Part 10 of cc/ directory shuffles: layers

cc/nine_patch_layer.cc

-// Copyright 2012 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 "cc/nine_patch_layer.h"
-
-#include "cc/nine_patch_layer_impl.h"
-#include "cc/resources/prioritized_resource.h"
-#include "cc/resources/resource_update.h"
-#include "cc/resources/resource_update_queue.h"
-#include "cc/trees/layer_tree_host.h"
-
-namespace cc {
-
-scoped_refptr<NinePatchLayer> NinePatchLayer::Create() {
-  return make_scoped_refptr(new NinePatchLayer());
-}
-
-NinePatchLayer::NinePatchLayer()
-    : bitmap_dirty_(false) {}
-
-NinePatchLayer::~NinePatchLayer() {}
-
-scoped_ptr<LayerImpl> NinePatchLayer::CreateLayerImpl(
-    LayerTreeImpl* tree_impl) {
-  return NinePatchLayerImpl::Create(tree_impl, id()).PassAs<LayerImpl>();
-}
-
-void NinePatchLayer::SetTexturePriorities(
-    const PriorityCalculator& priority_calc) {
-  if (resource_ && !resource_->texture()->resourceManager()) {
-    // Release the resource here, as it is no longer tied to a resource manager.
-    resource_.reset();
-    if (!bitmap_.isNull())
-      CreateResource();
-  } else if (needs_display_ && bitmap_dirty_ && DrawsContent()) {
-    CreateResource();
-  }
-
-  if (resource_) {
-    resource_->texture()->setRequestPriority(
-        PriorityCalculator::UIPriority(true));
-    // FIXME: Need to support swizzle in the shader for
-    // !PlatformColor::sameComponentOrder(texture_format)
-    GLenum texture_format =
-        layer_tree_host()->GetRendererCapabilities().best_texture_format;
-    resource_->texture()->setDimensions(
-        gfx::Size(bitmap_.width(), bitmap_.height()), texture_format);
-  }
-}
-
-void NinePatchLayer::SetBitmap(const SkBitmap& bitmap, gfx::Rect aperture) {
-  bitmap_ = bitmap;
-  image_aperture_ = aperture;
-  bitmap_dirty_ = true;
-  SetNeedsDisplay();
-}
-
-void NinePatchLayer::Update(ResourceUpdateQueue* queue,
-                            const OcclusionTracker* occlusion,
-                            RenderingStats* stats) {
-  CreateUpdaterIfNeeded();
-
-  if (resource_ && (bitmap_dirty_ || resource_->texture()->resourceId() == 0)) {
-    gfx::Rect contentRect(gfx::Point(),
-                          gfx::Size(bitmap_.width(), bitmap_.height()));
-    ResourceUpdate upload = ResourceUpdate::Create(resource_->texture(),
-                                                   &bitmap_,
-                                                   contentRect,
-                                                   contentRect,
-                                                   gfx::Vector2d());
-    queue->appendFullUpload(upload);
-    bitmap_dirty_ = false;
-  }
-}
-
-void NinePatchLayer::CreateUpdaterIfNeeded() {
-  if (updater_)
-    return;
-
-  updater_ = ImageLayerUpdater::Create();
-}
-
-void NinePatchLayer::CreateResource() {
-  DCHECK(!bitmap_.isNull());
-  CreateUpdaterIfNeeded();
-  updater_->set_bitmap(bitmap_);
-  needs_display_ = false;
-
-  if (!resource_) {
-    resource_ = updater_->CreateResource(
-        layer_tree_host()->contents_texture_manager());
-  }
-}
-
-bool NinePatchLayer::DrawsContent() const {
-  bool draws = !bitmap_.isNull() &&
-               Layer::DrawsContent() &&
-               bitmap_.width() &&
-               bitmap_.height();
-  return draws;
-}
-
-void NinePatchLayer::PushPropertiesTo(LayerImpl* layer) {
-  Layer::PushPropertiesTo(layer);
-  NinePatchLayerImpl* layer_impl = static_cast<NinePatchLayerImpl*>(layer);
-
-  if (resource_) {
-    DCHECK(!bitmap_.isNull());
-    layer_impl->SetResourceId(resource_->texture()->resourceId());
-    layer_impl->SetLayout(
-        gfx::Size(bitmap_.width(), bitmap_.height()), image_aperture_);
-  }
-}
-
-}