chrome/browser/android/compositor/layer_title_cache.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_title_cache.h"
   6
   7 #include <android/bitmap.h>
   8
   9 #include "base/memory/scoped_ptr.h"
  10 #include "cc/layers/layer.h"
  11 #include "cc/layers/ui_resource_layer.h"
  12 #include "chrome/browser/android/compositor/decoration_title.h"
  13 #include "jni/LayerTitleCache_jni.h"
  14 #include "ui/android/resources/resource_manager.h"
  15 #include "ui/gfx/android/java_bitmap.h"
  16 #include "ui/gfx/geometry/point_f.h"
  17 #include "ui/gfx/geometry/rect_f.h"
  18 #include "ui/gfx/geometry/size.h"
  19
  20 namespace chrome {
  21 namespace android {
  22
  23 // static
  24 LayerTitleCache* LayerTitleCache::FromJavaObject(jobject jobj) {
  25   if (!jobj)
  26     return NULL;
  27   return reinterpret_cast<LayerTitleCache*>(Java_LayerTitleCache_getNativePtr(
  28       base::android::AttachCurrentThread(), jobj));
  29 }
  30
  31 LayerTitleCache::LayerTitleCache(JNIEnv* env,
  32                                  jobject obj,
  33                                  jint fade_width,
  34                                  jint favicon_start_padding,
  35                                  jint favicon_end_padding,
  36                                  jint spinner_resource_id,
  37                                  jint spinner_incognito_resource_id)
  38     : weak_java_title_cache_(env, obj),
  39       fade_width_(fade_width),
  40       favicon_start_padding_(favicon_start_padding),
  41       favicon_end_padding_(favicon_end_padding),
  42       spinner_resource_id_(spinner_resource_id),
  43       spinner_incognito_resource_id_(spinner_incognito_resource_id),
  44       resource_manager_(nullptr) {
  45 }
  46
  47 void LayerTitleCache::Destroy(JNIEnv* env, jobject obj) {
  48   delete this;
  49 }
  50
  51 void LayerTitleCache::UpdateLayer(JNIEnv* env,
  52                                   jobject obj,
  53                                   jint tab_id,
  54                                   jint title_resource_id,
  55                                   jint favicon_resource_id,
  56                                   bool is_incognito,
  57                                   bool is_rtl) {
  58   DecorationTitle* title_layer = layer_cache_.Lookup(tab_id);
  59   if (title_layer == NULL) {
  60     layer_cache_.AddWithID(
  61         new DecorationTitle(
  62             this, resource_manager_, title_resource_id, favicon_resource_id,
  63             spinner_resource_id_, spinner_incognito_resource_id_, fade_width_,
  64             favicon_start_padding_, favicon_end_padding_, is_incognito, is_rtl),
  65         tab_id);
  66   } else {
  67     if (title_resource_id != -1 && favicon_resource_id != -1) {
  68       title_layer->PushPropertiesTo(title_resource_id, favicon_resource_id,
  69                                     fade_width_, favicon_start_padding_,
  70                                     favicon_end_padding_, is_incognito, is_rtl);
  71     } else {
  72       layer_cache_.Remove(tab_id);
  73     }
  74   }
  75 }
  76
  77 void LayerTitleCache::ClearExcept(JNIEnv* env, jobject obj, jint except_id) {
  78   IDMap<DecorationTitle, IDMapOwnPointer>::iterator iter(&layer_cache_);
  79   for (; !iter.IsAtEnd(); iter.Advance()) {
  80     const int id = iter.GetCurrentKey();
  81     if (id != except_id)
  82       layer_cache_.Remove(id);
  83   }
  84 }
  85
  86 DecorationTitle* LayerTitleCache::GetTitleLayer(int tab_id) {
  87   return layer_cache_.Lookup(tab_id);
  88 }
  89
  90 void LayerTitleCache::SetResourceManager(
  91     ui::ResourceManager* resource_manager) {
  92   resource_manager_ = resource_manager;
  93
  94   IDMap<DecorationTitle, IDMapOwnPointer>::iterator iter(&layer_cache_);
  95   for (; !iter.IsAtEnd(); iter.Advance()) {
  96     iter.GetCurrentValue()->SetResourceManager(resource_manager_);
  97   }
  98 }
  99
 100 LayerTitleCache::~LayerTitleCache() {
 101 }
 102
 103 bool RegisterLayerTitleCache(JNIEnv* env) {
 104   return RegisterNativesImpl(env);
 105 }
 106
 107 // ----------------------------------------------------------------------------
 108 // Native JNI methods
 109 // ----------------------------------------------------------------------------
 110
 111 jlong Init(JNIEnv* env,
 112            jobject obj,
 113            jint fade_width,
 114            jint favicon_start_padding,
 115            jint favicon_end_padding,
 116            jint spinner_resource_id,
 117            jint spinner_incognito_resource_id) {
 118   LayerTitleCache* cache = new LayerTitleCache(
 119       env, obj, fade_width, favicon_start_padding, favicon_end_padding,
 120       spinner_resource_id, spinner_incognito_resource_id);
 121   return reinterpret_cast<intptr_t>(cache);
 122 }
 123
 124 }  // namespace android
 125 }  // namespace chrome