Add BlimpView to a Chrome tab when Blimp is enabled.

blimp/client/core/contents/android/blimp_view.cc

+// Copyright 2016 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.
+
+#include "blimp/client/core/contents/android/blimp_view.h"
+
+#include "blimp/client/core/compositor/blimp_compositor_manager.h"
+#include "blimp/client/core/contents/blimp_contents_impl.h"
+#include "jni/BlimpView_jni.h"
+#include "ui/android/window_android.h"
+#include "ui/events/android/motion_event_android.h"
+
+namespace blimp {
+namespace client {
+
+// static
+bool BlimpView::RegisterJni(JNIEnv* env) {
+  return RegisterNativesImpl(env);
+}
+
+BlimpView::BlimpView(BlimpContentsImpl* blimp_contents_impl)
+    : blimp_contents_impl_(blimp_contents_impl) {
+  ui::WindowAndroid* window = blimp_contents_impl_->GetNativeWindow();
+
+  JNIEnv* env = base::android::AttachCurrentThread();
+  java_obj_.Reset(env,
+                  Java_BlimpView_create(env, reinterpret_cast<intptr_t>(this),
+                                        window->GetJavaObject())
+                      .obj());
+}
+
+BlimpView::~BlimpView() {
+  Java_BlimpView_clearNativePtr(base::android::AttachCurrentThread(),
+                                java_obj_);
+}
+
+base::android::ScopedJavaLocalRef<jobject> BlimpView::GetJavaObject() {
+  return base::android::ScopedJavaLocalRef<jobject>(java_obj_);
+}
+
+base::android::ScopedJavaLocalRef<jobject>
+BlimpView::CreateViewAndroidDelegate() {
+  return Java_BlimpView_createViewAndroidDelegate(
+      base::android::AttachCurrentThread(), java_obj_);
+}
+
+void BlimpView::OnSizeChanged(JNIEnv* env,
+                              const base::android::JavaParamRef<jobject>& jobj,
+                              jint width,
+                              jint height,
+                              jfloat device_scale_factor_dp_to_px) {
+  blimp_contents_impl_->SetSizeAndScale(gfx::Size(width, height),
+                                        device_scale_factor_dp_to_px);
+}
+
+jboolean BlimpView::OnTouchEvent(
+    JNIEnv* env,
+    const base::android::JavaParamRef<jobject>& obj,
+    const base::android::JavaParamRef<jobject>& motion_event,
+    jlong time_ms,
+    jint android_action,
+    jint pointer_count,
+    jint history_size,
+    jint action_index,
+    jfloat pos_x_0,
+    jfloat pos_y_0,
+    jfloat pos_x_1,
+    jfloat pos_y_1,
+    jint pointer_id_0,
+    jint pointer_id_1,
+    jfloat touch_major_0,
+    jfloat touch_major_1,
+    jfloat touch_minor_0,
+    jfloat touch_minor_1,
+    jfloat orientation_0,
+    jfloat orientation_1,
+    jfloat tilt_0,
+    jfloat tilt_1,
+    jfloat raw_pos_x,
+    jfloat raw_pos_y,
+    jint android_tool_type_0,
+    jint android_tool_type_1,
+    jint android_button_state,
+    jint android_meta_state,
+    jfloat device_scale_factor_dp_to_px) {
+  ui::MotionEventAndroid::Pointer pointer0(
+      pointer_id_0, pos_x_0, pos_y_0, touch_major_0, touch_minor_0,
+      orientation_0, tilt_0, android_tool_type_0);
+  ui::MotionEventAndroid::Pointer pointer1(
+      pointer_id_1, pos_x_1, pos_y_1, touch_major_1, touch_minor_1,
+      orientation_1, tilt_1, android_tool_type_1);
+  ui::MotionEventAndroid event(
+      1.f / device_scale_factor_dp_to_px, env, motion_event, time_ms,
+      android_action, pointer_count, history_size, action_index,
+      android_button_state, android_meta_state, raw_pos_x - pos_x_0,
+      raw_pos_y - pos_y_0, pointer0, pointer1);
+  return blimp_contents_impl_->compositor_manager()->OnTouchEvent(event);
+}
+
+}  // namespace client
+}  // namespace blimp