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// 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.
#ifndef CHROME_BROWSER_ANDROID_COMPOSITOR_LAYER_TITLE_CACHE_H_
#define CHROME_BROWSER_ANDROID_COMPOSITOR_LAYER_TITLE_CACHE_H_
#include <jni.h>
#include "base/android/jni_android.h"
#include "base/android/jni_weak_ref.h"
#include "base/bind.h"
#include "base/id_map.h"
#include "cc/resources/ui_resource_client.h"
#include "third_party/skia/include/core/SkBitmap.h"
#include "ui/gfx/geometry/size.h"
#include "ui/gfx/transform.h"
namespace cc {
class Layer;
class UIResourceLayer;
}
namespace ui {
class ResourceManager;
}
namespace chrome {
namespace android {
class DecorationTitle;
// A native component of the Java LayerTitleCache class. This class
// will build and maintain layers that represent the cached titles in
// the Java class.
class LayerTitleCache {
public:
static LayerTitleCache* FromJavaObject(jobject jobj);
LayerTitleCache(JNIEnv* env,
jobject jobj,
jint fade_width,
jint favicon_start_padding,
jint favicon_end_padding,
jint spinner_resource_id,
jint spinner_incognito_resource_id);
void Destroy(JNIEnv* env, jobject obj);
// Called from Java, updates a native cc::Layer based on the new texture
// information.
void UpdateLayer(JNIEnv* env,
jobject obj,
jint tab_id,
jint title_resource_id,
jint favicon_resource_id,
bool is_incognito,
bool is_rtl);
void ClearExcept(JNIEnv* env, jobject obj, jint except_id);
// Returns the layer that represents the title of tab of tab_id.
// Returns NULL if no layer can be found.
DecorationTitle* GetTitleLayer(int tab_id);
void SetResourceManager(ui::ResourceManager* resource_manager);
private:
virtual ~LayerTitleCache();
IDMap<DecorationTitle, IDMapOwnPointer> layer_cache_;
JavaObjectWeakGlobalRef weak_java_title_cache_;
int fade_width_;
int favicon_start_padding_;
int favicon_end_padding_;
int spinner_resource_id_;
int spinner_incognito_resource_id_;
ui::ResourceManager* resource_manager_;
DISALLOW_COPY_AND_ASSIGN(LayerTitleCache);
};
bool RegisterLayerTitleCache(JNIEnv* env);
} // namespace android
} // namespace chrome
#endif // CHROME_BROWSER_ANDROID_COMPOSITOR_LAYER_TITLE_CACHE_H_
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