可以通过编程方式制作窗口化或无窗口化插件（适用于Mac上的Safari）吗？ [英] Can a plugin(for safari on mac) be made windowed or windowless programmatically?

问题描述

我们正在为Mac上的Safari浏览器制作一个插件。

We are making a plugin for safari browser on mac.

通过Internet浏览后，我发现Mac上的插件通常没有窗口，但我想要一个窗口插件。即使在函数 NPP_SetWindow 中，我也尝试打印变量 type （类型为 NPWindowType ）的值，如下所示：

After browsing over internet, i found that generally plugins on mac are windowless but i want a windowed plugin. Even in function NPP_SetWindow i tried to print the value of variable type(which is of type NPWindowType) as following:

NPError NPP_SetWindow(NPP instance, NPWindow * pNPWindow)
{
...
printf("....: %d",pNPWindow->type);
...
}

它显示 2

It prints 2 i.e its value is NPWindowTypeDrawable means windowless.

此外，我在某处读取了以下代码：

Moreover, I read the following code somewhere:

NPError NPP_New(NPMIMEType pluginType,
        NPP instance, uint16 mode,
        int16 argc, char *argn[],
        char *argv[], NPSavedData *saved)
{
 ...
 NPError result = NPN_SetValue(instance, NPPVpluginWindowBool, (void*)false);
}

此处表示可以通过传递的值来使插件变为无窗口在 NPN_SetValue 函数调用中将> NPPVpluginWindowBool​​ 设置为 false 。
如果某个插件未进行此调用，则将其视为带窗口的插件。但是随后它又说 Mac OS X上的插件始终没有窗口。我还不确定。

Here it says that a plugin can be made windowless by passing value for NPPVpluginWindowBool as false in NPN_SetValue function call. If a plugin does not make this call, it is considered a windowed plugin. But then it also says that " Plug-ins on Mac OS X are always windowless ". I haven't been sured about this yet.

我的问题是，是否将 NPPVpluginWindowBool​​ 的 true 值传递给此处，以使插件窗口化？我尚未尝试过。

My question is, will passing true value for NPPVpluginWindowBool here make plugin windowed? I haven't tried it yet.

请提出如何以编程方式或其他方式使其成为窗口式插件的建议，以使 pNPWindow-> type （在第一个代码段中）还将打印1，即 NPWindowTypeWindow 表示窗口插件。

Please suggest how to make it a windowed plugin whether programmatically or any other way around so that pNPWindow->type(in first code snippet) would also print 1 i.e NPWindowTypeWindow means windowed plugin.

谢谢。

推荐答案

Mac上没有窗口式插件；

There are no windowed plugins on Mac; there were at one time, but there aren't anymore.

现在您只有绘图模型，并且有三个模型：

Now you just have drawing models, and there are three:

• CoreGraphics


• CoreAnimation


• InvalidatingCoreAnimation

前两个是可在Safari上运行的仅有的两个。在Mac上无法获取窗口对象。过去，您可以使用Quartz和QuickDraw，甚至可以使用Carbon和CoreGraphics，使用过几款黑客工具，但是这些模型现在已经不复存在了。

The first two are the only ones that work on Safari. There is no way to get a window object on Mac. There used to be a couple of hacks you could use with Quartz and QuickDraw, possibly also with Carbon and CoreGraphics, but those models are long gone now.

另请参见：

• https://developer.apple.com/library/safari/qa/qa1755/_index.html


• https://wiki.mozilla.org/NPAPI:CoreGraphicsDrawing


• http://www.firebreath.org/display/documentation/Event+models+and +绘图+模型


• 如何在可可事件模型NPAPI插件中获取NSView

• https://developer.apple.com/library/safari/qa/qa1755/_index.html
• https://wiki.mozilla.org/NPAPI:CoreGraphicsDrawing
• http://www.firebreath.org/display/documentation/Event+models+and+drawing+models
• How do I get an NSView in a cocoa event model NPAPI plugin

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