chrome/browser/android/compositor/layer/contextual_search_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/contextual_search_layer.h"
   6
   7 #include "cc/layers/layer.h"
   8 #include "cc/layers/nine_patch_layer.h"
   9 #include "cc/layers/solid_color_layer.h"
  10 #include "cc/layers/ui_resource_layer.h"
  11 #include "content/public/browser/android/content_view_core.h"
  12 #include "third_party/skia/include/core/SkColor.h"
  13 #include "ui/android/resources/resource_manager.h"
  14 #include "ui/android/resources/ui_resource_android.h"
  15
  16 namespace {
  17
  18 const SkColor kContextualSearchBarBorderColor = SkColorSetRGB(0xf1, 0xf1, 0xf1);
  19
  20 }  // namespace
  21
  22 namespace chrome {
  23 namespace android {
  24
  25 // static
  26 scoped_refptr<ContextualSearchLayer> ContextualSearchLayer::Create(
  27     ui::ResourceManager* resource_manager) {
  28   return make_scoped_refptr(new ContextualSearchLayer(resource_manager));
  29 }
  30
  31 void ContextualSearchLayer::SetProperties(
  32     int search_bar_background_resource_id,
  33     int search_bar_text_resource_id,
  34     int search_provider_icon_resource_id,
  35     int search_icon_resource_id,
  36     int progress_bar_background_resource_id,
  37     int progress_bar_resource_id,
  38     content::ContentViewCore* content_view_core,
  39     float search_panel_y,
  40     float search_panel_width,
  41     float search_bar_margin_top,
  42     float search_bar_height,
  43     float search_bar_text_opacity,
  44     bool search_bar_border_visible,
  45     float search_bar_border_y,
  46     float search_bar_border_height,
  47     float search_provider_icon_opacity,
  48     float search_icon_padding_left,
  49     float search_icon_opacity,
  50     bool progress_bar_visible,
  51     float progress_bar_y,
  52     float progress_bar_height,
  53     float progress_bar_opacity,
  54     int progress_bar_completion) {
  55   // Grab the dynamic Search Bar Text resource.
  56   ui::ResourceManager::Resource* search_bar_text_resource =
  57       resource_manager_->GetResource(ui::ANDROID_RESOURCE_TYPE_DYNAMIC,
  58                                      search_bar_text_resource_id);
  59
  60   // Grab required static resources.
  61   ui::ResourceManager::Resource* search_bar_background_resource =
  62       resource_manager_->GetResource(ui::ANDROID_RESOURCE_TYPE_STATIC,
  63                                      search_bar_background_resource_id);
  64   ui::ResourceManager::Resource* search_provider_icon_resource =
  65       resource_manager_->GetResource(ui::ANDROID_RESOURCE_TYPE_STATIC,
  66                                      search_provider_icon_resource_id);
  67   ui::ResourceManager::Resource* search_icon_resource =
  68       resource_manager_->GetResource(ui::ANDROID_RESOURCE_TYPE_STATIC,
  69                                      search_icon_resource_id);
  70
  71   DCHECK(search_bar_background_resource);
  72   DCHECK(search_provider_icon_resource);
  73   DCHECK(search_icon_resource);
  74
  75   // Round values to avoid pixel gap between layers.
  76   search_bar_height = floor(search_bar_height);
  77   search_bar_margin_top = floor(search_bar_margin_top);
  78
  79   // ---------------------------------------------------------------------------
  80   // Search Bar Background
  81   // ---------------------------------------------------------------------------
  82   gfx::Size background_size(search_panel_width, search_bar_height);
  83   search_bar_background_->SetUIResourceId(
  84       search_bar_background_resource->ui_resource->id());
  85   search_bar_background_->SetBorder(
  86       search_bar_background_resource->Border(background_size));
  87   search_bar_background_->SetAperture(search_bar_background_resource->aperture);
  88   search_bar_background_->SetBounds(background_size);
  89
  90   // ---------------------------------------------------------------------------
  91   // Search Bar Text
  92   // ---------------------------------------------------------------------------
  93   if (search_bar_text_resource) {
  94     // Centralizes the text vertically in the Search Bar.
  95     float search_bar_padding_top =
  96         search_bar_margin_top +
  97         (search_bar_height - search_bar_margin_top) / 2 -
  98         search_bar_text_resource->size.height() / 2;
  99     search_bar_text_->SetUIResourceId(
 100         search_bar_text_resource->ui_resource->id());
 101     search_bar_text_->SetBounds(search_bar_text_resource->size);
 102     search_bar_text_->SetPosition(gfx::PointF(0.f, search_bar_padding_top));
 103     search_bar_text_->SetOpacity(search_bar_text_opacity);
 104   }
 105
 106   // ---------------------------------------------------------------------------
 107   // Search Provider Icon
 108   // ---------------------------------------------------------------------------
 109   // Centralizes the Search Provider Icon horizontally in the Search Bar.
 110   float search_provider_icon_left =
 111       search_panel_width / 2.f -
 112       search_provider_icon_resource->size.width() / 2.f;
 113   search_provider_icon_->SetUIResourceId(
 114       search_provider_icon_resource->ui_resource->id());
 115   search_provider_icon_->SetBounds(search_provider_icon_resource->size);
 116   search_provider_icon_->SetPosition(
 117       gfx::PointF(search_provider_icon_left, 0.f));
 118   search_provider_icon_->SetOpacity(search_provider_icon_opacity);
 119
 120   // ---------------------------------------------------------------------------
 121   // Search Icon
 122   // ---------------------------------------------------------------------------
 123   // Centralizes the Search Icon vertically in the Search Bar.
 124   float search_icon_padding_top =
 125       search_bar_margin_top + (search_bar_height - search_bar_margin_top) / 2 -
 126       search_icon_resource->size.height() / 2;
 127   search_icon_->SetUIResourceId(search_icon_resource->ui_resource->id());
 128   search_icon_->SetBounds(search_icon_resource->size);
 129   search_icon_->SetPosition(
 130       gfx::PointF(search_icon_padding_left, search_icon_padding_top));
 131   search_icon_->SetOpacity(search_icon_opacity);
 132
 133   // ---------------------------------------------------------------------------
 134   // Search Content View
 135   // ---------------------------------------------------------------------------
 136   content_view_container_->SetPosition(gfx::PointF(0.f, search_bar_height));
 137   if (content_view_core && content_view_core->GetLayer().get()) {
 138     scoped_refptr<cc::Layer> content_view_layer = content_view_core->GetLayer();
 139     if (content_view_layer->parent() != content_view_container_)
 140       content_view_container_->AddChild(content_view_layer);
 141   } else {
 142     content_view_container_->RemoveAllChildren();
 143   }
 144
 145   // ---------------------------------------------------------------------------
 146   // Search Panel.
 147   // ---------------------------------------------------------------------------
 148   layer_->SetPosition(gfx::PointF(0.f, search_panel_y));
 149
 150   // ---------------------------------------------------------------------------
 151   // Progress Bar
 152   // ---------------------------------------------------------------------------
 153   bool should_render_progress_bar =
 154       progress_bar_visible && progress_bar_opacity > 0.f;
 155   if (should_render_progress_bar) {
 156     // Load Progress Bar resources.
 157     ui::ResourceManager::Resource* progress_bar_background_resource =
 158         resource_manager_->GetResource(ui::ANDROID_RESOURCE_TYPE_STATIC,
 159                                        progress_bar_background_resource_id);
 160     ui::ResourceManager::Resource* progress_bar_resource =
 161         resource_manager_->GetResource(ui::ANDROID_RESOURCE_TYPE_STATIC,
 162                                        progress_bar_resource_id);
 163
 164     DCHECK(progress_bar_background_resource);
 165     DCHECK(progress_bar_resource);
 166
 167     // Progress Bar Background
 168     if (progress_bar_background_->parent() != layer_)
 169       layer_->AddChild(progress_bar_background_);
 170
 171     gfx::Size progress_bar_background_size(search_panel_width,
 172                                            progress_bar_height);
 173     progress_bar_background_->SetUIResourceId(
 174         progress_bar_background_resource->ui_resource->id());
 175     progress_bar_background_->SetBorder(
 176         progress_bar_background_resource->Border(progress_bar_background_size));
 177     progress_bar_background_->SetAperture(
 178         progress_bar_background_resource->aperture);
 179     progress_bar_background_->SetBounds(progress_bar_background_size);
 180     progress_bar_background_->SetPosition(gfx::PointF(0.f, progress_bar_y));
 181     progress_bar_background_->SetOpacity(progress_bar_opacity);
 182
 183     // Progress Bar
 184     if (progress_bar_->parent() != layer_)
 185       layer_->AddChild(progress_bar_);
 186
 187     float progress_bar_width =
 188         floor(search_panel_width * progress_bar_completion / 100.f);
 189     gfx::Size progress_bar_size(progress_bar_width, progress_bar_height);
 190     progress_bar_->SetUIResourceId(progress_bar_resource->ui_resource->id());
 191     progress_bar_->SetBorder(progress_bar_resource->Border(progress_bar_size));
 192     progress_bar_->SetAperture(progress_bar_resource->aperture);
 193     progress_bar_->SetBounds(progress_bar_size);
 194     progress_bar_->SetPosition(gfx::PointF(0.f, progress_bar_y));
 195     progress_bar_->SetOpacity(progress_bar_opacity);
 196   } else {
 197     // Removes Progress Bar and its Background from the Layer Tree.
 198     if (progress_bar_background_.get() && progress_bar_background_->parent())
 199       progress_bar_background_->RemoveFromParent();
 200
 201     if (progress_bar_.get() && progress_bar_->parent())
 202       progress_bar_->RemoveFromParent();
 203   }
 204
 205   // ---------------------------------------------------------------------------
 206   // Search Bar border.
 207   // ---------------------------------------------------------------------------
 208   if (!should_render_progress_bar && search_bar_border_visible) {
 209     gfx::Size search_bar_border_size(search_panel_width,
 210                                      search_bar_border_height);
 211     search_bar_border_->SetBounds(search_bar_border_size);
 212     search_bar_border_->SetPosition(gfx::PointF(0.f, search_bar_border_y));
 213     layer_->AddChild(search_bar_border_);
 214   } else if (search_bar_border_.get() && search_bar_border_->parent()) {
 215     search_bar_border_->RemoveFromParent();
 216   }
 217 }
 218
 219 ContextualSearchLayer::ContextualSearchLayer(
 220     ui::ResourceManager* resource_manager)
 221     : resource_manager_(resource_manager),
 222       layer_(cc::Layer::Create()),
 223       search_bar_background_(cc::NinePatchLayer::Create()),
 224       search_bar_text_(cc::UIResourceLayer::Create()),
 225       search_provider_icon_(cc::UIResourceLayer::Create()),
 226       search_icon_(cc::UIResourceLayer::Create()),
 227       content_view_container_(cc::Layer::Create()),
 228       search_bar_border_(cc::SolidColorLayer::Create()),
 229       progress_bar_(cc::NinePatchLayer::Create()),
 230       progress_bar_background_(cc::NinePatchLayer::Create()) {
 231   layer_->SetMasksToBounds(false);
 232   layer_->SetIsDrawable(true);
 233
 234   // Search Bar Background
 235   search_bar_background_->SetIsDrawable(true);
 236   search_bar_background_->SetFillCenter(true);
 237   layer_->AddChild(search_bar_background_);
 238
 239   // Search Bar Text
 240   search_bar_text_->SetIsDrawable(true);
 241   layer_->AddChild(search_bar_text_);
 242
 243   // Search Provider Icon
 244   search_provider_icon_->SetIsDrawable(true);
 245   layer_->AddChild(search_provider_icon_);
 246
 247   // Search Icon
 248   search_icon_->SetIsDrawable(true);
 249   layer_->AddChild(search_icon_);
 250
 251   // Search Bar Border
 252   search_bar_border_->SetIsDrawable(true);
 253   search_bar_border_->SetBackgroundColor(kContextualSearchBarBorderColor);
 254
 255   // Progress Bar Background
 256   progress_bar_background_->SetIsDrawable(true);
 257   progress_bar_background_->SetFillCenter(true);
 258
 259   // Progress Bar
 260   progress_bar_->SetIsDrawable(true);
 261   progress_bar_->SetFillCenter(true);
 262
 263   // Search Content View
 264   layer_->AddChild(content_view_container_);
 265 }
 266
 267 ContextualSearchLayer::~ContextualSearchLayer() {
 268 }
 269
 270 scoped_refptr<cc::Layer> ContextualSearchLayer::layer() {
 271   return layer_;
 272 }
 273
 274 }  //  namespace android
 275 }  //  namespace chrome