Upstream more layers, decoration title, layer_title_cache

chrome/browser/android/compositor/layer_title_cache.cc

+// Copyright 2014 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 "chrome/browser/android/compositor/layer_title_cache.h"
+
+#include <android/bitmap.h>
+
+#include "base/memory/scoped_ptr.h"
+#include "cc/layers/layer.h"
+#include "cc/layers/ui_resource_layer.h"
+#include "chrome/browser/android/compositor/decoration_title.h"
+#include "jni/LayerTitleCache_jni.h"
+#include "ui/android/resources/resource_manager.h"
+#include "ui/gfx/android/java_bitmap.h"
+#include "ui/gfx/point_f.h"
+#include "ui/gfx/rect_f.h"
+#include "ui/gfx/size.h"
+
+namespace chrome {
+namespace android {
+
+// static
+LayerTitleCache* LayerTitleCache::FromJavaObject(jobject jobj) {
+  if (!jobj)
+    return NULL;
+  return reinterpret_cast<LayerTitleCache*>(Java_LayerTitleCache_getNativePtr(
+      base::android::AttachCurrentThread(), jobj));
+}
+
+LayerTitleCache::LayerTitleCache(JNIEnv* env,
+                                 jobject obj,
+                                 jint fade_width,
+                                 jint favicon_start_padding,
+                                 jint favicon_end_padding,
+                                 jint spinner_resource_id,
+                                 jint spinner_incognito_resource_id)
+    : weak_java_title_cache_(env, obj),
+      fade_width_(fade_width),
+      favicon_start_padding_(favicon_start_padding),
+      favicon_end_padding_(favicon_end_padding),
+      spinner_resource_id_(spinner_resource_id),
+      spinner_incognito_resource_id_(spinner_incognito_resource_id),
+      resource_manager_(nullptr) {
+}
+
+void LayerTitleCache::Destroy(JNIEnv* env, jobject obj) {
+  delete this;
+}
+
+void LayerTitleCache::UpdateLayer(JNIEnv* env,
+                                  jobject obj,
+                                  jint tab_id,
+                                  jint title_resource_id,
+                                  jint favicon_resource_id,
+                                  bool is_incognito,
+                                  bool is_rtl) {
+  DecorationTitle* title_layer = layer_cache_.Lookup(tab_id);
+  if (title_layer == NULL) {
+    layer_cache_.AddWithID(
+        new DecorationTitle(
+            this, resource_manager_, title_resource_id, favicon_resource_id,
+            spinner_resource_id_, spinner_incognito_resource_id_, fade_width_,
+            favicon_start_padding_, favicon_end_padding_, is_incognito, is_rtl),
+        tab_id);
+  } else {
+    if (title_resource_id != -1 && favicon_resource_id != -1) {
+      title_layer->Update(title_resource_id, favicon_resource_id, fade_width_,
+                          favicon_start_padding_, favicon_end_padding_,
+                          is_incognito, is_rtl);
+    } else {
+      layer_cache_.Remove(tab_id);
+    }
+  }
+}
+
+void LayerTitleCache::ClearExcept(JNIEnv* env, jobject obj, jint except_id) {
+  IDMap<DecorationTitle, IDMapOwnPointer>::iterator iter(&layer_cache_);
+  for (; !iter.IsAtEnd(); iter.Advance()) {
+    const int id = iter.GetCurrentKey();
+    if (id != except_id)
+      layer_cache_.Remove(id);
+  }
+}
+
+DecorationTitle* LayerTitleCache::GetTitleLayer(int tab_id) {
+  return layer_cache_.Lookup(tab_id);
+}
+
+void LayerTitleCache::SetResourceManager(
+    ui::ResourceManager* resource_manager) {
+  resource_manager_ = resource_manager;
+
+  IDMap<DecorationTitle, IDMapOwnPointer>::iterator iter(&layer_cache_);
+  for (; !iter.IsAtEnd(); iter.Advance()) {
+    iter.GetCurrentValue()->SetResourceManager(resource_manager_);
+  }
+}
+
+LayerTitleCache::~LayerTitleCache() {
+}
+
+bool RegisterLayerTitleCache(JNIEnv* env) {
+  return RegisterNativesImpl(env);
+}
+
+// ----------------------------------------------------------------------------
+// Native JNI methods
+// ----------------------------------------------------------------------------
+
+jlong Init(JNIEnv* env,
+           jobject obj,
+           jint fade_width,
+           jint favicon_start_padding,
+           jint favicon_end_padding,
+           jint spinner_resource_id,
+           jint spinner_incognito_resource_id) {
+  LayerTitleCache* cache = new LayerTitleCache(
+      env, obj, fade_width, favicon_start_padding, favicon_end_padding,
+      spinner_resource_id, spinner_incognito_resource_id);
+  return reinterpret_cast<intptr_t>(cache);
+}
+
+}  // namespace android
+}  // namespace chrome