1 /*
2 * Copyright 2009, The Android Open Source Project
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
6 * are met:
7 * * Redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer.
9 * * Redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution.
12 *
13 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ``AS IS'' AND ANY
14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
18 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
20 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
24 */
25
26 // must include config.h first for webkit to fiddle with new/delete
27 #include "config.h"
28 #include "SkANP.h"
29 #include "WebViewCore.h"
30 #include "PluginView.h"
31 #include "PluginWidgetAndroid.h"
32
33 #include "JavaSharedClient.h"
34
35 using namespace android;
36
37 struct WrappedANPEvent {
38 WebViewCore* fWVC;
39 PluginWidgetAndroid* fPWA;
40 ANPEvent fEvent;
41 };
42
43 /* Its possible we may be called after the plugin that initiated the event
44 has been torn-down. Thus we check that the assicated webviewcore and
45 pluginwidget are still active before dispatching the event.
46 */
send_anpevent(void * data)47 static void send_anpevent(void* data) {
48 WrappedANPEvent* wrapper = static_cast<WrappedANPEvent*>(data);
49 WebViewCore* core = wrapper->fWVC;
50 PluginWidgetAndroid* widget = wrapper->fPWA;
51
52 // be sure we're still alive before delivering the event
53 if (WebViewCore::isInstance(core) && core->isPlugin(widget)) {
54 widget->sendEvent(wrapper->fEvent);
55 }
56 delete wrapper;
57 }
58
anp_postEvent(NPP instance,const ANPEvent * event)59 static void anp_postEvent(NPP instance, const ANPEvent* event) {
60 if (instance && instance->ndata && event) {
61 PluginView* pluginView = static_cast<PluginView*>(instance->ndata);
62 PluginWidgetAndroid* pluginWidget = pluginView->platformPluginWidget();
63 WebViewCore* wvc = pluginWidget->webViewCore();
64
65 WrappedANPEvent* wrapper = new WrappedANPEvent;
66 // recored these, and recheck that they are valid before delivery
67 // in send_anpevent
68 wrapper->fWVC = pluginWidget->webViewCore();
69 wrapper->fPWA = pluginWidget;
70 // make a copy of the event
71 wrapper->fEvent = *event;
72 JavaSharedClient::EnqueueFunctionPtr(send_anpevent, wrapper);
73 }
74 }
75
76 ///////////////////////////////////////////////////////////////////////////////
77
78 #define ASSIGN(obj, name) (obj)->name = anp_##name
79
ANPEventInterfaceV0_Init(ANPInterface * value)80 void ANPEventInterfaceV0_Init(ANPInterface* value) {
81 ANPEventInterfaceV0* i = reinterpret_cast<ANPEventInterfaceV0*>(value);
82
83 ASSIGN(i, postEvent);
84 }
85