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Unified Diff: ui/base/cocoa/text_services_context_menu.cc

Issue 2164483006: [MacViews] Implemented text context menu (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: rebased Created 3 years, 10 months ago
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Index: ui/base/cocoa/text_services_context_menu.cc
diff --git a/ui/base/cocoa/text_services_context_menu.cc b/ui/base/cocoa/text_services_context_menu.cc
new file mode 100644
index 0000000000000000000000000000000000000000..1876b61e2937565b45b17d777fa47cc100181dea
--- /dev/null
+++ b/ui/base/cocoa/text_services_context_menu.cc
@@ -0,0 +1,152 @@
+// Copyright 2017 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 "ui/base/cocoa/text_services_context_menu.h"
+
+#include <utility>
+
+#include <ApplicationServices/ApplicationServices.h>
+#include <CoreAudio/CoreAudio.h>
+
+#include "base/mac/mac_logging.h"
+#include "base/strings/sys_string_conversions.h"
+#include "base/strings/utf_string_conversions.h"
+#include "ui/base/l10n/l10n_util.h"
+#include "ui/strings/grit/ui_strings.h"
+
+namespace {
+
+// The speech channel used for speaking. This is shared to check if a speech
+// channel is currently speaking.
+SpeechChannel g_speech_channel;
+
+// Returns the TextDirection associated associated with the given
+// BiDi |command_id|.
+base::i18n::TextDirection GetTextDirectionFromCommandId(int command_id) {
+ switch (command_id) {
+ case IDS_CONTENT_CONTEXT_WRITING_DIRECTION_DEFAULT:
+ return base::i18n::UNKNOWN_DIRECTION;
+ case IDS_CONTENT_CONTEXT_WRITING_DIRECTION_LTR:
+ return base::i18n::LEFT_TO_RIGHT;
+ case IDS_CONTENT_CONTEXT_WRITING_DIRECTION_RTL:
+ return base::i18n::RIGHT_TO_LEFT;
+ default:
+ NOTREACHED();
+ return base::i18n::UNKNOWN_DIRECTION;
+ }
+}
+
+} // namespace
+
+namespace ui {
+
+TextServicesContextMenu::TextServicesContextMenu(Delegate* delegate)
+ : speech_submenu_model_(this),
+ bidi_submenu_model_(this),
+ delegate_(delegate) {
+ DCHECK(delegate);
+
+ speech_submenu_model_.AddItemWithStringId(IDS_SPEECH_START_SPEAKING_MAC,
+ IDS_SPEECH_START_SPEAKING_MAC);
+ speech_submenu_model_.AddItemWithStringId(IDS_SPEECH_STOP_SPEAKING_MAC,
+ IDS_SPEECH_STOP_SPEAKING_MAC);
+
+ bidi_submenu_model_.AddCheckItemWithStringId(
+ IDS_CONTENT_CONTEXT_WRITING_DIRECTION_DEFAULT,
+ IDS_CONTENT_CONTEXT_WRITING_DIRECTION_DEFAULT);
+ bidi_submenu_model_.AddCheckItemWithStringId(
+ IDS_CONTENT_CONTEXT_WRITING_DIRECTION_LTR,
+ IDS_CONTENT_CONTEXT_WRITING_DIRECTION_LTR);
+ bidi_submenu_model_.AddCheckItemWithStringId(
+ IDS_CONTENT_CONTEXT_WRITING_DIRECTION_RTL,
+ IDS_CONTENT_CONTEXT_WRITING_DIRECTION_RTL);
+}
+
+void TextServicesContextMenu::SpeakText(const base::string16& text) {
+ if (IsSpeaking())
+ StopSpeaking();
+
+ if (!g_speech_channel) {
+ OSErr result = NewSpeechChannel(nullptr, &g_speech_channel);
+ OSSTATUS_DCHECK(result == noErr, result);
+ }
+
+ SpeakCFString(g_speech_channel, SysUTF16ToCFStringRef(text), nullptr);
+}
+
+void TextServicesContextMenu::StopSpeaking() {
+ DCHECK(g_speech_channel);
+ StopSpeechAt(g_speech_channel, kImmediate);
+ DisposeSpeechChannel(g_speech_channel);
+ g_speech_channel = nullptr;
+}
+
+bool TextServicesContextMenu::IsSpeaking() {
+ return SpeechBusy();
+}
+
+void TextServicesContextMenu::AppendToContextMenu(SimpleMenuModel* model) {
+ model->AddSeparator(NORMAL_SEPARATOR);
+ model->AddSubMenuWithStringId(IDS_SPEECH_MAC, IDS_SPEECH_MAC,
+ &speech_submenu_model_);
+}
+
+void TextServicesContextMenu::AppendEditableItems(SimpleMenuModel* model) {
+ model->AddSubMenuWithStringId(IDS_CONTENT_CONTEXT_WRITING_DIRECTION_MENU,
+ IDS_CONTENT_CONTEXT_WRITING_DIRECTION_MENU,
+ &bidi_submenu_model_);
+}
+
+bool TextServicesContextMenu::IsCommandIdChecked(int command_id) const {
+ switch (command_id) {
+ case IDS_CONTENT_CONTEXT_WRITING_DIRECTION_DEFAULT:
+ case IDS_CONTENT_CONTEXT_WRITING_DIRECTION_LTR:
+ case IDS_CONTENT_CONTEXT_WRITING_DIRECTION_RTL:
+ return delegate_->IsTextDirectionChecked(
+ GetTextDirectionFromCommandId(command_id));
+ case IDS_SPEECH_START_SPEAKING_MAC:
+ case IDS_SPEECH_STOP_SPEAKING_MAC:
+ return false;
+ }
+
+ NOTREACHED();
+ return false;
+}
+
+bool TextServicesContextMenu::IsCommandIdEnabled(int command_id) const {
+ switch (command_id) {
+ case IDS_CONTENT_CONTEXT_WRITING_DIRECTION_DEFAULT:
+ case IDS_CONTENT_CONTEXT_WRITING_DIRECTION_LTR:
+ case IDS_CONTENT_CONTEXT_WRITING_DIRECTION_RTL:
+ return delegate_->IsTextDirectionEnabled(
+ GetTextDirectionFromCommandId(command_id));
+ case IDS_SPEECH_START_SPEAKING_MAC:
+ return true;
+ case IDS_SPEECH_STOP_SPEAKING_MAC:
+ return IsSpeaking();
+ }
+
+ NOTREACHED();
+ return false;
+}
+
+void TextServicesContextMenu::ExecuteCommand(int command_id, int event_flags) {
+ switch (command_id) {
+ case IDS_SPEECH_START_SPEAKING_MAC:
+ SpeakText(delegate_->GetSelectedText());
+ break;
+ case IDS_SPEECH_STOP_SPEAKING_MAC:
+ StopSpeaking();
+ break;
+ case IDS_CONTENT_CONTEXT_WRITING_DIRECTION_DEFAULT:
+ case IDS_CONTENT_CONTEXT_WRITING_DIRECTION_LTR:
+ case IDS_CONTENT_CONTEXT_WRITING_DIRECTION_RTL:
+ delegate_->UpdateTextDirection(GetTextDirectionFromCommandId(command_id));
+ break;
+ default:
+ NOTREACHED();
+ }
+}
+
+} // namespace ui
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