1 // Copyright 2013 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.
5 #ifndef UI_BASE_ANDROID_WINDOW_ANDROID_H_
6 #define UI_BASE_ANDROID_WINDOW_ANDROID_H_
10 #include "base/android/jni_weak_ref.h"
11 #include "base/android/scoped_java_ref.h"
12 #include "base/observer_list.h"
13 #include "base/time/time.h"
14 #include "ui/base/ui_base_export.h"
15 #include "ui/gfx/vector2d_f.h"
19 class WindowAndroidCompositor;
20 class WindowAndroidObserver;
22 // Android implementation of the activity window.
23 class UI_BASE_EXPORT WindowAndroid {
25 WindowAndroid(JNIEnv* env, jobject obj, jlong vsync_period);
27 void Destroy(JNIEnv* env, jobject obj);
29 base::android::ScopedJavaLocalRef<jobject> GetJavaObject();
31 static bool RegisterWindowAndroid(JNIEnv* env);
33 // The content offset is used to translate snapshots to the correct part of
35 void set_content_offset(const gfx::Vector2dF& content_offset) {
36 content_offset_ = content_offset;
39 bool GrabSnapshot(int content_x, int content_y, int width, int height,
40 std::vector<unsigned char>* png_representation);
42 // Compositor callback relay.
43 void OnCompositingDidCommit();
45 void AttachCompositor(WindowAndroidCompositor* compositor);
46 void DetachCompositor();
48 void AddObserver(WindowAndroidObserver* observer);
49 void RemoveObserver(WindowAndroidObserver* observer);
51 WindowAndroidCompositor* GetCompositor() { return compositor_; }
53 void RequestVSyncUpdate();
54 void OnVSync(JNIEnv* env, jobject obj, jlong time_micros);
59 JavaObjectWeakGlobalRef weak_java_window_;
60 gfx::Vector2dF content_offset_;
61 WindowAndroidCompositor* compositor_;
62 base::TimeDelta vsync_period_;
64 ObserverList<WindowAndroidObserver> observer_list_;
66 DISALLOW_COPY_AND_ASSIGN(WindowAndroid);
71 #endif // UI_BASE_ANDROID_WINDOW_ANDROID_H_