chrome/browser/android/compositor/layer/toolbar_layer.cc

   1 // Copyright 2014 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 "chrome/browser/android/compositor/layer/toolbar_layer.h"
   6
   7 #include "cc/layers/solid_color_layer.h"
   8 #include "cc/layers/ui_resource_layer.h"
   9 #include "content/public/browser/android/compositor.h"
  10 #include "third_party/skia/include/core/SkColor.h"
  11 #include "ui/android/resources/resource_manager.h"
  12 #include "ui/android/resources/ui_resource_android.h"
  13
  14 namespace chrome {
  15 namespace android {
  16
  17 // static
  18 scoped_refptr<ToolbarLayer> ToolbarLayer::Create() {
  19   return make_scoped_refptr(new ToolbarLayer());
  20 }
  21
  22 scoped_refptr<cc::Layer> ToolbarLayer::layer() {
  23   return layer_;
  24 }
  25
  26 void ToolbarLayer::PushResource(
  27     ui::ResourceManager::Resource* resource,
  28     bool anonymize,
  29     int toolbar_textbox_background_color,
  30     bool show_debug,
  31     float brightness) {
  32   DCHECK(resource);
  33
  34   // This layer effectively draws over the space it takes for shadows.  Set the
  35   // bounds to the non-shadow size so that other things can properly line up.
  36   layer_->SetBounds(resource->padding.size());
  37
  38   bitmap_layer_->SetUIResourceId(resource->ui_resource->id());
  39   bitmap_layer_->SetBounds(resource->size);
  40
  41   anonymize_layer_->SetHideLayerAndSubtree(!anonymize);
  42   if (anonymize) {
  43     anonymize_layer_->SetPosition(resource->aperture.origin());
  44     anonymize_layer_->SetBounds(resource->aperture.size());
  45     anonymize_layer_->SetBackgroundColor(toolbar_textbox_background_color);
  46   }
  47
  48   debug_layer_->SetBounds(resource->size);
  49   if (show_debug && !debug_layer_->parent())
  50     layer_->AddChild(debug_layer_);
  51   else if (!show_debug && debug_layer_->parent())
  52     debug_layer_->RemoveFromParent();
  53
  54   if (brightness != brightness_) {
  55     brightness_ = brightness;
  56     cc::FilterOperations filters;
  57     if (brightness_ < 1.f)
  58       filters.Append(cc::FilterOperation::CreateBrightnessFilter(brightness_));
  59     layer_->SetFilters(filters);
  60   }
  61 }
  62
  63 void ToolbarLayer::UpdateProgressBar(int progress_bar_x,
  64                                      int progress_bar_y,
  65                                      int progress_bar_width,
  66                                      int progress_bar_height,
  67                                      int progress_bar_color,
  68                                      int progress_bar_background_x,
  69                                      int progress_bar_background_y,
  70                                      int progress_bar_background_width,
  71                                      int progress_bar_background_height,
  72                                      int progress_bar_background_color) {
  73   bool is_progress_bar_background_visible = SkColorGetA(
  74       progress_bar_background_color);
  75   progress_bar_background_layer_->SetHideLayerAndSubtree(
  76       !is_progress_bar_background_visible);
  77   if (is_progress_bar_background_visible) {
  78     progress_bar_background_layer_->SetPosition(
  79         gfx::PointF(progress_bar_background_x, progress_bar_background_y));
  80     progress_bar_background_layer_->SetBounds(
  81         gfx::Size(progress_bar_background_width,
  82                   progress_bar_background_height));
  83     progress_bar_background_layer_->SetBackgroundColor(
  84         progress_bar_background_color);
  85   }
  86
  87   bool is_progress_bar_visible = SkColorGetA(progress_bar_background_color);
  88   progress_bar_layer_->SetHideLayerAndSubtree(!is_progress_bar_visible);
  89   if (is_progress_bar_visible) {
  90     progress_bar_layer_->SetPosition(
  91         gfx::PointF(progress_bar_x, progress_bar_y));
  92     progress_bar_layer_->SetBounds(
  93         gfx::Size(progress_bar_width, progress_bar_height));
  94     progress_bar_layer_->SetBackgroundColor(progress_bar_color);
  95   }
  96 }
  97
  98 ToolbarLayer::ToolbarLayer()
  99     : layer_(cc::Layer::Create(content::Compositor::LayerSettings())),
 100       bitmap_layer_(
 101           cc::UIResourceLayer::Create(content::Compositor::LayerSettings())),
 102       progress_bar_layer_(
 103           cc::SolidColorLayer::Create(content::Compositor::LayerSettings())),
 104       progress_bar_background_layer_(
 105           cc::SolidColorLayer::Create(content::Compositor::LayerSettings())),
 106       anonymize_layer_(
 107           cc::SolidColorLayer::Create(content::Compositor::LayerSettings())),
 108       debug_layer_(
 109           cc::SolidColorLayer::Create(content::Compositor::LayerSettings())),
 110       brightness_(1.f) {
 111   bitmap_layer_->SetIsDrawable(true);
 112   layer_->AddChild(bitmap_layer_);
 113
 114   progress_bar_background_layer_->SetIsDrawable(true);
 115   progress_bar_background_layer_->SetHideLayerAndSubtree(true);
 116   layer_->AddChild(progress_bar_background_layer_);
 117
 118   progress_bar_layer_->SetIsDrawable(true);
 119   progress_bar_layer_->SetHideLayerAndSubtree(true);
 120   layer_->AddChild(progress_bar_layer_);
 121
 122   anonymize_layer_->SetIsDrawable(true);
 123   anonymize_layer_->SetBackgroundColor(SK_ColorWHITE);
 124   layer_->AddChild(anonymize_layer_);
 125
 126   debug_layer_->SetIsDrawable(true);
 127   debug_layer_->SetBackgroundColor(SK_ColorGREEN);
 128   debug_layer_->SetOpacity(0.5f);
 129 }
 130
 131 ToolbarLayer::~ToolbarLayer() {
 132 }
 133
 134 }  //  namespace android
 135 }  //  namespace chrome