src/mojo/services/native_viewport/native_viewport_controller.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_controller.h"
   6
   7 #include "base/message_loop/message_loop.h"
   8 #include "base/strings/stringprintf.h"
   9 #include "gpu/command_buffer/client/gles2_interface.h"
  10 #include "mojo/services/native_viewport/native_viewport.h"
  11 #include "ui/events/event.h"
  12
  13 namespace mojo {
  14 namespace services {
  15
  16 NativeViewportController::NativeViewportController(
  17     shell::Context* context, Handle pipe)
  18     : pipe_(pipe) {
  19   native_viewport_ = NativeViewport::Create(context, this);
  20 }
  21 NativeViewportController::~NativeViewportController() {
  22 }
  23
  24 void NativeViewportController::Close() {
  25   DCHECK(native_viewport_);
  26   native_viewport_->Close();
  27 }
  28
  29 bool NativeViewportController::OnEvent(ui::Event* event) {
  30   ui::LocatedEvent* located = static_cast<ui::LocatedEvent*>(event);
  31   SendString(base::StringPrintf("Event @ %d,%d",
  32                                 located->location().x(),
  33                                 located->location().y()));
  34   return false;
  35 }
  36
  37 void NativeViewportController::OnGLContextAvailable(
  38     gpu::gles2::GLES2Interface* gl) {
  39   // TODO(abarth): Instead of drawing green, we want to send the context over
  40   // pipe_ somehow.
  41   gl->ClearColor(0, 1, 0, 0);
  42   gl->Clear(GL_COLOR_BUFFER_BIT);
  43   gl->SwapBuffers();
  44 }
  45
  46 void NativeViewportController::OnGLContextLost() {
  47   SendString("GL context lost");
  48 }
  49
  50 void NativeViewportController::OnResized(const gfx::Size& size) {
  51   SendString(base::StringPrintf("Sized to: %d x %d",
  52                                 size.width(),
  53                                 size.height()));
  54 }
  55
  56 void NativeViewportController::OnDestroyed() {
  57   base::MessageLoop::current()->Quit();
  58 }
  59
  60 void NativeViewportController::SendString(const std::string& string) {
  61   WriteMessage(pipe_, string.c_str(), string.size()+1, NULL, 0,
  62                 MOJO_WRITE_MESSAGE_FLAG_NONE);
  63 }
  64
  65 }  // namespace services
  66 }  // namespace mojo