92 lines
2.9 KiB
C++
92 lines
2.9 KiB
C++
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#include <cstdio>
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#include <cstdarg>
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#include <cstring>
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#include <string>
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#include "ppapi/cpp/instance.h"
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#include "ppapi/cpp/module.h"
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#include "ppapi/cpp/var.h"
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#include "types.h"
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int msgboxf(const wchar* text,unsigned int type,...)
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{
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va_list args;
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wchar temp[2048];
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va_start(args, type);
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vsprintf(temp, text, args);
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va_end(args);
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puts(temp);
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return 0;
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}
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namespace hello_world
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{
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class HelloWorldInstance : public pp::Instance {
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public:
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explicit HelloWorldInstance(PP_Instance instance) : pp::Instance(instance) {
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printf("HelloWorldInstance.\n");
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}
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virtual ~HelloWorldInstance() {}
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/// Called by the browser to handle the postMessage() call in Javascript.
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/// Detects which method is being called from the message contents, and
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/// calls the appropriate function. Posts the result back to the browser
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/// asynchronously.
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/// @param[in] var_message The message posted by the browser. The possible
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/// messages are 'fortyTwo' and 'reverseText:Hello World'. Note that
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/// the 'reverseText' form contains the string to reverse following a ':'
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/// separator.
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virtual void HandleMessage(const pp::Var& var_message);
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};
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void HelloWorldInstance::HandleMessage(const pp::Var& var_message) {
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if (!var_message.is_string()) {
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return;
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}
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pp::Var return_var;
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// Post the return result back to the browser. Note that HandleMessage() is
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// always called on the main thread, so it's OK to post the return message
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// directly from here. The return post is asynhronous: PostMessage returns
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// immediately.
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PostMessage(return_var);
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}
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/// The Module class. The browser calls the CreateInstance() method to create
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/// an instance of your NaCl module on the web page. The browser creates a new
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/// instance for each <embed> tag with
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/// <code>type="application/x-nacl"</code>.
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class HelloWorldModule : public pp::Module {
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public:
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HelloWorldModule() : pp::Module() {
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printf("Got here.\n");
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}
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virtual ~HelloWorldModule() {}
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/// Create and return a HelloWorldInstance object.
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/// @param[in] instance a handle to a plug-in instance.
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/// @return a newly created HelloWorldInstance.
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/// @note The browser is responsible for calling @a delete when done.
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virtual pp::Instance* CreateInstance(PP_Instance instance) {
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return new HelloWorldInstance(instance);
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}
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};
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} // namespace hello_world
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namespace pp {
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/// Factory function called by the browser when the module is first loaded.
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/// The browser keeps a singleton of this module. It calls the
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/// CreateInstance() method on the object you return to make instances. There
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/// is one instance per <embed> tag on the page. This is the main binding
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/// point for your NaCl module with the browser.
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/// @return new HelloWorldModule.
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/// @note The browser is responsible for deleting returned @a Module.
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Module* CreateModule() {
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return new hello_world::HelloWorldModule();
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}
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} // namespace pp
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