[Android] Upstream scene layers

chrome/browser/android/compositor/scene_layer/static_tab_scene_layer.h

+// Copyright 2015 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.
+
+#ifndef CHROME_BROWSER_ANDROID_COMPOSITOR_SCENE_LAYER_STATIC_TAB_SCENE_LAYER_H_
+#define CHROME_BROWSER_ANDROID_COMPOSITOR_SCENE_LAYER_STATIC_TAB_SCENE_LAYER_H_
+
+#include <jni.h>
+
+#include "base/android/jni_weak_ref.h"
+#include "base/android/scoped_java_ref.h"
+#include "base/basictypes.h"
+#include "base/memory/ref_counted.h"
+#include "base/memory/scoped_ptr.h"
+#include "chrome/browser/android/compositor/scene_layer/scene_layer.h"
+#include "ui/gfx/geometry/point.h"
+#include "ui/gfx/geometry/point_f.h"
+#include "ui/gfx/geometry/size.h"
+#include "ui/gfx/geometry/size_f.h"
+
+namespace cc {
+class Layer;
+}
+
+namespace chrome {
+namespace android {
+
+class ContentLayer;
+
+// A SceneLayer to render a static tab.
+class StaticTabSceneLayer : public SceneLayer {
+ public:
+  StaticTabSceneLayer(JNIEnv* env, jobject jobj);
+  ~StaticTabSceneLayer() override;
+
+  bool ShouldShowBackground() override;
+  SkColor GetBackgroundColor() override;
+
+  // Update StaticTabSceneLayer with the new parameters.
+  void UpdateTabLayer(JNIEnv* env,
+                      jobject jobj,
+                      jfloat content_viewport_x,
+                      jfloat content_viewport_y,
+                      jfloat content_viewport_width,
+                      jfloat content_viewport_height,
+                      jobject jtab_content_manager,
+                      jint id,
+                      jint toolbar_resource_id,
+                      jboolean can_use_live_layer,
+                      jboolean can_use_ntp_fallback,
+                      jint default_background_color,
+                      jfloat x,
+                      jfloat y,
+                      jfloat width,
+                      jfloat height,
+                      jfloat content_offset_y,
+                      jfloat static_to_view_blend,
+                      jfloat saturation);
+
+  // Set the given |jscene_layer| as content of this SceneLayer, along with its
+  // own content.
+  void SetContentSceneLayer(JNIEnv* env, jobject jobj, jobject jscene_layer);
+
+ private:
+  scoped_refptr<chrome::android::ContentLayer> content_layer_;
+  scoped_refptr<cc::Layer> content_scene_layer_;
+
+  int last_set_tab_id_;
+  int background_color_;
+
+  DISALLOW_COPY_AND_ASSIGN(StaticTabSceneLayer);
+};
+
+bool RegisterStaticTabSceneLayer(JNIEnv* env);
+
+}  // namespace android
+}  // namespace chrome
+
+#endif  // CHROME_BROWSER_ANDROID_COMPOSITOR_SCENE_LAYER_STATIC_TAB_SCENE_LAYER_H_