15821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Copyright (c) 2012 The Chromium Authors. All rights reserved. 25821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Use of this source code is governed by a BSD-style license that can be 35821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// found in the LICENSE file. 45821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 55821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#ifndef REMOTING_CLIENT_PLUGIN_PEPPER_INPUT_HANDLER_H_ 65821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#define REMOTING_CLIENT_PLUGIN_PEPPER_INPUT_HANDLER_H_ 75821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 85821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "base/compiler_specific.h" 958537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles)#include "base/memory/scoped_ptr.h" 1058537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles)#include "ppapi/cpp/mouse_lock.h" 1158537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles)#include "ppapi/cpp/point.h" 1258537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles)#include "ppapi/utility/completion_callback_factory.h" 135821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "remoting/protocol/input_stub.h" 145821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 155821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)namespace pp { 1658537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles)class ImageData; 175821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)class InputEvent; 1858537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles)class Instance; 195821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} // namespace pp 205821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 215821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)namespace remoting { 225821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 235821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)namespace protocol { 245821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)class InputStub; 255821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} // namespace protocol 265821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 2758537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles)class PepperInputHandler : public pp::MouseLock { 285821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) public: 2958537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) // |instance| must outlive |this|. 30cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) explicit PepperInputHandler(pp::Instance* instance); 315821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) virtual ~PepperInputHandler(); 325821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 33cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) void set_input_stub(protocol::InputStub* input_stub) { 34cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) input_stub_ = input_stub; 35cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) } 36cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) 375821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) bool HandleInputEvent(const pp::InputEvent& event); 385821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 3958537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) // Enables locking the mouse when the host sets a completely transparent mouse 4058537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) // cursor. 4158537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) void AllowMouseLock(); 4258537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) 4358537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) // Called when the plugin receives or loses focus. 4458537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) void DidChangeFocus(bool has_focus); 4558537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) 4658537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) // Sets the mouse cursor image. Passing NULL image will lock the mouse if 4758537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) // mouse lock is enabled. 4858537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) void SetMouseCursor(scoped_ptr<pp::ImageData> image, 4958537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) const pp::Point& hotspot); 5058537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) 51cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) // Enable or disable sending mouse input when the plugin does not have input 52cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) // focus. 53cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) void set_send_mouse_input_when_unfocused(bool send) { 54cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) send_mouse_input_when_unfocused_ = send; 55cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) } 56cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) 575821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) private: 5858537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) enum MouseLockState { 5958537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) MouseLockDisallowed, 6058537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) MouseLockOff, 6158537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) MouseLockRequestPending, 6258537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) MouseLockOn, 6358537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) MouseLockCancelling 6458537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) }; 6558537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) 6658537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) // pp::MouseLock interface. 6758537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) virtual void MouseLockLost() OVERRIDE; 6858537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) 6958537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) // Requests the browser to lock the mouse and hides the cursor. 7058537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) void RequestMouseLock(); 7158537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) 7258537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) // Requests the browser to cancel mouse lock and restores the cursor once 7358537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) // the lock is gone. 7458537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) void CancelMouseLock(); 7558537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) 7658537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) // Applies |cursor_image_| as the custom pointer or uses the standard arrow 7758537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) // pointer if |cursor_image_| is not available. 7858537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) void UpdateMouseCursor(); 7958537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) 8058537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) // Handles completion of the mouse lock request issued by RequestMouseLock(). 8158537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) void OnMouseLocked(int error); 8258537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) 8358537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) pp::Instance* instance_; 845821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) protocol::InputStub* input_stub_; 855821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 8658537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) pp::CompletionCallbackFactory<PepperInputHandler> callback_factory_; 8758537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) 8858537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) // Custom cursor image sent by the host. |cursor_image_| is set to NULL when 8958537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) // the cursor image is completely transparent. This can be interpreted as 9058537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) // a mouse lock request if enabled by the webapp. 9158537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) scoped_ptr<pp::ImageData> cursor_image_; 9258537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) 9358537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) // Hot spot for |cursor_image_|. 9458537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) pp::Point cursor_hotspot_; 9558537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) 9658537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) // True if the plugin has focus. 9758537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) bool has_focus_; 9858537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) 99cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) // True if the plugin should respond to mouse input even if it does not have 100cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) // keyboard focus. 101cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) bool send_mouse_input_when_unfocused_; 102cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) 10358537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) MouseLockState mouse_lock_state_; 10458537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) 105558790d6acca3451cf3a6b497803a5f07d0bec58Ben Murdoch // Accumulated sub-pixel and sub-tick deltas from wheel events. 1065821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) float wheel_delta_x_; 1075821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) float wheel_delta_y_; 108558790d6acca3451cf3a6b497803a5f07d0bec58Ben Murdoch float wheel_ticks_x_; 109558790d6acca3451cf3a6b497803a5f07d0bec58Ben Murdoch float wheel_ticks_y_; 1105821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1115821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) DISALLOW_COPY_AND_ASSIGN(PepperInputHandler); 1125821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)}; 1135821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1145821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} // namespace remoting 1155821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1165821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#endif // REMOTING_CLIENT_PLUGIN_PEPPER_INPUT_HANDLER_H_ 117