireNativeWindowForContent()
87 {
88 return m_mediaTexture->getNativeWindowForContent();
89 }
90
91
acquireNativeWindowForVideo()92 ANativeWindow* MediaLayer::acquireNativeWindowForVideo()
93 {
94 return m_mediaTexture->requestNativeWindowForVideo();
95 }
96
setWindowDimensionsForVideo(const ANativeWindow * window,const SkRect & dimensions)97 void MediaLayer::setWindowDimensionsForVideo(const ANativeWindow* window, const SkRect& dimensions)
98 {
99 //TODO validate that the dimensions do not exceed the plugin's bounds
100 m_mediaTexture->setDimensions(window, dimensions);
101 }
102
releaseNativeWindowForVideo(ANativeWindow * window)103 void MediaLayer::releaseNativeWindowForVideo(ANativeWindow* window)
104 {
105 m_mediaTexture->releaseNativeWindow(window);
106 }
107
setFramerateCallback(const ANativeWindow * window,FramerateCallbackProc callback)108 void MediaLayer::setFramerateCallback(const ANativeWindow* window, FramerateCallbackProc callback)
109 {
110 m_mediaTexture->setFramerateCallback(window, callback);
111 }
112
113 } // namespace WebCore
114
115 #endif // USE(ACCELERATED_COMPOSITING)
116