blimp/client/android/blimp_view.cc

   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 #include "blimp/client/android/blimp_view.h"
   6
   7 #include "blimp/client/compositor/blimp_compositor_android.h"
   8 #include "jni/BlimpView_jni.h"
   9 #include "ui/gfx/geometry/size.h"
  10
  11 namespace blimp {
  12
  13 // static
  14 static jlong Init(JNIEnv* env,
  15                   const JavaParamRef<jobject>& jobj,
  16                   jint real_width,
  17                   jint real_height,
  18                   jint width,
  19                   jint height,
  20                   jfloat dp_to_px) {
  21   return reinterpret_cast<intptr_t>(
  22       new BlimpView(env, jobj, gfx::Size(real_width, real_height),
  23                     gfx::Size(width, height), dp_to_px));
  24 }
  25
  26 // static
  27 bool BlimpView::RegisterJni(JNIEnv* env) {
  28   return RegisterNativesImpl(env);
  29 }
  30
  31 BlimpView::BlimpView(JNIEnv* env,
  32                      const JavaParamRef<jobject>& jobj,
  33                      const gfx::Size& real_size,
  34                      const gfx::Size& size,
  35                      float dp_to_px)
  36     : compositor_(BlimpCompositorAndroid::Create(real_size, size, dp_to_px)),
  37       current_surface_format_(0) {
  38   java_obj_.Reset(env, jobj);
  39 }
  40
  41 BlimpView::~BlimpView() {}
  42
  43 void BlimpView::Destroy(JNIEnv* env, jobject jobj) {
  44   delete this;
  45 }
  46
  47 void BlimpView::SetNeedsComposite(JNIEnv* env, jobject jobj) {}
  48
  49 void BlimpView::OnSurfaceChanged(JNIEnv* env,
  50                                  jobject jobj,
  51                                  jint format,
  52                                  jint width,
  53                                  jint height,
  54                                  jobject jsurface) {
  55   if (current_surface_format_ != format) {
  56     current_surface_format_ = format;
  57     compositor_->SetSurface(env, jsurface);
  58   }
  59
  60   compositor_->SetSize(gfx::Size(width, height));
  61 }
  62
  63 void BlimpView::OnSurfaceCreated(JNIEnv* env, jobject jobj) {
  64   current_surface_format_ = 0 /** PixelFormat.UNKNOWN */;
  65 }
  66
  67 void BlimpView::OnSurfaceDestroyed(JNIEnv* env, jobject jobj) {
  68   current_surface_format_ = 0 /** PixelFormat.UNKNOWN */;
  69   compositor_->SetSurface(env, 0 /** nullptr jobject */);
  70 }
  71
  72 void BlimpView::SetVisibility(JNIEnv* env, jobject jobj, jboolean visible) {
  73   compositor_->SetVisible(visible);
  74 }
  75
  76 }  // namespace blimp