Loads CastEglPlatform implementation from shared library.

chromecast/ozone/surface_factory_cast.cc

-// Copyright 2015 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-#include "chromecast/ozone/surface_factory_cast.h"
-
-#include "base/callback_helpers.h"
-#include "chromecast/ozone/cast_egl_platform.h"
-#include "chromecast/ozone/surface_ozone_egl_cast.h"
-
-namespace chromecast {
-namespace ozone {
-
-SurfaceFactoryCast::SurfaceFactoryCast(scoped_ptr<CastEglPlatform> egl_platform)
-    : state_(kUninitialized),
-      destroy_window_pending_state_(kNoDestroyPending),
-      display_type_(0),
-      window_(0),
-      default_display_size_(egl_platform->GetDefaultDisplaySize()),
-      display_size_(default_display_size_),
-      new_display_size_(default_display_size_),
-      egl_platform_(egl_platform.Pass()) {
-}
-
-SurfaceFactoryCast::~SurfaceFactoryCast() {
-  DestroyDisplayTypeAndWindow();
-}
-
-void SurfaceFactoryCast::InitializeHardware() {
-  if (state_ == kInitialized) {
-    return;
-  }
-  CHECK_EQ(state_, kUninitialized);
-
-  if (egl_platform_->InitializeHardware()) {
-    state_ = kInitialized;
-  } else {
-    ShutdownHardware();
-    state_ = kFailed;
-  }
-}
-
-void SurfaceFactoryCast::ShutdownHardware() {
-  DestroyDisplayTypeAndWindow();
-
-  egl_platform_->ShutdownHardware();
-
-  state_ = kUninitialized;
-}
-
-intptr_t SurfaceFactoryCast::GetNativeDisplay() {
-  CreateDisplayTypeAndWindowIfNeeded();
-  return reinterpret_cast<intptr_t>(display_type_);
-}
-
-void SurfaceFactoryCast::CreateDisplayTypeAndWindowIfNeeded() {
-  if (state_ == kUninitialized) {
-    InitializeHardware();
-  }
-  if (new_display_size_ != display_size_) {
-    DestroyDisplayTypeAndWindow();
-    display_size_ = new_display_size_;
-  }
-  DCHECK_EQ(state_, kInitialized);
-  if (!display_type_) {
-    display_type_ = egl_platform_->CreateDisplayType(display_size_);
-    if (display_type_) {
-      window_ = egl_platform_->CreateWindow(display_type_, display_size_);
-      if (!window_) {
-        DestroyDisplayTypeAndWindow();
-        state_ = kFailed;
-        LOG(FATAL) << "Create EGLNativeWindowType(" << display_size_.ToString()
-                   << ") failed.";
-      }
-    } else {
-      state_ = kFailed;
-      LOG(FATAL) << "Create EGLNativeDisplayType(" << display_size_.ToString()
-                 << ") failed.";
-    }
-  }
-}
-
-intptr_t SurfaceFactoryCast::GetNativeWindow() {
-  CreateDisplayTypeAndWindowIfNeeded();
-  return window_;
-}
-
-bool SurfaceFactoryCast::ResizeDisplay(gfx::Size size) {
-  // set size to at least 1280x720 even if passed 1x1
-  size.SetToMax(default_display_size_);
-  if (display_type_ && size != display_size_) {
-    DestroyDisplayTypeAndWindow();
-  }
-  display_size_ = size;
-  return true;
-}
-
-void SurfaceFactoryCast::DestroyDisplayTypeAndWindow() {
-  if (window_) {
-    egl_platform_->DestroyWindow(window_);
-    window_ = 0;
-  }
-  if (display_type_) {
-    egl_platform_->DestroyDisplayType(display_type_);
-    display_type_ = 0;
-  }
-}
-
-scoped_ptr<ui::SurfaceOzoneEGL> SurfaceFactoryCast::CreateEGLSurfaceForWidget(
-    gfx::AcceleratedWidget widget) {
-  new_display_size_ = gfx::Size(widget >> 16, widget & 0xFFFF);
-  new_display_size_.SetToMax(default_display_size_);
-  destroy_window_pending_state_ = kSurfaceExists;
-  SendRelinquishResponse();
-  return make_scoped_ptr<ui::SurfaceOzoneEGL>(new SurfaceOzoneEglCast(this));
-}
-
-void SurfaceFactoryCast::SetToRelinquishDisplay(const base::Closure& callback) {
-  // This is called in response to a RelinquishDisplay message from the
-  // browser task. This call may come before or after the display surface
-  // is actually destroyed.
-  relinquish_display_callback_ = callback;
-  switch (destroy_window_pending_state_) {
-    case kNoDestroyPending:
-    case kSurfaceDestroyedRecently:
-      DestroyDisplayTypeAndWindow();
-      SendRelinquishResponse();
-      destroy_window_pending_state_ = kNoDestroyPending;
-      break;
-    case kSurfaceExists:
-      destroy_window_pending_state_ = kWindowDestroyPending;
-      break;
-    case kWindowDestroyPending:
-      break;
-    default:
-      NOTREACHED();
-  }
-}
-
-void SurfaceFactoryCast::ChildDestroyed() {
-  if (destroy_window_pending_state_ == kWindowDestroyPending) {
-    DestroyDisplayTypeAndWindow();
-    SendRelinquishResponse();
-    destroy_window_pending_state_ = kNoDestroyPending;
-  } else {
-    destroy_window_pending_state_ = kSurfaceDestroyedRecently;
-  }
-}
-
-void SurfaceFactoryCast::SendRelinquishResponse() {
-  if (!relinquish_display_callback_.is_null()) {
-    base::ResetAndReturn(&relinquish_display_callback_).Run();
-  }
-}
-
-const int32* SurfaceFactoryCast::GetEGLSurfaceProperties(
-    const int32* desired_list) {
-  return egl_platform_->GetEGLSurfaceProperties(desired_list);
-}
-
-bool SurfaceFactoryCast::LoadEGLGLES2Bindings(
-    AddGLLibraryCallback add_gl_library,
-    SetGLGetProcAddressProcCallback set_gl_get_proc_address) {
-  if (state_ != kInitialized) {
-    InitializeHardware();
-    if (state_ != kInitialized) {
-      return false;
-    }
-  }
-
-  return egl_platform_->LoadEGLGLES2Bindings(add_gl_library,
-                                             set_gl_get_proc_address);
-}
-
-}  // namespace ozone
-}  // namespace chromecast