1// Copyright (c) 2012 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 "content/browser/android/content_view_render_view.h"
6
7#include "base/android/jni_android.h"
8#include "base/android/jni_string.h"
9#include "base/android/scoped_java_ref.h"
10#include "base/bind.h"
11#include "base/lazy_instance.h"
12#include "base/memory/scoped_ptr.h"
13#include "base/message_loop/message_loop.h"
14#include "cc/layers/layer.h"
15#include "content/browser/android/content_view_core_impl.h"
16#include "content/public/browser/android/compositor.h"
17#include "content/public/browser/android/content_view_layer_renderer.h"
18#include "content/public/browser/android/layer_tree_build_helper.h"
19#include "content/public/browser/android/ui_resource_provider.h"
20#include "jni/ContentViewRenderView_jni.h"
21#include "ui/gfx/android/java_bitmap.h"
22#include "ui/gfx/size.h"
23
24#include <android/bitmap.h>
25#include <android/native_window_jni.h>
26
27using base::android::ScopedJavaLocalRef;
28
29namespace content {
30
31namespace {
32
33class LayerTreeBuildHelperImpl : public LayerTreeBuildHelper {
34 public:
35  LayerTreeBuildHelperImpl() {}
36  virtual ~LayerTreeBuildHelperImpl() {}
37
38  virtual scoped_refptr<cc::Layer> GetLayerTree(
39      scoped_refptr<cc::Layer> content_root_layer) OVERRIDE {
40    return content_root_layer;
41  }
42
43 private:
44  DISALLOW_COPY_AND_ASSIGN(LayerTreeBuildHelperImpl);
45};
46
47}  // anonymous namespace
48
49// static
50bool ContentViewRenderView::RegisterContentViewRenderView(JNIEnv* env) {
51  return RegisterNativesImpl(env);
52}
53
54ContentViewRenderView::ContentViewRenderView(JNIEnv* env,
55                                             jobject obj,
56                                             gfx::NativeWindow root_window)
57    : layer_tree_build_helper_(new LayerTreeBuildHelperImpl()),
58      root_window_(root_window),
59      current_surface_format_(0) {
60  java_obj_.Reset(env, obj);
61}
62
63ContentViewRenderView::~ContentViewRenderView() {
64}
65
66void ContentViewRenderView::SetLayerTreeBuildHelper(JNIEnv* env,
67                                                    jobject obj,
68                                                    jlong native_build_helper) {
69  CHECK(native_build_helper);
70
71  LayerTreeBuildHelper* build_helper =
72      reinterpret_cast<LayerTreeBuildHelper*>(native_build_helper);
73  layer_tree_build_helper_.reset(build_helper);
74  InitCompositor();
75}
76// static
77static jlong Init(JNIEnv* env,
78                  jobject obj,
79                  jlong native_root_window) {
80  gfx::NativeWindow root_window =
81      reinterpret_cast<gfx::NativeWindow>(native_root_window);
82  ContentViewRenderView* content_view_render_view =
83      new ContentViewRenderView(env, obj, root_window);
84  return reinterpret_cast<intptr_t>(content_view_render_view);
85}
86
87void ContentViewRenderView::Destroy(JNIEnv* env, jobject obj) {
88  delete this;
89}
90
91void ContentViewRenderView::SetCurrentContentViewCore(
92    JNIEnv* env, jobject obj, jlong native_content_view_core) {
93  InitCompositor();
94  ContentViewCoreImpl* content_view_core =
95      reinterpret_cast<ContentViewCoreImpl*>(native_content_view_core);
96  compositor_->SetRootLayer(content_view_core
97                                ? layer_tree_build_helper_->GetLayerTree(
98                                      content_view_core->GetLayer())
99                                : scoped_refptr<cc::Layer>());
100}
101
102void ContentViewRenderView::SurfaceCreated(
103    JNIEnv* env, jobject obj) {
104  current_surface_format_ = 0;
105  InitCompositor();
106}
107
108void ContentViewRenderView::SurfaceDestroyed(JNIEnv* env, jobject obj) {
109  compositor_->SetSurface(NULL);
110  current_surface_format_ = 0;
111}
112
113void ContentViewRenderView::SurfaceChanged(JNIEnv* env, jobject obj,
114    jint format, jint width, jint height, jobject surface) {
115  if (current_surface_format_ != format) {
116    current_surface_format_ = format;
117    compositor_->SetSurface(surface);
118  }
119  compositor_->SetWindowBounds(gfx::Size(width, height));
120}
121
122void ContentViewRenderView::SetOverlayVideoMode(
123    JNIEnv* env, jobject obj, bool enabled) {
124  compositor_->SetHasTransparentBackground(enabled);
125  SetNeedsComposite(env, obj);
126}
127
128void ContentViewRenderView::SetNeedsComposite(JNIEnv* env, jobject obj) {
129  if (compositor_)
130    compositor_->SetNeedsComposite();
131}
132
133void ContentViewRenderView::Layout() {
134  JNIEnv* env = base::android::AttachCurrentThread();
135  Java_ContentViewRenderView_onCompositorLayout(env, java_obj_.obj());
136}
137
138void ContentViewRenderView::OnSwapBuffersCompleted(int pending_swap_buffers) {
139  JNIEnv* env = base::android::AttachCurrentThread();
140  Java_ContentViewRenderView_onSwapBuffersCompleted(env, java_obj_.obj());
141}
142
143void ContentViewRenderView::InitCompositor() {
144  if (!compositor_)
145    compositor_.reset(Compositor::Create(this, root_window_));
146}
147
148jlong ContentViewRenderView::GetUIResourceProvider(JNIEnv* env,
149                                                   jobject obj) {
150  if (!compositor_)
151    return 0;
152  return reinterpret_cast<intptr_t>(&compositor_->GetUIResourceProvider());
153}
154}  // namespace content
155