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Issue 488133003: Second batch of corrections for incorrect paths. (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: Fix more paths. Created 6 years, 4 months ago
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1 {{+bindTo:partials.standard_nacl_api}} 1 {{+bindTo:partials.standard_nacl_api}}
2 2
3 <section id="view-change-focus-and-input-events"> 3 <section id="view-change-focus-and-input-events">
4 <h1 id="view-change-focus-and-input-events">View Change, Focus, and Input Events </h1> 4 <h1 id="view-change-focus-and-input-events">View Change, Focus, and Input Events </h1>
5 <div class="contents local" id="contents" style="display: none"> 5 <div class="contents local" id="contents" style="display: none">
6 <ul class="small-gap"> 6 <ul class="small-gap">
7 <li><a class="reference internal" href="#overview" id="id2">Overview</a></li> 7 <li><a class="reference internal" href="#overview" id="id2">Overview</a></li>
8 <li><p class="first"><a class="reference internal" href="#handling-browser-event s" id="id3">Handling browser events</a></p> 8 <li><p class="first"><a class="reference internal" href="#handling-browser-event s" id="id3">Handling browser events</a></p>
9 <ul class="small-gap"> 9 <ul class="small-gap">
10 <li><a class="reference internal" href="#didchangeview" id="id4">DidChangeView() </a></li> 10 <li><a class="reference internal" href="#didchangeview" id="id4">DidChangeView() </a></li>
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21 </ul> 21 </ul>
22 22
23 </div><p>This chapter describes view change, focus, and input event handling for a 23 </div><p>This chapter describes view change, focus, and input event handling for a
24 Native Client module. The chapter assumes you are familiar with the 24 Native Client module. The chapter assumes you are familiar with the
25 material presented in the <a class="reference internal" href="/native-client/ove rview.html"><em>Technical Overview</em></a>.</p> 25 material presented in the <a class="reference internal" href="/native-client/ove rview.html"><em>Technical Overview</em></a>.</p>
26 <p>There are two examples used in this chapter to illustrate basic 26 <p>There are two examples used in this chapter to illustrate basic
27 programming techniques. The <code>input_events</code> example is used to 27 programming techniques. The <code>input_events</code> example is used to
28 illustrate how your module can react to keyboard and mouse input 28 illustrate how your module can react to keyboard and mouse input
29 event. The <code>mouse_lock</code> example is used to illustrate how your modul e 29 event. The <code>mouse_lock</code> example is used to illustrate how your modul e
30 can react to view change events. You can find these examples in the 30 can react to view change events. You can find these examples in the
31 <code>/examples/api/input_events</code> and <code>/examples/api/mouse_lock</code > 31 <code>/pepper_&lt;version&gt;/examples/api/input_event</code> and
32 directories in the Native Client SDK. There is also the 32 <code>/pepper_&lt;version&gt;/examples/api/mouse_lock</code> directories in the Native Client
33 ppapi_simple library that can be used to to implement most of the 33 SDK. There is also the ppapi_simple library that can be used to to implement
34 boiler plate. The <code>pi_generator</code> example in 34 most of the boiler plate. The <code>pi_generator</code> example in
35 <code>/examples/demo/pi_generator</code> uses ppapi_simple to manage view 35 <code>/pepper_&lt;version&gt;/examples/demo/pi_generator</code> uses ppapi_simpl e to manage
36 change events and 2D graphics.</p> 36 view change events and 2D graphics.</p>
37 <h2 id="overview">Overview</h2> 37 <h2 id="overview">Overview</h2>
38 <p>When a user interacts with the web page using a keyboard, mouse or some other 38 <p>When a user interacts with the web page using a keyboard, mouse or some other
39 input device, the browser generates input events. In a traditional web 39 input device, the browser generates input events. In a traditional web
40 application, these input events are passed to and handled in JavaScript, 40 application, these input events are passed to and handled in JavaScript,
41 typically through event listeners and event handlers. In a Native Client 41 typically through event listeners and event handlers. In a Native Client
42 application, user interaction with an instance of a module (e.g., clicking 42 application, user interaction with an instance of a module (e.g., clicking
43 inside the rectangle managed by a module) also generates input events, which 43 inside the rectangle managed by a module) also generates input events, which
44 are passed to the module. The browser also passes view change and focus events 44 are passed to the module. The browser also passes view change and focus events
45 that affect a module&#8217;s instance to the module. Native Client modules can 45 that affect a module&#8217;s instance to the module. Native Client modules can
46 override certain functions in the <a class="reference external" href="/native-cl ient/pepper_stable/cpp/classpp_1_1_instance">pp::Instance</a> class to handle in put 46 override certain functions in the <a class="reference external" href="/native-cl ient/pepper_stable/cpp/classpp_1_1_instance">pp::Instance</a> class to handle in put
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326 <h3 id="threading-and-blocking">Threading and blocking</h3> 326 <h3 id="threading-and-blocking">Threading and blocking</h3>
327 <p><code>HandleInputEvent()</code> in this example runs on the main module threa d. 327 <p><code>HandleInputEvent()</code> in this example runs on the main module threa d.
328 However, the bulk of the work happens on a separate worker thread (see 328 However, the bulk of the work happens on a separate worker thread (see
329 <code>ProcessEventOnWorkerThread</code>). <code>HandleInputEvent()</code> puts e vents in 329 <code>ProcessEventOnWorkerThread</code>). <code>HandleInputEvent()</code> puts e vents in
330 the <code>event_queue_</code> and the worker thread takes events from the 330 the <code>event_queue_</code> and the worker thread takes events from the
331 <code>event_queue_</code>. This processing happens independently of the main 331 <code>event_queue_</code>. This processing happens independently of the main
332 thread, so as not to slow down the browser.</p> 332 thread, so as not to slow down the browser.</p>
333 </section> 333 </section>
334 334
335 {{/partials.standard_nacl_api}} 335 {{/partials.standard_nacl_api}}
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