blimp/client/android/blimp_view.h

   1 // Copyright 2015 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 #ifndef BLIMP_CLIENT_ANDROID_BLIMP_VIEW_H_
   6 #define BLIMP_CLIENT_ANDROID_BLIMP_VIEW_H_
   7
   8 #include "base/android/jni_android.h"
   9 #include "base/macros.h"
  10 #include "base/memory/scoped_ptr.h"
  11
  12 namespace gfx {
  13 class Size;
  14 }
  15
  16 namespace blimp {
  17
  18 class BlimpCompositorAndroid;
  19
  20 // The native component of org.chromium.blimp.BlimpView.  This builds and
  21 // maintains a BlimpCompositorAndroid and handles notifying the compositor of
  22 // SurfaceView surface changes (size, creation, destruction, etc.).
  23 class BlimpView {
  24  public:
  25   static bool RegisterJni(JNIEnv* env);
  26
  27   // |real_size| is the total display area including system decorations (see
  28   // android.view.Display.getRealSize()).  |size| is the total display
  29   // area not including system decorations (see android.view.Display.getSize()).
  30   // |dp_to_px| is the scale factor that is required to convert dp (device
  31   // pixels) to px.
  32   BlimpView(JNIEnv* env,
  33             jobject jobj,
  34             const gfx::Size& real_size,
  35             const gfx::Size& size,
  36             float dp_to_px);
  37
  38   // Methods called from Java via JNI.
  39   void Destroy(JNIEnv* env, jobject jobj);
  40   void SetNeedsComposite(JNIEnv* env, jobject jobj);
  41   void OnSurfaceChanged(JNIEnv* env,
  42                         jobject jobj,
  43                         jint format,
  44                         jint width,
  45                         jint height,
  46                         jobject jsurface);
  47   void OnSurfaceCreated(JNIEnv* env, jobject jobj);
  48   void OnSurfaceDestroyed(JNIEnv* env, jobject jobj);
  49   void SetVisibility(JNIEnv* env, jobject jobj, jboolean visible);
  50
  51  private:
  52   virtual ~BlimpView();
  53
  54   // Reference to the Java object which owns this class.
  55   base::android::ScopedJavaGlobalRef<jobject> java_obj_;
  56
  57   scoped_ptr<BlimpCompositorAndroid> compositor_;
  58
  59   // The format of the current surface owned by |compositor_|.  See
  60   // android.graphics.PixelFormat.java.
  61   int current_surface_format_;
  62
  63   DISALLOW_COPY_AND_ASSIGN(BlimpView);
  64 };
  65
  66 }  // namespace blimp
  67
  68 #endif  // BLIMP_CLIENT_ANDROID_BLIMP_VIEW_H_