Context Menu Refactor

content/browser/renderer_host/select_action_mode.cc

+// Copyright (c) 2013 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 "content/browser/renderer_host/select_action_mode.h"
+
+#include <jni.h>
+
+#include "base/android/jni_android.h"
+#include "base/android/jni_string.h"
+#include "base/android/scoped_java_ref.h"
+#include "content/public/common/context_menu_params.h"
+#include "jni/SelectActionMode_jni.h"
+#include "ui/display/display.h"
+#include "ui/display/screen.h"
+#include "ui/gfx/geometry/rect_f.h"
+
+using base::android::AttachCurrentThread;
+
+float GetScaleFactor() {
+    return display::Screen::GetScreen()
+        ->GetPrimaryDisplay()
+        .device_scale_factor();
+}
+
+namespace content {
+
+bool RegisterSelectActionMode(JNIEnv* env) {
+     return RegisterNativesImpl(env);
+}
+
+SelectActionMode::SelectActionMode(const content::ContextMenuParams& params)
+    : dpi_scale_(GetScaleFactor()) {
+
+    jint left = static_cast<jint>(params.selection_start.x() * dpi_scale());
+    jint top = static_cast<jint>(params.selection_start.y() * dpi_scale());
+    jint right = static_cast<jint>(params.selection_end.x() * dpi_scale());
+    jint bottom = static_cast<jint>(params.selection_end.y() * dpi_scale());
+    jboolean is_empty = static_cast<jboolean>(params.selection_text.empty());
+    jboolean is_editable = static_cast<jboolean>(params.is_editable);
+    jboolean is_password = static_cast<jboolean>(
+        params.input_field_type ==
+            blink::WebContextMenuData::InputFieldTypePassword);
+
+    JNIEnv* env = AttachCurrentThread();
+    java_obj_.Reset(env, Java_SelectActionMode_create(
+        env, left, top, right, bottom, is_empty,
+          is_editable, is_password).obj());
+    DCHECK(!java_obj_.is_null());
+}
+
+SelectActionMode::~SelectActionMode() {
+    close();
+}
+
+void SelectActionMode::show() {
+    JNIEnv* env = AttachCurrentThread();
+    if (!java_obj_.is_null())
+        Java_SelectActionMode_show(env, java_obj_.obj());
+}
+
+void SelectActionMode::hide() {
+    JNIEnv* env = AttachCurrentThread();
+    if (!java_obj_.is_null())
+        Java_SelectActionMode_hide(env, java_obj_.obj());
+}
+
+void SelectActionMode::close() {
+    JNIEnv* env = AttachCurrentThread();
+    if (!java_obj_.is_null())
+        Java_SelectActionMode_close(env, java_obj_.obj());
+}
+
+void SelectActionMode::move(const gfx::RectF& selection_rect) {
+    gfx::RectF selection_rect_pix = gfx::ScaleRect(selection_rect, dpi_scale());
+    JNIEnv* env = AttachCurrentThread();
+
+    if (!java_obj_.is_null())
+      Java_SelectActionMode_move(
+          env, java_obj_.obj(), selection_rect_pix.x(), selection_rect_pix.y(),
+          selection_rect_pix.right(), selection_rect_pix.bottom());
+}
+
+} // namespace content