src/mojo/services/native_viewport/native_viewport_android.cc

   1 // Copyright 2013 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "mojo/services/native_viewport/native_viewport_android.h"
   6
   7 #include <android/native_window_jni.h>
   8 #include "gpu/command_buffer/client/gl_in_process_context.h"
   9 #include "gpu/command_buffer/client/gles2_implementation.h"
  10 #include "mojo/services/native_viewport/android/mojo_viewport.h"
  11 #include "mojo/shell/context.h"
  12
  13 namespace mojo {
  14 namespace services {
  15
  16 NativeViewportAndroid::NativeViewportAndroid(NativeViewportDelegate* delegate)
  17     : delegate_(delegate),
  18       window_(NULL),
  19       weak_factory_(this) {
  20 }
  21
  22 NativeViewportAndroid::~NativeViewportAndroid() {
  23   if (window_)
  24     ReleaseWindow();
  25 }
  26
  27 void NativeViewportAndroid::OnNativeWindowCreated(ANativeWindow* window) {
  28   DCHECK(!window_);
  29   window_ = window;
  30
  31   gpu::GLInProcessContextAttribs attribs;
  32   gl_context_.reset(gpu::GLInProcessContext::CreateContext(
  33       false, window_, size_, false, attribs, gfx::PreferDiscreteGpu));
  34   gl_context_->SetContextLostCallback(base::Bind(
  35       &NativeViewportAndroid::OnGLContextLost, base::Unretained(this)));
  36
  37   delegate_->OnGLContextAvailable(gl_context_->GetImplementation());
  38 }
  39
  40 void NativeViewportAndroid::OnGLContextLost() {
  41   gl_context_.reset();
  42   delegate_->OnGLContextLost();
  43 }
  44
  45 void NativeViewportAndroid::OnNativeWindowDestroyed() {
  46   DCHECK(window_);
  47   ReleaseWindow();
  48 }
  49
  50 void NativeViewportAndroid::OnResized(const gfx::Size& size) {
  51   size_ = size;
  52   delegate_->OnResized(size);
  53 }
  54
  55 void NativeViewportAndroid::ReleaseWindow() {
  56   gl_context_.reset();
  57   ANativeWindow_release(window_);
  58   window_ = NULL;
  59 }
  60
  61 void NativeViewportAndroid::Close() {
  62   // TODO(beng): close activity containing MojoView?
  63
  64   // TODO(beng): perform this in response to view destruction.
  65   delegate_->OnDestroyed();
  66 }
  67
  68 // static
  69 scoped_ptr<NativeViewport> NativeViewport::Create(
  70     shell::Context* context,
  71     NativeViewportDelegate* delegate) {
  72   scoped_ptr<NativeViewportAndroid> native_viewport(
  73       new NativeViewportAndroid(delegate));
  74
  75   MojoViewportInit* init = new MojoViewportInit();
  76   init->ui_runner = context->task_runners()->ui_runner();
  77   init->native_viewport = native_viewport->GetWeakPtr();
  78
  79   context->task_runners()->java_runner()->PostTask(FROM_HERE,
  80       base::Bind(MojoViewport::CreateForActivity,
  81                  context->activity(),
  82                  init));
  83
  84    return scoped_ptr<NativeViewport>(native_viewport.Pass());
  85 }
  86
  87 }  // namespace services
  88 }  // namespace mojo